Chaweng Beach Weather in March

March in Chaweng Beach brings high temperatures around 30°C (86°F) during the day, dropping to 27°C (81°F) at night, with quite a bit of rainfall expected, averaging around 96 mm (3.8 in) for the month.

Rainfall in Chaweng Beach in March

Based on our climate data of the past 30 years, about 5 days of rain are anticipated, with 96 mm (3.8 in) on average. The rain this month typically falls in concentrated bursts rather than all-day showers. Expect a few heavier spells rather than constant grey skies.

Temperature in Chaweng Beach in March

March in Chaweng Beach brings high temperatures, with highs of 30°C (86°F) and nights around 27°C (81°F). Overall, the month follows a fairly predictable daily temperature pattern. At 27°C (81°F) overnight, the heat doesn't let up much after dark. If you're staying somewhere without air conditioning, a cold shower before bed and keeping the air moving can help.

Sunshine in Chaweng Beach in March

The month enjoys around 240 hours of sunshine, creating mostly sunny days with good weather conditions.

Average water temperature in March

The water reaches 29°C (84°F) this month. It's on the warm side, which suits people who prefer that, but don't expect a cooling dip if the air temperature is also high.

If your ideal day consists of dry skies and pleasant temperatures, January and February typically offer the best circumstances for Chaweng Beach.

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 Chaweng Beach's climate page.

Chaweng 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 96 mm (3.8 in)  

Rainy days 5 days  

Humidity 82% *  

Sunshine 240 hours *  

Percentage Sunshine *  

* Data from: Koh Samui, Thailand (13 KM, 8 Miles).

Daily Historical Temperatures

49-year average (1976-2025)

Based on our historical records, temperatures in Chaweng 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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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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Historical weather for Chaweng Beach in March

Browse day-by-day weather records for Chaweng 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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Chaweng Beach historical weather extremes in March

Based on weather observations in Chaweng Beach between 1982 and 2026, these are the recorded extremes during March.

• Chaweng Beach recorded its highest March temperature of 39°C (102°F) on March 7, 2015.
• The coldest March day was on March 14, 1982, with a maximum of 25°C (77°F).
• The coldest night in March in Chaweng Beach was on March 4, 1992, with a minimum of 21°C (70°F).

What to Wear in Chaweng Beach in March

Warm weather calls for comfortable, breathable clothing in March. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. 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. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Chaweng 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 Chaweng Beach's climate page.

More climate data for Chaweng Beach

Temperature Rainfall Sunshine Humidity Water Temp

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