Best year time to visit Sinnakinniya

General weather information about Sinnakinniya

Average annual temperature is 27.7 °C

Absolute maximum temperature: 38.7 °C

Absolute minimum temperature: 20.6 °C

Number of sunny days: 75 days

Number of rainy days: 290 days

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

Sinnakinniya air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)28.930.033.536.436.636.938.338.736.834.331.032.1
Average daytime temperature (°C)27.528.330.433.033.735.736.037.234.131.429.328.8
Average temperature (°C)25.025.526.828.328.730.430.230.128.426.725.926.1
Average night temperature (°C)22.722.923.924.825.726.726.626.025.323.923.624.1
Absolute minimum temperature (°C)20.620.622.823.123.925.825.524.923.823.022.923.3

Sinnakinniya 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)11.711.912.112.312.512.612.612.412.211.911.711.6
Daylight minimum duration (h)11.011.011.012.012.012.012.012.012.011.011.011.0
Sunshine mean duration (h)9.09.710.610.69.110.69.510.99.69.67.88.1
Precipitation (mm)15711788901361428105203409485380
Sunny days121188108871200
Rainy days191723222122232429293031
Snow days000000000000

Sinnakinniya - weather forecast by months

Sinnakinniya weather in januarySinnakinniya weather in februarySinnakinniya weather in marchSinnakinniya weather in aprilSinnakinniya weather in maySinnakinniya weather in juneSinnakinniya weather in julySinnakinniya weather in augustSinnakinniya weather in septemberSinnakinniya weather in octoberSinnakinniya weather in novemberSinnakinniya weather in december

Best time to visit Sinnakinniya:

The largest precipitation sum in Sinnakinniya is at

  • October — 409(mm)
  • November — 485(mm)
  • December — 380(mm)

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    Frequently asked questions

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