Hannan

Hannan Shi, Ōsaka-fu, Japan

Unlock Minute-by-Minute Forecast

See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.

Current Weather

21°

Light Rain and Humid

Feels Like: 21°

Min: 21°

Max: 23°

The next few hours will be humid and overcast, with tomorrow reaching 27°C and dropping to 19°C. The coming days will be light rain from afternoon until night.

Does this forecast seem accurate?

Unlock Historical Data

Compare today's weather with yesterday's data and track temperature trends over time.

Hourly Forecast

21° 21° 21° 21° 21° 21° 21° 20° 20° 20° 20° 21° 22° 23° 24° 25° 26° 27° 27° 27° 26° 25° 23° 23°
40%
40%
32%
32%
32%
18%
18%
18%
8%
36%
36%
36%
40%
40%
40%
16%
8pm
9pm
10pm
11pm
12am
1am
2am
3am
4am
5am
6am
7am
8am
9am
10am
11am
12pm
1pm
2pm
3pm
4pm
5pm
6pm
7pm
Today
Tomorrow

Daylight Hours

05:48

Sunrise

17:58

Sunset

12 hours 9 minutes of sunlight today

Moon

Waxing Crescent

10:42

Moonrise

20:38

Moonset

Daily Forecast

Today

21°
23°

Thursday

20°
27°

Friday

19°
28°

Saturday

21°
29°

Sunday

22°
29°

Monday

23°
28°

Tuesday

20°
26°

Wednesday

18°
27°

Thursday

18°
26°

Friday

17°
24°

Air Quality Data Available

Upgrade to access real-time air quality data for Hannan.

UV Index

No protection needed
0 Low
Low Extreme

Humidity

97% Very Humid
Low High

Weather in Hannan tomorrow, September 17, 2026

Rain features in Hannan on September 17, 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 32% by 00:00. The thickest cloud arrives around 00:00, reaching about 61%.

The day peaks near 27°C and cools toward 20°C. Moisture in the air spans 67%-98%, with the highest values around 00:00. Expect gentle winds, highest near 09:00 at 3.6 km/h.

The second half of the day still looks unsettled, with rain probability around 40% by 16:00. Dense cloud near 51% at 15:00 keeps the feel grey. Expect visibility around 16.1 km. Expect sunrise at 05:48, sunset at 17:56, and 12 hours 7 minutes of sunlight today overall.

Overall, Hannan on September 17, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 40% and the high sits around 27°C.

Frequently asked questions about weather in Hannan

How warm does it get in Hannan?

The warmest month in Hannan is August, with average high temperatures of 31°C. The average temperature during this period is around 28°C.

How cold does it get in Hannan?

The coldest month in Hannan is January, with average low temperatures of 4°C. The average temperature during this period is around 7°C.

What is the wettest time of year in Hannan?

The wettest month in Hannan is June, with an average of 267mm of precipitation.

What is the driest time of year in Hannan?

The driest month in Hannan is January, with an average of 69mm of precipitation.

View full climate insights for Hannan →

Airpult

Get accurate weather forecasts worldwide with real-time updates and severe weather alerts. Covering 6M+ locations with precise, reliable weather data.

© 2026 Samuenti GmbH. All rights reserved.

gb English
Metric (°C, km/h)