Fair Lawn Climate by Month
Fair Lawn, New Jersey, United States
Hot summers and cold winters, with rain spread through the year.
The climate in Fair Lawn is one of hot summers and cold winters, with rain spread through the year. Afternoon highs range from 39°F (4°C) in January to 87°F (31°C) in July, and January nights average 23°F (-5°C). It gets 48 in (1218 mm) of rain a year, spread across the months.
- Warmest month
- 87°F(31°C)
- Average high, July
- Coldest nights
- 23°F(-5°C)
- Average low, January
- Rain per year
- 48 in(1218 mm)
- No clear rainy season
- Humidity
- 64%
- Sunniest: July
Best and worst months in Fair Lawn
Best for weatherMay is the best time for weather in Fair Lawn: highs near 74°F (23°C) and about 3.8 in (97 mm) of rain a month.
Least pleasantJanuary is the least pleasant month: it's the coldest, with highs of only 39°F (4°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in May.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Fair Lawn weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 39°F(4°C) | 23°F(-5°C) | 3.6 in(91 mm) | 68% | 1.7 |
| FebFebruary | 43°F(6°C) | 24°F(-4°C) | 2.8 in(72 mm) | 62% | 2.6 |
| MarMarch | 51°F(11°C) | 32°F(0°C) | 4.1 in(105 mm) | 57% | 3.6 |
| AprApril | 63°F(17°C) | 41°F(5°C) | 3.9 in(98 mm) | 52% | 4.5 |
| MayMayBest | 74°F(23°C) | 51°F(11°C) | 3.8 in(97 mm) | 62% | 5.2 |
| JunJune | 82°F(28°C) | 61°F(16°C) | 4.6 in(116 mm) | 64% | 5.6 |
| JulJuly | 87°F(31°C) | 66°F(19°C) | 4.6 in(116 mm) | 64% | 5.7 |
| AugAugust | 85°F(30°C) | 64°F(18°C) | 4.1 in(103 mm) | 68% | 5.0 |
| SepSeptember | 78°F(26°C) | 57°F(14°C) | 4.6 in(116 mm) | 69% | 4.0 |
| OctOctober | 67°F(19°C) | 45°F(7°C) | 4.3 in(110 mm) | 66% | 2.8 |
| NovNovember | 55°F(13°C) | 36°F(2°C) | 3.6 in(92 mm) | 67% | 1.9 |
| DecDecember | 44°F(7°C) | 28°F(-2°C) | 4.0 in(102 mm) | 69% | 1.5 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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