San Martín Weather in January
Average highs run from 33°C on January 1 to 32°C on January 31, and lows from 18°C to 18°C. Normal precipitation for the month is 47 mm over about 9 wet days.
January day by day
The normal high and low for each date, and the record, in °C.
- Normal low
- Normal high
- Record high
- Record low
January at a glance
- Average high
- 33°C
- Average low
- 18°C
- Precipitation
- 47 mm
- Record high
- 44°CJan 30, 2003
- Record low
- 8°CJan 10, 1971
- Daylight
- 14 h 17 min to 13 h 42 min
- Cloud cover
- 44%
- Humidity
- 41%
- Dew point
- 9°C
- Wind
- 15.8 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 |
|---|---|---|---|---|---|
| Jan 1 | 33°C | 18°C | 40°C 2007 | 11°C 1982 | 29% |
| Jan 2 | 33°C | 18°C | 40°C 2012 | 12°C 1969 | 29% |
| Jan 3 | 33°C | 18°C | 40°C 1989 | 12°C 2005 | 28% |
| Jan 4 | 33°C | 18°C | 40°C 1974 | 13°C 1965 | 29% |
| Jan 5 | 33°C | 18°C | 38°C 2004 | 13°C 2011 | 30% |
| Jan 6 | 33°C | 18°C | 39°C 2023 | 13°C 1976 | 29% |
| Jan 7 | 33°C | 18°C | 40°C 2008 | 12°C 1998 | 29% |
| Jan 8 | 33°C | 18°C | 39°C 1969 | 10°C 1965 | 30% |
| Jan 9 | 33°C | 18°C | 40°C 2012 | 11°C 1971 | 30% |
| Jan 10 | 33°C | 18°C | 40°C 2006 | 8°C 1971 | 30% |
| Jan 11 | 32°C | 18°C | 40°C 2022 | 9°C 1971 | 29% |
| Jan 12 | 32°C | 18°C | 38°C 1969 | 11°C 1971 | 28% |
| Jan 13 | 32°C | 18°C | 39°C 1965 | 10°C 1978 | 27% |
| Jan 14 | 32°C | 18°C | 42°C 2022 | 12°C 1962 | 26% |
| Jan 15 | 32°C | 18°C | 38°C 2012 | 8°C 1962 | 26% |
| Jan 16 | 32°C | 18°C | 40°C 1967 | 12°C 1962 | 28% |
| Jan 17 | 32°C | 18°C | 42°C 2014 | 11°C 1986 | 28% |
| Jan 18 | 32°C | 18°C | 40°C 2014 | 9°C 1986 | 28% |
| Jan 19 | 32°C | 18°C | 38°C 1998 | 9°C 1967 | 28% |
| Jan 20 | 32°C | 18°C | 39°C 1971 | 9°C 1964 | 30% |
| Jan 21 | 33°C | 18°C | 40°C 2014 | 13°C 1966 | 30% |
| Jan 22 | 33°C | 18°C | 39°C 2016 | 12°C 1967 | 30% |
| Jan 23 | 33°C | 18°C | 40°C 2014 | 13°C 1967 | 30% |
| Jan 24 | 33°C | 18°C | 40°C 2020 | 12°C 1973 | 31% |
| Jan 25 | 33°C | 18°C | 39°C 1969 | 11°C 2014 | 30% |
| Jan 26 | 33°C | 18°C | 39°C 1990 | 11°C 1970 | 31% |
| Jan 27 | 33°C | 18°C | 38°C 2024 | 13°C 1976 | 32% |
| Jan 28 | 32°C | 18°C | 39°C 1969 | 13°C 1964 | 31% |
| Jan 29 | 32°C | 18°C | 42°C 2006 | 12°C 1991 | 31% |
| Jan 30 | 32°C | 18°C | 44°C 2003 | 12°C 1977 | 30% |
| Jan 31 | 32°C | 18°C | 40°C 1998 | 11°C 1988 | 30% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-3).
- January 1
- sunrise 6:29 AM, sunset 8:46 PM
- January 31
- sunrise 6:56 AM, sunset 8:38 PM
Other months
Sources
Records: NOAA GHCN-Daily, station AR000087418, 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.