Casa Grande Weather in January
Average highs run from 67°F on January 1 to 70°F on January 31, and lows from 38°F to 40°F. Normal precipitation for the month is 0.79 in over about 4 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
- 69°F
- Average low
- 39°F
- Precipitation
- 0.79 in
- Record high
- 88°FJan 30, 1940
- Record low
- 17°FJan 3, 1950
- Chance of a freeze
- 83%
- Daylight
- 10 h 02 min to 10 h 36 min
- Cloud cover
- 42%
- Humidity
- 48%
- Dew point
- 31°F
- Wind
- 6.7 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Jan 1 | 67°F | 38°F | 81°F 1981 | 20°F 1976 | 12% |
| Jan 2 | 67°F | 38°F | 82°F 2006 | 19°F 1919 | 12% |
| Jan 3 | 67°F | 38°F | 80°F 1909 | 17°F 1950 | 12% |
| Jan 4 | 67°F | 38°F | 79°F 1909 | 19°F 1950 | 12% |
| Jan 5 | 68°F | 38°F | 80°F 1927 | 18°F 1950 | 12% |
| Jan 6 | 68°F | 39°F | 82°F 2006 | 21°F 1950 | 12% |
| Jan 7 | 68°F | 39°F | 82°F 2006 | 19°F 1971 | 12% |
| Jan 8 | 68°F | 39°F | 86°F 1927 | 19°F 1971 | 12% |
| Jan 9 | 68°F | 39°F | 81°F 1996 | 21°F 1930 | 11% |
| Jan 10 | 68°F | 39°F | 84°F 1948 | 22°F 1944 | 11% |
| Jan 11 | 68°F | 39°F | 82°F 1953 | 22°F 1964 | 11% |
| Jan 12 | 68°F | 39°F | 83°F 1953 | 21°F 1964 | 11% |
| Jan 13 | 68°F | 39°F | 81°F 1986 | 20°F 1963 | 11% |
| Jan 14 | 69°F | 39°F | 79°F 1908 | 20°F 1963 | 11% |
| Jan 15 | 69°F | 39°F | 85°F 2000 | 17°F 2007 | 11% |
| Jan 16 | 69°F | 39°F | 83°F 1940 | 21°F 1964 | 11% |
| Jan 17 | 69°F | 39°F | 82°F 1976 | 23°F 2006 | 11% |
| Jan 18 | 69°F | 39°F | 81°F 1921 | 20°F 1928 | 11% |
| Jan 19 | 69°F | 39°F | 86°F 1971 | 21°F 1928 | 11% |
| Jan 20 | 69°F | 39°F | 86°F 1986 | 21°F 1935 | 11% |
| Jan 21 | 69°F | 39°F | 83°F 2009 | 17°F 1937 | 12% |
| Jan 22 | 69°F | 40°F | 80°F 1967 | 18°F 1937 | 12% |
| Jan 23 | 70°F | 40°F | 79°F 1986 | 17°F 1937 | 12% |
| Jan 24 | 70°F | 40°F | 81°F 1908 | 18°F 1932 | 12% |
| Jan 25 | 70°F | 40°F | 85°F 1908 | 19°F 1937 | 12% |
| Jan 26 | 70°F | 40°F | 85°F 1951 | 23°F 1926 | 12% |
| Jan 27 | 70°F | 40°F | 87°F 1908 | 22°F 1904 | 12% |
| Jan 28 | 70°F | 40°F | 83°F 1908 | 17°F 1932 | 12% |
| Jan 29 | 70°F | 40°F | 85°F 1935 | 20°F 1932 | 12% |
| Jan 30 | 70°F | 40°F | 88°F 1940 | 21°F 1979 | 12% |
| Jan 31 | 70°F | 40°F | 85°F 2003 | 23°F 1979 | 12% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (MST).
- January 1
- sunrise 7:30 AM, sunset 5:32 PM
- January 31
- sunrise 7:23 AM, sunset 5:59 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00021306 (Casa Grande), public domain. Records: NOAA GHCN-Daily, station USC00021306, 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.