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Chiang Rai Weather in January
In Chiang Rai, January brings high daytime temperatures around 30°C (86°F), with nights cooling to 15°C (59°F). Some rainfall is to be expected.
Rainfall in Chiang Rai in January
You can expect rain on around 2 days based on historical patterns, with 24 mm (0.9 in) average for the month. On the rare occasion it does rain, the shower can be quite heavy given the low total spread across a single day.
Temperature in Chiang Rai in January
If you're visiting Chiang Rai in January, expect excellent temperatures with highs of 30°C (86°F) and overnight lows of 15°C (59°F). This kind of day-to-night contrast is typical for this time of year. At 15°C (59°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Sunshine in Chiang Rai in January
The month enjoys around 273 hours of sunshine, creating mostly sunny days with good weather conditions.Our weather planner can help you find worldwide destinations with pleasant weather during this period. December typically offers the best weather for Chiang Rai.
Chiang Rai Temperature in January
Min Temperature
15°C (59°F)
Max Temperature
30°C (86°F)
Chance of Rain
6%
Precipitation
24 mm (0.9 in)
Rainy days
2 days
Humidity
75%
Sunshine
273 hours
Percentage Sunshine
Chiang Rai Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Chiang Rai - and find the best time to visit.
Daily Historical Temperatures
51-year average (1976-2026)
Based on our historical records, temperatures in Chiang Rai typically stay consistent throughout January, with daily highs averaging around 30°C (86°F). Nights are cool, with lows around 14°C (57°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 records for Chiang Rai in January
Browse day-by-day weather records for Chiang Rai spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Chiang Rai historical weather extremes in January
Based on weather observations in Chiang Rai between 1976 and 2025, these are the recorded extremes during January.
- On January 24, 2001, temperatures climbed to 34°C (93°F), marking the warmest January day on record.
- The lowest overnight temperature recorded in January was 4°C (39°F) (January 1, 1976).
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
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 Chiang Rai in January
Warm weather calls for comfortable, breathable clothing in January. 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). Some rain is possible, so pack something to handle light showers. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Chiang Rai in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming10/10 -
Cycling8/10 -
Walking8/10 -
Barbeque10/10 -
Camping10/10 -
Outdoor sports8/10
Chiang Rai 3-Day Forecast
More climate data for Chiang Rai
Temperature Rainfall Sunshine Humidity
See the full Chiang Rai climate overview or explore weather in Thailand.
Popular in January
Where to go in January - average daytime high across popular destinations.
Bangkok
33°C (91°F) Ao Nang Beach
31°C (88°F) Jomtien Beach31°C (88°F) Chiang Mai31°C (88°F) Ko Lanta31°C (88°F) Hua Hin30°C (86°F) Patong Beach30°C (86°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
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