Unnan weather
At 9:00 AM local time it was partly cloudy and 17°C (63°F). Mostly light, on-and-off rain; heavier around 3 AM, 4 AM (5.8 mm total). Best months for weather: May, Aug–Oct. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Unnan, Shimane, Japan.
Current conditions
- Clouds
- 66%
- Chance of rain
- 0%
- Rain
- 0.0 mm/h
Hourly Forecast
Mostly light, on-and-off rain; heavier around 3 AM, 4 AM (5.8 mm total)
Daily Forecast
Best Time to Visit
Peak season May, Aug–OctOff season Dec–Mar
About Unnan weather
Is it raining in Unnan right now?
No. It’s partly cloudy and 17° right now. Mostly light, on-and-off rain; heavier around 3 AM, 4 AM (5.8 mm total).
What’s the weather like in Unnan this week?
Over the next 7 days, expect highs of 14–23° and lows of 8–13°. Rain is likely on 3 of 7 days (Monday, Thursday, Friday). The driest day looks like Wednesday.
Has it been raining in Unnan lately?
In the past 7 days, Unnan had 5 rainy days and 119.7 mm of rain in total.
What should I pack for Unnan?
For the coming week, bring an umbrella or rain jacket and a warm layer for the evenings.
Unnan weather by month
When is the best time to visit Unnan?
Based on weather alone, the best time to visit Unnan is May, Aug–Oct, according to NASA's 2001–2025 climate averages. Dec–Mar tends to be the least pleasant. Average highs run from 4°C (39°F) in January to 29°C (83°F) in August.
What is the rainiest month in Unnan?
July is the wettest month, with about 228 mm (9.0 in) of rain on average. February is the driest, with about 87 mm (3.4 in).
What is the hottest month in Unnan?
August is the warmest, with average highs of 29°C (83°F) and lows of 21°C (69°F). January is the coolest, with highs of 4°C (39°F) and lows of -3°C (27°F).
How warm is the sea in Unnan?
The sea is warmest in August at about 28°C (83°F) and coolest in March at about 13°C (55°F). It is comfortable for swimming (22°C or more) in Jul–Oct.
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), sea temperature from Open-Meteo Marine, forecast and current conditions from Open-Meteo. Page updated . How we rate months