Londonderry Weather in January
Average highs run from 35°F on January 1 to 34°F on January 31, and lows from 16°F to 11°F. Normal precipitation for the month is 3.31 in over about 12 wet days.
January day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
January at a glance
- Average high
- 34°F
- Average low
- 13°F
- Precipitation
- 3.31 in
- Snowfall
- 17.1 in
- Record high
- 70°FJan 13, 2018
- Record low
- -17°FJan 14, 1954
- Chance of a freeze
- 100%
- Daylight
- 9 h 06 min to 9 h 56 min
- Cloud cover
- 66%
- Humidity
- 89%
- Dew point
- 19°F
- Wind
- 6.3 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Jan 1 | 35°F | 16°F | 57°F 2011 | -4°F 2018 | 39% | 23% |
| Jan 2 | 35°F | 15°F | 53°F 2000 | -10°F 2018 | 39% | 23% |
| Jan 3 | 35°F | 15°F | 62°F 2000 | 0°F 2008 | 39% | 23% |
| Jan 4 | 34°F | 15°F | 54°F 2007 | -7°F 2014 | 39% | 24% |
| Jan 5 | 34°F | 15°F | 60°F 2007 | 1°F 2018 | 39% | 24% |
| Jan 6 | 34°F | 15°F | 69°F 2007 | -3°F 2018 | 39% | 24% |
| Jan 7 | 34°F | 14°F | 50°F 2007 | -6°F 2018 | 39% | 24% |
| Jan 8 | 34°F | 14°F | 62°F 2008 | -6°F 2015 | 39% | 24% |
| Jan 9 | 34°F | 14°F | 59°F 2008 | -6°F 2004 | 39% | 25% |
| Jan 10 | 34°F | 14°F | 56°F 2016 | -6°F 2004 | 39% | 25% |
| Jan 11 | 33°F | 14°F | 66°F 2020 | -3°F 2004 | 39% | 25% |
| Jan 12 | 33°F | 13°F | 69°F 2020 | 1°F 2022 | 39% | 25% |
| Jan 13 | 33°F | 13°F | 70°F 2018 | -7°F 1954 | 39% | 25% |
| Jan 14 | 33°F | 13°F | 60°F 2005 | -17°F 1954 | 38% | 25% |
| Jan 15 | 33°F | 13°F | 47°F 2020 | -9°F 2004 | 38% | 25% |
| Jan 16 | 33°F | 13°F | 53°F 1953 | -11°F 2009 | 38% | 26% |
| Jan 17 | 33°F | 12°F | 52°F 1949 | -6°F 2009 | 38% | 26% |
| Jan 18 | 33°F | 12°F | 59°F 2006 | -7°F 1954 | 38% | 26% |
| Jan 19 | 33°F | 12°F | 48°F 1949 | -1°F 2005 | 38% | 26% |
| Jan 20 | 33°F | 12°F | 58°F 2006 | 1°F 2000 | 37% | 26% |
| Jan 21 | 33°F | 12°F | 57°F 2006 | -4°F 2025 | 37% | 26% |
| Jan 22 | 33°F | 12°F | 50°F 1967 | -9°F 2025 | 37% | 26% |
| Jan 23 | 33°F | 12°F | 56°F 1967 | -5°F 2000 | 37% | 26% |
| Jan 24 | 33°F | 12°F | 60°F 1967 | -10°F 2011 | 37% | 26% |
| Jan 25 | 33°F | 12°F | 55°F 2010 | -4°F 2004 | 37% | 26% |
| Jan 26 | 33°F | 11°F | 53°F 1967 | -1°F 2009 | 37% | 26% |
| Jan 27 | 33°F | 11°F | 56°F 2002 | -1°F 2003 | 36% | 26% |
| Jan 28 | 33°F | 11°F | 54°F 2006 | -4°F 2003 | 36% | 26% |
| Jan 29 | 34°F | 11°F | 57°F 2002 | -9°F 2026 | 36% | 26% |
| Jan 30 | 34°F | 11°F | 56°F 2013 | -6°F 1952 | 36% | 26% |
| Jan 31 | 34°F | 11°F | 61°F 2013 | -7°F 1952 | 36% | 26% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EST).
- January 1
- sunrise 7:16 AM, sunset 4:22 PM
- January 31
- sunrise 7:01 AM, sunset 4:57 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00274234 (Hudson 1 Sse), public domain. Records: NOAA GHCN-Daily, station USW00014710, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.