Lamai Beach Weather in March

During March, Lamai Beach experiences high daytime temperatures of 30°C (86°F) and cooler nights around 27°C (81°F). Expect quite a bit of rainfall. Around 97 mm (3.8 in) is typical.

Rainfall in Lamai Beach in March

Historically, March sees about 5 days of rain, with a monthly average of 97 mm (3.8 in). When rain does fall this month, it tends to come down hard. The low number of rain days makes each shower more significant.

Temperature in Lamai Beach in March

Daytime temperatures in Lamai Beach reach 30°C (86°F) in March, dropping to 27°C (81°F) at night. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights are warm at 27°C (81°F), which can make sleeping uncomfortable. Keeping windows open or using a fan can help. A cold shower before bed is also a good way to cool down.

Sunshine in Lamai Beach in March

There are approximately 240 hours of sunshine this month, resulting in mostly clear days.

Average water temperature in March

At 29°C (84°F), the water feels bath-warm. Fine for swimming, but those looking for a cooling swim may be a bit disappointed.

If you prefer enjoying temperate temperatures and rain-free days, January and February typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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• January
• February
• March
• April

• May
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• September
• October
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For a detailed overview over the year and the best time to visit Thailand, check out our Lamai Beach's climate page.

Lamai Beach Temperature in March

Min Temperature 27°C (81°F)  

Max Temperature 30°C (86°F)  

Water Temperature 29°C (84°F) *  

Chance of Rain 15%  

Precipitation 97 mm (3.8 in)  

Rainy days 5 days  

Humidity 82% *  

Sunshine 240 hours *  

Percentage Sunshine *  

* Data from: Koh Samui, Thailand (14 KM, 8 Miles).

Daily Historical Temperatures

49-year average (1976-2025)

Based on our historical records, temperatures in Lamai Beach typically stay consistent throughout March, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 26°C (79°F).

Average temperatures in March

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Daily Historical Precipitation

49-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in March

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Historical weather for Lamai Beach in March

Browse day-by-day weather records for Lamai Beach spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

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Lamai Beach historical weather extremes in March

Our historical data for Lamai Beach spans 1982 to 2026, revealing these weather extremes.

• On March 7, 2015, temperatures climbed to 39°C (102°F), marking the warmest March day on record.
• The lowest daytime temperature in March was 25°C (77°F), recorded on March 14, 1982.
• The lowest overnight temperature recorded in March was 21°C (70°F) (March 4, 1992).

What to Wear in Lamai Beach in March

Warm but pleasant conditions in Lamai Beach in March. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. Expect water temperatures of around 29°C (84°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Lamai Beach in March

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

7/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Thailand, check out our Lamai Beach's climate page.

More climate data for Lamai Beach

Temperature Rainfall Sunshine Humidity Water Temp

See the full Lamai Beach climate overview or explore weather in Thailand.