Lynn Climate by Month
Lynn, Massachusetts, United States
Warm summers and cold winters, with rain spread through the year.
Warm summers and cold winters, with rain spread through the year: that's Lynn's climate in short. Afternoon highs range from 37°F (3°C) in January to 83°F (29°C) in July, and January nights average 20°F (-7°C). It gets 45 in (1150 mm) of rain a year, spread across the months.
- Warmest month
- 83°F(29°C)
- Average high, July
- Coldest nights
- 20°F(-7°C)
- Average low, January
- Rain per year
- 45 in(1150 mm)
- No clear rainy season
- Humidity
- 70%
- Sunniest: July
Best and worst months in Lynn
Best for weatherThe most comfortable weather comes in June and September, with highs around 76°F (24°C) and about 3.6 in (92 mm) of rain a month.
Least pleasantJanuary is the least pleasant month: it's the coldest, with highs of only 37°F (3°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 September.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Lynn weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 37°F(3°C) | 20°F(-7°C) | 3.8 in(96 mm) | 76% | 1.6 |
| FebFebruary | 40°F(4°C) | 21°F(-6°C) | 3.2 in(82 mm) | 70% | 2.6 |
| MarMarch | 46°F(8°C) | 28°F(-2°C) | 4.5 in(114 mm) | 66% | 3.5 |
| AprApril | 57°F(14°C) | 38°F(3°C) | 3.9 in(100 mm) | 63% | 4.6 |
| MayMay | 68°F(20°C) | 47°F(9°C) | 3.3 in(83 mm) | 61% | 5.2 |
| JunJuneBest | 77°F(25°C) | 57°F(14°C) | 3.6 in(92 mm) | 66% | 5.5 |
| JulJuly | 83°F(29°C) | 63°F(17°C) | 3.2 in(82 mm) | 68% | 5.7 |
| AugAugust | 82°F(28°C) | 62°F(17°C) | 3.3 in(85 mm) | 71% | 5.2 |
| SepSeptemberBest | 74°F(24°C) | 54°F(12°C) | 3.6 in(92 mm) | 73% | 4.0 |
| OctOctober | 63°F(17°C) | 43°F(6°C) | 4.5 in(115 mm) | 72% | 2.6 |
| NovNovember | 52°F(11°C) | 34°F(1°C) | 3.9 in(100 mm) | 74% | 1.8 |
| DecDecember | 42°F(6°C) | 26°F(-3°C) | 4.3 in(109 mm) | 76% | 1.4 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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