i Lasem
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 (91°F).
July is the coldest month, with lows around 21°C (71°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 is warmer than 82% of places in Indonesia.
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i 16-day forecast
- Feels like
- 33°
- Humidity
- 74%
- Wind
- 10 km/h E
- Gusts
- 23 km/h
- Cloud cover
- 48%
- Pressure
- 1010 hPa
- UV index
- 9
- Sunrise / Sunset
- 05:12 / 17:27
Next 48 hours
Pollen forecasts are only available in Europe.
Best time to visit Lasem
Average conditions per 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° | 30° | 31° | 31° | 31° | 31° | 32° | 33° | 33° | 32° | 30° |
| 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) | 259 | 199 | 203 | 135 | 103 | 65 | 34 | 22 | 39 | 80 | 151 | 236 |
| Rain days | 19 | 17 | 17 | 12 | 9 | 7 | 4 | 3 | 4 | 6 | 11 | 17 |
| Sunshine per day (h) | 5.5 | 5.8 | 6.3 | 7.6 | 8 | 8.1 | 9.2 | 10 | 9.7 | 9.1 | 8 | 6.1 |
| 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 | 84 | 83 | 81 | 79 | 76 | 73 | 71 | 73 | 77 | 82 |
| Wind (km/h) | 12 | 11 | 10 | 9 | 10 | 11 | 13 | 15 | 14 | 12 | 11 | 10 |
| Go score | 66 | 68 | 71 | 81 | 85 | 88 | 96 | 92 | 86 | 83 | 79 | 70 |
The go score (0–100) rewards daytime highs of 22–27 °C, mild nights, sunshine and few rainy days.
Lasem: tourist crowds by month
How busy it gets through the year — and the months with good weather and fewer visitors.
Lasem: sea water temperature
Wave height: 0.5 m
Swimming seasonJanuary–December
Average sea temperature by month
Landmarks nearby
Mountains, castles, museums, beaches and heritage sites within 25 km.
Lasem: practical information
Plugs, money, emergency numbers, safety and typical prices — everything to know before you go.
- Voltage
- 127 V · 50 Hz
- Driving
- Drive on the left
Indonesian Rupiah
IDR · Rp
1 USD ≈ 17,944.5 IDR
- Languages
- Indonesian
- Calling code
- +62
- Meal, casual restaurantIDR 136,400≈ $7.60
- CappuccinoIDR 37,000≈ $2.10
- Beer (0.5 l)IDR 52,300≈ $2.90
- Bottled water (1.5 l)IDR 17,250≈ $1.00
- Taxi, 5 kmIDR 93,500≈ $5.20
- Public transport ticketIDR 18,000≈ $1.00
- Mid-range hotel, per nightIDR 1,295,450≈ $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
11 earthquakes of magnitude 5 or more within 100 km in the last 51 years.
Strongest: M7 (2023).
How to get to Lasem
Nearest airports
- SOCAdisoemarmo International AirportSurakarta119 km
- SRGJenderal Ahmad Yani AirportSemarang123 km
- DHXDhoho International AirportKediri130 km
- KWBDewadaru AirportKarimunjawa146 km
Distances
- Jakarta512 km 8 h 52 · 1 h 18
- Surabaya156 km 2 h 42
- Bekasi496 km 8 h 36 · 1 h 17
- Bandung425 km 7 h 22 · 1 h 12
- Medan1,822 km 31 h 35 · 2 h 59
estimate
Hotels in Lasem
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 Lasem
Matched on the full year of temperature and rainfall.
Tuban
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Marabá
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Port Moresby
Imperatriz
i La Santisima Trinidad
Wildlife around here
The most-recorded species within 25 km, with their seasonality.
Frequently asked questions
When is the best time to visit Lasem?
Based on climate normals, the best time to visit Lasem is July–August.
What is the weather like in Lasem in October?
In October, Lasem averages a high of 33°C (91°F) and a low of 23°C (73°F), with 80 mm of rain on about 6 days.
How warm is the sea in Lasem?
The sea is warmest in November (about 30°C (85°F)). Swimming season: January–December.
What is the rainiest month in Lasem?
January, with rain on about 19 days.
What is the nearest airport to Lasem?
Adisoemarmo International Airport (SOC), about 119 km away.
What power plugs are used in Indonesia?
Plug types C, F, 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.
When is Lasem most crowded?
The busiest months are July.
When is Lasem least crowded?
The quietest months are January–February.
When is the best time to visit Lasem without the crowds?
April–May and September–October: good weather with fewer visitors than in peak season.
What time zone is Lasem in?
Asia/Jakarta (UTC+7).
What is the population of Lasem?
About 28,948.