Hanno Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Hanno.
Climate overview of Hanno
The climate in Hanno, Saitama, Japan, is marked by large temperature swings across the seasons, ranging from 31°C (88°F) in August to 9°C (48°F) in January.
The city has a wet climate, receiving around 1825 mm (72 in) of rain/snowfall per year. Despite the high annual total, it has a distinct rainy season from June to October, with very warm summers and cold winters. September is the wettest month. The sunniest month is January, with 6.7 hours of sunshine per day on average.
Hanno Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Hanno - and find the best time to visit.
Monthly Temperature in Hanno
In Hanno, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a very warm 31°C (88°F) in August to a chilly 9°C (48°F) in January.
Nighttime temperatures range from 23°C (73°F) in August to -1°C (30°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Hanno
Hanno experiences significant rain/snowfall throughout the year, averaging 1825 mm (72 in) of precipitation annually. The seasons in Hanno bring significant changes in precipitation. The wettest month, September, receives heavy rainfall, with an average of 244 mm (9.6 in) of precipitation. This rainfall is distributed across 19 rainy days.
In contrast, the driest month, December, experiences much less rainfall, totaling 63 mm (2.5 in) over 7 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Hanno 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 Hanno
Hanno enjoys sunny spells year-round. January sees up to 6.7 hours of daily sunshine, perfect for a sunny trip. June, the least sunny month, still offers a generous 4.2 hours of sun despite this cloudier time of the year.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Best Time to Visit Hanno
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May
- Warmest weather: July and August
- Most sunshine: January
- Fewest rainy days: January and December
- Seasonal pattern: A distinct rainy season from June to October, with very warm summers and cold winters
- Coldest conditions: January, with freezing nights around -1°C (30°F).
Frequently asked questions about the climate in Hanno
What is the best time to visit Hanno?
May typically offers the most optimal weather in Hanno. In contrast, January, February, March, July and August tend to have less optimal conditions. Hanno has a distinct rainy season from June to October, with very warm summers and cold winters.
What temperatures can I expect in Hanno?
Daytime highs range from 9°C (48°F) in January to 31°C (88°F) in August. Nighttime lows range from -1°C (30°F) to 23°C (73°F). Temperatures vary considerably through the year.
How much rain does Hanno get?
Annual rainfall is around 1825 mm (72 in). September is the wettest month with 244 mm (9.6 in), while December is the driest with 63 mm (2.5 in).
How sunny is Hanno?
Hanno receives around 2,031 hours of sunshine per year. January is the sunniest month with 202 hours, while June is the cloudiest with just 127 hours. Overall, Hanno enjoys abundant sunshine.
Hanno 3-Day Forecast
Hanno on the map
Hanno is highlighted - select any city to see its climate.
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