Ota Weather & Climate: Best Time to Visit

Ota, Gunma, Japan, sees big temperature differences between seasons, with August peaking at 31°C (88°F) and January dropping to 9°C (48°F).

Rain/snowfall is high, totalling around 1642 mm (65 in) per year. September is the wettest month and December the driest. The city also experiences a distinct rainy season from June to October. The most sunshine falls in January, with an average of 6.7 hours of daily sunshine.

Monthly Temperature in Ota

Visitors to Ota can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a very warm 31°C (88°F) in August, the warmest time of the year, to a chilly 9°C (48°F) during cooler months like January.

At night, you can expect temperatures ranging from 23°C (73°F) in August to around -1°C (30°F) during January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Ota

Ota is known for its substantial rain/snowfall, with annual precipitation reaching 1642 mm (65 in). Significant seasonal changes in precipitation occur throughout the year. In the wettest month, September it receives heavy rainfall, averaging 228 mm (9 in) of precipitation, recorded across 20 rainy days. In contrast, the driest month December brings less rainfall, with 52 mm (2 in) over 7 rainy days. For more details, please visit our Ota Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Sunshine Hours in Ota

While the amount of sunshine in Ota varies throughout the year, all seasons offer their own charm. Enjoy up to 6.7 hours of daily sun in January, and experience slightly darker atmosphere in June, with about 4.2 hours of daily sunlight.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Saitama, Japan (53 KM, 33 Miles).

Daily hours of sunshine

Data from: Saitama, Japan (53 KM, 33 Miles).

Ota 3-Day Forecast

10-Day Forecast

Select a Month

Check the conditions for any month of the year.

Best Time to Visit Ota

During April, May and November, Ota experiences its most favorable weather, with temperatures between 16°C (61°F) and 24°C (74°F). These mild conditions make it an excellent time for a visit.

The weather does bring rainfall during this period, between 77 mm (3 in) and 149 mm (5.9 in).

Plan accordingly for June, July, August, September and October, when conditions bring the heaviest precipitation.

Looking for inspiration on where to travel this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.