Average annual temperature is 15.7 °C
Absolute maximum temperature: 36.0 °C
Absolute minimum temperature: -7.2 °C
Number of sunny days: 187 days
Number of rainy days: 178 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) | 20.7 | 26.2 | 25.3 | 30.3 | 29.2 | 30.9 | 36.0 | 34.8 | 34.9 | 28.5 | 25.5 | 20.4 |
| Average daytime temperature (°C) | 12.6 | 14.4 | 15.2 | 22.6 | 22.4 | 27.2 | 31.6 | 30.3 | 27.2 | 22.0 | 14.9 | 12.8 |
| Average temperature (°C) | 8.0 | 9.0 | 9.6 | 16.2 | 17.4 | 21.6 | 26.0 | 25.1 | 22.1 | 16.4 | 9.6 | 7.7 |
| Average night temperature (°C) | 4.4 | 4.6 | 5.0 | 11.2 | 13.3 | 17.2 | 21.9 | 21.0 | 18.1 | 11.9 | 5.7 | 3.8 |
| Absolute minimum temperature (°C) | -2.0 | -7.2 | -1.3 | 4.0 | 6.4 | 12.6 | 18.7 | 17.7 | 12.6 | 5.3 | -4.2 | -2.0 |
| 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 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| 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) | 5.9 | 7.1 | 8.2 | 9.3 | 10.5 | 11.4 | 12.0 | 10.5 | 8.9 | 8.8 | 7.9 | 6.3 |
| Precipitation (mm) | 66 | 66 | 49 | 123 | 86 | 127 | 109 | 49 | 76 | 26 | 57 | 130 |
| Sunny days | 14 | 17 | 17 | 16 | 14 | 13 | 6 | 11 | 17 | 21 | 24 | 17 |
| Rainy days | 17 | 11 | 14 | 14 | 17 | 17 | 25 | 20 | 13 | 10 | 6 | 14 |
| Snow days | 0 | 0 | 0 | 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