San Javier Weather in December
Average highs run from 29°C on December 1 to 32°C on December 31, and lows from 16°C to 19°C. Normal precipitation for the month is 133 mm over about 9 wet days.
December day by day
The normal high and low for each date, and the record, in °C.
- Normal low
- Normal high
- Record high
- Record low
December at a glance
- Average high
- 31°C
- Average low
- 17°C
- Precipitation
- 133 mm
- Record high
- 41°CDec 19, 1944
- Record low
- 5°CDec 2, 1943
- Daylight
- 14 h 08 min to 14 h 16 min
- Cloud cover
- 48%
- Humidity
- 63%
- Dew point
- 15°C
- Wind
- 14.8 km/h
Every day of the month
A wet day has at least 1 mm of precipitation in the reanalysis.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Dec 1 | 29°C | 16°C | 37°C 1978 | 7°C 1941 | 31% |
| Dec 2 | 29°C | 16°C | 38°C 1937 | 5°C 1943 | 30% |
| Dec 3 | 29°C | 16°C | 36°C 1954 | 7°C 1970 | 30% |
| Dec 4 | 29°C | 16°C | 39°C 1954 | 5°C 1938 | 29% |
| Dec 5 | 30°C | 16°C | 38°C 1949 | 5°C 1939 | 30% |
| Dec 6 | 30°C | 16°C | 38°C 1988 | 6°C 1939 | 32% |
| Dec 7 | 30°C | 16°C | 37°C 1954 | 8°C 1982 | 32% |
| Dec 8 | 30°C | 16°C | 37°C 1942 | 9°C 2024 | 32% |
| Dec 9 | 30°C | 16°C | 36°C 1948 | 9°C 1936 | 34% |
| Dec 10 | 30°C | 16°C | 37°C 1994 | 7°C 1938 | 33% |
| Dec 11 | 30°C | 16°C | 39°C 1968 | 7°C 1959 | 31% |
| Dec 12 | 30°C | 17°C | 37°C 1994 | 8°C 1940 | 32% |
| Dec 13 | 30°C | 17°C | 37°C 1944 | 8°C 1937 | 32% |
| Dec 14 | 30°C | 17°C | 39°C 1944 | 10°C 1964 | 34% |
| Dec 15 | 31°C | 17°C | 37°C 1949 | 8°C 1958 | 35% |
| Dec 16 | 31°C | 17°C | 40°C 1995 | 9°C 1979 | 36% |
| Dec 17 | 31°C | 17°C | 38°C 1967 | 7°C 1947 | 36% |
| Dec 18 | 31°C | 17°C | 40°C 1995 | 7°C 1947 | 36% |
| Dec 19 | 31°C | 17°C | 41°C 1944 | 9°C 1952 | 37% |
| Dec 20 | 31°C | 18°C | 41°C 1995 | 8°C 1960 | 36% |
| Dec 21 | 31°C | 18°C | 40°C 1950 | 7°C 1955 | 34% |
| Dec 22 | 31°C | 18°C | 37°C 1937 | 8°C 1965 | 34% |
| Dec 23 | 31°C | 18°C | 41°C 1962 | 8°C 1966 | 34% |
| Dec 24 | 31°C | 18°C | 39°C 1955 | 9°C 1956 | 33% |
| Dec 25 | 31°C | 18°C | 41°C 1937 | 9°C 1959 | 33% |
| Dec 26 | 31°C | 18°C | 38°C 1952 | 10°C 1953 | 32% |
| Dec 27 | 31°C | 18°C | 40°C 1952 | 10°C 1953 | 32% |
| Dec 28 | 31°C | 19°C | 39°C 1967 | 9°C 1939 | 33% |
| Dec 29 | 32°C | 19°C | 41°C 1962 | 8°C 1964 | 32% |
| Dec 30 | 32°C | 19°C | 39°C 1967 | 10°C 1949 | 31% |
| Dec 31 | 32°C | 19°C | 41°C 1942 | 10°C 1979 | 31% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-3).
- December 1
- sunrise 5:38 AM, sunset 7:46 PM
- December 31
- sunrise 5:48 AM, sunset 8:04 PM
Other months
Sources
Records: NOAA GHCN-Daily, station UY000086430, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine, and temperature and precipitation: 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.