Agano River Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Agano River year round climate
Spring (March–May): Average 5.4–16.7°C, mild climate, but still chilly in early spring, moderate rainfall. Common activities: Hiking, flower viewing. Recommended clothing: Light jacket, long-sleeved shirt, warm clothing for mornings and evenings.
Summer (June–August): Average 21.6–27.5°C, hot and humid, most rainfall in July. Common activities: Boating on the Agano River, sightseeing in summer resorts. Recommended clothing: Breathable clothing, loose-fitting pants, sun hat.
Autumn (September–November): Average 8.9–23.9°C, comfortable and pleasant climate, moderate rainfall. Common activities: Maple viewing, rural experiences. Recommended clothing: Light jacket, long-sleeved shirt.
Winter (December–February): Average 0.2–2.6°C, cold and dry, low probability of snowfall. Common activities: Hot spring experiences, skiing (requires going to mountainous areas). Recommended clothing: Warm jacket, hat, scarf, gloves.
Agano River climatological average
Annual average temperature: approx. 13.5°C / Annual rainfall: approx. 1102 mm / Summer humidity: 70%–80% / Rainiest month: July
Agano River monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
0.2°C
80
February
1.2°C
62.7
March
5.4°C
75.3
April
12.7°C
61.3
May
16.7°C
73.3
June
21.6°C
134.3
July
26.1°C
139
August
27.5°C
78.3
September
23.9°C
109
October
14.9°C
81.3
November
8.9°C
97
December
2.6°C
111.3
Agano River weather for the next seven days
4/3
Friday
Partly Cloudy
11.5°C/-1.6°C
4/4
Saturday
Moderate rain
14.6°C/2.5°C
4/5
Sunday
Patchy rain nearby
16.2°C/7.9°C
4/6
Monday
Patchy rain nearby
18.8°C/6.7°C
4/7
Tuesday
Patchy rain nearby
16.1°C/5.6°C
4/8
Wednesday
Patchy rain nearby
8.2°C/-0.7°C
4/9
Thursday
Sunny
17.7°C/-1.5°C
KKday App
Your Best Travel Buddy
Use the code APP5OFF to enjoy an exclusive in-app deal of 5% off (cap at USD$3) on your 1st orderScan here to download the app