Nai Harn Beach Weather in January
January in Nai Harn Beach averages 30°C (86°F) during the day and 26°C (79°F) at night. Around 59 mm (2.3 in) of rainfall is typical for this time of year.
Rainfall in Nai Harn Beach in January
Typically, you can expect about 5 days of rain this month, with 59 mm (2.3 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 Nai Harn Beach in January
Expect highs of 30°C (86°F) in Nai Harn Beach in January, with nights dropping to around 26°C (79°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights are warm at 26°C (79°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 Nai Harn Beach in January
The city usually sees around 235 hours of sunlight, indicating many sunny days — a great month for sightseeing.For Nai Harn Beach itself, December generally stands out with 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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Thailand, check out our Nai Harn Beach's climate page.
Nai Harn Beach Temperature in January
Min Temperature
26°C (79°F)
Max Temperature
30°C (86°F)
Chance of Rain
17%
Precipitation
59 mm (2.3 in)
Rainy days
5 days
Humidity
70% *
Sunshine
235 hours *
Percentage Sunshine
*
Daily Historical Temperatures
51-year average (1976-2026)
Based on our historical records, temperatures in Nai Harn Beach typically stay consistent throughout January, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in January
Daily Historical Precipitation
51-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in January
Historical weather for Nai Harn Beach in January
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 January
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Nai Harn Beach.
- On January 20, 1998, temperatures climbed to 42°C (108°F), marking the warmest January day on record.
- On January 7, 2017, Nai Harn Beach saw its coldest January day with temperatures maxing out at 26°C (79°F).
- Nighttime temperatures dropped to 19°C (66°F) on January 17, 1998, marking the coldest January night on record.
Best Places in Thailand in January
Find out more about the weather in Thailand and which places have the best travel conditions in this month. See all of Thailand in January →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Nai Harn Beach in January
Warm but pleasant conditions in Nai Harn Beach in January. 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. Wet weather is likely, so pack waterproof gear for multiple rainy days. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Nai Harn Beach in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Thailand, check out our Nai Harn Beach's climate page.
Temperature Rainfall Sunshine Humidity
See the full Nai Harn Beach climate overview or explore weather in Thailand.
