Best year time to visit Thannamunai

General weather information about Thannamunai

Average annual temperature is 27.6 °C

Absolute maximum temperature: 37.6 °C

Absolute minimum temperature: 21.3 °C

Number of sunny days: 56 days

Number of rainy days: 309 days

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

Thannamunai air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)29.530.032.034.235.136.637.636.333.731.430.230.7
Average daytime temperature (°C)27.528.129.531.832.234.634.633.331.329.428.628.4
Average temperature (°C)25.525.927.028.528.530.029.929.427.626.426.126.3
Average night temperature (°C)23.223.424.325.225.426.326.125.925.124.223.924.5
Absolute minimum temperature (°C)21.321.323.024.223.825.625.324.923.723.123.223.6

Thannamunai 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)11.711.912.112.312.512.612.512.412.212.011.811.7
Daylight minimum duration (h)11.011.011.012.012.012.012.012.012.011.011.011.0
Sunshine mean duration (h)9.19.610.010.79.610.79.811.19.89.58.58.2
Precipitation (mm)205145875095464036226417429415
Sunny days6787724111210
Rainy days252123232428272029292931
Snow days000000000000

Thannamunai - weather forecast by months

Thannamunai weather in januaryThannamunai weather in februaryThannamunai weather in marchThannamunai weather in aprilThannamunai weather in mayThannamunai weather in juneThannamunai weather in julyThannamunai weather in augustThannamunai weather in septemberThannamunai weather in octoberThannamunai weather in novemberThannamunai weather in december

Best time to visit Thannamunai:

The largest precipitation sum in Thannamunai is at

  • October — 417(mm)
  • November — 429(mm)
  • December — 415(mm)

    • Weather forecast in the closest to Thannamunai admin centers

    Weather forecast in the closest towns to Thannamunai

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    Frequently asked questions

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