January in Bangkok averages highs of 31 °C (88 °F) and lows of 22 °C (72 °F), with about 2 rainy days and 11 h 24 min of daylight.
January weather in Bangkok at a glance
average high to low each dot ≈ 3 rainy days
Is January a good time to visit Bangkok?
Good time to go: hot and fairly dry. January is usually high season in Bangkok: book rooms early, as prices are typically at their highest.
Our rule: a month scores 2 points for comfortable average highs of 18–28 °C (1 point for 14–18 or 28–32 °C) and 2 points for 5 or fewer rainy days (1 point for 6–10). Average highs above 35 °C or below 8 °C make it a tough month whatever the rain. A rainy day here means 2 mm of rain or more. 4 points = great, 3 = good, 2 = mixed, 0–1 = tough.
Holidays and events in January 2026
We found no major holidays or events for January in Bangkok. Our holiday source does not cover Thailand, so check official listings before you go.
Things to do in Bangkok in January
January's weather suits a mix of outdoor sights and museums, so the open-air ones come first.
- Wat Arun — best from the river at sunset outdoors
- Chao Phraya boats outdoors
- Chatuchak weekend market — go early outdoors
- Chinatown (Yaowarat) at night — street food outdoors
- Grand Palace and Wat Phra Kaew — dress code applies indoors
- Wat Pho — reclining Buddha indoors
Where to stay: Riverside or Old Town (Rattanakosin) for temples; Sukhumvit for food and the BTS; Silom for nightlife.
What to pack for Bangkok in January
- Light, breathable clothes, a hat and a water bottle: highs reach 31 °C (88 °F), so plan indoor time around midday.
- Clothes that cover shoulders and knees for mosques and temples.
- Comfortable walking shoes.
What a day in Bangkok costs
| Budget traveller | Mid-range | |
|---|---|---|
| Typical total per person, per day | €25–65 | €80–200 |
Excluding flights. January is usually high season in Bangkok: book rooms early, as prices are typically at their highest.
January in nearby cities
| City | High / low | Rainy days | Verdict |
|---|---|---|---|
| Singapore | 29° / 24° | 20 | Tough month |
| Bali | 29° / 24° | 25 | Tough month |
| Kyoto | 8° / -1° | 5 | Tough month |
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FAQ
Is January a good time to visit Bangkok?
By the numbers, January is a good time to go: hot and fairly dry, with average highs of 31 °C (88 °F) and about 2 rainy days. January is usually high season in Bangkok: book rooms early, as prices are typically at their highest. The best months for weather are January, December.
How warm is Bangkok in January?
Average highs are 31 °C (88 °F) and lows 22 °C (72 °F) (2015–2024 averages).
Does it rain a lot in Bangkok in January?
Expect about 2 days with 2 mm of rain or more, about 24 mm in total. It is the driest month of the year in Bangkok.
Sources: climate averages from Open-Meteo historical weather (ERA5 reanalysis, 2015–2024); sea temperatures from the Open-Meteo marine API (2023–2024); public holidays from Nager.Date. Daylight is calculated for the 15th of the month. Averages are a guide, not a forecast. Costs are typical ranges per person per day, excluding flights. In the tropics, reanalysis data tends to count more light-rain days than local weather stations do; rain there often comes as short afternoon downpours.