January · Thailand
Best time to visit Bangkok in January Weather, crowds & prices
Weather in Bangkok in January
Average temperature 27°C, 7 mm of rain, about 22 days with 6+ hours of sunshine and 66% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
January score
8.0/10
Ranked #2 of 12 months
- Avg temp
- 27°C
- Rainfall
- 7 mm
- Humidity
- 66%
- Days with 6h+ sun
- 22
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
January in Bangkok scores 8.0/10 for sightseeing and cultural travel - one of the top 12-month picks (#2). Expect around 27°C, 7 mm of rain, and roughly 22 days with 6+ hours of sunshine this month.
From January to March, Bangkok’s cooler dry season reveals glittering temples, sizzling street food, and tranquil canal life at their best.
January in Bangkok: strong conditions, 2nd of 12
January averages 27°C (80°F), so the practical pattern is early mornings, a long midday break, and evenings back outside.
Rain is a non-issue at 7 mm for the month, with about 22 days with 6+ hours of sunshine and 11.3 hours of daylight to work with.
It scores 8/10 here, 2nd of 12 months, against 8.3/10 in the destination's best month.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.
Figure on peak pricing, with this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Frequently asked
- What is the weather like in Bangkok in January?
- In January, Bangkok averages 27°C, 7 mm of rain, and about 22 days with 6+ hours of sunshine. Its climate-comfort score is 8.0/10.
- Is January a good time to visit Bangkok?
- January earns a 8.0/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Bangkok in January?
- Expect about 7 mm of rain in January. Average humidity is 66% and there are about 22 days with 6+ hours of sunshine.
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Bangkok, Thailand. Live activities and tours from GetYourGuide, matched to this destination.