Horsham Weather in January
Average highs run from 41°F on January 1 to 40°F on January 31, and lows from 23°F to 21°F. Normal precipitation for the month is 3.69 in over about 11 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
- 39°F
- Average low
- 22°F
- Precipitation
- 3.69 in
- Snowfall
- 7.0 in
- Record high
- 76°FJan 7, 2007
- Record low
- -12°FJan 18, 1982
- Chance of a freeze
- 100%
- Daylight
- 9 h 23 min to 10 h 08 min
- Cloud cover
- 63%
- Humidity
- 84%
- Dew point
- 26°F
- Wind
- 8.9 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 | 41°F | 23°F | 64°F 1973 | 4°F 2018 | 35% | 5% |
| Jan 2 | 40°F | 23°F | 64°F 2005 | 3°F 1968 | 35% | 5% |
| Jan 3 | 40°F | 23°F | 62°F 1979 | 6°F 2018 | 35% | 5% |
| Jan 4 | 40°F | 23°F | 62°F 2005 | 4°F 1981 | 35% | 6% |
| Jan 5 | 40°F | 23°F | 64°F 2023 | 4°F 1981 | 35% | 6% |
| Jan 6 | 40°F | 23°F | 66°F 2007 | 6°F 2018 | 35% | 6% |
| Jan 7 | 40°F | 22°F | 76°F 2007 | 1°F 2014 | 35% | 6% |
| Jan 8 | 40°F | 22°F | 69°F 2008 | 2°F 2014 | 35% | 6% |
| Jan 9 | 40°F | 22°F | 68°F 2008 | 0°F 1981 | 35% | 6% |
| Jan 10 | 39°F | 22°F | 62°F 2006 | 0°F 2004 | 35% | 6% |
| Jan 11 | 39°F | 22°F | 65°F 2016 | -4°F 1982 | 35% | 7% |
| Jan 12 | 39°F | 22°F | 68°F 2020 | -3°F 1982 | 35% | 7% |
| Jan 13 | 39°F | 22°F | 65°F 1972 | -1°F 1981 | 35% | 7% |
| Jan 14 | 39°F | 21°F | 68°F 2005 | 1°F 1981 | 34% | 7% |
| Jan 15 | 39°F | 21°F | 64°F 2017 | 2°F 1957 | 34% | 7% |
| Jan 16 | 39°F | 21°F | 64°F 2007 | -2°F 2004 | 34% | 7% |
| Jan 17 | 39°F | 21°F | 62°F 1973 | -8°F 1982 | 34% | 8% |
| Jan 18 | 39°F | 21°F | 64°F 1973 | -12°F 1982 | 34% | 8% |
| Jan 19 | 39°F | 21°F | 63°F 1986 | 0°F 1982 | 34% | 8% |
| Jan 20 | 39°F | 21°F | 57°F 1954 | 4°F 2003 | 34% | 8% |
| Jan 21 | 39°F | 21°F | 62°F 2006 | -5°F 1985 | 34% | 8% |
| Jan 22 | 39°F | 21°F | 64°F 2006 | -5°F 1985 | 34% | 8% |
| Jan 23 | 39°F | 21°F | 66°F 1967 | 0°F 2025 | 34% | 8% |
| Jan 24 | 39°F | 21°F | 70°F 1967 | -1°F 2026 | 34% | 8% |
| Jan 25 | 39°F | 21°F | 72°F 1967 | -1°F 2026 | 33% | 8% |
| Jan 26 | 39°F | 21°F | 70°F 1967 | 4°F 2025 | 33% | 8% |
| Jan 27 | 39°F | 21°F | 65°F 1954 | 5°F 2003 | 33% | 8% |
| Jan 28 | 39°F | 21°F | 66°F 2002 | 2°F 1987 | 33% | 8% |
| Jan 29 | 39°F | 21°F | 68°F 2002 | -1°F 2026 | 33% | 8% |
| Jan 30 | 40°F | 21°F | 72°F 2002 | 0°F 2026 | 33% | 8% |
| Jan 31 | 40°F | 21°F | 68°F 2013 | -4°F 2026 | 33% | 8% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EST).
- January 1
- sunrise 7:23 AM, sunset 4:46 PM
- January 31
- sunrise 7:10 AM, sunset 5:18 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00366194 (Neshaminy Falls), public domain. Records: NOAA GHCN-Daily, station USC00366370, 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.