Bitung in Winter
In winter (December, January and February), Bitung sees average daytime highs around 28°C and overnight lows near 25°C, with 515 mm of rain over about 72 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Across winter, daytime highs hold fairly steady around 28°C. The sky is clear or mostly clear about 4% of the time across winter, and the air most often feels oppressive.
Winter is Bitung's 3rd-best season to visit on our travel score. Bitung has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Bitung's year-round climate.
- Avg daytime high
- 28°C
- 3rd-warmest season
- Avg overnight low
- 25°C
- Rainfall
- 515 mm
- 72 wet days
- Avg wind
- 10 km/h
- Travel score
- 3.7
- 3rd-best season
- Months
- Dec · Jan · Feb
Temperature in Bitung in Winter
Across winter, daytime highs hold fairly steady around 28°C.
A typical winter day in Bitung reaches about 28°C and drops to 25°C overnight. The warmest of the three months is December, the coolest January.
How winter really feels in Bitung
Once humidity and wind are folded in, winter brings about 71 days that feel above 32°C and 0 that feel at or below 0°C.
The story in winter is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Bitung weather by month
How the three winter months (December, January and February) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 28° / 25° | 178 | 25 | 11.9 | 3.7 |
| Feb | 28° / 25° | 165 | 21.2 | 12 | 3.9 |
| Mar | 29° / 25° | 155 | 22.9 | 12 | 3.9 |
| Apr | 29° / 26° | 188 | 23.6 | 12 | 3.6 |
| May | 29° / 26° | 222 | 25.4 | 12.1 | 3.6 |
| Jun | 29° / 25° | 220 | 22.7 | 12.1 | 3.9 |
| Jul | 28° / 25° | 146 | 18 | 12.1 | 4.8 |
| Aug | 28° / 25° | 74 | 10.1 | 12 | 5.7 |
| Sep | 29° / 25° | 66 | 11.2 | 12 | 5.3 |
| Oct | 29° / 25° | 126 | 17.3 | 12 | 4.4 |
| Nov | 29° / 26° | 164 | 24.7 | 11.9 | 3.4 |
| Dec | 29° / 26° | 172 | 25.8 | 11.9 | 3.5 |
Cloud cover in Winter
The sky is clear or mostly clear about 4% of the time across winter.
Chance of precipitation in Winter
Bitung gets around 515 mm of rain over 72 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 10 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 11 h 54 min in early December to 12 hours by late February. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 5.4 kWh/m².
Is winter a good time to visit Bitung?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a weaker month for outdoor sightseeing in Bitung.
What to pack for Bitung in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Bitung sees daytime highs around 28°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 72 days see rain.
Sea temperature near Bitung in Winter
The nearest coast averages about 29°C across winter — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in May at about 29°C and coldest in August near 28°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 29 | 29 | 29 |
| Comfort | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm | Tropical | Tropical | Tropical | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 29 | Tropical |
| Feb | 29 | Tropical |
| Mar | 29 | Tropical |
| Apr | 29 | Tropical |
| May | 29 | Tropical |
| Jun | 29 | Tropical |
| Jul | 28 | Tropical |
| Aug | 28 | Warm |
| Sep | 28 | Tropical |
| Oct | 29 | Tropical |
| Nov | 29 | Tropical |
| Dec | 29 | Tropical |
UV index in Bitung in Winter
Clear-sky midday UV across winter averages around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Bitung peaks around March 11 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 13 at about 11 (extreme).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 14 | 15 | 15 | 14 | 12 | 12 | 11 | 12 | 13 | 13 | 12 | 12 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 15 | Extreme |
| Mar | 15 | Extreme |
| Apr | 14 | Extreme |
| May | 12 | Extreme |
| Jun | 12 | Extreme |
| Jul | 11 | Extreme |
| Aug | 12 | Extreme |
| Sep | 13 | Extreme |
| Oct | 13 | Extreme |
| Nov | 12 | Extreme |
| Dec | 12 | Extreme |
Where is Bitung?
Bitung sits at 1.4°N, 125.1°E, 21 m above sea level, in Indonesia. The nearest listed city is Tondano, 28 km away.
Topography around Bitung
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Bitung.
Within 3 km, the terrain around Bitung has significant variations in elevation — a maximum elevation change of 252 m around an average of 58 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,978 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,962 m.
The land around Bitung is covered by trees (41%), artificial surfaces (26%) and water (24%) within 3 km, trees (60%) and water (33%) within 16 km, and water (72%) and trees (25%) within 80 km.
Indonesia travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / F
- 230 V · 50 Hz
- Prices
- ≈ 29% of US
- price level, 2025
- GDP per capita
- $5,060
- 2025
- Happiness
- 5.6 / 10
- World Happiness, 2025
- Safe drinking water
- 30%
- of population, 2024
- Homicide rate
- 0.3
- per 100k, 2022
- Road deaths
- 11.3
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Low
- EF EPI 471
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Bitung (1.4406°, 125.1282°, elevation 21 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.