Ōmachi Weather in August

What's the weather like in Ōmachi (Nagano) in August 2024?

The climate in Ōmachi during August can be summarized as hot, humid and wet.

August is in the summer in Ōmachi and is typically the warmest month of the year. Daytime maximum temperatures average around a muggy 30°C (85°F), whilst at night 19°C (67°F) is normal.

Ōmachi weather averages (imperial / metric)
Daytime temperature 29.5°C 85°F
Nightly temperature 19.4°C 66.8°F
Average temperature 24.4°C 75.9°F
Daily sunshine 6.4 hrs
Avg rainfall 124 mm 4.9 ins
Rainy days 18 days
Sea temperature 25.8°C 78.5°F
Humidity 75%
Windspeed 7.9kph 5 mph

On average August is the 4th wettest month of the year in Ōmachi with around 124mm 4.9 inches of rain making it a wet time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.4 hours of sunshine per day.

August temperatures in Ōmachi

Ōmachi average temperature in August

August rainfall

Ōmachi average rain in August

August hourly sunshine

Ōmachi average rain in August

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Ōmachi in August 2024.

Other monthly averages

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UV index Best time to go?

Ōmachi weather stats

Ōmachi weather statistics
Hottest month: August 29.2°C 84.6°F
Driest month: December 58mm 2.3ins
Sunniest month: March 6hrs
Coldest month: January 2.9°C 37.2°F
Wettest month: July 197mm 7.8ins
Map showing location of Ōmachi (36.5, 137.86667) Ōmachi map pin © Google

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