Year-round weather and climate in Serang, Indonesia
Average temperatures in Serang run from an average low of 23°C73°F in July up to an average high of 34°C93°F in October. July is the driest month at 14 rainy days; January the wettest at 25. Here is the annual climate data, so you know what you are packing for.
Good to know
- Population
- 692K
- Currency
- IDR
- Language
- Indonesian
- Time zone
- Jakarta
Best time to visit
To avoid the most intense heat, the best time to visit is during the milder season around July, August, and September.
Rain character
Tropical Downpours: Expect intense bursts of rain during wetter months. Pack quick-drying footwear and a compact umbrella.
Day-to-night swing
Evening Chill: Temperatures drop by a noticeable 10°C18°F when the sun goes down. A light sweater or jacket is usually all you need for evening plans.
Seasonality Profile
Tropical Rainforest: Unrelenting heat and high humidity. Frequent, heavy rainfall persists throughout the entire year.
Evening vibe
Cozy Indoor Culture: Evenings are generally crisp, damp, or sweltering. Nightlife centers around indoor venues.
Sightseeing stamina
High Heat Fatigue: During the hotter half of the year, midday sun can cause heat exhaustion. Adopt a local rhythm: sightsee early, and rest indoors at 2 PM.
Average temperatures, sunshine, and rainfall
Average monthly weather in Serang, based on recent historical data. Essential insights on temperature swings, expected rainfall, and daily sunshine.
Bars span the average daily low to high. Jul is typically driest at 14 days (91mm); Jan the wettest at 25 days (235mm).
| Month | Average high | Average low | Sunshine hours | Rainy days | Total rainfall |
|---|---|---|---|---|---|
| Jan | 30°C / 87°F | 24°C / 75°F | 9h | 25 | 235mm |
| Feb | 30°C / 86°F | 24°C / 75°F | 9h | 24 | 262mm |
| Mar | 31°C / 87°F | 24°C / 75°F | 10h | 25 | 204mm |
| Apr | 31°C / 88°F | 24°C / 75°F | 10h | 24 | 165mm |
| May | 32°C / 89°F | 25°C / 76°F | 10h | 23 | 137mm |
| Jun | 32°C / 89°F | 24°C / 75°F | 10h | 22 | 140mm |
| Jul | 32°C / 89°F | 23°C / 74°F | 11h | 14 | 91mm |
| Aug | 33°C / 91°F | 24°C / 74°F | 11h | 16 | 80mm |
| Sep | 34°C / 92°F | 24°C / 75°F | 11h | 17 | 72mm |
| Oct | 34°C / 93°F | 24°C / 76°F | 11h | 19 | 110mm |
| Nov | 32°C / 90°F | 24°C / 76°F | 9h | 25 | 231mm |
| Dec | 31°C / 88°F | 24°C / 75°F | 9h | 25 | 265mm |
Weather data by Open-Meteo.com (opens in a new tab)
Frequently Asked Questions
When is the sunniest time of year to visit Serang?
The most sunshine in Serang comes around August, averaging 11 hours a month. If you're heading there then, pack your sunglasses and sunscreen.
What clothes should I pack for Serang?
Your packing list depends entirely on when you travel. Temperatures in Serang swing from an average low of 23°C73°F in July up to 34°C93°F in October. The Packola app builds a tailored packing list for you based on the live weather forecast for your exact travel dates.
Do I need to pack an umbrella for Serang?
Serang gets rain on about 259 days out of the year. The wettest month is January. If you're traveling during the rainy season, you'll definitely want to pack an umbrella and a light rain jacket.
Pack smarter.
Averages get you close, but the week you travel is what matters. Get the live forecast, a smart packing list, and discover the best local spots and activities in Serang with Packola.
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