Hirao

Shimotakai-gun, Nagano-ken, Japan

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Current Weather

21°

Rain

Feels Like: 21°

Min: 20°

Max: 24°

The next few hours will be misty and humid, with today reaching 24°C and dropping to 20°C. The coming days will be light rain throughout the day.

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Hourly Forecast

21° 21° 21° 22° 23° 23° 23° 23° 24° 24° 24° 23° 23° 22° 22° 22° 22° 21° 21° 21° 21° 21° 21° 20°
94%
94%
86%
86%
86%
90%
90%
90%
96%
96%
96%
94%
94%
94%
96%
96%
96%
100%
100%
100%
100%
100%
100%
100%
5am
6am
7am
8am
9am
10am
11am
12pm
1pm
2pm
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
12am
1am
2am
3am
4am
Today
Tomorrow

Daylight Hours

05:39

Sunrise

17:38

Sunset

11 hours 58 minutes of sunlight today

Moon

Waxing Gibbous

14:52

Moonrise

00:37

Moonset

Daily Forecast

Monday

20°
24°

Tuesday

16°
22°

Wednesday

16°
24°

Thursday

15°
22°

Friday

15°
24°

Saturday

16°
19°

Sunday

17°
21°

Monday

15°
23°

Tuesday

14°
19°

Wednesday

12°
21°

Air Quality Data Available

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UV Index

No protection needed
0 Low
Low Extreme

Humidity

95% Very Humid
Low High

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Weather in Hirao today, September 21, 2026

Hirao looks damp on September 21, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly. Early hours look the most unsettled, with rain probability near 94% by 05:00. The thickest cloud arrives around 05:00, reaching about 100%.

The temperature range runs from about 20°C up to 24°C. Relative humidity sits between 94% and 100%, reaching its peak around 18:00. A lighter breeze peaks around 23:00 near 3.6 km/h.

Expect the wet theme to continue later, as rain odds reach 100% near 22:00. Cloud amounts hold near 100% around 12:00. Expect visibility near 1.6 km, with poorer spells close to 0.0 km. Sunrise is at 05:39 and sunset at 17:38, giving 11 hours 58 minutes of sunlight today.

Overall, Hirao on September 21, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 100% and the high sits around 24°C.

Frequently asked questions about weather in Hirao

How warm does it get in Hirao?

The warmest month in Hirao is August, with average high temperatures of 27°C. The average temperature during this period is around 23°C.

How cold does it get in Hirao?

The coldest month in Hirao is January, with average low temperatures of -6°C. The average temperature during this period is around -3°C.

What is the wettest time of year in Hirao?

The wettest month in Hirao is July, with an average of 277mm of precipitation.

What is the driest time of year in Hirao?

The driest month in Hirao is November, with an average of 104mm of precipitation.

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Metric (°C, km/h)