Climate normals · 1970–2000
Kalmunai Climate
Kalmunai is a city in Sri Lanka (37) with a population of about 100,171. Its average annual temperature is 27.8°C (82°F), with roughly 1675 mm of rain per year.
27.8°C
Avg Temp
1675
Precip (mm/yr)
May
Hottest Month
Jan
Coldest Month
Kalmunai Climate
Kalmunai has an average annual temperature of 27.8°C (82°F) and receives about 1675 mm of precipitation per year. The warmest month is May and the coldest is January. Figures are 1970–2000 climate normals.
27.8°C
Avg Temp
1675
Precip (mm/yr)
May
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 26° / 79° | 319 mm |
| February | 27° / 80° | 204 mm |
| March | 28° / 82° | 82 mm |
| April | 29° / 84° | 69 mm |
| May | 29° / 85° | 36 mm |
| June | 29° / 84° | 22 mm |
| July | 29° / 83° | 34 mm |
| August | 29° / 83° | 38 mm |
| September | 29° / 83° | 41 mm |
| October | 28° / 82° | 150 mm |
| November | 27° / 80° | 288 mm |
| December | 26° / 79° | 392 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Kalmunai
The most comfortable months to visit Kalmunai are typically June, July and August, when temperatures are mildest and rainfall is relatively low. The hottest month is May (around 33°C high). The coldest is January (near 23°C low). December is usually the wettest month.
Where to stay near Kalmunai
Planning a trip to Kalmunai? Compare hotels and short-term rentals — live availability and prices.
Top-rated places to stay near Kalmunai
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a trip to Kalmunai?
Get climate tips and the best lodging deals for Kalmunai by email. No spam, unsubscribe anytime.
Other cities in Sri Lanka
Frequently Asked Questions
The most comfortable months to visit Kalmunai are typically June, July and August, when temperatures are mildest and rainfall is relatively low (1970–2000 climate normals).
Kalmunai, Sri Lanka has an average annual temperature of 27.8°C and about 1675 mm of precipitation per year. The warmest month is May and the coldest is January.
In May, the hottest month, daily highs in Kalmunai average about 33°C (91°F).
Monthly climate normals (1970–2000) sampled from WorldClim 2.1 at ~9 km resolution. Humidity derived from vapor pressure. City coordinates and population from GeoNames.