Historical US Dollar to Australian Dollar exchange rates for the full year 2021
| Date | Rate | Change |
|---|---|---|
| December 31, 2021 | 1.3787 | +0.204% |
| December 30, 2021 | 1.3759 | -0.549% |
| December 29, 2021 | 1.3835 | +0.472% |
| December 28, 2021 | 1.3770 | -0.692% |
| December 27, 2021 | 1.3866 | +0.304% |
| December 24, 2021 | 1.3824 | -0.029% |
| December 23, 2021 | 1.3828 | -0.832% |
| December 22, 2021 | 1.3944 | -0.570% |
| December 21, 2021 | 1.4024 | -0.292% |
| December 20, 2021 | 1.4065 | +0.759% |
| December 17, 2021 | 1.3959 | +0.700% |
| December 16, 2021 | 1.3862 | -0.964% |
| December 15, 2021 | 1.3997 | -0.235% |
| December 14, 2021 | 1.4030 | +0.179% |
| December 13, 2021 | 1.4005 | +0.143% |
| December 10, 2021 | 1.3985 | -0.136% |
| December 9, 2021 | 1.4004 | -0.114% |
| December 8, 2021 | 1.4020 | -0.348% |
| December 7, 2021 | 1.4069 | -0.964% |
| December 6, 2021 | 1.4206 | +0.254% |
| December 3, 2021 | 1.4170 | +0.575% |
| December 2, 2021 | 1.4089 | +0.578% |
| December 1, 2021 | 1.4008 | +0.122% |
| November 30, 2021 | 1.3991 | -0.036% |
| November 29, 2021 | 1.3996 | +0.050% |
| November 26, 2021 | 1.3989 | +0.467% |
| November 25, 2021 | 1.3924 | +0.346% |
| November 24, 2021 | 1.3876 | +0.267% |
| November 23, 2021 | 1.3839 | +0.486% |
| November 22, 2021 | 1.3772 | -0.376% |
| November 19, 2021 | 1.3824 | +0.663% |
| November 18, 2021 | 1.3733 | +0.124% |
| November 17, 2021 | 1.3716 | +0.661% |
| November 16, 2021 | 1.3626 | +0.361% |
| November 15, 2021 | 1.3577 | -0.934% |
| November 12, 2021 | 1.3705 | +0.044% |
| November 11, 2021 | 1.3699 | +0.869% |
| November 10, 2021 | 1.3581 | +0.518% |
| November 9, 2021 | 1.3511 | +0.148% |
| November 8, 2021 | 1.3491 | -0.347% |
| November 5, 2021 | 1.3538 | +0.386% |
| November 4, 2021 | 1.3486 | +0.260% |
| November 3, 2021 | 1.3451 | +0.403% |
| November 2, 2021 | 1.3397 | +0.722% |
| November 1, 2021 | 1.3301 | +0.219% |
| October 29, 2021 | 1.3272 | -0.158% |
| October 28, 2021 | 1.3293 | -0.098% |
| October 27, 2021 | 1.3306 | -0.038% |
| October 26, 2021 | 1.3311 | -0.389% |
| October 25, 2021 | 1.3363 | +0.202% |
| October 22, 2021 | 1.3336 | -0.060% |
| October 21, 2021 | 1.3344 | -0.120% |
| October 20, 2021 | 1.3360 | -0.194% |
| October 19, 2021 | 1.3386 | -1.108% |
| October 18, 2021 | 1.3536 | +0.415% |
| October 15, 2021 | 1.3480 | -0.030% |
| October 14, 2021 | 1.3484 | -0.838% |
| October 13, 2021 | 1.3598 | +0.332% |
| October 12, 2021 | 1.3553 | -0.411% |
| October 11, 2021 | 1.3609 | -0.584% |
| October 8, 2021 | 1.3689 | -0.073% |
| October 7, 2021 | 1.3699 | -0.638% |
| October 6, 2021 | 1.3787 | +0.371% |
| October 5, 2021 | 1.3736 | +0.168% |
| October 4, 2021 | 1.3713 | -0.486% |
| October 1, 2021 | 1.3780 | -0.863% |
| September 30, 2021 | 1.3900 | +0.542% |
| September 29, 2021 | 1.3825 | +0.188% |
| September 28, 2021 | 1.3799 | +0.080% |
| September 27, 2021 | 1.3788 | -0.043% |
| September 24, 2021 | 1.3794 | +0.305% |
| September 23, 2021 | 1.3752 | -0.297% |
| September 22, 2021 | 1.3793 | -0.058% |
| September 21, 2021 | 1.3801 | -0.239% |
| September 20, 2021 | 1.3834 | +1.148% |
| September 17, 2021 | 1.3677 | +0.073% |
| September 16, 2021 | 1.3667 | +0.044% |
| September 15, 2021 | 1.3661 | +0.154% |
| September 14, 2021 | 1.3640 | +0.331% |
| September 13, 2021 | 1.3595 | +0.696% |
| September 10, 2021 | 1.3501 | -0.325% |
| September 9, 2021 | 1.3545 | -0.044% |
| September 8, 2021 | 1.3551 | +0.170% |
| September 7, 2021 | 1.3528 | +0.610% |
| September 6, 2021 | 1.3446 | +0.015% |
| September 3, 2021 | 1.3444 | -0.702% |
| September 2, 2021 | 1.3539 | -0.551% |
| September 1, 2021 | 1.3614 | -0.278% |
| August 31, 2021 | 1.3652 | -0.350% |
| August 30, 2021 | 1.3700 | -0.660% |
| August 27, 2021 | 1.3791 | +0.138% |
| August 26, 2021 | 1.3772 | -0.174% |
| August 25, 2021 | 1.3796 | -0.043% |
| August 24, 2021 | 1.3802 | -0.848% |
| August 23, 2021 | 1.3920 | -0.777% |
| August 20, 2021 | 1.4029 | +0.545% |
| August 19, 2021 | 1.3953 | +1.160% |
| August 18, 2021 | 1.3793 | +0.569% |
| August 17, 2021 | 1.3715 | +0.535% |
| August 16, 2021 | 1.3642 | +0.272% |
| August 13, 2021 | 1.3605 | +0.051% |
| August 12, 2021 | 1.3598 | -0.147% |
| August 11, 2021 | 1.3618 | -0.015% |
| August 10, 2021 | 1.3620 | +0.103% |
| August 9, 2021 | 1.3606 | +0.606% |
| August 6, 2021 | 1.3524 | +0.222% |
| August 5, 2021 | 1.3494 | +0.022% |
| August 4, 2021 | 1.3491 | -0.325% |
| August 3, 2021 | 1.3535 | -0.331% |
| August 2, 2021 | 1.3580 | +0.096% |
| July 30, 2021 | 1.3567 | +0.288% |
| July 29, 2021 | 1.3528 | -0.675% |
| July 28, 2021 | 1.3620 | +0.354% |
| July 27, 2021 | 1.3572 | -0.081% |
| July 26, 2021 | 1.3583 | +0.244% |
| July 23, 2021 | 1.3550 | -0.022% |
| July 22, 2021 | 1.3553 | -0.834% |
| July 21, 2021 | 1.3667 | +0.066% |
| July 20, 2021 | 1.3658 | +0.169% |
| July 19, 2021 | 1.3635 | +1.165% |
| July 16, 2021 | 1.3478 | +0.253% |
| July 15, 2021 | 1.3444 | +0.396% |
| July 14, 2021 | 1.3391 | +0.127% |
| July 13, 2021 | 1.3374 | -0.231% |
| July 12, 2021 | 1.3405 | +0.172% |
| July 9, 2021 | 1.3382 | -0.720% |
| July 8, 2021 | 1.3479 | +1.498% |
| July 7, 2021 | 1.3280 | +0.560% |
| July 6, 2021 | 1.3206 | -0.572% |
| July 5, 2021 | 1.3282 | -0.836% |
| July 2, 2021 | 1.3394 | +0.518% |
| July 1, 2021 | 1.3325 | -0.112% |
| June 30, 2021 | 1.3340 | +0.301% |
| June 29, 2021 | 1.3300 | +0.552% |
| June 28, 2021 | 1.3227 | +0.509% |
| June 25, 2021 | 1.3160 | -0.303% |
| June 24, 2021 | 1.3200 | +0.083% |
| June 23, 2021 | 1.3189 | -0.827% |
| June 22, 2021 | 1.3299 | -0.045% |
| June 21, 2021 | 1.3305 | -0.008% |
| June 18, 2021 | 1.3306 | +0.765% |
| June 17, 2021 | 1.3205 | +1.851% |
| June 16, 2021 | 1.2965 | -0.277% |
| June 15, 2021 | 1.3001 | +0.324% |
| June 14, 2021 | 1.2959 | +0.162% |
| June 11, 2021 | 1.2938 | +0.124% |
| June 10, 2021 | 1.2922 | +0.171% |
| June 9, 2021 | 1.2900 | -0.023% |
| June 8, 2021 | 1.2903 | +0.093% |
| June 7, 2021 | 1.2891 | -1.165% |
| June 4, 2021 | 1.3043 | +0.656% |
| June 3, 2021 | 1.2958 | +0.217% |
| June 2, 2021 | 1.2930 | +0.085% |
| June 1, 2021 | 1.2919 | -0.077% |
| May 31, 2021 | 1.2929 | -0.615% |
| May 28, 2021 | 1.3009 | +0.736% |
| May 27, 2021 | 1.2914 | +0.381% |
| May 26, 2021 | 1.2865 | -0.047% |
| May 25, 2021 | 1.2871 | -0.541% |
| May 24, 2021 | 1.2941 | +0.474% |
| May 21, 2021 | 1.2880 | -0.116% |
| May 20, 2021 | 1.2895 | -0.108% |
| May 19, 2021 | 1.2909 | +0.804% |
| May 18, 2021 | 1.2806 | -0.844% |
| May 17, 2021 | 1.2915 | +0.147% |
| May 14, 2021 | 1.2896 | -0.594% |
| May 13, 2021 | 1.2973 | +1.257% |
| May 12, 2021 | 1.2812 | +0.534% |
| May 11, 2021 | 1.2744 | +0.489% |
| May 10, 2021 | 1.2682 | -1.484% |
| May 7, 2021 | 1.2873 | -0.140% |
| May 6, 2021 | 1.2891 | -0.224% |
| May 5, 2021 | 1.2920 | -0.493% |
| May 4, 2021 | 1.2984 | +0.418% |
| May 3, 2021 | 1.2930 | +0.264% |
| April 30, 2021 | 1.2896 | +0.561% |
| April 29, 2021 | 1.2824 | -0.628% |
| April 28, 2021 | 1.2905 | +0.428% |
| April 27, 2021 | 1.2850 | +0.070% |
| April 26, 2021 | 1.2841 | -0.619% |
| April 23, 2021 | 1.2921 | -0.108% |
| April 22, 2021 | 1.2935 | -0.147% |
| April 21, 2021 | 1.2954 | +0.770% |
| April 20, 2021 | 1.2855 | -0.132% |
| April 19, 2021 | 1.2872 | -0.202% |
| April 16, 2021 | 1.2898 | -0.062% |
| April 15, 2021 | 1.2906 | -0.777% |
| April 14, 2021 | 1.3007 | -1.140% |
| April 13, 2021 | 1.3157 | +0.313% |
| April 12, 2021 | 1.3116 | +0.084% |
| April 9, 2021 | 1.3105 | +0.130% |
| April 8, 2021 | 1.3088 | -0.175% |
| April 7, 2021 | 1.3111 | +0.031% |
| April 6, 2021 | 1.3107 | -0.674% |
| April 1, 2021 | 1.3196 | +0.388% |
| March 31, 2021 | 1.3145 | +0.091% |
| March 30, 2021 | 1.3133 | +0.505% |
| March 29, 2021 | 1.3067 | -0.412% |
| March 26, 2021 | 1.3121 | -0.402% |
| March 25, 2021 | 1.3174 | +0.297% |
| March 24, 2021 | 1.3135 | +0.759% |
| March 23, 2021 | 1.3036 | +0.953% |
| March 22, 2021 | 1.2913 | -0.070% |
| March 19, 2021 | 1.2922 | +0.295% |
| March 18, 2021 | 1.2884 | -0.556% |
| March 17, 2021 | 1.2956 | +0.395% |
| March 16, 2021 | 1.2905 | -0.232% |
| March 15, 2021 | 1.2935 | +0.271% |
| March 12, 2021 | 1.2900 | +0.366% |
| March 11, 2021 | 1.2853 | -0.940% |
| March 10, 2021 | 1.2975 | -0.046% |
| March 9, 2021 | 1.2981 | -0.620% |
| March 8, 2021 | 1.3062 | +0.184% |
| March 5, 2021 | 1.3038 | +1.558% |
| March 4, 2021 | 1.2838 | +0.078% |
| March 3, 2021 | 1.2828 | +0.047% |
| March 2, 2021 | 1.2822 | -0.743% |
| March 1, 2021 | 1.2918 | +0.342% |
| February 26, 2021 | 1.2874 | +2.754% |
| February 25, 2021 | 1.2529 | -0.839% |
| February 24, 2021 | 1.2635 | -0.229% |
| February 23, 2021 | 1.2664 | -0.173% |
| February 22, 2021 | 1.2686 | -0.291% |
| February 19, 2021 | 1.2723 | -0.927% |
| February 18, 2021 | 1.2842 | -0.550% |
| February 17, 2021 | 1.2913 | +0.428% |
| February 16, 2021 | 1.2858 | -0.039% |
| February 15, 2021 | 1.2863 | -0.587% |
| February 12, 2021 | 1.2939 | +0.505% |
| February 11, 2021 | 1.2874 | -0.441% |
| February 10, 2021 | 1.2931 | -0.185% |
| February 9, 2021 | 1.2955 | -0.728% |
| February 8, 2021 | 1.3050 | -0.783% |
| February 5, 2021 | 1.3153 | +0.328% |
| February 4, 2021 | 1.3110 | -0.168% |
| February 3, 2021 | 1.3132 | -0.198% |
| February 2, 2021 | 1.3158 | +0.435% |
| February 1, 2021 | 1.3101 | +0.506% |
| January 29, 2021 | 1.3035 | -0.965% |
| January 28, 2021 | 1.3162 | +1.270% |
| January 27, 2021 | 1.2997 | +0.464% |
| January 26, 2021 | 1.2937 | -0.046% |
| January 25, 2021 | 1.2943 | -0.216% |
| January 22, 2021 | 1.2971 | +0.863% |
| January 21, 2021 | 1.2860 | -0.664% |
| January 20, 2021 | 1.2946 | -0.108% |
| January 19, 2021 | 1.2960 | -0.545% |
| January 18, 2021 | 1.3031 | +0.750% |
| January 15, 2021 | 1.2934 | +0.248% |
| January 14, 2021 | 1.2902 | -0.240% |
| January 13, 2021 | 1.2933 | -0.093% |
| January 12, 2021 | 1.2945 | -0.239% |
| January 11, 2021 | 1.2976 | +0.871% |
| January 8, 2021 | 1.2864 | -0.279% |
| January 7, 2021 | 1.2900 | +0.585% |
| January 6, 2021 | 1.2825 | -1.187% |
| January 5, 2021 | 1.2979 | +0.193% |
| January 4, 2021 | 1.2954 | +0.000% |
| December 31, 2020 | 1.2954 | — |
The USD/AUD exchange rate averaged 1.3323 in 2021, trading between a low of 1.2529 and a high of 1.4206,a range of 13.4% over the year. The rate rose by 6.43% over the full year, from 1.2954 at the opening of 2021 to 1.3787 at year-end.
Q1 (2021): January through March averaged 1.2946, a -0.06% move from the 2021 opening rate of 1.2954.
Q2 (2021): April through June averaged 1.2996, up 0.39% from Q1.
Q3 (2021): July through September averaged 1.3621, a +4.81% change from Q2.
Q4 (2021): October through December averaged 1.3723, closing the year at 1.3787, a 6.43% gain for USD against AUD from the 2021 open.
Annualized volatility for USD/AUD in 2021 was 8.8%, calculated as the annualized standard deviation of daily log returns across 259 trading days. For reference, major currency pairs average 5–10% annualized volatility in calm years and 12–20% during significant policy or market disruptions. Volatility above 10% generally indicates conditions where hedging currency exposure was material for businesses and travelers with significant USD/AUD exposure.
| Month | Avg Rate | High | Low | vs Prior Month |
|---|---|---|---|---|
| January | 1.2953 | 1.3162 | 1.2825 | — |
| February | 1.2900 | 1.3158 | 1.2529 | -0.41% |
| March | 1.2980 | 1.3174 | 1.2822 | +0.62% |
| April | 1.2977 | 1.3196 | 1.2824 | -0.02% |
| May | 1.2888 | 1.3009 | 1.2682 | -0.69% |
| June | 1.3085 | 1.3340 | 1.2891 | +1.53% |
| July | 1.3471 | 1.3667 | 1.3206 | +2.96% |
| August | 1.3693 | 1.4029 | 1.3491 | +1.64% |
| September | 1.3668 | 1.3900 | 1.3444 | -0.18% |
| October | 1.3506 | 1.3787 | 1.3272 | -1.18% |
| November | 1.3683 | 1.3996 | 1.3301 | +1.31% |
| December | 1.3961 | 1.4206 | 1.3759 | +2.03% |
What was the USD to AUD exchange rate in 2021?
The USD/AUD rate averaged 1.3323 in 2021, ranging from a low of 1.2529 to a high of 1.4206.
What was the highest USD/AUD rate in 2021?
The highest USD to AUD rate recorded in 2021 was 1.4206. The lowest was 1.2529.
How much did the USD/AUD rate change in 2021?
The USD/AUD rate rose by 6.43% in 2021, from 1.2954 to 1.3787.
What was the USD/AUD annual trading range in 2021?
The USD/AUD pair traded in a range of 1.2529 to 1.4206 in 2021,a spread of 13.4% between the year's low and high.
Was 2021 a good year to exchange USD to AUD?
The USD/AUD rate rose 6.43% over 2021, closing at 1.3787. For those converting USD to AUD, the year-end rate was more favorable than the start of year. Historical data like this can provide useful context when planning future currency exchanges.
Where can I find USD/AUD rates for other years?
LiveRates.io provides complete daily historical rates for USD/AUD going back to 2000. Use the year navigation above to view adjacent years, or visit the main USD to AUD page for current rates, a 30-day chart, and links to all available historical years.