Ambarawa in Spring
In spring (September, October and November), Ambarawa sees average daytime highs around 31°C and overnight lows near 22°C, with 514 mm of rain over about 49 wet days across the season. It is the warmest season of the year and the 3rd-wettest season.
Across spring, daytime highs hold fairly steady around 31°C. The sky is clear or mostly clear about 13% of the time across spring, and the air most often feels oppressive.
Spring is Ambarawa's 2nd-best season to visit on our travel score. For the whole year in context, see Ambarawa's year-round climate.
- Avg daytime high
- 31°C
- warmest season of the year
- Avg overnight low
- 22°C
- Rainfall
- 514 mm
- 49 wet days
- Avg wind
- 5 km/h
- Travel score
- 3.9
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Ambarawa in Spring
Across spring, daytime highs hold fairly steady around 31°C.
A typical spring day in Ambarawa reaches about 31°C and drops to 22°C overnight. The warmest of the three months is October, the coolest September.
How spring really feels in Ambarawa
Once humidity and wind are folded in, spring brings about 81 days that feel above 32°C and 0 that feel at or below 0°C.
The story in spring is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Ambarawa weather by month
How the three spring months (September, October and November) 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° / 22° | 502 | 30.2 | 12.4 | 3.0 |
| Feb | 28° / 22° | 473 | 27.8 | 12.2 | 2.9 |
| Mar | 29° / 22° | 430 | 30.1 | 12 | 2.8 |
| Apr | 29° / 22° | 276 | 27 | 11.8 | 3.0 |
| May | 30° / 22° | 126 | 18.9 | 11.7 | 4.1 |
| Jun | 30° / 21° | 76 | 12.1 | 11.6 | 4.9 |
| Jul | 30° / 21° | 48 | 8.7 | 11.6 | 5.4 |
| Aug | 30° / 21° | 32 | 5.2 | 11.8 | 5.6 |
| Sep | 31° / 21° | 53 | 7.3 | 12 | 4.8 |
| Oct | 31° / 22° | 148 | 16.5 | 12.2 | 3.8 |
| Nov | 30° / 22° | 313 | 25.3 | 12.3 | 3.0 |
| Dec | 29° / 22° | 467 | 29.2 | 12.4 | 2.9 |
Cloud cover in Spring
The sky is clear or mostly clear about 13% of the time across spring.
Chance of precipitation in Spring
Ambarawa gets around 514 mm of rain over 49 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 5 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 54 min in early September to 12 h 24 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 5.7 kWh/m².
Hazard calendar for Ambarawa
In spring, Ambarawa overlaps its cyclone and monsoon season. The full year is below, with each hazard's peak months called out.
Ambarawa sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Ambarawa's monsoon runs November–April, when most of the year's rain falls.
Is spring a good time to visit Ambarawa?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a weaker month for outdoor sightseeing in Ambarawa.
What to pack for Ambarawa in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Ambarawa sees daytime highs around 31°C and nights near 22°C. Pack light clothes, rain gear and sun protection. About 49 days see rain.
Sea temperature near Ambarawa in Spring
The nearest coast averages about 29°C across spring — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 43 km away) is warmest in May 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 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 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 | 30 | Tropical |
| May | 30 | Tropical |
| Jun | 29 | Tropical |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 30 | Tropical |
| Dec | 30 | Tropical |
UV index in Ambarawa in Spring
Clear-sky midday UV across spring averages around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Ambarawa peaks around March 16 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 14 at about 7 (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) | 11 | 12 | 14 | 11 | 8 | 7 | 10 | 11 | 12 | 12 | 8 | 12 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | High | Very high | Extreme | Extreme | Extreme | Very high | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 11 | Extreme |
| Feb | 12 | Extreme |
| Mar | 14 | Extreme |
| Apr | 11 | Extreme |
| May | 8 | Very high |
| Jun | 7 | High |
| Jul | 10 | Very high |
| Aug | 11 | Extreme |
| Sep | 12 | Extreme |
| Oct | 12 | Extreme |
| Nov | 8 | Very high |
| Dec | 12 | Extreme |
Air quality in Ambarawa in Spring
Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.
Air quality in Ambarawa is worst in April — around 58 µg/m³ PM2.5 (unhealthy), about 1.7× the cleanest month (September, 34 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) | 48 | 46 | 54 | 58 | 57 | 51 | 42 | 35 | 34 | 37 | 42 | 42 |
| Level | Poor | Poor | Poor | Unhealthy | Unhealthy | Poor | Poor | Moderate | Moderate | Poor | Poor | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 48 | Poor |
| Feb | 46 | Poor |
| Mar | 54 | Poor |
| Apr | 58 | Unhealthy |
| May | 57 | Unhealthy |
| Jun | 51 | Poor |
| Jul | 42 | Poor |
| Aug | 35 | Moderate |
| Sep | 34 | Moderate |
| Oct | 37 | Poor |
| Nov | 42 | Poor |
| Dec | 42 | Poor |
Where is Ambarawa?
Ambarawa sits at 7.3°S, 110.4°E, 481 m above sea level, in Indonesia. The nearest listed city is Salatiga, 13 km away.
Topography around Ambarawa
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ambarawa.
Within 3 km, the terrain around Ambarawa has significant variations in elevation — a maximum elevation change of 394 m around an average of 540 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,882 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,293 m.
The land around Ambarawa is covered by trees (36%), cropland (36%) and artificial surfaces (22%) within 3 km, trees (72%) within 16 km, and trees (55%) and cropland (21%) 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 Ambarawa (-7.2633°, 110.3975°, elevation 481 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.