Jafna Weather: January
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Average Day Temperature: | 86.0°F |
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Average Night Temperature: | 80.6°F |
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Sea Water Temperature: | 83.7°F |
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Number of Sunny Days: | 11 days |
| Sunshine Hours: | 11.6 - 11.7 hours | |
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Number of Rainy Days: | 3 days |
| Precipitation Totals: | 2.4 in | |
| detailed information | ||
forecast
| Jafna |
Temperature
| Jafna |
Air Temperature in January, °F
The highest day temperature in January 2026 was 85°F. The lowest night temperature was 74°F. The average values for day and night temperatures during January were 82.6°F и 78.5°F respectivly.
Jafna Water Sea Temperature in January, °F
The average sea surface temperature in January 2026 for Jafna was 82.6°F. The maximum and minimum values were 81.8°F and 83.4°F respectively.
Most of the days in January are cloudy but you can also expect sunny or gloomy days.
Precipitation Totals in January, in
Precipitation total in January for Jafna is 2.4 in. It makes january one of the most rainy months of the year.
The average wind speed in January is 13.5 mph.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Jafna in January is 6.9 hours.
| Ahungalla | ![]() |
+84 |
| Bentota | ![]() |
+82 |
| Beruwela | ![]() |
+82 |
| Colombo | ![]() |
+86 |
| Hambantota | ![]() |
+88 |
| Hikkaduwa | ![]() |
+84 |
| Kalutara | ![]() |
+82 |
| Marawila | ![]() |
+86 |
| Marissa | ![]() |
+90 |
| Negombo | ![]() |
+86 |
| Pasikuda | ![]() |
+84 |
| Tangalle | ![]() |
+90 |
| Trincomalee | ![]() |
+82 |
| Unawatuna | ![]() |
+84 |
| Weligama | ![]() |
+90 |
| 1200 | ![]() |
82°F | SW 12 mph |
| 1500 | ![]() |
82°F | SW 13 mph |
| 1800 | ![]() |
80°F | SW 12 mph |
| 2100 | ![]() |
78°F | SW 14 mph |
| 0000 | ![]() |
78°F | SW 13 mph |
| 0300 | ![]() |
76°F | SW 11 mph |
| 0600 | ![]() |
76°F | SW 9 mph |
| 0900 | ![]() |
80°F | S 11 mph |































