Average annual temperature is 13.1 °C
Absolute maximum temperature: 41.1 °C
Absolute minimum temperature: -11 °C
Number of sunny days: 203
Number of rainy days: 158
Number of snow days: 4
Average annual precipitation: 423 mm
Look at detailed online map of Lewiston
* Weather data for Lewiston United States is based on climate observations for 2023 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 13.2 | 13.3 | 16.7 | 28.6 | 32.2 | 34.4 | 39.6 | 41.1 | 34 | 27.2 | 16.4 | 11.5 |
| Average daytime temperature (°C) | 7.5 | 9.3 | 11.7 | 16.6 | 25.8 | 27.9 | 35.4 | 33.2 | 26.6 | 19.3 | 10 | 7.4 |
| Average temperature (°C) | 2.8 | 3 | 5.6 | 10 | 18.6 | 21.4 | 27.7 | 25.8 | 19.1 | 13.1 | 5.5 | 3.3 |
| Average night temperature (°C) | -0.4 | -0.9 | 0.9 | 4.8 | 12.4 | 14.9 | 19.6 | 18.8 | 13.3 | 8.3 | 1.9 | 0.6 |
| Absolute minimum temperature (°C) | -11 | -10 | -2.9 | -0.4 | 6.9 | 7.9 | 15.4 | 12.8 | 7.9 | -3.8 | -4.7 | -3.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.6 | 11 | 12.8 | 14.3 | 15.5 | 15.8 | 15.8 | 14.9 | 13.3 | 11.7 | 10.1 | 8.9 |
| Daylight mean duration (h) | 9.1 | 10.3 | 11.9 | 13.6 | 15 | 15.8 | 15.4 | 14.2 | 12.6 | 10.9 | 9.5 | 8.7 |
| Daylight minimum duration (h) | 8.7 | 9.7 | 11.1 | 12.8 | 14.4 | 15.6 | 14.9 | 13.4 | 11.8 | 10.1 | 8.9 | 8.6 |
| Sunshine mean duration (h) | 5.5 | 5.7 | 7.5 | 9.4 | 12.3 | 13.2 | 14 | 10.8 | 9.5 | 7.8 | 5.2 | 4.6 |
| Precipitation (mm) | 27 | 26 | 51 | 57 | 43 | 18 | 0 | 27 | 25 | 33 | 65 | 49 |
| Sunny days | 16 | 13 | 7 | 11 | 18 | 18 | 31 | 23 | 20 | 18 | 14 | 14 |
| Rainy days | 14 | 12 | 24 | 19 | 13 | 12 | 8 | 10 | 13 | 16 | 17 | |
| Snow days | 1 | 3 |
The best time to visit Lewiston during the most sunny months:
Months with the longest average daylight duration in Lewiston:
The largest precipitation sum in Lewiston is at