Ransiki in Summer
In summer (December, January and February), Ransiki sees average daytime highs around 28°C and overnight lows near 24°C, with 1663 mm of rain over about 86 wet days across the season. It is the coldest season of the year and the wettest season of the year.
Across summer, daytime highs hold fairly steady around 28°C. The sky is clear or mostly clear about 1% of the time across summer, and the air most often feels oppressive.
Summer is Ransiki's 3rd-best season to visit on our travel score. Ransiki 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 Ransiki's year-round climate.
- Avg daytime high
- 28°C
- coldest season of the year
- Avg overnight low
- 24°C
- Rainfall
- 1663 mm
- 86 wet days
- Avg wind
- 5 km/h
- Travel score
- 3.3
- 3rd-best season
- Months
- Dec · Jan · Feb
Temperature in Ransiki in Summer
Across summer, daytime highs hold fairly steady around 28°C.
A typical summer day in Ransiki reaches about 28°C and drops to 24°C overnight. The warmest of the three months is December, the coolest February.
Ransiki weather by month
How the three summer 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° / 24° | 565 | 29.4 | 12.1 | 3.4 |
| Feb | 28° / 24° | 515 | 26.1 | 12 | 3.4 |
| Mar | 28° / 24° | 647 | 29.8 | 12 | 3.3 |
| Apr | 28° / 24° | 573 | 29 | 12 | 3.1 |
| May | 28° / 24° | 299 | 28.6 | 11.9 | 3.3 |
| Jun | 28° / 24° | 221 | 26.3 | 11.9 | 3.7 |
| Jul | 28° / 24° | 198 | 25.1 | 11.9 | 4.0 |
| Aug | 28° / 24° | 175 | 23.5 | 12 | 4.0 |
| Sep | 29° / 24° | 197 | 24.7 | 12 | 3.7 |
| Oct | 29° / 24° | 231 | 26.5 | 12 | 3.5 |
| Nov | 29° / 24° | 342 | 28 | 12.1 | 3.1 |
| Dec | 28° / 24° | 582 | 30.2 | 12.1 | 3.1 |
Cloud cover in Summer
The sky is clear or mostly clear about 1% of the time across summer.
Chance of precipitation in Summer
Ransiki gets around 1663 mm of rain over 86 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 5 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 06 min in early December to 12 hours by late February. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 5.3 kWh/m².
Hazard calendar for Ransiki
In summer, Ransiki overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Ransiki's rainy season runs November–May, when most of the year's rain falls.
Is summer a good time to visit Ransiki?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a weaker month for outdoor sightseeing in Ransiki.
What to pack for Ransiki in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Ransiki sees daytime highs around 28°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 86 days see rain.
Sea temperature near Ransiki in Summer
The nearest coast averages about 29°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 26 km away) is warmest in November at about 30°C and coldest in February near 29°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 | 30 | 30 | 29 | 29 | 29 | 30 | 30 | 30 |
| Comfort | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 29 | Tropical |
| Feb | 29 | Tropical |
| Mar | 29 | Tropical |
| Apr | 29 | Tropical |
| May | 30 | Tropical |
| Jun | 30 | Tropical |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 30 | Tropical |
| Nov | 30 | Tropical |
| Dec | 30 | Tropical |
UV index in Ransiki in Summer
Clear-sky midday UV across summer averages around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Ransiki peaks around March 14 at about 17 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 12 (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) | 15 | 16 | 17 | 16 | 13 | 12 | 12 | 13 | 14 | 15 | 14 | 13 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 16 | Extreme |
| Mar | 17 | Extreme |
| Apr | 16 | Extreme |
| May | 13 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 13 | Extreme |
| Sep | 14 | Extreme |
| Oct | 15 | Extreme |
| Nov | 14 | Extreme |
| Dec | 13 | Extreme |
Where is Ransiki?
Ransiki sits at 1.5°S, 134.2°E, 26 m above sea level, in Indonesia. The nearest listed city is Manokwari, 73 km away.
Topography around Ransiki
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ransiki.
Within 3 km, the terrain around Ransiki has only modest variations in elevation — a maximum elevation change of 223 m around an average of 44 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,702 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,912 m.
The land around Ransiki is covered by trees (88%) within 3 km, trees (55%) and water (43%) within 16 km, and water (50%) and trees (48%) 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 Ransiki (-1.5083°, 134.1708°, elevation 26 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.