World Resorts Sri Lanka Jafna Weather

Jafna weather in December

Weather in Jafna: December

Average day temperature: 83.2°F
Average night temperature: 79.0°F
Sea water temperature: 81.3°F
Number of sunny days: 6 days
Day length: 11.6 - 11.6 hours
Number of rainy days: 9 days
Precipitation totals: 6.1 in.

Air temperature in December, °F

Show year:
2025
2024
2023

The highest day temperature during December of 2025 was 82°F. At the same time the lowest night temperature was 73°F. Daily and nightly averages during December were 79.3°F and 76.4°F.

Sea water temperature in Jafna in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 80.3°F. The highest and lowest sea temperatures during the month were 82.2°F and 78.6°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 Jafna in December is 6.0 in. Other months of the year show relatively similar values.

Wind speed in December, mph

The average wind speed value in December is 12.8 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: 5.3.

Best time for vacation in Jafna

Sunniest months:
March 24 days
April 21 days
May 18 days
Warmest months:
April 90.0 °F
May 89.2 °F
March 87.8 °F
Warmest sea temp:
April 87.6 °F
May 86.6 °F
June 85.1 °F
Coldest months:
January 82.6 °F
December 83.2 °F
February 84.2 °F
Rainiest months:
November 13 days
October 10 days
December 9 days
Windiest months:
June 20.0 mph
September 17.7 mph
August 17.5 mph

Jafna on a weather map

Jafna
+81°F
S 13 mph
Feels like: +82°F
Precip.: 0%
Places in Sri Lanka:
Name
°F
+81°F
+79°F
+79°F
+81°F
+79°F
+79°F
+79°F
+81°F
+79°F
+79°F
+81°F
+79°F
+81°F
+84°F
+81°F
24 Hours Forecast
Jafna
Local time: 09:35
December 28, sunday
1200
81°F
S
14 mph
1500
79°F
S
16 mph
1800
77°F
SW
15 mph
2100
79°F
SW
15 mph
December 29, monday
0000
77°F
SW
14 mph
0300
77°F
SW
13 mph
0600
77°F
S
14 mph
0900
79°F
S
15 mph
Units of measurement: °C / °F