Kalutara Monthly Climate Averages
Kalutara is located in wet tropical or so-called equatorial climate zone, which is known for hot, humid weather and lack of apparent seasonal fluctuation.
To help you choose the best time to travel, you can find climate data below on the weather in Kalutara .
| Month |  day |
 night |
 rain |
 |
| January | +31 | +22.3 | 62 | 12.1h |
| February | +31.2 | +22.7 | 69 | 12.3h |
| March | +31.7 | +23.7 | 130 | 12.4h |
| April | +31.8 | +24.6 | 253 | 12.6h |
| May | +31.1 | +25.5 | 382 | 12.8h |
| June | +30.4 | +25.5 | 186 | 12.9h |
| July | +30 | +25.1 | 125 | 12.8h |
| August | +30 | +25.1 | 114 | 12.7h |
| September | +30.2 | +24.8 | 236 | 12.5h |
| October | +30 | +24 | 369 | 12.3h |
| November | +30.2 | +23.2 | 310 | 12.2h |
| December | +30.4 | +22.8 | 168 | 12.1h |
High season with the best weather conditions for the beach leisure in Kalutara are typically January, February.
Temperature in Kalutara
The table shows that the hottest months in Kalutara are April and March, during which the average daytime temperature reaches +31.8°C and the nighttime temperature falls to +24.6°C.
The coldest months are August and July, when the daily average temperature falls to +30°C, and drops to +25.1°C during the night.
Most booked hotels in Kalutara
Best beach resorts :
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Sea temperature
The month with the highest average monthly temperature in the Indian Ocean on the beaches of Kalutara is May with 29 degrees.
The coldest water can be found in January — 27degrees C.
Precipitation
The largest amount of precipitation falls on average in May and October, up to 382mm, and the least in January and February — up to 62mm.