Izumi-Sano Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Izumi-Sano.

Climate overview of Izumi-Sano

Izumi-Sano, Osaka Prefecture, Japan, sees big temperature differences between seasons, with August peaking at 33°C (91°F) and January dropping to 10°C (50°F).

The city has a wet climate, receiving around 1631 mm (64 in) of rain/snowfall per year. Despite the high annual total, it has very warm summers and cold winters. June is the wettest month. Sunshine peaks in August, when the city sees around 7.6 hours of sunshine per day.

Izumi-Sano Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Izumi-Sano - and find the best time to visit.

Monthly Temperature in Izumi-Sano

Visitors to Izumi-Sano can expect significant temperature changes throughout the year. On average, daytime temperatures range from a very warm 33°C (91°F) in August to a chilly 10°C (50°F) in January.

Nighttime temperatures range from 25°C (77°F) in August to 3°C (37°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Izumi-Sano

Izumi-Sano is known for its substantial rain/snowfall, with annual precipitation reaching 1631 mm (64 in). The seasons in Izumi-Sano bring significant changes in precipitation. The wettest month, June, receives heavy rainfall, with an average of 231 mm (9.1 in) of precipitation. This rainfall is distributed across 18 rainy days.

In contrast, the driest month, January, experiences much less rainfall, totaling 78 mm (3.1 in) over 17 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Izumi-Sano Precipitation page.

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

Sunshine Hours in Izumi-Sano

In Izumi-Sano, summer days are longer and more sunny, with daily sunshine hours peaking at 7.6 hours in August. As the darker season arrives, the brightness of the sun becomes less. February sees a soft sun for only 4.5 hours per average day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Wakayama, Japan (21 KM, 13 Miles).

Daily hours of sunshine

Data from: Wakayama, Japan (21 KM, 13 Miles).

Humidity in Izumi-Sano by Month

Best Time to Visit Izumi-Sano

The most comfortable overall weather for exploring Izumi-Sano is usually found in April, May, October and November. Conditions are generally least comfortable in January, July and August.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: April, May, October and November
  • Warmest weather: August
  • Most sunshine: August
  • Seasonal pattern: Very warm summers and cold winters

Frequently asked questions about the climate in Izumi-Sano

What is the best time to visit Izumi-Sano?

April, May, October and November typically offer the most optimal weather in Izumi-Sano. In contrast, January, July and August tend to have less optimal conditions. Izumi-Sano has very warm summers and cold winters.

What temperatures can I expect in Izumi-Sano?

Daytime highs range from 10°C (50°F) in January to 33°C (91°F) in August. Nighttime lows range from 3°C (37°F) to 25°C (77°F). Temperatures vary considerably through the year.

How much rain does Izumi-Sano get?

Annual rainfall is around 1631 mm (64 in). June is the wettest month with 231 mm (9.1 in), while January is the driest with 78 mm (3.1 in).

How sunny is Izumi-Sano?

Izumi-Sano receives around 2,027 hours of sunshine per year. August is the sunniest month with 228 hours, while February is the cloudiest with just 134 hours. Overall, Izumi-Sano enjoys abundant sunshine.

Izumi-Sano 3-Day Forecast

Izumi-Sano on the map

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