Temperature Trends in Billings, Montana
Average daily temperatures in Billings, Montana, 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 | -7 -3 0 | -6 -2 2 | -4 -0 3 | 4 6 8 | 6 8 10 | 14 16 17 | 20 22 24 | 22 23 25 | 17 20 22 | 11 14 17 | -0 3 7 | -3 0 4 |
| 2 | -7 -4 -1 | -7 -2 2 | -4 -1 2 | 1 4 7 | 7 9 11 | 14 16 17 | 20 22 23 | 22 24 25 | 17 19 22 | 10 13 16 | 0 4 7 | -4 -0 3 |
| 3 | -8 -4 1 | -5 -2 2 | -2 0 3 | 2 4 7 | 9 11 13 | 14 16 18 | 20 21 23 | 21 23 24 | 17 20 22 | 9 11 14 | 2 5 7 | -3 -1 2 |
| 4 | -8 -4 0 | -2 -0 2 | -3 -0 3 | 2 5 7 | 9 11 12 | 14 16 18 | 20 22 24 | 21 22 24 | 18 20 23 | 8 11 13 | 3 6 8 | -5 -2 1 |
| 5 | -7 -3 2 | -1 1 3 | -5 -1 3 | 4 6 9 | 9 11 13 | 15 17 19 | 20 22 24 | 22 23 24 | 18 20 22 | 6 10 13 | 2 5 8 | -5 -2 0 |
| 6 | -6 -3 1 | -2 -0 2 | -6 -2 2 | 4 6 9 | 9 11 13 | 15 17 19 | 20 22 23 | 22 24 25 | 16 18 21 | 6 9 12 | 2 5 9 | -6 -3 0 |
| 7 | -5 -2 1 | -4 -1 2 | -7 -3 1 | 4 6 9 | 8 11 13 | 13 15 17 | 21 23 24 | 23 25 26 | 15 17 19 | 9 11 14 | 2 6 9 | -6 -2 1 |
| 8 | -4 -1 3 | -6 -2 2 | -6 -1 3 | 4 6 9 | 8 10 12 | 12 15 18 | 21 23 24 | 21 23 25 | 15 17 20 | 9 11 13 | 1 5 8 | -7 -3 0 |
| 9 | -5 -1 2 | -6 -2 2 | -4 0 4 | 2 6 9 | 8 10 13 | 12 14 17 | 22 23 24 | 20 22 24 | 15 17 20 | 7 10 13 | 1 4 7 | -7 -3 1 |
| 10 | -6 -2 3 | -6 -3 -1 | -2 2 5 | 3 5 8 | 7 10 12 | 13 15 17 | 22 23 25 | 20 22 24 | 16 18 20 | 6 9 12 | -1 2 6 | -6 -2 1 |
| 11 | -9 -4 1 | -6 -3 -0 | -1 3 7 | 4 6 9 | 8 9 11 | 14 15 17 | 21 23 24 | 21 23 25 | 15 17 18 | 6 9 12 | -1 2 6 | -6 -2 1 |
| 12 | -10 -5 1 | -6 -3 0 | 1 4 7 | 5 7 10 | 8 11 14 | 14 16 17 | 21 23 25 | 20 22 24 | 15 17 19 | 5 7 10 | -0 3 6 | -4 -2 1 |
| 13 | -8 -3 2 | -4 -0 4 | 2 5 7 | 7 9 12 | 9 12 15 | 15 17 19 | 23 24 26 | 19 21 24 | 14 16 18 | 6 8 11 | 1 4 7 | -5 -1 2 |
| 14 | -7 -3 1 | -6 -2 1 | 1 4 7 | 6 9 12 | 11 13 16 | 16 17 19 | 22 24 26 | 20 22 24 | 14 15 17 | 8 10 12 | 0 3 6 | -6 -2 3 |
| 15 | -7 -3 1 | -5 -3 0 | 1 4 7 | 4 6 9 | 12 14 16 | 16 17 18 | 23 24 26 | 19 21 23 | 15 17 19 | 8 10 12 | -0 3 6 | -6 -2 2 |
| 16 | -6 -3 0 | -3 -0 3 | 3 6 8 | 4 6 9 | 12 15 17 | 15 17 19 | 22 24 27 | 19 21 23 | 15 18 20 | 7 9 10 | 1 4 8 | -6 -2 1 |
| 17 | -5 -3 0 | -3 1 4 | 2 5 7 | 6 8 11 | 12 15 17 | 16 19 21 | 21 23 25 | 19 21 23 | 13 16 19 | 7 10 12 | 1 4 7 | -4 -1 3 |
| 18 | -5 -2 1 | -3 1 4 | 1 4 6 | 6 8 11 | 12 15 17 | 16 18 20 | 22 24 26 | 19 21 22 | 12 15 18 | 7 10 12 | 1 5 8 | -6 -3 0 |
| 19 | -6 -2 2 | -2 1 4 | 2 4 7 | 5 7 10 | 12 14 17 | 16 18 19 | 23 25 27 | 19 21 23 | 11 14 16 | 7 9 11 | -2 2 5 | -7 -4 -1 |
| 20 | -5 -2 1 | -3 -0 3 | 1 4 7 | 5 7 10 | 13 15 16 | 16 18 19 | 22 24 25 | 21 22 23 | 11 13 16 | 7 9 11 | -3 2 6 | -8 -4 0 |
| 21 | -5 -2 1 | -3 0 3 | 2 5 8 | 5 8 10 | 14 15 17 | 17 19 20 | 22 24 25 | 22 23 24 | 10 12 15 | 6 9 12 | -4 1 5 | -9 -5 -1 |
| 22 | -7 -4 -1 | -1 1 4 | 2 5 8 | 6 9 12 | 11 14 16 | 18 20 21 | 22 24 25 | 22 23 25 | 10 12 15 | 5 7 10 | -4 1 5 | -9 -6 -2 |
| 23 | -6 -4 -1 | -3 -0 2 | 1 4 7 | 7 10 12 | 11 13 15 | 17 19 21 | 23 25 26 | 21 23 25 | 11 13 16 | 5 8 11 | -5 -1 3 | -10 -6 -2 |
| 24 | -7 -3 0 | -4 -1 3 | -0 3 6 | 6 9 11 | 11 13 15 | 18 20 21 | 23 25 26 | 20 22 24 | 11 13 16 | 5 8 10 | -3 1 5 | -9 -5 -1 |
| 25 | -8 -4 1 | -5 -1 3 | -0 3 6 | 7 9 12 | 11 13 15 | 18 20 22 | 23 24 25 | 20 21 23 | 13 15 17 | 4 7 9 | -2 1 4 | -7 -3 1 |
| 26 | -8 -4 1 | -7 -3 1 | 3 6 8 | 7 9 12 | 11 14 16 | 18 20 22 | 22 23 25 | 21 22 24 | 14 16 19 | 4 6 9 | -3 0 3 | -7 -3 1 |
| 27 | -8 -4 -0 | -6 -3 1 | 2 5 7 | 8 10 13 | 11 14 16 | 18 20 22 | 22 23 25 | 21 23 25 | 12 14 17 | 5 7 9 | -3 -1 2 | -5 -2 1 |
| 28 | -8 -4 -0 | -5 -1 2 | 2 4 7 | 7 10 13 | 13 15 17 | 18 20 22 | 22 24 26 | 20 22 23 | 12 15 17 | 5 7 9 | -3 -0 3 | -4 -1 2 |
| 29 | -9 -4 -0 | -13 -3 7 | 2 4 7 | 6 9 12 | 12 14 17 | 20 22 24 | 23 25 27 | 19 21 23 | 14 16 17 | 5 7 10 | -4 -0 3 | -6 -2 1 |
| 30 | -7 -3 1 | 2 4 7 | 6 8 10 | 12 14 16 | 20 22 24 | 22 24 26 | 19 21 23 | 13 15 16 | 1 5 8 | -3 1 4 | -6 -3 -0 | |
| 31 | -6 -2 2 | 3 6 9 | 13 15 17 | 22 24 26 | 18 20 22 | -0 4 9 | -7 -3 0 |