Santarém Weather in January
Average highs run from 31°C on January 1 to 29°C on January 31, and lows from 25°C to 24°C. Normal precipitation for the month is 198 mm over about 22 wet days.
January day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
January at a glance
- Average high
- 30°C
- Average low
- 25°C
- Precipitation
- 198 mm
- Reanalysis high
- 37°CJan 24, 2016
- Reanalysis low
- 23°CJan 23, 1991
- Daylight
- 12 h 15 min to 12 h 13 min
- Cloud cover
- 80%
- Humidity
- 79%
- Dew point
- 23°C
- Wind
- 5.8 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 | Reanalysis high | Reanalysis low | Chance wet |
|---|---|---|---|---|---|
| Jan 1 | 31°C | 25°C | 35°C 2002 | 23°C 1991 | 64% |
| Jan 2 | 31°C | 25°C | 36°C 2016 | 23°C 1991 | 64% |
| Jan 3 | 31°C | 25°C | 37°C 2016 | 24°C 2011 | 65% |
| Jan 4 | 31°C | 25°C | 36°C 2016 | 23°C 1994 | 65% |
| Jan 5 | 31°C | 25°C | 36°C 2016 | 23°C 1994 | 66% |
| Jan 6 | 31°C | 25°C | 36°C 2016 | 24°C 1994 | 67% |
| Jan 7 | 31°C | 25°C | 37°C 1998 | 23°C 2008 | 67% |
| Jan 8 | 31°C | 25°C | 36°C 1998 | 23°C 2019 | 68% |
| Jan 9 | 31°C | 25°C | 35°C 2007 | 23°C 2009 | 68% |
| Jan 10 | 31°C | 25°C | 35°C 1992 | 23°C 2018 | 70% |
| Jan 11 | 30°C | 25°C | 36°C 1998 | 23°C 2001 | 72% |
| Jan 12 | 30°C | 25°C | 36°C 2005 | 23°C 2019 | 73% |
| Jan 13 | 30°C | 25°C | 35°C 2005 | 23°C 2001 | 74% |
| Jan 14 | 30°C | 25°C | 35°C 2005 | 23°C 2000 | 74% |
| Jan 15 | 30°C | 25°C | 35°C 2007 | 23°C 2000 | 76% |
| Jan 16 | 30°C | 25°C | 36°C 2016 | 23°C 2001 | 75% |
| Jan 17 | 30°C | 25°C | 36°C 2016 | 23°C 2015 | 76% |
| Jan 18 | 30°C | 25°C | 37°C 2007 | 23°C 2017 | 76% |
| Jan 19 | 30°C | 25°C | 35°C 2016 | 23°C 2017 | 77% |
| Jan 20 | 30°C | 25°C | 34°C 2003 | 23°C 2000 | 78% |
| Jan 21 | 30°C | 25°C | 36°C 2007 | 23°C 2001 | 79% |
| Jan 22 | 30°C | 25°C | 36°C 2016 | 23°C 1991 | 79% |
| Jan 23 | 30°C | 25°C | 36°C 2007 | 23°C 1991 | 80% |
| Jan 24 | 29°C | 25°C | 37°C 2016 | 23°C 2001 | 81% |
| Jan 25 | 29°C | 25°C | 35°C 2007 | 23°C 2015 | 80% |
| Jan 26 | 29°C | 25°C | 35°C 2007 | 23°C 1997 | 80% |
| Jan 27 | 29°C | 24°C | 35°C 2007 | 23°C 1993 | 82% |
| Jan 28 | 29°C | 24°C | 35°C 1998 | 24°C 2011 | 83% |
| Jan 29 | 29°C | 24°C | 36°C 2007 | 23°C 2011 | 83% |
| Jan 30 | 29°C | 24°C | 36°C 2007 | 23°C 2011 | 84% |
| Jan 31 | 29°C | 24°C | 34°C 2007 | 23°C 2011 | 84% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-3).
- January 1
- sunrise 6:35 AM, sunset 6:50 PM
- January 31
- sunrise 6:46 AM, sunset 6:59 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.