Lan Sak Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Lan Sak.

Climate overview of Lan Sak

Lan Sak, Thailand, has a stable climate with little temperature variation across the year. Average daytime temperatures hover around 35°C (95°F), peaking in April at 38°C (100°F) and dipping in December to 32°C (90°F).

The city receives considerable rainfall, with around 1331 mm (52 in) annually. September is the wettest month. It has distinct dry (November to February) and wet (August to October) seasons. Sunshine peaks in January, when the city sees around 9.2 hours of sunshine per day.

Lan Sak Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Lan Sak - and find the best time to visit.

Monthly Temperature in Lan Sak

With minimal seasonal shifts, Lan Sak experiences a constant climate year-round. Typically, average maximum daytime temperatures range from a very hot 38°C (100°F) in April to a very warm 32°C (90°F) in the coolest month, December.

Nights vary from 26°C (79°F) in April to around 20°C (68°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Lan Sak

Lan Sak has a notably wet climate with abundant precipitation, recording 1331 mm (52 in) of rainfall per year. The climate in Lan Sak shows significant variation throughout the year. Expect heavy rainfall in September, the wettest month, with an average of 274 mm (11 in) of precipitation over 20 rainy days.

In contrast, the driest month December offers drier and sunnier days, with around 12 mm (0.5 in) of rainfall over a single rainy day. For more details, please visit our Lan Sak Precipitation page.

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

Sunshine Hours in Lan Sak

For those who appreciate different seasons, Lan Sak serves as an ideal destination. Expect longer, more sun-filled days in January with an average of 9.2 hours of sunshine daily, and embrace the darker days in September, offering only 3.6 hours of daily sunlight.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Nakhon Sawan, Thailand (56 KM, 35 Miles).

Daily hours of sunshine

Data from: Nakhon Sawan, Thailand (56 KM, 35 Miles).

Humidity in Lan Sak by Month

Best Time to Visit Lan Sak

Conditions in Lan Sak are generally most comfortable in December. They are typically least comfortable in February, March, April, May, June, July, August, September and October.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: December
  • Warmest weather: March and April
  • Most sunshine: January and March
  • Fewest rainy days: January, February, March and December
  • Wettest months: May, June, July, August, September and October, when rainfall is highest.
  • Seasonal pattern: Distinct dry (November to February) and wet (August to October) seasons

Frequently asked questions about the climate in Lan Sak

What is the best time to visit Lan Sak?

December typically offers the most optimal weather in Lan Sak. In contrast, February, March, April, May, June, July, August, September and October tend to have less optimal conditions. Lan Sak has distinct dry (November to February) and wet (August to October) seasons.

What temperatures can I expect in Lan Sak?

Daytime highs range from 32°C (90°F) in December to 38°C (100°F) in April. Nighttime lows range from 20°C (68°F) to 26°C (79°F). Temperatures stay relatively stable year-round.

How much rain does Lan Sak get?

Annual rainfall is around 1331 mm (52 in). September is the wettest month with 274 mm (11 in), while December is the driest with 12 mm (0.5 in).

How sunny is Lan Sak?

Lan Sak receives around 2,323 hours of sunshine per year. January is the sunniest month with 277 hours, while September is the cloudiest with just 109 hours. Overall, Lan Sak enjoys abundant sunshine.

Lan Sak 3-Day Forecast

Lan Sak on the map

Lan Sak is highlighted - select any city to see its climate.

Popular this month

Where to go in August - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.