Best year time to visit Usan

General weather information about Usan

Average annual temperature is 28.1 °C

Absolute maximum temperature: 35.9 °C

Absolute minimum temperature: 22.3 °C

Number of sunny days: 131 days

Number of rainy days: 234 days

Look at detailed online map of Usan

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

Usan air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)28.130.133.334.933.634.235.735.933.333.830.929.9
Average daytime temperature (°C)27.428.130.933.031.632.332.533.431.831.829.028.2
Average temperature (°C)25.625.927.929.429.329.729.529.729.028.326.426.3
Average night temperature (°C)24.023.925.426.227.328.027.326.926.825.224.124.6
Absolute minimum temperature (°C)22.722.324.224.124.426.226.726.125.223.723.223.7

Usan 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)11.611.812.112.312.612.712.612.412.211.911.711.6
Daylight minimum duration (h)11.011.011.012.012.012.012.012.012.011.011.011.0
Sunshine mean duration (h)9.710.211.110.99.510.39.611.310.510.68.38.0
Precipitation (mm)5314319496036331741117491282
Sunny days13171213161610254401
Rainy days18111917151421626273030
Snow days000000000000

Usan - weather forecast by months

Usan weather in januaryUsan weather in februaryUsan weather in marchUsan weather in aprilUsan weather in mayUsan weather in juneUsan weather in julyUsan weather in augustUsan weather in septemberUsan weather in octoberUsan weather in novemberUsan weather in december

Best time to visit Usan:

The largest precipitation sum in Usan is at

  • February — 143(mm)
  • November — 491(mm)
  • December — 282(mm)

    • Weather forecast in the closest to Usan admin centers

    Weather forecast in the closest towns to Usan

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    Frequently asked questions

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