Chiang Mai
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Chiang Mai Weather in January

Chiang Mai in January sees very high daytime temperatures of 31°C (88°F) and nighttime lows of 15°C (59°F). With just 9.2 mm (0.4 in) of rainfall expected, it's a dry month overall.

Rainfall in Chiang Mai in January

You can expect rain on around a single day based on historical patterns, with 9.2 mm (0.4 in) average for the month. On the rare occasion it rains, expect a brief, moderate shower rather than a heavy downpour.

Temperature in Chiang Mai in January

The temperature in Chiang Mai in January is excellent. Daytime highs reach 31°C (88°F), with nights dropping to 15°C (59°F). Sunshine and humidity can make it feel even warmer than the raw temperature suggests. With overnight lows of 15°C (59°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Chiang Mai in January

With approximately 270 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

Wind Speed in Chiang Mai in January

Average wind conditions reach () in January. This results in mostly calm, still weather and is ideal for most activities. While this is an average, conditions can vary slightly from completely calm to occasionally breezy days.

If your ideal day consists of dry skies and pleasant temperatures, January, November and December typically offer the best circumstances for Chiang Mai.

Chiang Mai Temperature in January

Min Temperature
15°C (59°F)
Max Temperature
31°C (88°F)
Chance of Rain
3%
Precipitation
9.2 mm (0.4 in)
Rainy days
a single day
Humidity
67%
Windspeed
()
Sunshine
270 hours
Percentage Sunshine

Chiang Mai Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Chiang Mai - and find the best time to visit.

Daily Historical Temperatures

51-year average (1976-2026)

Based on our historical records, temperatures in Chiang Mai typically stay consistent throughout January, with daily highs averaging around 31°C (88°F). Nights are pleasant, with lows around 16°C (61°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 Mai in January

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

Chiang Mai historical weather extremes in January

The extremes listed below come from historical weather data collected in Chiang Mai from 1976 through 2025.

  • On January 25, 2001, temperatures climbed to 35°C (95°F), marking the warmest January day on record.
  • The lowest overnight temperature recorded in January was 6°C (43°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 Mai in January

Warm temperatures in January make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. With minimal rainfall expected, you can leave the rain gear at home. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Chiang Mai in January

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

  • Swimming
    10/10
  • Cycling
    8/10
  • Walking
    8/10
  • Barbeque
    10/10
  • Camping
    10/10
  • Outdoor sports
    8/10

Chiang Mai 3-Day Forecast

More climate data for Chiang Mai

Popular in January

Where to go in January - average daytime high across popular destinations.

Bucket list

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