Guaratinguetá Weather in January
Average highs run from 27°C on January 1 to 27°C on January 31, and lows from 18°C to 19°C. Normal precipitation for the month is 239 mm over about 25 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
- 27°C
- Average low
- 19°C
- Precipitation
- 239 mm
- Record high
- 35°CJan 28, 1996
- Record low
- 14°CJan 4, 1986
- Daylight
- 13 h 31 min to 13 h 08 min
- Cloud cover
- 77%
- Humidity
- 85%
- Dew point
- 19°C
- Wind
- 7.9 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 | 27°C | 18°C | 18°C 1991 | 84% | |
| Jan 2 | 27°C | 18°C | 18°C 1986 | 83% | |
| Jan 3 | 27°C | 18°C | 17°C 1994 | 82% | |
| Jan 4 | 27°C | 18°C | 14°C 1986 | 82% | |
| Jan 5 | 27°C | 18°C | 18°C 1991 | 83% | |
| Jan 6 | 27°C | 19°C | 16°C 1994 | 83% | |
| Jan 7 | 27°C | 19°C | 17°C 1986 | 84% | |
| Jan 8 | 27°C | 19°C | 18°C 2023 | 84% | |
| Jan 9 | 27°C | 19°C | 18°C 1986 | 84% | |
| Jan 10 | 27°C | 19°C | 17°C 1985 | 83% | |
| Jan 11 | 27°C | 19°C | 17°C 1985 | 84% | |
| Jan 12 | 27°C | 19°C | 19°C 1994 | 84% | |
| Jan 13 | 27°C | 19°C | 18°C 1991 | 83% | |
| Jan 14 | 27°C | 19°C | 32°C 1993 | 18°C 1984 | 83% |
| Jan 15 | 27°C | 19°C | 18°C 1984 | 83% | |
| Jan 16 | 27°C | 19°C | 20°C 1986 | 84% | |
| Jan 17 | 27°C | 19°C | 20°C 1987 | 85% | |
| Jan 18 | 27°C | 19°C | 19°C 1994 | 86% | |
| Jan 19 | 27°C | 19°C | 19°C 1993 | 87% | |
| Jan 20 | 27°C | 19°C | 20°C 2023 | 87% | |
| Jan 21 | 27°C | 19°C | 19°C 1983 | 87% | |
| Jan 22 | 27°C | 19°C | 34°C 1990 | 19°C 1993 | 86% |
| Jan 23 | 27°C | 19°C | 20°C 1995 | 85% | |
| Jan 24 | 27°C | 19°C | 34°C 1996 | 20°C 1995 | 85% |
| Jan 25 | 27°C | 19°C | 19°C 1986 | 84% | |
| Jan 26 | 27°C | 19°C | 17°C 2023 | 84% | |
| Jan 27 | 27°C | 19°C | 19°C 1985 | 83% | |
| Jan 28 | 27°C | 19°C | 35°C 1996 | 17°C 1986 | 83% |
| Jan 29 | 27°C | 19°C | 20°C 1991 | 82% | |
| Jan 30 | 27°C | 19°C | 19°C 1986 | 82% | |
| Jan 31 | 27°C | 19°C | 20°C 1994 | 81% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-3).
- January 1
- sunrise 5:19 AM, sunset 6:50 PM
- January 31
- sunrise 5:40 AM, sunset 6:48 PM
Other months
Sources
Records: NOAA GHCN-Daily, station BR002245032, 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.