Best year time to visit Slave Island

General weather information about Slave Island

Average annual temperature is 26.3 °C

Absolute maximum temperature: 32.6 °C

Absolute minimum temperature: 20.2 °C

Number of sunny days: 23 days

Number of rainy days: 342 days

Look at detailed online map of Slave Island

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

Slave Island air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)31.132.632.432.230.830.329.630.129.829.930.432.0
Average daytime temperature (°C)29.729.830.331.229.829.228.829.128.328.529.029.6
Average temperature (°C)25.225.626.527.327.327.026.927.026.025.625.525.9
Average night temperature (°C)21.722.223.324.125.325.025.125.124.423.423.223.4
Absolute minimum temperature (°C)20.220.422.522.823.623.823.124.323.622.422.522.4

Slave Island 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)11.811.912.112.312.412.512.512.312.212.011.811.7
Daylight minimum duration (h)11.011.011.012.012.012.012.012.012.011.011.011.0
Sunshine mean duration (h)9.59.910.310.38.69.09.810.86.87.17.47.7
Precipitation (mm)8567141143233380248152556558488410
Sunny days1271200000001
Rainy days192130283130313130313030
Snow days000000000000

Slave Island - weather forecast by months

Slave Island weather in januarySlave Island weather in februarySlave Island weather in marchSlave Island weather in aprilSlave Island weather in maySlave Island weather in juneSlave Island weather in julySlave Island weather in augustSlave Island weather in septemberSlave Island weather in octoberSlave Island weather in novemberSlave Island weather in december

Best time to visit Slave Island:

The largest precipitation sum in Slave Island is at

  • June — 380(mm)
  • September — 556(mm)
  • October — 558(mm)
  • November — 488(mm)
  • December — 410(mm)

    • Weather forecast in the closest to Slave Island admin centers

    Weather forecast in the closest towns to Slave Island

    Explore Slave Island

    See also
    MapTrains schedule
    Plan your trip
    AccommodationExperiencesBlog

    Frequently asked questions

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