Rivas Weather in December
Average highs run from 30°C on December 1 to 30°C on December 31, and lows from 25°C to 25°C. Normal precipitation for the month is 6 mm over about 0 wet days.
December day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
December at a glance
- Average high
- 30°C
- Average low
- 25°C
- Precipitation
- 6 mm
- Reanalysis high
- 32°CDec 13, 1994
- Reanalysis low
- 21°CDec 28, 1999
- Daylight
- 11 h 31 min to 11 h 28 min
- Cloud cover
- 49%
- Humidity
- 75%
- Dew point
- 22°C
- Wind
- 29.5 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 | Reanalysis high | Reanalysis low | Chance wet |
|---|---|---|---|---|---|
| Dec 1 | 30°C | 25°C | 32°C 1993 | 23°C 1999 | 11% |
| Dec 2 | 30°C | 25°C | 32°C 1993 | 22°C 1999 | 10% |
| Dec 3 | 30°C | 25°C | 31°C 1992 | 22°C 1999 | 8% |
| Dec 4 | 30°C | 25°C | 32°C 1993 | 23°C 1999 | 6% |
| Dec 5 | 30°C | 25°C | 32°C 1994 | 24°C 2010 | 6% |
| Dec 6 | 30°C | 25°C | 32°C 1994 | 24°C 2010 | 6% |
| Dec 7 | 30°C | 25°C | 32°C 1994 | 23°C 2010 | 5% |
| Dec 8 | 30°C | 25°C | 32°C 1993 | 23°C 2010 | 5% |
| Dec 9 | 30°C | 25°C | 32°C 1993 | 23°C 2010 | 6% |
| Dec 10 | 30°C | 25°C | 32°C 1994 | 23°C 2010 | 6% |
| Dec 11 | 30°C | 25°C | 32°C 1994 | 22°C 2010 | 5% |
| Dec 12 | 30°C | 25°C | 32°C 1994 | 23°C 2017 | 4% |
| Dec 13 | 30°C | 25°C | 32°C 1994 | 22°C 2008 | 4% |
| Dec 14 | 30°C | 25°C | 32°C 1994 | 22°C 2010 | 4% |
| Dec 15 | 30°C | 25°C | 32°C 1993 | 21°C 2010 | 4% |
| Dec 16 | 30°C | 25°C | 32°C 1993 | 22°C 2010 | 4% |
| Dec 17 | 30°C | 25°C | 31°C 2003 | 22°C 2010 | 4% |
| Dec 18 | 30°C | 25°C | 32°C 2015 | 23°C 1997 | 4% |
| Dec 19 | 30°C | 25°C | 32°C 2015 | 23°C 2008 | 4% |
| Dec 20 | 30°C | 25°C | 32°C 2015 | 24°C 2010 | 4% |
| Dec 21 | 30°C | 25°C | 32°C 2015 | 23°C 2008 | 3% |
| Dec 22 | 30°C | 25°C | 32°C 1994 | 23°C 2010 | 3% |
| Dec 23 | 30°C | 25°C | 32°C 1994 | 22°C 2010 | 2% |
| Dec 24 | 30°C | 25°C | 32°C 2015 | 23°C 2010 | 2% |
| Dec 25 | 30°C | 25°C | 32°C 2015 | 23°C 2010 | 2% |
| Dec 26 | 30°C | 25°C | 32°C 2015 | 23°C 1999 | 2% |
| Dec 27 | 30°C | 25°C | 31°C 1997 | 22°C 1999 | 2% |
| Dec 28 | 30°C | 25°C | 32°C 1992 | 21°C 1999 | 1% |
| Dec 29 | 30°C | 25°C | 32°C 1997 | 22°C 1999 | 1% |
| Dec 30 | 30°C | 25°C | 32°C 2015 | 22°C 1999 | 1% |
| Dec 31 | 30°C | 25°C | 32°C 2015 | 22°C 1999 | 1% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (CST).
- December 1
- sunrise 5:47 AM, sunset 5:18 PM
- December 31
- sunrise 6:02 AM, sunset 5:30 PM
Other months
Sources
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.