i Sumber
Kabupaten Rembang · Indonesia
The best months to visit are July–August.
The sea is warmest in November, at about 30°C (85°F).
Swimming season (water ≥ 21 °C): January–December.
September is the hottest month, with highs around 33°C (92°F).
July is the coldest month, with lows around 21°C (70°F).
The wettest month is January, with rain on about 19 days.
August is the sunniest month, with about 10 hours of sunshine a day.
In October, it’s warmer here than in 94% of places in Indonesia.
16-day forecast
- Feels like
- 36°
- Humidity
- 46%
- Wind
- 10 km/h S
- Gusts
- 26 km/h
- Cloud cover
- 82%
- Pressure
- 1013 hPa
- UV index
- 0 (now)
- Sunrise / Sunset
- 05:12 / 17:28
Next 48 hours
Pollen forecasts are only available in Europe.
Best time to visit Sumber
Average conditions for each month, from long-term climate normals (1961–2020).
Month by month
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | 30° | 30° | 31° | 31° | 31° | 31° | 32° | 33° | 33° | 33° | 32° | 31° |
| Average low | 22° | 22° | 22° | 23° | 23° | 22° | 21° | 22° | 22° | 23° | 23° | 23° |
| Sea temperature | 29° | 29° | 29° | 30° | 30° | 29° | 29° | 28° | 29° | 29° | 30° | 30° |
| Rainfall (mm) | 274 | 217 | 210 | 140 | 106 | 67 | 39 | 29 | 55 | 97 | 168 | 248 |
| Rain days | 19 | 17 | 16 | 12 | 9 | 7 | 4 | 3 | 4 | 7 | 12 | 17 |
| Sunshine per day (h) | 5.5 | 5.8 | 6.3 | 7.7 | 8.1 | 8.1 | 9.2 | 10 | 9.7 | 9.1 | 8.1 | 6.2 |
| Daylight (h) | 12.5 | 12.3 | 12.2 | 12 | 11.8 | 11.7 | 11.8 | 11.9 | 12.1 | 12.3 | 12.4 | 12.5 |
| Humidity (%) | 85 | 85 | 85 | 83 | 81 | 80 | 77 | 73 | 72 | 73 | 77 | 83 |
| Wind (km/h) | 12 | 11 | 10 | 8 | 9 | 11 | 13 | 14 | 14 | 12 | 11 | 10 |
| Go score | 66 | 68 | 71 | 81 | 85 | 87 | 93 | 89 | 84 | 79 | 76 | 70 |
The go score (0–100) favours daytime highs of 22–27 °C, mild nights, plenty of sunshine and few rainy days.
What to do in Sumber, month by month
When each activity is at its best, judged from the climate averages.
Rainy season: November–May Dry season: June–October (Based on average monthly rainfall)
| Activities | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Beach & swimming | Poor | Poor | Poor | Poor | Fair | Fair | Good | Good | Good | Fair | Poor | Poor |
| Sightseeing & city walks | Poor | Poor | Poor | Poor | Fair | Fair | Fair | Fair | Poor | Poor | Fair | Poor |
| Diving & snorkelling | Poor | Poor | Poor | Fair | Good | Good | Good | Good | Good | Good | Fair | Poor |
| Photography & sunsets | Fair | Fair | Fair | Fair | Fair | Good | Good | Good | Good | Good | Fair | Fair |
Good Fair Poor · Estimated from long-term averages of temperature, rain days, sunshine and sea temperature.
How each activity is rated
- Beach & swimming — Good: sea ≥ 24 °C, highs ≥ 26 °C and at most 6 rain days (or under 40 mm of rain in the month). Fair: sea ≥ 21 °C, highs ≥ 23 °C and at most 10 rain days (or under 80 mm).
- Sightseeing & city walks — Good: highs of 15–27 °C and few rain days. Fair: 11–33 °C.
- Diving & snorkelling — Good: sea ≥ 25 °C in a dry spell. Fair: ≥ 22 °C, or ≥ 20 °C near known dive sites.
- Photography & sunsets — Good: at least 7 hours of sunshine a day and few rain days. Fair: 5 hours or more.
Sumber: sea water temperature
January–December
Average sea temperature by month
Landmarks nearby
Mountains, castles, museums, beaches and heritage sites within 25 km.
Sumber: practical information
Plugs, money, emergency numbers, safety and typical prices: what to know before you go.
- Voltage
- 127 V · 50 Hz
- Driving
- Drive on the left
Indonesian Rupiah
IDR · Rp
1 USD ≈ 18,031 IDR
- Languages
- Indonesian
- Calling code
- +62
- Meal, casual restaurantIDR 137,050≈ $7.60
- CappuccinoIDR 37,200≈ $2.10
- Beer (0.5 l)IDR 52,600≈ $2.90
- Bottled water (1.5 l)IDR 17,350≈ $1.00
- Taxi, 5 kmIDR 93,950≈ $5.20
- Public transport ticketIDR 18,050≈ $1.00
- Mid-range hotel, per nightIDR 1,301,650≈ $72.00
Estimated from Indonesia’s consumer price level — real prices vary by place and season. Prices are about 31% of US levels.
- Dec 25Christmas Day
- Jan 1New Year's Day
8 earthquakes of magnitude 5 or more within 100 km in the last 51 years.
Strongest: M6.1 (2019).
How to get to Sumber
Nearest airports
- SOCAdisoemarmo International AirportSurakarta97 km
- SRGJenderal Ahmad Yani AirportSemarang99 km
- DHXDhoho International AirportKediri130 km
- KWBDewadaru AirportKarimunjawa140 km
- JOGAdisutjipto International AirportYogyakarta143 km
Distances
- Jakarta492 km 8 h 31 · 1 h 17
- Surabaya172 km 2 h 59
- Bekasi476 km 8 h 15 · 1 h 16
- Bandung403 km 6 h 59 · 1 h 10
- Medan1,813 km 31 h 25 · 2 h 58
estimate
Hotels in Sumber
Hotels and holiday rentals with live nightly prices.
We may earn a commission when you book through this map, at no extra cost to you.
Places with a climate like Sumber
Matched on temperature and rainfall across the whole year.
Bojonegoro
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Riberalta
Marabá
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Port Moresby
Itaituba
i La Santisima Trinidad
Wildlife around here
The species recorded most often within 25 km, and the months they’re seen.
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Climate in Sumber
Add a free climate card for Sumber to your website or blog. Copy the code below.
Frequently asked questions
When is the best time to visit Sumber?
Based on climate normals, the best time to visit Sumber is July–August.
What is the weather like in Sumber in October?
In October, Sumber averages a high of 33°C (92°F) and a low of 23°C (73°F), with 97 mm of rain on about 7 days.
How warm is the sea in Sumber?
The sea is warmest in November (about 30°C (85°F)). Swimming season: January–December.
What is the rainiest month in Sumber?
January, with rain on about 19 days.
What is the nearest airport to Sumber?
Adisoemarmo International Airport (SOC), about 97 km away.
What power plugs are used in Indonesia?
Plug types C, F, at 127 V.
What currency is used in Indonesia?
Indonesian Rupiah (IDR).
What is the emergency number in Indonesia?
112.
Is Indonesia safe to visit?
US travel advisory: Exercise increased caution. UK travel advice: No travel warnings.
What time zone is Sumber in?
Asia/Jakarta (UTC+7).