Ratnapura Weather & Climate: Best Time to Visit

In Ratnapura temperatures are generally consistent throughout the year. Average maximum daytime temperatures range from a very warm 31°C (88°F) in March, the warmest time of the year, to a comfortable 28°C (82°F) during cooler months like January.

At night, you can expect temperatures ranging from 23°C (73°F) in March to around 20°C (68°F) during January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Ratnapura experiences significant rainfall throughout the year, averaging 4043 mm (159 in) of precipitation annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, November it receives heavy rainfall, averaging 574 mm (23 in) of precipitation, recorded across 15 rainy days. In contrast, the driest month March brings less rainfall, with 248 mm (9.8 in) over 8 rainy days. For more details, please visit our Ratnapura Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

While the amount of sunshine in Ratnapura varies throughout the year, all seasons offer their own charm. Enjoy up to 9.2 hours of daily sun in March, and experience slightly darker atmosphere in September, with about 6.3 hours of daily sunlight.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The relative humidity is high throughout the year in Ratnapura.

The city experiences its highest humidity in June, reaching 79%. In January, the humidity drops to its lowest level at 69%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year