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Trieste weather in January

Weather in Trieste: January

Average day temperature: 44.9°F
Average night temperature: 37.0°F
Sea water temperature: 50.5°F
Number of sunny days: 13 days
Day length: 8.8 - 9.7 hours
Number of rainy days: 4 days
Precipitation totals: 2.6 in.

Air temperature in January, °F

Show year:
2025
2024
2023

The highest day temperature during January of 2025 was 55°F. At the same time the lowest night temperature was 32°F. Daily and nightly averages during January were 46.8°F and 40.3°F.

Sea water temperature in Trieste in January, °F

Show year:
2025
2024
2023

The average sea water temperature in January of 2025 was 50.0°F. The highest and lowest sea temperatures during the month were 50.9°F and 48.7°F.

Sunny, partly cloudy and cloudy days

Mostly all days in January are sunny but cloudy days are also possible.

Precipitation total in January, in.

Precipitation total value in Trieste in January is 2.0 in. Other months of the year show relatively similar values.

Wind speed in January, mph

The average wind speed value in January is 5.5 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in January is: 4.6.

Best time for vacation in Trieste

Sunniest months:
August 23 days
July 21 days
June 19 days
Warmest months:
August 84.3 °F
July 83.9 °F
June 79.0 °F
Warmest sea temp:
August 78.3 °F
July 78.1 °F
September 73.7 °F
Coldest months:
January 44.9 °F
December 47.0 °F
February 47.5 °F
Rainiest months:
May 7 days
November 6 days
September 6 days
Windiest months:
February 6.5 mph
March 6.3 mph
November 6.2 mph

Trieste on a weather map

Trieste
+45°F
W 5 mph
Feels like: +41°F
Precip.: 0%
Places in Italy:
Name
°F
+50°F
+55°F
+48°F
+48°F
+52°F
+55°F
+55°F
+54°F
+50°F
+52°F
+50°F
+50°F
+45°F
+55°F
+50°F
24 Hours Forecast
Trieste
Local time: 08:35
December 05, friday
0900
45°F
W
5 mph
1200
48°F
SW
6 mph
1500
48°F
SW
7 mph
1800
45°F
SW
7 mph
2100
43°F
SW
7 mph
December 06, saturday
0000
43°F
SW
7 mph
0300
43°F
SW
6 mph
0600
46°F
SW
6 mph
Units of measurement: °C / °F