Bali weather in January
Bali averages 29°C by day and 24°C at night in January, with the sea at 29°C and about 320 mm of rain in the month.
Day
29°C
Night
24°C
Sea
29°C
Rain
320 mm
Flight from London
15h
What January feels like
January is hot but wet in Bali: rainy season, so pack for showers.
The sea is warm at 29°C: comfortable for long swims.
It is rainy season: about 320 mm of rain falls in the month.
That is 21°C warmer than an average January day in London.
Of the 56 sun destinations we track, Bali is the #12 warmest in January.
Going to Bali in January?
Share the TikToks and Instagram Reels you've saved for Bali to Dream Trip. It finds the places, pins them on a map and builds your days around them.
Want it warmer in January?
These are hotter than Bali this month for at most an hour and a half more flying:
Bali weather by month
January is highlighted. Compare with December and February, or see the full year in Bali.
| Month | Day | Night | Sea | Rain |
|---|---|---|---|---|
| January | 29°C | 24°C | 29°C | 320 mm |
| February | 29°C | 24°C | 30°C | 333 mm |
| March | 29°C | 24°C | 30°C | 233 mm |
| April | 29°C | 24°C | 30°C | 153 mm |
| May | 29°C | 25°C | 29°C | 131 mm |
| June | 28°C | 24°C | 29°C | 109 mm |
| July | 27°C | 23°C | 28°C | 90 mm |
| August | 27°C | 23°C | 27°C | 60 mm |
| September | 28°C | 23°C | 28°C | 97 mm |
| October | 29°C | 24°C | 29°C | 115 mm |
| November | 30°C | 24°C | 30°C | 225 mm |
| December | 29°C | 24°C | 30°C | 282 mm |
Bali in January: quick answers
Is Bali hot in January?
January is hot but wet in Bali: rainy season, so pack for showers. Average highs are 29°C and lows 24°C.
Can you swim in Bali in January?
The sea is warm at 29°C: comfortable for long swims.
Does it rain in Bali in January?
It is rainy season: about 320 mm of rain falls in the month.
What is the warmest month in Bali?
November, at an average high of 30°C. The coolest is July at 27°C.
How long is the flight to Bali from the UK?
About 15h direct from London, estimated from the 12,522 km distance. Check your airline for exact times.
Still choosing? See where is hot in January for every destination ranked by temperature, sea and flight time.
How we measured this
Averages of every day in January from 2016 to 2025, from the Open-Meteo historical weather archive (ECMWF ERA5 reanalysis). Sea temperature is the 2023 to 2025 average from the Open-Meteo marine archive. Rain is the average monthly total. Reanalysis describes an area about 25 km across, so sheltered resorts can run a degree or two warmer. Flight time is a distance-based estimate from London Heathrow.
Planning Bali in January?
Save the restaurants, beaches and views you find on TikTok and Instagram for Bali straight to a map, then let Dream Trip turn them into a day-by-day plan.
