Surakarta in Summer
In summer (December, January and February), Surakarta sees average daytime highs around 30°C and overnight lows near 22°C, with 1019 mm of rain over about 82 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 30°C. The sky is clear or mostly clear about 1% of the time across summer, and the air most often feels oppressive.
Summer is Surakarta's weakest season of the year to visit on our travel score. For the whole year in context, see Surakarta's year-round climate.
- Avg daytime high
- 30°C
- coldest season of the year
- Avg overnight low
- 22°C
- Rainfall
- 1019 mm
- 82 wet days
- Avg wind
- 5 km/h
- Travel score
- 2.8
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Surakarta in Summer
Across summer, daytime highs hold fairly steady around 30°C.
A typical summer day in Surakarta reaches about 30°C and drops to 22°C overnight. The warmest of the three months is December, the coolest January.
How summer really feels in Surakarta
Once humidity and wind are folded in, summer brings about 90 days that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Surakarta 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 | 30° / 22° | 354 | 27.9 | 12.4 | 2.9 |
| Feb | 30° / 22° | 353 | 27.2 | 12.2 | 2.7 |
| Mar | 30° / 23° | 320 | 28.1 | 12.1 | 2.8 |
| Apr | 30° / 23° | 223 | 25.4 | 11.8 | 3.0 |
| May | 30° / 23° | 107 | 16.6 | 11.7 | 4.1 |
| Jun | 30° / 22° | 59 | 10.3 | 11.6 | 4.8 |
| Jul | 30° / 21° | 38 | 6.7 | 11.6 | 5.3 |
| Aug | 30° / 21° | 19 | 3.8 | 11.8 | 5.5 |
| Sep | 31° / 22° | 40 | 5.8 | 12 | 4.8 |
| Oct | 31° / 22° | 121 | 14.7 | 12.2 | 3.8 |
| Nov | 31° / 23° | 242 | 24.3 | 12.3 | 2.9 |
| Dec | 30° / 23° | 313 | 26.7 | 12.4 | 2.9 |
Cloud cover in Summer
The sky is clear or mostly clear about 1% of the time across summer.
Chance of precipitation in Summer
Surakarta gets around 1019 mm of rain over 82 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 24 min in early December to 12 h 12 min 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 4.6 kWh/m².
Hazard calendar for Surakarta
In summer, Surakarta overlaps its monsoon season. The full year is below, with each hazard's peak months called out.
Surakarta's monsoon runs November–April, when most of the year's rain falls.
Is summer a good time to visit Surakarta?
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 Surakarta.
What to pack for Surakarta in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Surakarta sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 82 days see rain.
Sea temperature near Surakarta 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 67 km away) is warmest in March at about 29°C and coldest in August near 25°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 | 28 | 27 | 26 | 25 | 25 | 26 | 28 | 29 |
| Comfort | Tropical | Tropical | Tropical | Tropical | Tropical | Warm | Warm | Warm | Warm | Warm | Warm | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 29 | Tropical |
| Feb | 29 | Tropical |
| Mar | 29 | Tropical |
| Apr | 29 | Tropical |
| May | 28 | Tropical |
| Jun | 27 | Warm |
| Jul | 26 | Warm |
| Aug | 25 | Warm |
| Sep | 25 | Warm |
| Oct | 26 | Warm |
| Nov | 28 | Warm |
| Dec | 29 | Tropical |
UV index in Surakarta in Summer
Clear-sky midday UV across summer 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 Surakarta peaks around March 13 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 14 at about 7 (very high).
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 | 13 | 14 | 12 | 8 | 7 | 9 | 11 | 13 | 13 | 9 | 11 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high | Extreme | Extreme | Extreme | Very high | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 13 | Extreme |
| Mar | 14 | Extreme |
| Apr | 12 | Extreme |
| May | 8 | Very high |
| Jun | 7 | Very high |
| Jul | 9 | Very high |
| Aug | 11 | Extreme |
| Sep | 13 | Extreme |
| Oct | 13 | Extreme |
| Nov | 9 | Very high |
| Dec | 11 | Extreme |
Air quality in Surakarta in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in Surakarta is worst in May — around 54 µg/m³ PM2.5 (poor), about 1.7× the cleanest month (September, 32 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 43 | 43 | 49 | 52 | 54 | 47 | 40 | 34 | 32 | 36 | 39 | 39 |
| Level | Poor | Poor | Poor | Poor | Poor | Poor | Poor | Moderate | Moderate | Poor | Poor | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 43 | Poor |
| Feb | 43 | Poor |
| Mar | 49 | Poor |
| Apr | 52 | Poor |
| May | 54 | Poor |
| Jun | 47 | Poor |
| Jul | 40 | Poor |
| Aug | 34 | Moderate |
| Sep | 32 | Moderate |
| Oct | 36 | Poor |
| Nov | 39 | Poor |
| Dec | 39 | Poor |
Where is Surakarta?
Surakarta sits at 7.6°S, 110.8°E, 100 m above sea level, in Indonesia. The nearest listed city is Grogol, 5.0 km away.
Topography around Surakarta
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Surakarta.
Within 3 km, the terrain around Surakarta has only modest variations in elevation — a maximum elevation change of 54 m around an average of 102 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 139 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,213 m.
The land around Surakarta is covered by artificial surfaces (85%) within 3 km, cropland (38%), artificial surfaces (30%) and trees (29%) within 16 km, and trees (62%) and cropland (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 Surakarta (-7.5561°, 110.8317°, elevation 100 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.