Average daily temperatures in Ulan-bator, Mongolia, including the lower and upper bounds of the 95% confidence interval. Due to the possibility of missing data, the actual day counts used in the average and confidence interval calculations are provided. The table is also offered in degrees of Fahrenheit.
| January | February | March | April | May | June | July | August | September | October | November | December | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | -25 -23 -21 | -27 -24 -21 | -16 -13 -10 | -4 -2 0 | 4 7 9 | 12 15 18 | 18 20 22 | 16 18 20 | 11 14 16 | -0 3 5 | -7 -5 -3 | -22 -19 -15 |
| 2 | -26 -23 -20 | -26 -23 -19 | -15 -13 -10 | -1 1 4 | 2 6 10 | 11 15 18 | 16 19 21 | 17 19 22 | 12 14 16 | 1 4 6 | -7 -4 -2 | -23 -19 -15 |
| 3 | -27 -23 -18 | -25 -22 -19 | -15 -11 -8 | -1 1 3 | 3 6 10 | 13 15 18 | 16 18 20 | 18 20 21 | 10 13 15 | 1 3 5 | -7 -5 -3 | -21 -18 -16 |
| 4 | -26 -22 -19 | -25 -22 -18 | -14 -10 -6 | -0 2 5 | 5 7 10 | 13 16 19 | 17 20 23 | 18 20 22 | 10 12 15 | 1 4 6 | -10 -7 -3 | -23 -20 -18 |
| 5 | -25 -23 -21 | -24 -20 -17 | -15 -11 -7 | -2 1 4 | 6 9 12 | 12 15 18 | 19 21 24 | 16 19 21 | 10 12 14 | 2 4 6 | -12 -9 -5 | -23 -20 -17 |
| 6 | -27 -25 -22 | -25 -21 -18 | -17 -13 -8 | -5 -2 1 | 3 7 10 | 10 13 17 | 18 20 22 | 17 19 21 | 10 12 15 | -0 2 5 | -13 -9 -5 | -26 -22 -19 |
| 7 | -28 -25 -22 | -25 -22 -19 | -15 -11 -8 | -4 -0 3 | 4 6 8 | 13 16 19 | 17 19 20 | 16 18 20 | 9 12 15 | 1 3 5 | -12 -8 -5 | -26 -21 -17 |
| 8 | -28 -25 -22 | -25 -22 -19 | -13 -10 -6 | -6 -2 3 | 5 8 11 | 14 17 20 | 17 19 20 | 15 18 20 | 9 12 15 | 2 5 7 | -12 -8 -5 | -25 -21 -17 |
| 9 | -28 -25 -22 | -24 -21 -18 | -14 -11 -7 | -3 0 4 | 5 8 12 | 14 17 21 | 16 18 20 | 14 16 19 | 8 11 13 | 1 4 7 | -12 -8 -4 | -25 -21 -17 |
| 10 | -26 -23 -19 | -24 -20 -16 | -15 -11 -6 | -4 -1 2 | 7 9 11 | 15 18 20 | 16 19 21 | 16 18 21 | 8 10 13 | -1 2 6 | -14 -10 -6 | -24 -20 -17 |
| 11 | -27 -23 -19 | -23 -19 -15 | -14 -9 -5 | -3 -0 2 | 6 9 12 | 14 18 22 | 17 20 23 | 17 18 20 | 8 10 12 | -1 2 6 | -15 -12 -8 | -23 -20 -17 |
| 12 | -28 -24 -20 | -20 -17 -13 | -12 -9 -5 | -1 2 4 | 9 11 13 | 15 18 21 | 17 20 22 | 16 18 20 | 7 10 13 | -3 0 3 | -15 -12 -8 | -23 -20 -17 |
| 13 | -29 -25 -22 | -21 -18 -16 | -13 -10 -7 | -1 2 5 | 9 12 14 | 15 17 19 | 19 21 23 | 16 18 20 | 9 11 14 | -1 1 4 | -15 -12 -9 | -22 -19 -15 |
| 14 | -28 -26 -23 | -21 -19 -16 | -12 -9 -6 | -1 2 5 | 7 10 13 | 14 16 18 | 19 21 22 | 15 17 19 | 10 12 15 | -3 0 4 | -18 -14 -11 | -23 -20 -17 |
| 15 | -28 -25 -23 | -21 -18 -15 | -11 -8 -5 | 1 3 6 | 8 10 12 | 15 17 19 | 19 22 24 | 13 16 19 | 8 11 13 | -3 0 3 | -16 -14 -12 | -22 -20 -18 |
| 16 | -27 -25 -22 | -20 -17 -14 | -12 -9 -6 | -1 3 7 | 7 9 12 | 14 17 19 | 19 20 22 | 13 17 20 | 7 10 13 | -3 -0 2 | -17 -14 -10 | -24 -21 -18 |
| 17 | -26 -24 -22 | -19 -16 -13 | -13 -10 -7 | 0 4 8 | 8 10 12 | 15 17 20 | 18 21 23 | 13 16 19 | 3 7 10 | -3 -0 3 | -17 -14 -11 | -25 -22 -18 |
| 18 | -25 -24 -22 | -19 -15 -11 | -12 -8 -5 | -2 3 8 | 10 12 15 | 16 18 21 | 18 19 20 | 14 17 20 | 5 7 9 | -2 1 3 | -16 -13 -10 | -25 -22 -20 |
| 19 | -25 -23 -22 | -18 -14 -10 | -10 -7 -3 | 1 3 6 | 8 10 13 | 15 18 21 | 19 20 22 | 14 17 19 | 6 8 10 | -1 1 3 | -16 -12 -9 | -26 -23 -20 |
| 20 | -24 -22 -19 | -17 -14 -11 | -9 -5 -2 | 0 3 5 | 10 12 15 | 14 17 20 | 18 20 23 | 16 17 19 | 8 11 14 | -4 -1 2 | -17 -14 -11 | -26 -23 -20 |
| 21 | -25 -23 -21 | -18 -15 -11 | -8 -6 -3 | -1 1 4 | 9 12 15 | 13 17 21 | 17 20 23 | 16 18 20 | 8 11 13 | -4 -2 1 | -16 -13 -11 | -24 -21 -18 |
| 22 | -25 -23 -21 | -19 -16 -12 | -8 -5 -3 | -1 2 5 | 9 12 16 | 13 16 19 | 18 20 23 | 15 17 20 | 6 9 11 | -5 -2 0 | -17 -14 -10 | -23 -20 -17 |
| 23 | -26 -23 -21 | -18 -15 -12 | -8 -6 -4 | 1 3 6 | 8 12 16 | 14 17 19 | 18 20 22 | 13 15 16 | 6 8 11 | -6 -3 -0 | -18 -15 -12 | -24 -20 -16 |
| 24 | -25 -23 -21 | -18 -15 -11 | -8 -5 -3 | 2 4 7 | 8 11 13 | 16 18 20 | 17 20 23 | 14 16 17 | 5 7 10 | -9 -5 -2 | -19 -16 -13 | -24 -20 -15 |
| 25 | -26 -24 -21 | -17 -15 -12 | -8 -4 -1 | 4 6 7 | 8 12 15 | 16 19 21 | 18 21 24 | 14 16 18 | 6 8 10 | -8 -5 -1 | -21 -18 -16 | -24 -20 -17 |
| 26 | -26 -24 -21 | -15 -12 -9 | -8 -4 -0 | 7 9 12 | 8 11 15 | 17 19 22 | 18 20 22 | 12 14 17 | 5 8 12 | -6 -4 -1 | -21 -18 -15 | -25 -21 -18 |
| 27 | -26 -23 -21 | -15 -12 -9 | -5 -2 1 | 6 8 11 | 8 12 15 | 15 17 20 | 15 18 22 | 12 14 16 | 5 8 10 | -7 -5 -2 | -19 -16 -13 | -27 -23 -19 |
| 28 | -25 -23 -20 | -16 -13 -10 | -4 -2 0 | 4 7 11 | 9 13 17 | 13 15 18 | 15 18 21 | 11 13 16 | 5 7 9 | -8 -5 -2 | -21 -18 -15 | -27 -24 -20 |
| 29 | -25 -23 -21 | -24 -13 -2 | -5 -2 1 | 2 6 9 | 9 12 15 | 15 17 19 | 16 18 21 | 13 15 17 | 5 6 8 | -7 -4 -1 | -22 -18 -15 | -26 -23 -19 |
| 30 | -26 -23 -20 | -4 -2 1 | 3 7 10 | 11 14 17 | 16 19 21 | 16 19 21 | 14 16 18 | 1 4 7 | -9 -6 -3 | -22 -19 -15 | -27 -23 -20 | |
| 31 | -26 -23 -21 | -5 -2 2 | 12 14 17 | 16 17 19 | 11 14 17 | -8 -5 -2 | -26 -23 -19 |