Shibukawa

Shibukawa-shi, Gunma-ken, Japan

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Current Weather

21°

Light Rain and Humid

Feels Like: 21°

Min: 21°

Max: 26°

The next few hours will be rain and humid, with today reaching 26°C and dropping to 23°C. The coming days will be light rain throughout the day.

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Hourly Forecast

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94%
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98%
98%
98%
100%
100%
100%
98%
98%
98%
78%
78%
78%
42%
42%
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Today
Tomorrow

Daylight Hours

05:36

Sunrise

17:35

Sunset

11 hours 58 minutes of sunlight today

Moon

Waxing Gibbous

14:49

Moonrise

00:35

Moonset

Daily Forecast

Monday

21°
26°

Tuesday

20°
28°

Wednesday

20°
23°

Thursday

19°
27°

Friday

17°
23°

Saturday

18°
20°

Sunday

17°
22°

Monday

19°
22°

Tuesday

16°
22°

Wednesday

14°
27°

Air Quality Data Available

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UV Index

No protection needed
0 Low
Low Extreme

Humidity

98% Very Humid
Low High

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Weather in Shibukawa today, September 21, 2026

Rain features in Shibukawa on September 21, 2026, so keep waterproofs handy through the day. The damp theme is strongest where shower chances rise. Early hours look the most unsettled, with rain probability near 100% by 04:00. The thickest cloud arrives around 01:00, reaching about 100%.

Temperatures climb from an overnight low near 21°C toward a daytime high of about 26°C. Moisture in the air spans 85%-98%, with the highest values around 01:00. Winds stay light, near 5.1 km/h by 23:00, so the day feels still more than breezy.

The second half of the day still looks unsettled, with rain probability around 100% by 13:00. Dense cloud near 100% at 12:00 keeps the feel grey. Visibility stays generally good near 7.8 km on average, though it can drop toward 0.2 km in thicker cloud or showers. Sunrise is at 05:36 and sunset at 17:35, giving 11 hours 58 minutes of sunlight today.

In short, treat September 21, 2026 in Shibukawa as a damp day: pack covers, watch the wetter hours, and expect a high near 26°C.

Frequently asked questions about weather in Shibukawa

How warm does it get in Shibukawa?

The warmest month in Shibukawa is August, with average high temperatures of 29°C. The average temperature during this period is around 25°C.

How cold does it get in Shibukawa?

The coldest month in Shibukawa is January, with average low temperatures of -2°C. The average temperature during this period is around 2°C.

What is the wettest time of year in Shibukawa?

The wettest month in Shibukawa is July, with an average of 218mm of precipitation.

What is the driest time of year in Shibukawa?

The driest month in Shibukawa is December, with an average of 51mm of precipitation.

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Metric (°C, km/h)