Climate averages 1991–2020
Nashua weather
in January.
A cold month with moderate precipitation: the coolest and the 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a cold month in Nashua: daytime highs average 0.4°C and nights cool to about -8.4°C. By daytime temperature it is the coolest month of the year.
Expect about 80 mm of precipitation on roughly 10 days, which makes January a month with moderate precipitation (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 9 h 25 min on an average January day.
The nearest other city in this atlas is Lowell (19 km away). In January its highs average 1.1°C, 0.8°C warmer than Nashua, with 80 mm of precipitation.
Among the 498 cities listed in the United States, Nashua ranks 429th of 498 for the warmest January highs and joint 269th of 498 for the driest January (precipitation, lowest first). The mean January high of those 498 cities is 9.5°C; Nashua is 9.1°C cooler than that mean.
From January to February, average highs rise by 1.6°C to 2.0°C, and monthly precipitation falls from 80 mm to 76 mm.
The annual picture
January in context
Monthly precipitation
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Nashua climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 0.4°C-8.4°C | -8.4°C | 80 | 9.6 | 9.49 h |
| February | 2.0°C-7.5°C | -7.5°C | 76 | 8.5 | 10.511 h |
| March | 6.4°C-3.2°C | -3.2°C | 103 | 10.9 | 11.912 h |
| April | 13.3°C3.0°C | 3.0°C | 94 | 10.5 | 13.413 h |
| May | 19.3°C9.1°C | 9.1°C | 81 | 10.8 | 14.615 h |
| June | 24.6°C14.7°C | 14.7°C | 90 | 10.8 | 15.315 h |
| July | 27.9°C18.0°C | 18.0°C | 86 | 10.3 | 15.015 h |
| August | 26.9°C17.3°C | 17.3°C | 85 | 9.6 | 13.914 h |
| September | 22.5°C13.4°C | 13.4°C | 86 | 8.0 | 12.513 h |
| October | 15.5°C7.2°C | 7.2°C | 97 | 9.3 | 11.111 h |
| November | 9.0°C1.5°C | 1.5°C | 86 | 9.4 | 9.810 h |
| December | 3.3°C-4.2°C | -4.2°C | 105 | 10.3 | 9.19 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
January in nearby cities
- Lowell in JanuaryUnited States · 19 kmHigh 1.1°C · Low -7.5°C · 80 mm precipitation
- Manchester, United States in JanuaryUnited States · 26 kmHigh -0.2°C · Low -9.1°C · 78 mm precipitation
- Lawrence (Massachusetts), United States in JanuaryUnited States · 26 kmHigh 1.0°C · Low -7.6°C · 80 mm precipitation
- Newton in JanuaryUnited States · 52 kmHigh 1.7°C · Low -6.6°C · 87 mm precipitation
- Lynn in JanuaryUnited States · 54 kmHigh 1.6°C · Low -5.4°C · 92 mm precipitation
- Boston in JanuaryUnited States · 56 kmHigh 1.5°C · Low -7.2°C · 94 mm precipitation
- Dorchester in JanuaryUnited States · 61 kmHigh 1.7°C · Low -6.3°C · 94 mm precipitation
- Worcester, United States in JanuaryUnited States · 62 kmHigh 0.7°C · Low -7.6°C · 85 mm precipitation
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Nashua) is explained once on the Nashua year overview and on the Sources, method and limits page.