Live Weather & Forecast
Weather in Joetsu
Niigata, Japan · Real-time conditions & 3-day outlook
11°C
Feels like 11°C
52°F / Feels 53°F
Light rain
Joetsu, Niigata
🌙 Nighttime
Updated: 2026-04-15 20:00
Humidity
96%
Wind
3.6 km/h W
Wind Gust
4.3 km/h
Pressure
1014 mb
Visibility
9 km
UV Index
0
(Low)
Precipitation
1.34 mm
Cloud Cover
100%
Dew Point
10.4°C
Wind Degree
258°
Air Quality Index
US EPA: Moderate
UK DEFRA: Low (2)
CO
271.9 μg/m³
NO₂
8.6 μg/m³
O₃
89 μg/m³
SO₂
6.8 μg/m³
PM 2.5
18.2 μg/m³
PM 10
22.1 μg/m³
Today's Hourly Forecast
24-hour breakdown for Joetsu, Niigata
12 AM
12°
Partly Cloudy
1 AM
12°
Patchy rain nearby
2 AM
11°
Partly Cloudy
3 AM
11°
Cloudy
4 AM
11°
Patchy rain nearby
5 AM
11°
Patchy rain nearby
6 AM
11°
Partly Cloudy
7 AM
13°
Patchy rain nearby
8 AM
15°
Patchy rain nearby
9 AM
15°
Partly Cloudy
10 AM
15°
Patchy rain nearby
11 AM
16°
Patchy rain nearby
12 PM
16°
Patchy rain nearby
1 PM
14°
Patchy rain nearby
2 PM
14°
Patchy rain nearby
3 PM
13°
Light drizzle
4 PM
13°
Patchy light drizzle
5 PM
12°
Light rain
6 PM
11°
Moderate rain
7 PM
11°
Light rain
8 PM
11°
Light rain
9 PM
11°
Light rain
10 PM
11°
Light rain
11 PM
11°
Light rain
3-Day Forecast
Daily overview for Joetsu, Niigata
Today
Moderate rain
16°
/
11°
🌧️ 97% chance of rain
💧 Avg. humidity: 83%
💨 Max wind: 8.6 km/h
🌧️ Total precip: 13.54 mm
☀️ UV Index: 0.7
🌅 Sunrise: 05:14 AM
🌇 Sunset: 06:21 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Patchy rain nearby
13°
/
9°
🌧️ 95% chance of rain
💧 Avg. humidity: 79%
💨 Max wind: 18.4 km/h
🌧️ Total precip: 0.48 mm
☀️ UV Index: 1.3
🌅 Sunrise: 05:12 AM
🌇 Sunset: 06:22 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Overcast
15°
/
8°
🌧️ 0% chance of rain
💧 Avg. humidity: 57%
💨 Max wind: 10.4 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.8
🌅 Sunrise: 05:11 AM
🌇 Sunset: 06:23 PM
🌙 New Moon
🌑 Moon: 0% lit
Best Time to Visit Joetsu
Plan your trip to Joetsu, 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 Joetsu?
Current conditions in Joetsu: Light rain, temperature 11°C, humidity 96%.
What is the best time to visit Joetsu?
The best time to visit Joetsu is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Joetsu?
Joetsu is located at approximately 37.1° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Joetsu?
The wettest period in Joetsu is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Joetsu?
For visits to Joetsu during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What are the public holidays in Joetsu in 2026?
View the 2026 public holidays for Joetsu on our Holidays page.
What are the GPS coordinates used for the weather forecast in Joetsu?
The weather forecast for Joetsu uses coordinates 37.1479, 138.236.