Leominster Climate by Month
Leominster, Massachusetts, United States
Warm summers and freezing winters, with rain spread through the year.
Warm summers and freezing winters, with rain spread through the year: that's Leominster's climate in short. Afternoon highs range from 34°F (1°C) in January to 82°F (28°C) in July, and January nights average 15°F (-10°C). It gets 46 in (1176 mm) of rain a year, spread across the months.
- Warmest month
- 82°F(28°C)
- Average high, July
- Coldest nights
- 15°F(-10°C)
- Average low, January
- Rain per year
- 46 in(1176 mm)
- No clear rainy season
- Humidity
- 68%
- Sunniest: July
Best and worst months in Leominster
Best for weatherJune and September are the best time for weather in Leominster: highs near 75°F (24°C) and about 3.8 in (98 mm) of rain a month.
Least pleasantJanuary and February are the least pleasant; January is the coldest, with highs of only 34°F (1°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)
Leominster weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 34°F(1°C) | 15°F(-10°C) | 3.4 in(86 mm) | 68% | 1.6 |
| FebFebruary | 36°F(2°C) | 15°F(-9°C) | 3.2 in(81 mm) | 65% | 2.5 |
| MarMarch | 43°F(6°C) | 23°F(-5°C) | 4.2 in(106 mm) | 62% | 3.5 |
| AprApril | 56°F(13°C) | 34°F(1°C) | 3.9 in(100 mm) | 59% | 4.6 |
| MayMay | 67°F(20°C) | 44°F(7°C) | 3.5 in(89 mm) | 67% | 5.1 |
| JunJuneBest | 76°F(24°C) | 53°F(12°C) | 4.0 in(102 mm) | 73% | 5.5 |
| JulJuly | 82°F(28°C) | 59°F(15°C) | 4.1 in(105 mm) | 71% | 5.7 |
| AugAugust | 81°F(27°C) | 59°F(15°C) | 3.9 in(98 mm) | 72% | 5.1 |
| SepSeptemberBest | 74°F(24°C) | 51°F(11°C) | 3.7 in(93 mm) | 72% | 4.0 |
| OctOctober | 62°F(17°C) | 39°F(4°C) | 4.3 in(108 mm) | 71% | 2.6 |
| NovNovember | 51°F(11°C) | 31°F(0°C) | 3.9 in(99 mm) | 69% | 1.8 |
| DecDecember | 40°F(4°C) | 22°F(-6°C) | 4.3 in(109 mm) | 69% | 1.4 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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