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Lak Si Weather and Climate: A Comprehensive Guide

Lak Si maintains a fairly consistent very warm average temperature. It also has a notably wet climate with much precipitation. Now, let’s explore all the climate details to give you a full picture.

Average maximum day and minimum night temperature

In Lak Si temperatures are generally consistent throughout the year. Average maximum daytime temperatures range from a very hot 37°C in April, the warmest time of the year, to a very warm 33°C during cooler months like January.

At night, temperatures typically drop to an average of around 22°C during these months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Lak Si experiences significant rainfall throughout the year, averaging 1336 mm of precipitation annually. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, September receives heavy rainfall, averaging 272 mm of precipitation, recorded across 20 rainy days. In contrast, the drier season, December brings less rainfall, with 11 mm over a single rainy day. For more details, please visit our Lak Si Precipitation page.

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

Sunshine over the year

Seasonal changes in sunshine hours are quite dramatic in Lak Si. While January receives considerable daily sunshine with up to 9.1 hours, September marks the darkest time of the year, where sunshine is scarce with only 5.2 hours of sunlight per day. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Bangkok, Thailand (19 KM, 11 Miles).

Daily hours of sunshine

Data from: Bangkok, Thailand (19 KM, 11 Miles).

Forecast for Lak Si

Wed   Jan 15
31°C | 20°C
N 4 m/s
partly cloudy and no rain

partly cloudy and no rain

Thu   Jan 16
31°C | 23°C
NE 3 m/s
partly cloudy and no rain

partly cloudy and no rain

Fri   Jan 17
31°C | 22°C
NE 3 m/s
partly cloudy and no rain

partly cloudy and no rain

Select a Month of Interest

Check the conditions for any month of the year.

The best time of year to visit Lak Si in Thailand

Other facts from our historical weather data:
  • Which months have the greatest rainfall in Lak Si?
    Most rainfall (rainy season) is seen in May, June, July, August, September and October.
  • Does Lak Si have a dry season?
    Yes, the months of January, February and December are very dry.
  • Which is the hottest month in Lak Si?
    April has an average maximum temperature of 37°C and is the hottest month of the year.
  • Which is the coolest month in Lak Si?
    The coolest month is January with an average maximum temperature of 33°C.
  • Which is the wettest month in Lak Si?
    September tops the wettest month list with 272 mm of rainfall.
  • Which is the driest month in Lak Si?
    December is the driest month with 11 mm of precipitation.
  • Which is the sunniest month in Lak Si?
    January is the sunniest month with an average of 273 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.