Iwanai

Iwanai-gun, Hokkaido, Japan

Forecast Summary

The next few hours will be windy and overcast, with today reaching 13°C and dropping to 12°C. The coming days will be light rain and windy throughout the day.

Current Weather

13°

Breezy and Overcast

Feels Like

18°

Min

12°

Max

13°

Compared to Yesterday

Unlock Historical Data

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

Upgrade Now

Hourly Forecast

Weather forecast for the next 48 hours.

12° 13° 13° 12° 12° 12° 12° 12° 12° 12° 12° 12° 12° 12° 12° 13° 13° 13° 14° 14° 15° 16° 16° 17° 17° 17° 18° 18° 18° 18° 17° 16° 15° 15° 15° 15° 15° 14° 14° 14° 14° 14° 14° 14° 14° 14° 14° 14°

8%

16%

24%

46%

68%

90%

63%

35%

10am
11am
12pm
1pm
2pm
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
12am
1am
2am
3am
4am
5am
6am
7am
8am
9am
10am
11am
12pm
1pm
2pm
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
12am
1am
2am
3am
4am
5am
6am
7am
8am
9am
Today
Tomorrow
Saturday

UV Index

Wear sunscreen

4 Moderate
Low Extreme

Humidity

Current air moisture level

68% Comfortable
Low High

Daylight Hours

14 hours 39 minutes of sunlight today

04:14

Sunrise

18:54

Sunset

Daily Forecast

Weather forecast for the next 8 days.

Today

12°
13°

Friday

12°
18°

Saturday

13°
14°

Sunday

12°
15°

Monday

13°
13°

Tuesday

12°
14°

Wednesday

12°
14°

Thursday

13°
16°

Air Quality Data Available

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

Upgrade Now
Powered by Airpult

Frequently asked questions about weather in Iwanai

How warm does it get in Iwanai?

The warmest month in Iwanai is August, with average high temperatures of 24°C. The average temperature during this period is around 21°C.

How cold does it get in Iwanai?

The coldest month in Iwanai is January, with average low temperatures of -6°C. The average temperature during this period is around -4°C.

What is the wettest time of year in Iwanai?

The wettest month in Iwanai is August, with an average of 170mm of precipitation.

What is the driest time of year in Iwanai?

The driest month in Iwanai is April, with an average of 77mm of precipitation.

View full climate insights for Iwanai →

Stay informed

Latest Weather News

  ·  

   

  ·  

   

  ·  

   

  ·  

   

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.

Cookie Settings
gb English
Metric (°C, km/h)

Confirm