ClimateForecastDecemberJanuary >>

San Sai Climate by Month

Temperatures in San Sai experience a moderate degree of variance through the seasons. Days can be very hot, while the cooler months tend to be warm. It is also known for its large amounts of rainfall. Now, let’s explore all the climate details to give you a full picture.

Average day and night temperature

The climate in San Sai experiences moderate temperature changes, with mild shifts between seasons. Typically, daytime temperatures range from a very hot 38°C in April to a comfortable 30°C in the coolest month, January. Nights are cooler, with temperatures generally dropping to 15°C, particularly during the colder months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

San Sai has a notably wet climate with abundant precipitation, recording 1330 mm of rainfall per year. The climate in San Sai shows significant variation throughout the year. Expect heavy rainfall in August, with an average of 283 mm of precipitation over 20 rainy days.

In contrast, February offers drier and sunnier days, with around 5.6 mm of rainfall over a single rainy day.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

For those who appreciate different seasons, San Sai serves as an ideal destination. Expect longer, more sun-filled days in March with an average of 9.8 hours of sunshine daily, and embrace the darker days in August, offering only 3.9 hours of daily sunlight.

Monthly hours of sunshine

Data from: Chiang Mai, Thailand (10 KM, 6 Miles).

Daily hours of sunshine

Data from: Chiang Mai, Thailand (10 KM, 6 Miles).

The best time of year to visit San Sai in Thailand

Other facts from our historical weather data:
  • When is the rainy season in San Sai?
    Rainy season in San Sai occurs in the months of June, July, August and September.
  • Does San Sai have a dry season?
    Yes, the months of January, February, March and December are very dry.
  • Which is the hottest month in San Sai?
    April has an average maximum temperature of 38°C and is the hottest month of the year.
  • Which is the coolest month in San Sai?
    The coolest month is January with an average maximum temperature of 30°C.
  • Which is the wettest month in San Sai?
    August tops the wettest month list with 283 mm of rainfall.
  • Which is the driest month in San Sai?
    February is the driest month with 6 mm of precipitation.
  • Which is the sunniest month in San Sai?
    March is the sunniest month with an average of 295 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for San Sai

    Sun   Dec 15
    27°C | 21°C
    SE 4 km/h
    0.6 mm
    broken clouds and slight rain

    broken clouds and slight rain

    Mon   Dec 16
    27°C | 20°C
    NW 7 km/h
    broken clouds and no rain

    broken clouds and no rain

    Tue   Dec 17
    29°C | 19°C
    S 7 km/h
    almost clear and no rain

    almost clear and no rain