Lanka Weather in January
Average highs run from 24°C on January 1 to 25°C on January 31, and lows from 11°C to 11°C. Normal precipitation for the month is 9 mm over about 3 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
- 24°C
- Average low
- 11°C
- Precipitation
- 9 mm
- Reanalysis high
- 29°CJan 3, 2015
- Reanalysis low
- 6°CJan 9, 2013
- Daylight
- 10 h 33 min to 10 h 58 min
- Cloud cover
- 36%
- Humidity
- 66%
- Dew point
- 9°C
- Wind
- 3.6 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 | 24°C | 11°C | 26°C 1997 | 7°C 1992 | 6% |
| Jan 2 | 24°C | 11°C | 29°C 2015 | 7°C 1992 | 7% |
| Jan 3 | 24°C | 11°C | 29°C 2015 | 7°C 1992 | 7% |
| Jan 4 | 24°C | 11°C | 26°C 2002 | 7°C 2004 | 6% |
| Jan 5 | 24°C | 11°C | 27°C 2002 | 7°C 2004 | 6% |
| Jan 6 | 24°C | 11°C | 26°C 2002 | 8°C 1992 | 6% |
| Jan 7 | 24°C | 11°C | 26°C 2019 | 8°C 1992 | 6% |
| Jan 8 | 24°C | 11°C | 26°C 2019 | 8°C 2001 | 6% |
| Jan 9 | 24°C | 11°C | 26°C 2002 | 6°C 2013 | 6% |
| Jan 10 | 24°C | 11°C | 26°C 2017 | 7°C 2013 | 7% |
| Jan 11 | 24°C | 10°C | 26°C 1997 | 7°C 2013 | 7% |
| Jan 12 | 24°C | 10°C | 26°C 1997 | 7°C 1998 | 7% |
| Jan 13 | 24°C | 10°C | 27°C 2015 | 7°C 2001 | 7% |
| Jan 14 | 24°C | 10°C | 27°C 2015 | 7°C 1996 | 8% |
| Jan 15 | 24°C | 10°C | 28°C 2015 | 6°C 1993 | 8% |
| Jan 16 | 24°C | 10°C | 27°C 2015 | 7°C 1993 | 9% |
| Jan 17 | 24°C | 10°C | 28°C 1995 | 7°C 1993 | 9% |
| Jan 18 | 24°C | 10°C | 28°C 2002 | 7°C 1993 | 8% |
| Jan 19 | 24°C | 10°C | 28°C 2002 | 7°C 1993 | 9% |
| Jan 20 | 24°C | 10°C | 27°C 2002 | 6°C 1996 | 9% |
| Jan 21 | 24°C | 11°C | 28°C 2002 | 7°C 1996 | 9% |
| Jan 22 | 24°C | 11°C | 28°C 2002 | 6°C 1993 | 9% |
| Jan 23 | 24°C | 11°C | 27°C 2017 | 6°C 1993 | 10% |
| Jan 24 | 24°C | 11°C | 28°C 2017 | 7°C 1993 | 10% |
| Jan 25 | 24°C | 11°C | 29°C 2017 | 7°C 1997 | 10% |
| Jan 26 | 24°C | 11°C | 29°C 2017 | 7°C 1997 | 10% |
| Jan 27 | 24°C | 11°C | 29°C 2017 | 7°C 2001 | 10% |
| Jan 28 | 25°C | 11°C | 29°C 2007 | 8°C 2016 | 10% |
| Jan 29 | 25°C | 11°C | 29°C 2007 | 8°C 2004 | 10% |
| Jan 30 | 25°C | 11°C | 28°C 2007 | 8°C 2012 | 10% |
| Jan 31 | 25°C | 11°C | 28°C 2006 | 8°C 1997 | 10% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+5:30).
- January 1
- sunrise 6:05 AM, sunset 4:38 PM
- January 31
- sunrise 6:03 AM, sunset 5:01 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.