Average annual temperature is 17.2 °C
Absolute maximum temperature: 38.1 °C
Absolute minimum temperature: -6.0 °C
Number of sunny days: 209 days
Number of rainy days: 156 days
Look at detailed online map of Needham
* Weather data for Needham 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) | 22.3 | 23.6 | 25.0 | 28.0 | 31.3 | 37.0 | 35.8 | 38.1 | 34.3 | 31.0 | 26.6 | 19.7 |
| Average daytime temperature (°C) | 12.5 | 14.6 | 16.2 | 21.5 | 27.4 | 31.8 | 32.6 | 32.0 | 29.4 | 23.5 | 16.4 | 13.0 |
| Average temperature (°C) | 7.6 | 9.0 | 10.9 | 15.6 | 21.5 | 25.8 | 27.4 | 27.0 | 23.7 | 18.1 | 10.8 | 8.0 |
| Average night temperature (°C) | 3.7 | 4.9 | 6.4 | 10.6 | 15.9 | 19.9 | 23.0 | 22.7 | 18.7 | 13.6 | 6.4 | 4.2 |
| Absolute minimum temperature (°C) | -4.6 | -6.0 | -5.2 | 3.9 | 6.7 | 14.3 | 17.0 | 17.0 | 13.8 | -0.5 | -1.8 | -3.4 |
| 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 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.5 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.2 | 6.6 | 7.8 | 9.0 | 11.6 | 12.7 | 11.2 | 10.6 | 10.7 | 8.1 | 8.0 | 7.0 |
| Precipitation (mm) | 220 | 125 | 195 | 90 | 42 | 38 | 88 | 114 | 36 | 117 | 30 | 71 |
| Sunny days | 16 | 16 | 15 | 18 | 13 | 18 | 10 | 15 | 22 | 22 | 23 | 21 |
| Rainy days | 15 | 12 | 16 | 12 | 18 | 12 | 21 | 16 | 8 | 9 | 7 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Needham during the most sunny months:
The largest precipitation sum in Needham is at