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Trieste weather in December

Weather in Trieste: December

Average day temperature: 47.0°F
Average night temperature: 39.5°F
Sea water temperature: 55.0°F
Number of sunny days: 14 days
Day length: 8.7 - 9.0 hours
Number of rainy days: 5 days
Precipitation totals: 3.8 in.

Air temperature in December, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
9
18
27
36
45
54
63
72
Day temperature   
Night temperature

The highest day temperature during December of 2024 was 53°F. At the same time the lowest night temperature was 33°F. Daily and nightly averages during December were 47.0°F and 39.1°F.

Sea water temperature in Trieste in December, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
47
50
53
56
59
62
65

The average sea water temperature in December of 2024 was 55.7°F. The highest and lowest sea temperatures during the month were 59.0°F and 51.4°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
40%
17%
43%

Mostly all days in December are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in December, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.8
1.6
2.3
3.1
3.9
4.7
5.4
4.3
3.4
4.5
2.9
2.9
2.8
4.4
3.1
2.3
2.9
2.0
4.5
4.3
3.4
4.5
2.9
2.9
2.8
4.4
3.1
2.3
2.9
2.0

Precipitation total value in Trieste in December is 4.5 in. Other months of the year show relatively similar values.

Wind speed in December, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.1
2.1
3.2
4.3
5.4
6.4
7.5
8.6
6.1
5.7
5.8
5.4
5.1
4.8
5.4
6.1
6.2
5.9
5.5
5.1
6.1
5.7
5.8
5.4
5.1
4.8
5.4
6.1
6.2
5.9
5.5

The average wind speed value in December is 5.1 mph It makes December one of the least windy months of the year.

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.9
3.7
5.6
7.4
9.3
11.1
13.0
4.9
6.4
8.3
10.2
10.8
10.8
7.6
7.0
6.9
5.2
4.6
4.1
4.9
6.4
8.3
10.2
10.8
10.8
7.6
7.0
6.9
5.2
4.6

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 December is: 4.1.

Best time for vacation in Trieste

Sunniest months:
August 23 days
July 21 days
June 19 days
Warmest months:
August 84.5 °F
July 84.3 °F
June 78.7 °F
Warmest sea temp:
August 78.4 °F
July 78.0 °F
September 73.6 °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

Leaflet | Tiles © Esri
Places in Italy:
Name
°F
+63°F
+61°F
+59°F
+59°F
+57°F
+52°F
+61°F
+63°F
+61°F
+63°F
+57°F
+57°F
+59°F
24 Hours Forecast
Trieste
Local time: 20:19
April 16, wednesday
2100
57°F
SW
4 mph
April 17, thursday
0000
57°F
W
4 mph
0300
55°F
SW
6 mph
0600
55°F
SW
6 mph
0900
63°F
SW
9 mph
1200
64°F
NW
11 mph
1500
59°F
NW
8 mph
1800
57°F
NW
9 mph
Units of measurement: °C / °F