Live Weather & Forecast
Weather in Iwamizawa
Hokkaido, Japan · Real-time conditions & 3-day outlook
9°C
Feels like 8°C
48°F / Feels 46°F
Partly cloudy
Iwamizawa, Hokkaido
🌞 Daytime
Updated: 2026-04-15 17:30
Humidity
62%
Wind
7.6 km/h WNW
Wind Gust
10.8 km/h
Pressure
1016 mb
Visibility
10 km
UV Index
0.2
(Low)
Precipitation
0 mm
Cloud Cover
75%
Dew Point
0.4°C
Wind Degree
287°
Air Quality Index
US EPA: Good
UK DEFRA: Low (2)
CO
150.9 μg/m³
NO₂
6 μg/m³
O₃
70 μg/m³
SO₂
3.7 μg/m³
PM 2.5
15.1 μg/m³
PM 10
19.6 μg/m³
Today's Hourly Forecast
24-hour breakdown for Iwamizawa, Hokkaido
12 AM
3°
Clear
1 AM
3°
Clear
2 AM
3°
Clear
3 AM
2°
Clear
4 AM
2°
Clear
5 AM
1°
Sunny
6 AM
3°
Partly Cloudy
7 AM
6°
Partly Cloudy
8 AM
8°
Partly Cloudy
9 AM
10°
Partly Cloudy
10 AM
12°
Partly Cloudy
11 AM
13°
Partly Cloudy
12 PM
14°
Overcast
1 PM
14°
Overcast
2 PM
14°
Overcast
3 PM
13°
Patchy rain nearby
4 PM
12°
Overcast
5 PM
9°
Partly cloudy
6 PM
9°
Patchy rain nearby
7 PM
8°
Patchy rain nearby
8 PM
8°
Patchy rain nearby
9 PM
8°
Patchy rain nearby
10 PM
7°
Patchy rain nearby
11 PM
7°
Patchy rain nearby
3-Day Forecast
Daily overview for Iwamizawa, Hokkaido
Today
Patchy rain nearby
14°
/
1°
🌧️ 81% chance of rain
💧 Avg. humidity: 48%
💨 Max wind: 9 km/h
🌧️ Total precip: 0.16 mm
☀️ UV Index: 1.1
🌅 Sunrise: 04:52 AM
🌇 Sunset: 06:15 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Sunny
15°
/
4°
🌧️ 0% chance of rain
💧 Avg. humidity: 61%
💨 Max wind: 16.6 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.4
🌅 Sunrise: 04:50 AM
🌇 Sunset: 06:16 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Partly Cloudy
12°
/
3°
🌧️ 0% chance of rain
💧 Avg. humidity: 60%
💨 Max wind: 23.8 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.2
🌅 Sunrise: 04:48 AM
🌇 Sunset: 06:17 PM
🌙 New Moon
🌑 Moon: 0% lit
Best Time to Visit Iwamizawa
Plan your trip to Iwamizawa, Japan around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Iwamizawa?
Current conditions in Iwamizawa: Partly cloudy, temperature 9°C, humidity 62%.
What is the best time to visit Iwamizawa?
The best time to visit Iwamizawa is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Iwamizawa?
Iwamizawa is located at approximately 43.2° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Iwamizawa?
The wettest period in Iwamizawa is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Iwamizawa?
For visits to Iwamizawa during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What are the public holidays in Iwamizawa in 2026?
View the 2026 public holidays for Iwamizawa on our Holidays page.
What are the GPS coordinates used for the weather forecast in Iwamizawa?
The weather forecast for Iwamizawa uses coordinates 43.1961, 141.7754.