Leominster, Massachusetts Weather
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Climate of Leominster: monthly averages
Based on 25 years of satellite and reanalysis data (2001-2025), July is usually the hottest month in Leominster, with average daytime highs around 28°C. January is the coolest, when nights typically fall to about -10°C and frost is possible on the coldest nights. That is a wide yearly range of roughly 37°C, so the seasons feel very different from each other.
The area receives about 1180 mm of rain in a typical year. Most of it falls from April, June to July, October and December, and October is the wettest month at roughly 125 mm.
For outdoor plans and travel, May and August to September usually offer the most comfortable weather in Leominster, with mild days and relatively little rain.
| Month | Avg high | Avg low | Rainfall | Humidity |
|---|---|---|---|---|
| Jan | -1° | -10° | 75 mm | 90% |
| Feb | 1° | -9° | 81 mm | 89% |
| Mar | 5° | -5° | 98 mm | 83% |
| Apr | 13° | 1° | 100 mm | 78% |
| May | 19° | 8° | 92 mm | 77% |
| Jun | 24° | 13° | 115 mm | 78% |
| Jul | 28° | 17° | 100 mm | 75% |
| Aug | 27° | 16° | 98 mm | 73% |
| Sep | 24° | 11° | 98 mm | 74% |
| Oct | 16° | 5° | 125 mm | 79% |
| Nov | 9° | -1° | 91 mm | 82% |
| Dec | 2° | -6° | 109 mm | 87% |
Source: NASA POWER (MERRA-2 reanalysis), averaged over the roughly 50 km grid area around Leominster. Values describe typical conditions, not a forecast.
About Leominster weather
Leominster is one of many towns in Massachusetts's humid continental, coastal New England climate, about 29 km north of Worcester. Before the rains arrive, there's warm summers (June–August). Cooler months mean cold winters (December–February) with regular nor'easter snowstorms. This page shows live, auto-refreshing weather for Leominster: current conditions, an hourly breakdown, a 16-day outlook, a date-lookup tool for any past or future date, and real-time air quality, sourced from Open-Meteo. Local timezone: America/New_York.
Frequently asked questions
Leominster is about 29 km north of Worcester, in Massachusetts.
Leominster sees cold winters (December–February) with regular nor'easter snowstorms.
The live current conditions, hourly forecast and 16-day outlook above are pulled in real time for Leominster's exact coordinates. No fixed schedule, the page updates whenever you load it.
July is usually the hottest month in Leominster, with average daytime highs of about 28°C and nights around 17°C.
The coldest nights come in January, when the average low is about -10°C and daytime highs reach around -1°C. Frost is possible on clear, calm nights.
Leominster receives about 1180 mm of rain in a typical year. October is the wettest month at roughly 125 mm, and the main rainy period is April, June to July, October and December.
May and August to September usually offer the most comfortable weather in Leominster, with mild daytime temperatures and little rain.
In November Leominster typically sees daytime highs near 9°C and lows near -1°C, with about 91 mm of rain over the month and average humidity around 82%. Check the live forecast above for this week's actual conditions.
Up to 16 days ahead using the extended forecast and date picker above; further-out or historical dates use the same date lookup tool.
Live temperature for Leominster is shown at the top of this page and refreshes automatically — see the hourly breakdown below for how it changes through the day.
Leominster's day-to-day weather follows the broader pattern of Massachusetts described above. See the hourly weather forecast or the air quality index for more detail.