Live Weather & Forecast
Weather in Shiojiri
Nagano, Japan · Real-time conditions & 3-day outlook
11°C
Feels like 12°C
52°F / Feels 53°F
Light rain
Shiojiri, Nagano
🌙 Nighttime
Updated: 2026-04-15 20:15
Humidity
97%
Wind
3.6 km/h N
Wind Gust
4.1 km/h
Pressure
1012 mb
Visibility
9 km
UV Index
0
(Low)
Precipitation
1.2 mm
Cloud Cover
100%
Dew Point
10.8°C
Wind Degree
10°
Air Quality Index
US EPA: Moderate
UK DEFRA: Low (2)
CO
276.9 μg/m³
NO₂
7.2 μg/m³
O₃
94 μg/m³
SO₂
8 μg/m³
PM 2.5
19.7 μg/m³
PM 10
27.7 μg/m³
Today's Hourly Forecast
24-hour breakdown for Shiojiri, Nagano
12 AM
13°
Patchy rain nearby
1 AM
13°
Patchy rain nearby
2 AM
12°
Patchy rain nearby
3 AM
12°
Partly Cloudy
4 AM
12°
Patchy rain nearby
5 AM
12°
Partly Cloudy
6 AM
12°
Patchy rain nearby
7 AM
13°
Patchy rain nearby
8 AM
14°
Patchy rain nearby
9 AM
14°
Light drizzle
10 AM
13°
Light drizzle
11 AM
13°
Light drizzle
12 PM
13°
Patchy rain nearby
1 PM
13°
Patchy rain nearby
2 PM
13°
Light drizzle
3 PM
12°
Light rain shower
4 PM
12°
Patchy light drizzle
5 PM
12°
Light drizzle
6 PM
12°
Light drizzle
7 PM
11°
Light rain
8 PM
11°
Light rain
9 PM
11°
Light drizzle
10 PM
11°
Light drizzle
11 PM
11°
Light drizzle
3-Day Forecast
Daily overview for Shiojiri, Nagano
Today
Moderate rain
14°
/
11°
🌧️ 98% chance of rain
💧 Avg. humidity: 89%
💨 Max wind: 5 km/h
🌧️ Total precip: 6.31 mm
☀️ UV Index: 0.6
🌅 Sunrise: 05:16 AM
🌇 Sunset: 06:21 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Patchy rain nearby
17°
/
3°
🌧️ 94% chance of rain
💧 Avg. humidity: 67%
💨 Max wind: 12.2 km/h
🌧️ Total precip: 0.98 mm
☀️ UV Index: 1.8
🌅 Sunrise: 05:15 AM
🌇 Sunset: 06:22 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Patchy rain nearby
21°
/
2°
🌧️ 85% chance of rain
💧 Avg. humidity: 52%
💨 Max wind: 9 km/h
🌧️ Total precip: 0.16 mm
☀️ UV Index: 2.1
🌅 Sunrise: 05:13 AM
🌇 Sunset: 06:23 PM
🌙 New Moon
🌑 Moon: 0% lit
Best Time to Visit Shiojiri
Plan your trip to Shiojiri, 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 Shiojiri?
Current conditions in Shiojiri: Light rain, temperature 11°C, humidity 97%.
What is the best time to visit Shiojiri?
The best time to visit Shiojiri is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Shiojiri?
Shiojiri is located at approximately 36.1° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Shiojiri?
The wettest period in Shiojiri is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Shiojiri?
For visits to Shiojiri during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What are the public holidays in Shiojiri in 2026?
View the 2026 public holidays for Shiojiri on our Holidays page.
What are the GPS coordinates used for the weather forecast in Shiojiri?
The weather forecast for Shiojiri uses coordinates 36.125, 137.9528.