Average annual temperature is 10.9 °C
Absolute maximum temperature: 33.4 °C
Absolute minimum temperature: -24.8 °C
Number of sunny days: 160 days
Number of rainy days: 193 days
Number of snow days: 12 days
Look at detailed online map of Middlesex County
* Weather data for Middlesex County 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) | 12.4 | 15.4 | 16.1 | 30.4 | 30.2 | 32.5 | 31.7 | 28.8 | 33.4 | 28.0 | 18.4 | 16.2 |
| Average daytime temperature (°C) | 5.7 | 5.7 | 7.9 | 15.8 | 21.1 | 23.5 | 28.0 | 25.5 | 22.9 | 18.7 | 9.1 | 7.9 |
| Average temperature (°C) | 1.8 | 0.1 | 2.8 | 9.7 | 14.4 | 17.8 | 23.0 | 20.5 | 18.2 | 13.6 | 4.0 | 3.3 |
| Average night temperature (°C) | -1.5 | -4.8 | -1.3 | 5.2 | 8.6 | 13.5 | 19.0 | 16.6 | 14.7 | 9.7 | 0.3 | 0.1 |
| Absolute minimum temperature (°C) | -7.2 | -24.8 | -6.2 | -3.1 | 2.2 | 6.8 | 13.8 | 12.3 | 7.8 | 1.6 | -5.3 | -6.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 13.9 | 12.5 | 11.1 | 9.8 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.0 | 6.0 | 7.4 | 8.3 | 11.4 | 9.2 | 10.7 | 9.5 | 7.2 | 7.6 | 7.0 | 5.3 |
| Precipitation (mm) | 163 | 49 | 145 | 73 | 74 | 131 | 176 | 152 | 249 | 73 | 46 | 157 |
| Sunny days | 8 | 11 | 13 | 17 | 19 | 6 | 7 | 11 | 11 | 18 | 21 | 18 |
| Rainy days | 19 | 12 | 15 | 13 | 12 | 24 | 24 | 20 | 19 | 13 | 9 | 13 |
| Snow days | 4 | 5 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Middlesex County during the most sunny months:
The largest precipitation sum in Middlesex County is at