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Nai Harn Beach Weather in March
With daytime temperatures of 30°C (86°F) and nighttime lows of 27°C (81°F), March in Nai Harn Beach brings very high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 90 mm (3.5 in) falls on average.
Rainfall in Nai Harn Beach in March
Typically around 5 days of rainfall are expected, averaging 90 mm (3.5 in) for the month. 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 Nai Harn Beach in March
In March, expect very high temperatures in Nai Harn Beach, with highs of 30°C (86°F) and lows of 27°C (81°F) at night. If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. Nights remain warm at around 27°C (81°F). For a more comfortable sleep, a cold shower before bed and a fan or air conditioning can make a big difference.
Sunshine in Nai Harn Beach in March
The month enjoys around 210 hours of sunshine, creating mostly sunny days with good weather conditions.If your ideal day consists of dry skies and pleasant temperatures, December typically offers the best circumstances for Nai Harn Beach.
Nai Harn Beach Temperature in March
Min Temperature
27°C (81°F)
Max Temperature
30°C (86°F)
Chance of Rain
17%
Precipitation
90 mm (3.5 in)
Rainy days
5 days
Humidity
71% *
Sunshine
210 hours *
Percentage Sunshine
*
* Data from: Phuket, Thailand (35 KM, 22 Miles).
Nai Harn Beach Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Nai Harn Beach - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Nai Harn Beach typically stay consistent throughout March, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 25°C (77°F).
Average temperatures in March
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in March
Historical weather records for Nai Harn Beach in March
Browse day-by-day weather records for Nai Harn Beach spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Nai Harn Beach historical weather extremes in March
Our historical data for Nai Harn Beach spans 1976 to 2026, revealing these weather extremes.
- The warmest day in March was on March 25, 1998, with a maximum of 41°C (106°F).
- The coldest March day was on March 30, 2011, with a maximum of 25°C (77°F).
- Nai Harn Beach registered its coldest March night on March 18, 1982, with temperatures dropping to 18°C (64°F).
Best Places in Thailand in March
Find out more about the weather in Thailand and which places have the best travel conditions in this month. See all of Thailand in March →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Nai Harn Beach in March
Warm but pleasant conditions in Nai Harn 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. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
What To Do in Nai Harn Beach in March
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming9/10 -
Cycling7/10 -
Walking7/10 -
Camping7/10 -
Outdoor sports7/10
Nai Harn Beach 3-Day Forecast
More climate data for Nai Harn Beach
Temperature Rainfall Sunshine Humidity
See the full Nai Harn Beach climate overview or explore weather in Thailand.
Popular in March
Where to go in March - average daytime high across popular destinations.
Chiang Mai
37°C (99°F) Bangkok35°C (95°F) Jomtien Beach
32°C (90°F) Ao Nang Beach32°C (90°F) Hua Hin33°C (91°F) Ko Lanta
31°C (88°F) Patong Beach30°C (86°F) Bucket list
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