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Trincomalee weather in December

Weather in Trincomalee: December

Average day temperature: 83.5°F
Average night temperature: 76.8°F
Sea water temperature: 81.8°F
Number of sunny days: 5 days
Day length: 11.6 - 11.7 hours
Number of rainy days: 12 days
Precipitation totals: 9.1 in.

Air temperature in December, °F

Show year:
2024
2023
2022

The highest day temperature during December of 2024 was 86°F. At the same time the lowest night temperature was 75°F. Daily and nightly averages during December were 81.8°F and 78.4°F.

Sea water temperature in Trincomalee in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2024 was 82.5°F. The highest and lowest sea temperatures during the month were 83.7°F and 81.3°F.

Sunny, partly cloudy and cloudy days

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

Precipitation total in December, in.

Precipitation total value in Trincomalee in December is 10.3 in. It makes december one of the most rainy months of the year.

Wind speed in December, mph

The average wind speed value in December is 9.8 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 December is: 5.0.

Best time for vacation in Trincomalee

Sunniest months:
March 20 days
April 20 days
May 17 days
Warmest months:
June 92.4 °F
May 92.1 °F
July 91.8 °F
Warmest sea temp:
May 86.3 °F
April 86.1 °F
June 84.9 °F
Coldest months:
January 82.4 °F
December 83.5 °F
February 84.1 °F
Rainiest months:
October 14 days
November 14 days
December 12 days
Windiest months:
June 16.5 mph
July 15.1 mph
August 14.4 mph

Trincomalee on a weather map

Trincomalee
+79°F
SW 16 mph
Feels like: +84°F
Precip.: 100%
Places in Sri Lanka:
Name
°F
+77°F
+77°F
+77°F
+77°F
+75°F
+77°F
+77°F
+75°F
+77°F
+77°F
+75°F
+79°F
+77°F
+77°F
+77°F
24 Hours Forecast
Trincomalee
Local time: 00:39
December 18, thursday
0300
79°F
SW
16 mph
0600
79°F
SW
16 mph
0900
79°F
SW
16 mph
1200
81°F
S
17 mph
1500
81°F
S
17 mph
1800
79°F
S
15 mph
2100
79°F
S
16 mph
December 19, friday
0000
79°F
S
16 mph
Units of measurement: °C / °F