Trieste Weather in January
Average highs run from 6°C on January 1 to 6°C on January 31, and lows from 2°C to 1°C. Normal precipitation for the month is 62 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
- 6°C
- Average low
- 1°C
- Precipitation
- 62 mm
- Record high
- 18°CJan 8, 2018
- Record low
- -9°CJan 29, 1985
- Daylight
- 8 h 45 min to 9 h 42 min
- Cloud cover
- 69%
- Humidity
- 83%
- Dew point
- 1°C
- Wind
- 13.3 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 | 6°C | 2°C | 15°C 2020 | -1°C 2015 | 33% |
| Jan 2 | 6°C | 2°C | 14°C 2020 | -2°C 1971 | 32% |
| Jan 3 | 6°C | 2°C | 14°C 2007 | -5°C 1979 | 30% |
| Jan 4 | 6°C | 2°C | 12°C 2003 | -5°C 1979 | 30% |
| Jan 5 | 6°C | 2°C | 15°C 2024 | -1°C 2004 | 29% |
| Jan 6 | 6°C | 2°C | 15°C 2013 | -3°C 1978 | 28% |
| Jan 7 | 7°C | 2°C | 15°C 2013 | -7°C 1985 | 28% |
| Jan 8 | 7°C | 2°C | 18°C 2018 | -3°C 1981 | 28% |
| Jan 9 | 7°C | 2°C | 16°C 2018 | -7°C 1985 | 26% |
| Jan 10 | 7°C | 2°C | 15°C 2011 | -3°C 1967 | 26% |
| Jan 11 | 7°C | 2°C | 17°C 1995 | -7°C 2017 | 26% |
| Jan 12 | 7°C | 2°C | 15°C 2016 | -5°C 1987 | 26% |
| Jan 13 | 7°C | 2°C | 15°C 2007 | -6°C 1968 | 26% |
| Jan 14 | 7°C | 2°C | 15°C 1978 | -5°C 1968 | 26% |
| Jan 15 | 7°C | 2°C | 13°C 2008 | -4°C 1985 | 26% |
| Jan 16 | 6°C | 2°C | 14°C 2019 | -1°C 1985 | 27% |
| Jan 17 | 6°C | 1°C | 14°C 2020 | -5°C 1981 | 27% |
| Jan 18 | 6°C | 1°C | 15°C 2022 | -2°C 1979 | 26% |
| Jan 19 | 6°C | 1°C | 14°C 1975 | -2°C 1979 | 26% |
| Jan 20 | 6°C | 1°C | 14°C 1975 | -1°C 2016 | 27% |
| Jan 21 | 6°C | 1°C | 14°C 2014 | 0°C 2016 | 28% |
| Jan 22 | 6°C | 1°C | 13°C 1973 | -1°C 1992 | 27% |
| Jan 23 | 6°C | 1°C | 15°C 2007 | -4°C 2006 | 28% |
| Jan 24 | 6°C | 1°C | 13°C 2003 | -1°C 2010 | 28% |
| Jan 25 | 6°C | 1°C | 14°C 2008 | -6°C 2006 | 28% |
| Jan 26 | 6°C | 1°C | 13°C 2025 | -5°C 1973 | 28% |
| Jan 27 | 6°C | 1°C | 14°C 2007 | -2°C 2010 | 28% |
| Jan 28 | 6°C | 1°C | 15°C 2025 | -2°C 1976 | 28% |
| Jan 29 | 6°C | 1°C | 15°C 2025 | -9°C 1985 | 28% |
| Jan 30 | 6°C | 1°C | 13°C 2006 | 0°C 2017 | 29% |
| Jan 31 | 6°C | 1°C | 15°C 1971 | -4°C 1987 | 28% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+1).
- January 1
- sunrise 7:46 AM, sunset 4:31 PM
- January 31
- sunrise 7:28 AM, sunset 5:10 PM
Other months
Sources
Records: NOAA GHCN-Daily, station ITM00016110, 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.