Katsuura Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Katsuura.
Climate overview of Katsuura
Katsuura, Japan, experiences significant temperature variation throughout the year. Summers bring daytime highs of 29°C (84°F) in August, while winters cool to 12°C (54°F) in January.
Rainfall is high, totalling around 1815 mm (71 in) per year. October is the wettest month and December the driest. The city also experiences warm summers and cold winters. The most sunshine falls in January, with an average of 6.4 hours of daily sunshine.
Katsuura Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Katsuura - and find the best time to visit.
Monthly Temperature in Katsuura
Depending on the time of the year, temperatures range from comfortable to chilly in Katsuura. Average maximum daytime temperatures range from a comfortable 29°C (84°F) in August, the warmest time of the year, to a chilly 12°C (54°F) during cooler months like January.
At night, you can expect temperatures ranging from 25°C (77°F) in August to around 6°C (43°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Katsuura
Katsuura has a relatively rainy climate with high precipitation levels, averaging 1815 mm (71 in) of rainfall annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, October it receives heavy rainfall, averaging 234 mm (9.2 in) of precipitation, recorded across 17 rainy days. In contrast, the driest month December brings less rainfall, with 102 mm (4 in) over 12 rainy days. For more details, please visit our Katsuura 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 Katsuura
While the amount of sunshine in Katsuura varies throughout the year, all seasons offer their own charm. Enjoy up to 6.4 hours of daily sun in January, and experience slightly darker atmosphere in June, with about 4.1 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Katsuura by Month
The relative humidity is high throughout the year in Katsuura.
The city experiences its highest humidity in July, reaching 77%. In January, the humidity drops to its lowest level at 53%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Katsuura
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, July and August
- Warmest weather: July and August
- Most sunshine: January and August
- Fewest rainy days: January, February and December
- Seasonal pattern: Warm summers and cold winters
Frequently asked questions about the climate in Katsuura
What is the best time to visit Katsuura?
May, July and August typically offer the most optimal weather in Katsuura. In contrast, January and February tend to have less optimal conditions. Katsuura has warm summers and cold winters.
What temperatures can I expect in Katsuura?
Daytime highs range from 12°C (54°F) in January to 29°C (84°F) in August. Nighttime lows range from 6°C (43°F) to 25°C (77°F). Temperatures vary considerably through the year.
How much rain does Katsuura get?
Annual rainfall is around 1815 mm (71 in). October is the wettest month with 234 mm (9.2 in), while December is the driest with 102 mm (4 in).
How sunny is Katsuura?
Katsuura receives around 1,957 hours of sunshine per year. January is the sunniest month with 193 hours, while June is the cloudiest with just 124 hours.
Katsuura 3-Day Forecast
Katsuura on the map
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