Chiang Mai weather in January
Chiang Mai in January averages 23°C (73°F), 8 mm of rain and 8.5 hours of sun a day. It is one of the driest months of the year here.
Of the twelve months in Chiang Mai, January is the coldest, the driest and the third sunniest.

- Average temp
- 23°C (73°F)
16–30°C · 60–86°F
- Rainfall
- 8 mm
Not much rain
- Sunshine
- 8.5 h
hours per day
What is Chiang Mai like in January?
Daytime
Days are warm, typically in the mid-20s°C or above.
Rain
Rain is usually light.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for Chiang Mai in January?
High-factor sun cream
With 8.5 hours of sun a day, burn time is short even in shade.
Sunglasses and a brimmed hat
Midday glare is the part people underpack for, not the heat itself.
Loose cotton or linen
Synthetics stop working once you are sweating through them all day.
A refillable water bottle
Daily highs this warm need roughly double the water a temperate day does.
A layer for the evening
The day swings about 14°C between its low and its high.
Comfortable walking shoes you can rinse
Dry warm weather is walking weather, and dust gets into everything.
January compared with December and February
January in Chiang Mai is about the same temperature as December and about as wet as it, which averages 23°C (74°F).
January in Chiang Mai is 2.1°C cooler than February and about as wet as it, which averages 25°C (77°F).
Daylight in Chiang Mai in January
On 15 January the sun is up for 11 hours 7 minutes in Chiang Mai, rising about 06:59 and setting about 18:06 local time.
January ends 17 minutes longer than it begins, so the last week of the month is a different length of day from the first.
That is 2 hours 8 minutes short of June, the longest-lit month here.
Where to stay in Chiang Mai
Dates are a starting point for January.

Travel guides for Chiang Mai
What to read before you book.
Chiang Mai weather by month
TemperatureRainfall
How January compares with the rest of the year
January is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 23°C / 73°F | 8 mm |
| February | 25°C / 77°F | 9 mm |
| March | 28°C / 82°F | 22 mm |
| April | 30°C / 86°F | 56 mm |
| May | 29°C / 85°F | 164 mm |
| June | 29°C / 84°F | 111 mm |
| July | 28°C / 83°F | 153 mm |
| August | 28°C / 82°F | 234 mm |
| September | 28°C / 82°F | 218 mm |
| October | 27°C / 81°F | 118 mm |
| November | 26°C / 78°F | 39 mm |
| December | 23°C / 74°F | 14 mm |
Check another month
This is the month you are reading. Change either side to look at another.
FAQs about Chiang Mai in January
January climate averages for Chiang Mai, 1991–2020.
Chiang Mai averages 23°C (73°F) in January, ranging from about 16°C (60°F) at night to 30°C (86°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Barely. January sees only about 8 mm, so rain is unlikely to affect your plans.
No. January averages 23°C (73°F) against 25°C (77°F) in February — 2.1°C cooler.
January is about as warm as December, and about as wet.
Yes. January falls inside the most comfortable stretch of the year here, October to March, on temperature and rainfall together.
About 8.5 hours of sun a day on the 1991–2020 average — among the brighter months anywhere.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what January is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 11 hours 7 minutes of daylight in mid-January, against 13 hours 15 minutes in June and 11 hours 1 minute in December.
On 15 January, sunrise is about 06:59 and sunset about 18:06 local time. Both shift across the month — the month ends 17 minutes longer than it starts.


