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Lan Sak Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Lan Sak.
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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
The average number of days each month with precipitation
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
The relative humidity is high throughout the year in Lan Sak.
The city experiences its highest humidity in September, reaching 82%. In March, the humidity drops to its lowest level at 62%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: Nakhon Sawan, Thailand (56 KM, 35 Miles).
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.
Jan
good
Feb
very hot
Mar
very hot
Apr
very hot
May
very hot
Jun
very hot
Jul
very hot
Aug
very wet
Sep
very wet
Oct
wet
Nov
good
Dec
very good
- 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 in September
Where to go in September - average daytime high across popular destinations.
Bangkok
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