Bangkok in January
In January, Bangkok averages 32°C (90°F) during the day and 22°C (72°F) at night, with only about 1 rainy day.
ShoulderConditions are warm and beach-friendly. Skies are generally dry and clear.
January in Bangkok is outside the typical sweet spot for sightseeing weather. It can still be a great time to visit if you have specific reasons (festivals, off-season pricing, etc.).
How January compares to the rest of the year in Bangkok
January is in the middle of the year for warmth in Bangkok (7th of 12) and one of the driest months (11th of 12). Daytime temperature runs 1°C below the annual average (33°C). January runs 1°C warmer than December (31°C) and warms a further 1°C into February (33°C).
January sunrise & sunset in Bangkok
Times shown for Bangkok local time (Asia/Bangkok), calculated for the 15th of January. They shift by a few minutes day to day across the month.
Photography light in Bangkok — January
Golden-hour and blue-hour windows for the 15th of January, in Bangkok's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Bangkok in January
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on January's tier (Shoulder) and Bangkok's popularity.
Crowds & pricing — January in Bangkok
Bangkok is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.
Why this tier: comfortable tourism weather
Sun & mosquito risk — January in Bangkok
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Bangkok in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 32°C / 90°F | 22°C / 72°F | 13 mm | 1 | — |
| February | 33°C / 91°F | 24°C / 75°F | 20 mm | 2 | — |
| March | 35°C / 95°F | 26°C / 79°F | 35 mm | 4 | — |
| April | 36°C / 97°F | 27°C / 81°F | 81 mm | 6 | — |
| May | 34°C / 93°F | 26°C / 79°F | 198 mm | 14 | — |
| June | 33°C / 91°F | 26°C / 79°F | 175 mm | 15 | — |
| July | 33°C / 91°F | 26°C / 79°F | 173 mm | 15 | — |
| August | 32°C / 90°F | 25°C / 77°F | 185 mm | 16 | — |
| September | 32°C / 90°F | 25°C / 77°F | 333 mm | 18 | — |
| October | 32°C / 90°F | 25°C / 77°F | 290 mm | 16 | — |
| November | 32°C / 90°F | 23°C / 73°F | 51 mm | 5 | — |
| December | 31°C / 88°F | 21°C / 70°F | 8 mm | 1 | — |
Other cities with similar January weather
🌍 See the full ranked list of climate twins for Bangkok in January →
Frequently asked questions
How hot is Bangkok in January?
In January, Bangkok averages a high of 32°C (90°F) and a low of 22°C (72°F) — generally hot.
Does it rain a lot in Bangkok in January?
January is generally dry in Bangkok, with about 1 rainy day on average.
Is January a good time to visit Bangkok?
January is hot and mostly dry. It suits travelers who are comfortable with hot weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Bangkok in January?
Pack lightweight, breathable clothing, sunglasses and sunscreen. See the full January packing list for Bangkok for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.