Dewey County Weather in January
Average highs run from 48°F on January 1 to 51°F on January 31, and lows from 22°F to 21°F. Normal precipitation for the month is 0.98 in over about 3 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
- 50°F
- Average low
- 21°F
- Precipitation
- 0.98 in
- Snowfall
- 3.2 in
- Record high
- 85°FJan 22, 1943
- Record low
- -14°FJan 4, 1947
- Chance of a freeze
- 100%
- Daylight
- 9 h 46 min to 10 h 25 min
- Cloud cover
- 52%
- Humidity
- 69%
- Dew point
- 25°F
- Wind
- 11.2 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 | 48°F | 22°F | 71°F 1965 | 5°F 1979 | 11% | 5% |
| Jan 2 | 48°F | 22°F | 77°F 1997 | 3°F 1979 | 11% | 5% |
| Jan 3 | 48°F | 22°F | 74°F 1997 | -3°F 1947 | 11% | 5% |
| Jan 4 | 49°F | 22°F | 73°F 1956 | -14°F 1947 | 10% | 6% |
| Jan 5 | 49°F | 22°F | 76°F 1956 | -11°F 1947 | 10% | 6% |
| Jan 6 | 49°F | 22°F | 67°F 1954 | 3°F 2004 | 10% | 6% |
| Jan 7 | 49°F | 22°F | 75°F 1965 | 0°F 1968 | 10% | 6% |
| Jan 8 | 49°F | 22°F | 74°F 1954 | -7°F 1988 | 10% | 6% |
| Jan 9 | 49°F | 22°F | 74°F 2002 | 1°F 1977 | 10% | 6% |
| Jan 10 | 49°F | 21°F | 75°F 1953 | 1°F 1962 | 10% | 6% |
| Jan 11 | 49°F | 21°F | 74°F 1995 | -8°F 1963 | 10% | 6% |
| Jan 12 | 49°F | 21°F | 70°F 1960 | -5°F 1973 | 10% | 6% |
| Jan 13 | 49°F | 21°F | 76°F 1980 | -3°F 1963 | 10% | 6% |
| Jan 14 | 50°F | 21°F | 75°F 1990 | -5°F 1963 | 10% | 6% |
| Jan 15 | 50°F | 21°F | 72°F 1990 | 1°F 1972 | 10% | 6% |
| Jan 16 | 50°F | 21°F | 78°F 1938 | 5°F 1982 | 10% | 6% |
| Jan 17 | 50°F | 21°F | 71°F 1951 | 5°F 1978 | 10% | 6% |
| Jan 18 | 50°F | 21°F | 75°F 1950 | 2°F 1943 | 10% | 6% |
| Jan 19 | 50°F | 21°F | 76°F 1951 | -9°F 1984 | 10% | 6% |
| Jan 20 | 50°F | 21°F | 82°F 1986 | -1°F 1962 | 10% | 6% |
| Jan 21 | 50°F | 21°F | 75°F 1986 | 1°F 1985 | 10% | 6% |
| Jan 22 | 50°F | 21°F | 85°F 1943 | 0°F 1966 | 10% | 6% |
| Jan 23 | 50°F | 21°F | 77°F 1943 | -5°F 1966 | 11% | 6% |
| Jan 24 | 50°F | 21°F | 75°F 1943 | 3°F 1963 | 11% | 6% |
| Jan 25 | 50°F | 21°F | 83°F 1950 | 3°F 1940 | 11% | 6% |
| Jan 26 | 51°F | 21°F | 75°F 1953 | 4°F 1966 | 11% | 6% |
| Jan 27 | 51°F | 21°F | 76°F 1982 | 0°F 1963 | 11% | 6% |
| Jan 28 | 51°F | 21°F | 73°F 1938 | 4°F 1948 | 11% | 6% |
| Jan 29 | 51°F | 21°F | 78°F 2003 | -1°F 1966 | 11% | 6% |
| Jan 30 | 51°F | 21°F | 72°F 1962 | -1°F 1966 | 11% | 6% |
| Jan 31 | 51°F | 21°F | 75°F 1989 | 2°F 1979 | 11% | 6% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CST).
- January 1
- sunrise 7:47 AM, sunset 5:33 PM
- January 31
- sunrise 7:37 AM, sunset 6:02 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00348708 (Taloga), public domain. Records: NOAA GHCN-Daily, station USC00341909, 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.