Fitchburg, Massachusetts Climate by Month
Fitchburg, Massachusetts, United States
Warm summers and freezing winters, with rain spread through the year.
Fitchburg has warm summers and freezing winters, with rain spread through the year. July is the warmest month, with highs around 81°F (27°C); January is the coolest at 33°F (0°C), and nights dip to 14°F (-10°C). It gets 46 in (1169 mm) of rain a year, spread across the months.
- Warmest month
- 81°F(27°C)
- Average high, July
- Coldest nights
- 14°F(-10°C)
- Average low, January
- Rain per year
- 46 in(1169 mm)
- No clear rainy season
- Humidity
- 70%
- Sunniest: July
Best and worst months in Fitchburg
Best for weatherJune and September are the best time for weather in Fitchburg: highs near 74°F (23°C) and about 3.8 in (96 mm) of rain a month.
Least pleasantJanuary and February are the least pleasant; January is the coldest, with highs of only 33°F (0°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 June.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Fitchburg weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 33°F(0°C) | 14°F(-10°C) | 3.3 in(85 mm) | 71% | 1.6 |
| FebFebruary | 35°F(2°C) | 14°F(-10°C) | 3.2 in(82 mm) | 67% | 2.5 |
| MarMarch | 42°F(6°C) | 22°F(-5°C) | 4.1 in(105 mm) | 65% | 3.5 |
| AprApril | 55°F(13°C) | 33°F(0°C) | 3.9 in(100 mm) | 62% | 4.6 |
| MayMay | 66°F(19°C) | 43°F(6°C) | 3.5 in(88 mm) | 69% | 5.1 |
| JunJuneBest | 75°F(24°C) | 52°F(11°C) | 4.0 in(101 mm) | 75% | 5.5 |
| JulJuly | 81°F(27°C) | 58°F(15°C) | 4.1 in(103 mm) | 73% | 5.7 |
| AugAugust | 80°F(27°C) | 58°F(14°C) | 3.8 in(96 mm) | 74% | 5.1 |
| SepSeptemberBest | 73°F(23°C) | 50°F(10°C) | 3.6 in(91 mm) | 74% | 4.0 |
| OctOctober | 61°F(16°C) | 39°F(4°C) | 4.3 in(108 mm) | 73% | 2.6 |
| NovNovember | 50°F(10°C) | 30°F(-1°C) | 3.9 in(100 mm) | 71% | 1.7 |
| DecDecember | 39°F(4°C) | 21°F(-6°C) | 4.3 in(110 mm) | 71% | 1.4 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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