Climate guide for Lake Toba, Indonesia

Lake Toba in April

Weather, crowds & best time to visit

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April · Indonesia

Best time to visit Lake Toba in April Weather, crowds & prices

Weather in Lake Toba in April

Average temperature 21°C, 229 mm of rain, about 19 days with 6+ hours of sunshine and 89% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

April score

6.5/10

Ranked #4 of 12 months

Full year for Lake Toba
Avg temp
21°C
Rainfall
229 mm
Humidity
89%
Days with 6h+ sun
19
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

April in Lake Toba scores 6.5/10 for nature and wildlife travel - an above-average month (#4 of 12). Expect around 21°C, 229 mm of rain, and roughly 19 days with 6+ hours of sunshine this month.

Lake Toba fills a vast volcanic caldera on Sumatra-Batak villages on Samosir Island and misty lakeside viewpoints. Best window: the drier months outside peak monsoon.

April in Lake Toba: mixed conditions, plan around the weather

Trail conditions at 21°C (70°F) favour early starts and shaded routes in April; midday is for water breaks, not for exposed climbs.

Expect monsoon-level rainfall at 229 mm: only about 19 days with 6+ hours of sunshine across the month, and stretches of heavy rain are normal.

That is 6.5/10 on the same scale — 4th of 12 months, versus 6.8/10 for the best month here.

Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella, footwear you can get muddy.

Expect mid-season pricing, and crowds are moderate.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Lake Toba in April?
In April, Lake Toba averages 21°C, 229 mm of rain, and about 19 days with 6+ hours of sunshine. Its climate-comfort score is 6.5/10.
Is April a good time to visit Lake Toba?
April earns a 6.5/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Lake Toba in April?
Expect about 229 mm of rain in April. Average humidity is 89% and there are about 19 days with 6+ hours of sunshine.

Curated in Lake Toba

Tickets & experiences

Things to do in Lake Toba

Lake Toba, Indonesia. Live activities and tours from GetYourGuide, matched to this destination.