Mason Weather in January
Average highs run from 60°F on January 1 to 63°F on January 31, and lows from 33°F to 35°F. Normal precipitation for the month is 1.32 in over about 5 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
- 61°F
- Average low
- 34°F
- Precipitation
- 1.32 in
- Snowfall
- 0.1 in
- Record high
- 91°FJan 23, 1943
- Record low
- 0°FJan 31, 1949
- Chance of a freeze
- 100%
- Daylight
- 10 h 12 min to 10 h 43 min
- Cloud cover
- 54%
- Humidity
- 70%
- Dew point
- 36°F
- Wind
- 10.3 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 | 60°F | 33°F | 86°F 1952 | 14°F 2018 | 17% | 1% |
| Jan 2 | 60°F | 33°F | 85°F 2006 | 8°F 1979 | 17% | 1% |
| Jan 3 | 60°F | 33°F | 81°F 2004 | 8°F 1979 | 17% | 1% |
| Jan 4 | 60°F | 33°F | 88°F 2006 | 4°F 1947 | 16% | 1% |
| Jan 5 | 60°F | 33°F | 80°F 1997 | 3°F 1947 | 16% | 1% |
| Jan 6 | 60°F | 33°F | 79°F 1956 | 10°F 1913 | 16% | 1% |
| Jan 7 | 60°F | 33°F | 82°F 1982 | 10°F 1913 | 16% | 1% |
| Jan 8 | 60°F | 33°F | 80°F 2006 | 8°F 1976 | 16% | 1% |
| Jan 9 | 60°F | 33°F | 83°F 1952 | 7°F 2010 | 16% | 1% |
| Jan 10 | 60°F | 33°F | 84°F 1957 | 10°F 1962 | 16% | 1% |
| Jan 11 | 60°F | 33°F | 82°F 2023 | 5°F 1982 | 16% | 1% |
| Jan 12 | 60°F | 33°F | 88°F 1971 | 5°F 1973 | 16% | 1% |
| Jan 13 | 61°F | 33°F | 86°F 2000 | 5°F 1973 | 16% | 1% |
| Jan 14 | 61°F | 33°F | 85°F 1957 | 11°F 1963 | 17% | 1% |
| Jan 15 | 61°F | 33°F | 83°F 1996 | 11°F 2024 | 17% | 1% |
| Jan 16 | 61°F | 33°F | 83°F 1943 | 4°F 2018 | 17% | 1% |
| Jan 17 | 61°F | 33°F | 79°F 1894 | 11°F 1982 | 17% | 1% |
| Jan 18 | 61°F | 34°F | 81°F 1974 | 6°F 1893 | 17% | 1% |
| Jan 19 | 61°F | 34°F | 82°F 1982 | 6°F 1943 | 17% | 0% |
| Jan 20 | 61°F | 34°F | 89°F 2000 | 10°F 1963 | 17% | 0% |
| Jan 21 | 61°F | 34°F | 86°F 1999 | 10°F 1985 | 17% | 0% |
| Jan 22 | 62°F | 34°F | 85°F 1943 | 6°F 1940 | 17% | 0% |
| Jan 23 | 62°F | 34°F | 91°F 1943 | 2°F 1940 | 17% | 0% |
| Jan 24 | 62°F | 34°F | 87°F 2017 | 5°F 1894 | 17% | 0% |
| Jan 25 | 62°F | 34°F | 83°F 1942 | 6°F 1963 | 18% | 0% |
| Jan 26 | 62°F | 34°F | 83°F 1950 | 12°F 1897 | 18% | 0% |
| Jan 27 | 62°F | 34°F | 86°F 1975 | 9°F 1897 | 18% | 0% |
| Jan 28 | 63°F | 34°F | 88°F 1975 | 12°F 1948 | 18% | 0% |
| Jan 29 | 63°F | 34°F | 82°F 1970 | 9°F 1966 | 18% | 0% |
| Jan 30 | 63°F | 35°F | 81°F 1971 | 9°F 1966 | 18% | 0% |
| Jan 31 | 63°F | 35°F | 84°F 1971 | 0°F 1949 | 18% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CST).
- January 1
- sunrise 7:35 AM, sunset 5:47 PM
- January 31
- sunrise 7:29 AM, sunset 6:12 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00415650 (Mason), public domain. Records: NOAA GHCN-Daily, station USC00411017, 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.