Annaka

Annaka Shi, Gunma-ken, Japan

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Current Weather

20°

Light Rain and Humid

Feels Like: 21°

Min: 20°

Max: 23°

The next few hours will be rain and humid, with today reaching 23°C and dropping to 22°C. The coming days will be light rain throughout the day.

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Hourly Forecast

20° 20° 21° 21° 21° 21° 21° 22° 22° 22° 23° 23° 23° 23° 23° 23° 23° 23° 23° 23° 23° 23° 23° 22°
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98%
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100%
100%
94%
94%
94%
56%
56%
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12pm
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Today
Tomorrow

Daylight Hours

05:37

Sunrise

17:36

Sunset

11 hours 58 minutes of sunlight today

Moon

Waxing Gibbous

14:48

Moonrise

00:36

Moonset

Daily Forecast

Monday

20°
23°

Tuesday

21°
29°

Wednesday

20°
24°

Thursday

19°
26°

Friday

18°
24°

Saturday

17°
19°

Sunday

17°
21°

Monday

18°
22°

Tuesday

17°
24°

Wednesday

15°
25°

Air Quality Data Available

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UV Index

No protection needed
0 Low
Low Extreme

Humidity

96% Very Humid
Low High

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Weather in Annaka today, September 21, 2026

Expect unsettled, showery conditions in Annaka on September 21, 2026 as rain moves through. The day opens on a wet note and needs flexible outdoor plans. The morning carries the wetter risk, with rain chances near 100% and the highest odds around 04:00. Cloud is also thick early on, peaking near 100% around 01:00.

Expect highs of 23°C and cooler readings close to 20°C. The air stays humid, with relative humidity between 89% and 97% and the peak around 12:00. Expect gentle winds, highest near 23:00 at 4.6 km/h.

Expect the wet theme to continue later, as rain odds reach 100% near 12:00. Cloud amounts hold near 100% around 12:00. Expect visibility near 7.3 km, with poorer spells close to 0.6 km. Daylight runs from 05:37 to 17:36, lasting 11 hours 58 minutes of sunlight today.

The practical takeaway for Annaka on September 21, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 23°C.

Frequently asked questions about weather in Annaka

How warm does it get in Annaka?

The warmest month in Annaka is August, with average high temperatures of 30°C. The average temperature during this period is around 26°C.

How cold does it get in Annaka?

The coldest month in Annaka is January, with average low temperatures of 0°C. The average temperature during this period is around 4°C.

What is the wettest time of year in Annaka?

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

What is the driest time of year in Annaka?

The driest month in Annaka is December, with an average of 43mm of precipitation.

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Metric (°C, km/h)