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Weather & Climate
Middlesex, New Jersey, United States
Overview
Climate data and monthly weather averages for Middlesex.
Key Metrics
Annual Avg
11.7°C
Summer Avg
23.1°C
Winter Avg
0.3°C
Record High
38.7°C
Record Low
-19.5°C
Annual Precipitation
1225.5 mm
Avg Humidity
79%
Summer Humidity
75%
Winter Humidity
85%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 19.2° | -1.1° | -18.8° | 81.5 | 85% | 59 | 48 |
| Feb | 21.4° | -0.2° | -19.5° | 79.2 | 84% | 78 | 45.7 |
| Mar | 22.6° | 3.8° | -17.9° | 102.6 | 81% | 116 | 46.1 |
| Apr | 32.8° | 9.9° | -4.4° | 99.3 | 79% | 146 | 46.6 |
| May | 31° | 15.6° | 0.7° | 98.3 | 79% | 167 | 33.1 |
| Jun | 35.7° | 21° | 6.6° | 117 | 78% | 179 | 28.9 |
| Jul | 38.7° | 24.4° | 11.2° | 116.6 | 73% | 187 | 29.8 |
| Aug | 38.6° | 23.8° | 11.6° | 113.8 | 73% | 162 | 45.5 |
| Sep | 35.7° | 20.1° | 6.2° | 97.5 | 74% | 129 | 36.9 |
| Oct | 33.5° | 13.4° | -2.4° | 113.5 | 78% | 93 | 57.9 |
| Nov | 23.8° | 7.2° | -9.8° | 90.9 | 81% | 65 | 39.6 |
| Dec | 21.6° | 2.1° | -14.2° | 115.3 | 85% | 50 | 43.4 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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