Siwalan
Gresik Regency · Indonesia
Siwalan lies in East Java, Indonesia. By our climate data, the best time to visit is June–August. The warmest month is October, with average highs of 33°C (92°F); the sea is warmest in November at about 30°C (86°F).
The best months to visit are June–August.
The sea is warmest in November, at about 30°C (86°F).
Swimming season (water ≥ 21 °C): January–December.
October is the hottest month, with highs around 33°C (92°F).
July is the coldest month, with lows around 22°C (71°F).
The wettest month is January, with rain on about 18 days.
August is the sunniest month, with about 10.6 hours of sunshine a day.
In October, it’s warmer here than in 94% of places in Indonesia.
16-day forecast
- Feels like
- 31°
- Humidity
- 89%
- Wind
- 4 km/h W
- Gusts
- 8 km/h
- Cloud cover
- 3%
- Pressure
- 1013 hPa
- UV index
- 9 (now)
- Sunrise / Sunset
- 05:06 / 17:23
Next 48 hours
Pollen forecasts are only available in Europe.
Best time to visit Siwalan
Average conditions for each month, from long-term climate normals (1961–2020).
Month by month
| Climate | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | 30° | 31° | 31° | 31° | 31° | 31° | 31° | 32° | 33° | 33° | 32° | 31° |
| Average low | 23° | 23° | 23° | 23° | 23° | 22° | 22° | 22° | 23° | 23° | 24° | 23° |
| Sea temperature | 29° | 29° | 29° | 30° | 30° | 29° | 29° | 28° | 29° | 29° | 30° | 30° |
| Rainfall (mm) | 270 | 215 | 232 | 166 | 95 | 64 | 23 | 9 | 27 | 57 | 124 | 215 |
| Rain days | 18 | 17 | 16 | 11 | 8 | 6 | 3 | 2 | 2 | 4 | 7 | 15 |
| Sunshine per day (h) | 6.2 | 6.5 | 6.9 | 8.3 | 8.5 | 8.8 | 9.9 | 10.6 | 10.3 | 9.7 | 8.2 | 6.7 |
| 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 (%) | 83 | 83 | 83 | 81 | 79 | 76 | 74 | 71 | 69 | 70 | 74 | 80 |
| Wind (km/h) | 13 | 12 | 10 | 9 | 10 | 12 | 13 | 14 | 14 | 12 | 10 | 10 |
| Go score | 68 | 70 | 73 | 83 | 88 | 91 | 96 | 91 | 87 | 84 | 83 | 74 |
The go score (0–100) favours daytime highs of 22–27 °C, mild nights, plenty of sunshine and few rainy days.
Climate normals: WorldClim 2.1 (1970–2000) · CRU CL 2.0 (1961–1990) About this data: Climate normals
What to do in Siwalan, month by month
When each activity is at its best, judged from the climate averages.
Rainy season: November–April Dry season: May–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 | Good | Fair | Poor |
| Sightseeing & city walks | Poor | Poor | Poor | Fair | Fair | Fair | Fair | Fair | Fair | Poor | Fair | Poor |
| Diving & snorkelling | Poor | Poor | Poor | Fair | Good | Good | Good | Good | Good | Good | Good | Poor |
| Photography & sunsets | Fair | Fair | Fair | Fair | Good | Good | Good | Good | Good | Good | Good | 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.
Siwalan: sea water temperature
January–December
Average sea temperature by month
Landmarks nearby
Mountains, castles, museums, beaches and heritage sites within 25 km.
Siwalan: 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 ≈ 18,042.9 IDR
- Languages
- Indonesian
- Calling code
- +62
- Meal, casual restaurantIDR 137,150≈ $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 94,000≈ $5.20
- Public transport ticketIDR 18,100≈ $1.00
- Mid-range hotel, per nightIDR 1,302,550≈ $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
10 earthquakes of magnitude 5 or more within 100 km in the last 51 years.
Strongest: M7 (2023).
How to get to Siwalan
Nearest airports
- SUBJuanda International AirportSurabaya63 km
- DHXDhoho International AirportKediri105 km
- MLGAbdul Rachman Saleh AirportMalang114 km
Distances
- Jakarta623 km 10 h 48 · 1 h 27
- Surabaya49 km 51 min
- Bekasi606 km 10 h 31 · 1 h 26
- Bandung533 km 9 h 14 · 1 h 20
- Medan1,925 km 33 h 22 · 3 h 07
estimate
Hotels in Siwalan
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 Siwalan
Matched on temperature and rainfall across the whole year.
Sumenep
Marabá
Riberalta
Imperatriz
Port Moresby
Dili
Wildlife around here
The species recorded most often within 25 km, and the months they’re seen.
Climate in Siwalan
Add a free climate card for Siwalan to your website or blog. Copy the code below.
Frequently asked questions
When is the best time to visit Siwalan?
Based on climate normals, the best time to visit Siwalan is June–August.
What is the weather like in Siwalan in October?
In October, Siwalan averages a high of 33°C (92°F) and a low of 23°C (74°F), with 57 mm of rain on about 4 days.
How warm is the sea in Siwalan?
The sea is warmest in November (about 30°C (86°F)). Swimming season: January–December.
What is the rainiest month in Siwalan?
January, with rain on about 18 days.
What is the nearest airport to Siwalan?
Juanda International Airport (SUB), about 63 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 Siwalan in?
Asia/Jakarta (UTC+7).