Weleri in Spring
In spring (September, October and November), Weleri sees average daytime highs around 27°C and overnight lows near 23°C, with 658 mm of rain over about 60 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 27°C. The sky is clear or mostly clear about 20% of the time across spring, and the air most often feels oppressive.
Spring is Weleri's 2nd-best season to visit on our travel score. Weleri 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 Weleri's year-round climate.
- Avg daytime high
- 27°C
- warmest season of the year
- Avg overnight low
- 23°C
- Rainfall
- 658 mm
- 60 wet days
- Avg wind
- 6 km/h
- Travel score
- 5.0
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Weleri in Spring
Across spring, daytime highs hold fairly steady around 27°C.
A typical spring day in Weleri reaches about 27°C and drops to 23°C overnight. The warmest of the three months is October, the coolest September.
Weleri 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 | 26° / 23° | 490 | 30.4 | 12.4 | 3.4 |
| Feb | 26° / 23° | 457 | 27.6 | 12.2 | 3.4 |
| Mar | 26° / 23° | 438 | 30.3 | 12 | 3.4 |
| Apr | 27° / 23° | 316 | 27.1 | 11.9 | 3.8 |
| May | 27° / 24° | 139 | 20.4 | 11.7 | 5.0 |
| Jun | 26° / 23° | 94 | 14.3 | 11.6 | 5.9 |
| Jul | 26° / 23° | 60 | 11.9 | 11.6 | 6.5 |
| Aug | 26° / 23° | 49 | 11.7 | 11.8 | 6.5 |
| Sep | 26° / 23° | 73 | 12.7 | 12 | 6.2 |
| Oct | 27° / 23° | 188 | 19.5 | 12.2 | 5.0 |
| Nov | 27° / 23° | 398 | 27.3 | 12.3 | 3.8 |
| Dec | 26° / 23° | 570 | 29.8 | 12.4 | 3.4 |
Cloud cover in Spring
The sky is clear or mostly clear about 20% of the time across spring.
Chance of precipitation in Spring
Weleri gets around 658 mm of rain over 60 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 6 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 Weleri
In spring, Weleri overlaps its cyclone and rainy season season. The full year is below, with each hazard's peak months called out.
Weleri sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Weleri's rainy season runs November–April, when most of the year's rain falls.
Is spring a good time to visit Weleri?
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 reasonable time to visit Weleri for sightseeing.
What to pack for Weleri in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Weleri sees daytime highs around 27°C and nights near 23°C. Pack rain gear and sun protection. Worth having: light clothes. About 60 days see rain.
Sea temperature near Weleri 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 offshore 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 Weleri in Spring
Clear-sky midday UV across spring averages around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Weleri peaks around March 14 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 15 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 | 13 | 14 | 11 | 8 | 7 | 9 | 11 | 12 | 10 | 6 | 12 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high | Extreme | Extreme | Extreme | High | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 11 | Extreme |
| Feb | 13 | Extreme |
| Mar | 14 | Extreme |
| Apr | 11 | Extreme |
| May | 8 | Very high |
| Jun | 7 | Very high |
| Jul | 9 | Very high |
| Aug | 11 | Extreme |
| Sep | 12 | Extreme |
| Oct | 10 | Extreme |
| Nov | 6 | High |
| Dec | 12 | Extreme |
Air quality in Weleri 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 Weleri is worst in May — around 45 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 33 | 30 | 38 | 43 | 45 | 41 | 36 | 36 | 38 | 39 | 38 | 34 |
| Level | Moderate | Moderate | Poor | Poor | Poor | Poor | Poor | Poor | Poor | Poor | Poor | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 33 | Moderate |
| Feb | 30 | Moderate |
| Mar | 38 | Poor |
| Apr | 43 | Poor |
| May | 45 | Poor |
| Jun | 41 | Poor |
| Jul | 36 | Poor |
| Aug | 36 | Poor |
| Sep | 38 | Poor |
| Oct | 39 | Poor |
| Nov | 38 | Poor |
| Dec | 34 | Moderate |
Where is Weleri?
Weleri sits at 7.0°S, 110.1°E, 17 m above sea level, in Indonesia. The nearest listed city is Semarang, 39 km away.
Topography around Weleri
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Weleri.
Within 3 km, the terrain around Weleri has only modest variations in elevation — a maximum elevation change of 220 m around an average of 30 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 757 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,293 m.
The land around Weleri is covered by cropland (40%), trees (37%) and artificial surfaces (21%) within 3 km, trees (46%), cropland (23%) and water (21%) within 16 km, and trees (49%) and water (31%) 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 Weleri (-6.9713°, 110.0666°, elevation 17 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.