Osaka, Japan — Weather in April 2027

Climate Overview

Osaka, Japan in April has mild conditions, with highs averaging 18.9°C (66°F) and noticeably cooler mornings. Rain falls on about 10 days this month. Sea temperature stays cool at 15.3°C (60°F).

This month falls at the middle of Spring.

Daily highs in April gradually rise from around 17°C (63°F) at the start to 20°C (69°F) by month's end.

April sees fairly even rainfall, totalling about 139 mm across the month.

Expect around 9.4h of sunshine at the start of April, decreasing to 8.4h by the end.

The warmest days tend to fall around the 21th, averaging 20.8°C (69°F).

Compared to March, this month is about 5°C warmer with 0 fewer rainy days. Temperatures will rise further into May.

Monthly April Averages

Temperature

19°C / 10°C

Feels Like

18°C / 9°C

Rain

10 days · 138 mm

Sunshine

8.9h / day

Humidity

72% — Humid

Wind

16 km/h

Wind Direction

NW (310°)

Gusts

38 km/h

Daylight

13.1 h

Cloud Cover

60%

Clear Sky Days

UV Index

6 — High

Sea Temperature

15°C

Dew Point

10°C — Dry

Moon Phase

Waxing Gibbous · 61%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

HighLow

Daily Precipitation

Rainfall

Daily Sunshine

Sunshine

Daily Wind Speed

Wind Speed

Sun Position

Sunrise 05:28

Daylight 13h

Sunset 18:30

Compare Months

Month	Temp	Feels Like	Rain	Sun	Humidity	UV	Status	Details
January	9°C / 2°C	5°C / -2°C	6days (49 mm) Good	7.6h Good	74% Muggy	3.3 Moderate	Poor	View Details
February	10°C / 2°C	6°C / -1°C	7days (60 mm) Good	7.9h Good	72% Muggy	4.1 Moderate	Poor	View Details
March	14°C / 5°C	12°C / 3°C	10days (103 mm) Wet	8.4h Good	72% Muggy	4.9 Moderate	Fair	View Details
April	19°C / 10°C	18°C / 9°C	10days (138 mm) Wet	8.9h Good	72% Muggy	6 High	Good	View Details
May best	23°C / 15°C	24°C / 15°C	10days (164 mm) Wet	9.1h Good	73% Muggy	6.1 High	Excellent	View Details
June best	27°C / 20°C	29°C / 22°C	13days (215 mm) Wet	8.7h Good	78% Humid	6.5 High	Excellent	View Details
July	31°C / 24°C	35°C / 29°C	15days (222 mm) Wet	9.3h Good	80% Humid	7.6 Very High	Wet	View Details
August	32°C / 25°C	37°C / 30°C	12days (163 mm) Wet	10.4h Excellent	76% Humid	7.3 Very High	Poor	View Details
September	29°C / 22°C	32°C / 25°C	13days (170 mm) Wet	8.4h Good	78% Humid	6.4 High	Good	View Details
October best	22°C / 15°C	23°C / 15°C	11days (171 mm) Wet	7.7h Good	77% Humid	4.7 Moderate	Excellent	View Details
November best	17°C / 9°C	15°C / 7°C	7days (63 mm) Good	7.8h Good	76% Humid	3.6 Moderate	Good	View Details
December	11°C / 4°C	8°C / 1°C	6days (47 mm) Good	7.4h Good	75% Muggy	3.1 Moderate	Fair	View Details

What to Wear

Dress in layers — a mix of long sleeves, light sweaters, and a versatile jacket works best for changeable conditions.

A waterproof jacket or compact umbrella is recommended for occasional showers.

Packing List

Warm evening layerUmbrellaWaterproof jacketComfortable walking shoes

Frequently Asked Questions

Expand all

Is April a good time to visit Osaka?

April is typically good for visiting Osaka, with average highs of 19°C (66°F) and around 10 rainy days. Osaka, Japan in April has mild conditions, with highs averaging 18.9°C (66°F) and noticeably cooler mornings. Rain falls

Does it rain a lot in Osaka in April?

Osaka typically sees around 10 rainy days in April with 138 mm (5.4 in) of total rainfall. An umbrella should suffice.

Does it get cold at night in Osaka in April?

Nights in Osaka during April are cool at around 10°C (50°F). Bring a jacket or sweater for evenings.

What should I pack for Osaka in April?

With highs of 19°C (66°F) and lows of 10°C (50°F) in April, we recommend: Warm evening layer, Umbrella, Waterproof jacket, Comfortable walking shoes. Comfortable walking shoes are essential.

Is April among the best months weather-wise in Osaka?

April is not the most favourable month weather-wise in Osaka. Consider visiting during months with milder temperatures or less rainfall for a better experience.

What is the UV index in Osaka in April?

The average UV index in Osaka during April is 6 (high). Wear sunscreen SPF 30+, a hat, and sunglasses. Limit direct sun exposure between 10 AM and 4 PM.

How many hours of daylight are there in Osaka in April?

Osaka gets approximately 13 hours of daylight per day in April, with around 9 hours of sunshine.

Does it snow in Osaka in April?

Snow is uncommon in Osaka during April based on 10-year climate averages.

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