Biyagama Climate by Month
Biyagama maintains a fairly consistent very warm average temperature.
It also has a notably wet climate with much precipitation.
Let’s explore the climate details in depth to provide you with a complete overview.
Average day and night temperature
In Biyagama temperatures are generally consistent throughout the year. Average daytime temperatures range from a very warm 34°C in March, the warmest time of the year, to a very warm 31°C during cooler months like January. At night, temperatures typically average around 23°C during these months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Biyagama experiences significant rainfall throughout the year, averaging 2760 mm of precipitation annually. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, October receives heavy rainfall, averaging 374 mm of precipitation, recorded across 16 rainy days. In contrast, the drier season, January brings less rainfall, with 78 mm over 5 rainy days.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
While the amount of sunshine in Biyagama 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.Monthly hours of sunshine
Daily hours of sunshine
Average water temperature
The mean water temperature over the year in Biyagama ranges from 26°C in August to 28°C in January.
Water temperature over the year
Average humidity
The relative humidity is moderate throughout the year in Biyagama.
Relative humidity over the year
Average wind speed
The mean wind speed over the year in Biyagama ranges from 1°C in February to 2°C in January.
The mean monthly wind speed over the year (meters per second)
The best time of year to visit Biyagama in Sri Lanka
Biyagama has high temperatures year round ranging between 30°C and 34°C.Other facts from our historical weather data:
March has an average maximum temperature of 34°C and is the hottest month of the year.
The coolest month is January with an average maximum temperature of 31°C.
October tops the wettest month list with 374 mm of rainfall.
January is the driest month with 78 mm of precipitation.
March is the sunniest month with an average of 276 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
