Tacna Weather in December
Average highs run from 72°F on December 1 to 69°F on December 31, and lows from 38°F to 36°F. Normal precipitation for the month is 0.38 in over about 2 wet days.
December day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
December at a glance
- Average high
- 69°F
- Average low
- 36°F
- Precipitation
- 0.38 in
- Record high
- 85°FDec 4, 1995
- Record low
- 25°FDec 26, 1990
- Chance of a freeze
- 96%
- Daylight
- 10 h 10 min to 10 h 02 min
- Cloud cover
- 40%
- Humidity
- 46%
- Dew point
- 30°F
- Wind
- 7.4 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 |
|---|---|---|---|---|---|
| Dec 1 | 72°F | 38°F | 83°F 2021 | 32°F 1996 | 5% |
| Dec 2 | 72°F | 38°F | 83°F 1959 | 31°F 1991 | 5% |
| Dec 3 | 71°F | 38°F | 84°F 1958 | 31°F 1996 | 5% |
| Dec 4 | 71°F | 38°F | 85°F 1995 | 34°F 1996 | 5% |
| Dec 5 | 71°F | 38°F | 83°F 1995 | 34°F 2020 | 5% |
| Dec 6 | 70°F | 37°F | 82°F 1966 | 34°F 1972 | 5% |
| Dec 7 | 70°F | 37°F | 80°F 1979 | 32°F 2005 | 5% |
| Dec 8 | 70°F | 37°F | 81°F 1989 | 32°F 1976 | 5% |
| Dec 9 | 69°F | 37°F | 82°F 1962 | 30°F 1976 | 6% |
| Dec 10 | 69°F | 37°F | 83°F 1995 | 31°F 1960 | 6% |
| Dec 11 | 69°F | 36°F | 81°F 2025 | 31°F 1974 | 6% |
| Dec 12 | 69°F | 36°F | 82°F 1958 | 28°F 1972 | 6% |
| Dec 13 | 69°F | 36°F | 82°F 2010 | 30°F 1989 | 6% |
| Dec 14 | 68°F | 36°F | 79°F 1958 | 31°F 1963 | 6% |
| Dec 15 | 68°F | 36°F | 80°F 1977 | 28°F 1987 | 6% |
| Dec 16 | 68°F | 36°F | 82°F 1980 | 30°F 2005 | 6% |
| Dec 17 | 68°F | 36°F | 80°F 1979 | 31°F 2001 | 7% |
| Dec 18 | 68°F | 36°F | 80°F 1980 | 31°F 1990 | 7% |
| Dec 19 | 68°F | 36°F | 78°F 1980 | 33°F 1968 | 7% |
| Dec 20 | 68°F | 36°F | 79°F 1980 | 31°F 1996 | 7% |
| Dec 21 | 68°F | 36°F | 78°F 1955 | 29°F 1968 | 7% |
| Dec 22 | 68°F | 36°F | 78°F 1980 | 26°F 1968 | 7% |
| Dec 23 | 68°F | 36°F | 80°F 1955 | 27°F 1990 | 7% |
| Dec 24 | 68°F | 36°F | 81°F 1964 | 30°F 1976 | 7% |
| Dec 25 | 68°F | 36°F | 78°F 2005 | 30°F 1990 | 7% |
| Dec 26 | 68°F | 36°F | 81°F 1980 | 25°F 1990 | 7% |
| Dec 27 | 68°F | 36°F | 81°F 1980 | 28°F 1987 | 7% |
| Dec 28 | 68°F | 36°F | 81°F 1980 | 30°F 1974 | 7% |
| Dec 29 | 68°F | 36°F | 84°F 1980 | 31°F 2014 | 7% |
| Dec 30 | 68°F | 36°F | 83°F 1980 | 29°F 1988 | 7% |
| Dec 31 | 69°F | 36°F | 78°F 1980 | 29°F 1972 | 7% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (MST).
- December 1
- sunrise 7:20 AM, sunset 5:30 PM
- December 31
- sunrise 7:38 AM, sunset 5:40 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00028396 (Tacna 3 Ne), public domain. Records: NOAA GHCN-Daily, station USW00003125, 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.