Kalmunai weather
At 12:45 AM local time it was cloudy and 24°C (76°F). Light rain for 4 of the next 24 hours (under 1 mm/h, 1.0 mm total) — cloudy, but fine to be out. Best months for weather: Feb–Sep. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Kalmunai, Eastern Province, Sri Lanka.
Current conditions
- Clouds
- 99%
- Chance of rain
- 4%
- Rain
- 0.0 mm/h
Hourly Forecast
Light rain for 4 of the next 24 hours (under 1 mm/h, 1.0 mm total) — cloudy, but fine to be out
Daily Forecast
Best Time to Visit
Peak season Feb–SepOff season Nov–Dec
About Kalmunai weather
Is it raining in Kalmunai right now?
No. It’s cloudy and 24° right now. Light rain for 4 of the next 24 hours (under 1 mm/h, 1.0 mm total) — cloudy, but fine to be out.
What’s the weather like in Kalmunai this week?
Over the next 7 days, expect highs of 30–31° and lows of 24–24°. Rain is likely on 7 of 7 days (Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday). The driest day looks like Wednesday.
Has it been raining in Kalmunai lately?
In the past 7 days, Kalmunai had 6 rainy days and 82.2 mm of rain in total.
What should I pack for Kalmunai?
For the coming week, bring an umbrella or rain jacket, light, breathable clothes and sunscreen.
Kalmunai weather by month
When is the best time to visit Kalmunai?
Based on weather alone, the best time to visit Kalmunai is Feb–Sep, according to NASA's 2001–2025 climate averages. Nov–Dec tends to be the least pleasant. Average highs run from 27°C (81°F) in January to 32°C (90°F) in August.
What is the rainiest month in Kalmunai?
December is the wettest month, with about 309 mm (12.2 in) of rain on average. July is the driest, with about 46 mm (1.8 in).
What is the hottest month in Kalmunai?
August is the warmest, with average highs of 32°C (90°F) and lows of 27°C (80°F). January is the coolest, with highs of 27°C (81°F) and lows of 25°C (77°F).
Does Kalmunai have a rainy season?
Yes. Oct–Jan is the rainy season (150 mm or more a month), while Jun–Aug is usually dry (under 60 mm).
How warm is the sea in Kalmunai?
The sea is warmest in May at about 31°C (88°F) and coolest in January at about 28°C (82°F). It is warm enough for swimming all year.
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), sea temperature from Open-Meteo Marine, forecast and current conditions from Open-Meteo. Page updated . How we rate months