San Isidro Weather in January
Average highs run from 23°C on January 1 to 24°C on January 31, and lows from 16°C to 17°C. Normal precipitation for the month is 3 mm over about 0 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
- 23°C
- Average low
- 17°C
- Precipitation
- 3 mm
- Record high
- 33°CJan 21, 1998
- Record low
- 12°CJan 31, 1976
- Daylight
- 12 h 49 min to 12 h 37 min
- Cloud cover
- 82%
- Humidity
- 76%
- Dew point
- 14°C
- Wind
- 11.5 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 | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Jan 1 | 23°C | 16°C | 29°C 1983 | 16°C 1979 | 1% |
| Jan 2 | 23°C | 16°C | 29°C 1987 | 17°C 1982 | 1% |
| Jan 3 | 23°C | 16°C | 29°C 1987 | 15°C 1965 | 1% |
| Jan 4 | 23°C | 16°C | 30°C 1983 | 17°C 1965 | 1% |
| Jan 5 | 23°C | 16°C | 31°C 1983 | 17°C 1965 | 1% |
| Jan 6 | 23°C | 16°C | 31°C 2012 | 16°C 1969 | 1% |
| Jan 7 | 23°C | 16°C | 33°C 1998 | 17°C 1968 | 1% |
| Jan 8 | 23°C | 16°C | 31°C 1998 | 16°C 1968 | 1% |
| Jan 9 | 23°C | 16°C | 30°C 1983 | 17°C 1968 | 1% |
| Jan 10 | 23°C | 16°C | 32°C 1998 | 17°C 1968 | 1% |
| Jan 11 | 23°C | 16°C | 30°C 1983 | 17°C 1967 | 2% |
| Jan 12 | 23°C | 16°C | 32°C 1998 | 18°C 1967 | 2% |
| Jan 13 | 23°C | 16°C | 31°C 1998 | 16°C 1991 | 2% |
| Jan 14 | 23°C | 16°C | 32°C 1998 | 17°C 1991 | 2% |
| Jan 15 | 23°C | 17°C | 32°C 1998 | 18°C 1994 | 3% |
| Jan 16 | 23°C | 17°C | 31°C 1998 | 18°C 1984 | 3% |
| Jan 17 | 23°C | 17°C | 32°C 1998 | 17°C 1993 | 3% |
| Jan 18 | 23°C | 17°C | 29°C 2005 | 16°C 1978 | 2% |
| Jan 19 | 23°C | 17°C | 32°C 1998 | 17°C 1974 | 2% |
| Jan 20 | 23°C | 17°C | 32°C 1998 | 18°C 1967 | 2% |
| Jan 21 | 23°C | 17°C | 33°C 1998 | 18°C 1967 | 2% |
| Jan 22 | 23°C | 17°C | 31°C 1983 | 17°C 1985 | 2% |
| Jan 23 | 23°C | 17°C | 32°C 2017 | 18°C 1985 | 2% |
| Jan 24 | 23°C | 17°C | 31°C 1998 | 18°C 1985 | 2% |
| Jan 25 | 23°C | 17°C | 31°C 1998 | 17°C 1965 | 2% |
| Jan 26 | 24°C | 17°C | 31°C 1983 | 17°C 1967 | 2% |
| Jan 27 | 24°C | 17°C | 31°C 1983 | 17°C 1985 | 2% |
| Jan 28 | 24°C | 17°C | 32°C 1987 | 16°C 1963 | 2% |
| Jan 29 | 24°C | 17°C | 32°C 1998 | 18°C 1963 | 1% |
| Jan 30 | 24°C | 17°C | 32°C 1998 | 16°C 1965 | 1% |
| Jan 31 | 24°C | 17°C | 31°C 2017 | 12°C 1976 | 1% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-5).
- January 1
- sunrise 5:47 AM, sunset 6:36 PM
- January 31
- sunrise 6:03 AM, sunset 6:40 PM
Other months
Sources
Records: NOAA GHCN-Daily, station PEM00084628, 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.