Average annual temperature is 12.8 °C
Absolute maximum temperature: 34.3 °C
Absolute minimum temperature: -17.0 °C
Number of sunny days: 175 days
Number of rainy days: 187 days
Number of snow days: 3 days
Look at detailed online map of Montclair
* Weather data for Montclair United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 17.9 | 19.4 | 15.0 | 29.9 | 29.0 | 32.6 | 34.0 | 30.5 | 34.3 | 27.5 | 19.8 | 16.2 |
| Average daytime temperature (°C) | 8.4 | 8.0 | 10.1 | 18.4 | 21.4 | 25.7 | 29.8 | 27.4 | 24.4 | 19.5 | 11.2 | 9.0 |
| Average temperature (°C) | 4.6 | 3.1 | 4.9 | 12.5 | 15.6 | 20.0 | 24.5 | 22.8 | 19.7 | 14.4 | 6.3 | 4.8 |
| Average night temperature (°C) | 1.3 | -1.1 | 0.5 | 7.6 | 9.9 | 15.1 | 20.1 | 18.5 | 15.9 | 10.4 | 2.1 | 1.4 |
| Absolute minimum temperature (°C) | -3.9 | -17.0 | -4.0 | -0.7 | 4.9 | 9.6 | 15.7 | 14.9 | 9.2 | 4.1 | -4.1 | -5.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.0 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.5 | 6.3 | 7.5 | 8.7 | 12.1 | 10.2 | 11.5 | 10.1 | 7.6 | 7.6 | 7.2 | 4.8 |
| Precipitation (mm) | 129 | 44 | 119 | 143 | 35 | 101 | 186 | 120 | 248 | 120 | 66 | 218 |
| Sunny days | 12 | 18 | 13 | 13 | 19 | 11 | 9 | 11 | 13 | 18 | 21 | 17 |
| Rainy days | 19 | 8 | 17 | 17 | 12 | 19 | 22 | 20 | 17 | 13 | 9 | 14 |
| Snow days | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Montclair during the most sunny months:
The largest precipitation sum in Montclair is at