Weather in Herathhalmillewa in May

General weather information about Herathhalmillewa

Average annual temperature is 26.9 °C

Absolute maximum temperature: 38.5 °C

Absolute minimum temperature: 19.1 °C

Number of sunny days: 84 days

Number of rainy days: 281 days

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* Weather data for Herathhalmillewa Sri Lanka is based on climate observations for 2026 year

Herathhalmillewa air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)28.730.335.236.136.436.037.538.536.834.531.331.6
Average daytime temperature (°C)27.428.731.534.033.134.534.836.533.932.129.328.6
Average temperature (°C)24.024.626.427.728.029.429.229.228.026.225.125.2
Average night temperature (°C)21.321.623.123.825.126.025.925.124.823.322.723.0
Absolute minimum temperature (°C)19.119.422.322.323.324.925.023.923.522.122.222.6

Herathhalmillewa monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)11.011.012.012.012.012.012.012.012.012.011.011.0
Daylight mean duration (h)11.711.812.112.312.512.612.612.412.211.911.711.6
Daylight minimum duration (h)11.011.011.012.012.012.012.012.012.011.011.011.0
Sunshine mean duration (h)9.310.010.710.59.010.69.610.810.09.27.07.4
Precipitation (mm)1179768117131162511760443535371
Sunny days111269101010142000
Rainy days201625212120211728313031
Snow days000000000000

Herathhalmillewa - weather forecast by months

Herathhalmillewa weather in januaryHerathhalmillewa weather in februaryHerathhalmillewa weather in marchHerathhalmillewa weather in aprilHerathhalmillewa weather in mayHerathhalmillewa weather in juneHerathhalmillewa weather in julyHerathhalmillewa weather in augustHerathhalmillewa weather in septemberHerathhalmillewa weather in octoberHerathhalmillewa weather in novemberHerathhalmillewa weather in december

Best time to visit Herathhalmillewa:

The largest precipitation sum in Herathhalmillewa is at

  • October — 443(mm)
  • November — 535(mm)
  • December — 371(mm)

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    Frequently asked questions

    When is the best time to visit Herathhalmillewa?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Herathhalmillewa.
    What is the weather like in Herathhalmillewa?
    See average temperature, rainfall and daylight hours for Herathhalmillewa by month in the table above.
    How many sunny days does Herathhalmillewa have?
    The monthly weather statistics above show sunshine and rainfall patterns for Herathhalmillewa throughout the year.