Koka Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Koka.
Climate overview of Koka
Koka, Shiga, Japan, sees big temperature differences between seasons, with August peaking at 33°C (91°F) and January dropping to 9°C (48°F).
Rain/snowfall is high, totalling around 1638 mm (64 in) per year. June is the wettest month and December the driest. The city also experiences very warm summers and cold winters. The sunniest month is May, with 6.2 hours of sunshine per day on average.
Koka Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Koka - and find the best time to visit.
Monthly Temperature in Koka
Visitors to Koka can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a very warm 33°C (91°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 24°C (75°F) in August to around 0°C (32°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Koka
Koka is known for its substantial rain/snowfall, with annual precipitation reaching 1638 mm (64 in). Significant seasonal changes in precipitation occur throughout the year. In the wettest month, June it receives heavy rainfall, averaging 212 mm (8.3 in) of precipitation, recorded across 18 rainy days. In contrast, the driest month December brings less rainfall, with 64 mm (2.5 in) over 17 rainy days. For more details, please visit our Koka Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
Sunshine Hours in Koka
While the amount of sunshine in Koka varies throughout the year, all seasons offer their own charm. Enjoy up to 6.2 hours of daily sun in May, and experience slightly darker atmosphere in February, with about 4.0 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Koka by Month
The relative humidity is high throughout the year in Koka.
The city experiences its highest humidity in July, reaching 70%. In April, the humidity drops to its lowest level at 60%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Koka
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May and October
- Warmest weather: July and August
- Most sunshine: April, May and August
- Seasonal pattern: Very warm summers and cold winters
Frequently asked questions about the climate in Koka
What is the best time to visit Koka?
May and October typically offer the most optimal weather in Koka. In contrast, January, February, July and August tend to have less optimal conditions. Koka has very warm summers and cold winters.
What temperatures can I expect in Koka?
Daytime highs range from 9°C (48°F) in January to 33°C (91°F) in August. Nighttime lows range from 0°C (32°F) to 24°C (75°F). Temperatures vary considerably through the year.
How much rain does Koka get?
Annual rainfall is around 1638 mm (64 in). June is the wettest month with 212 mm (8.3 in), while December is the driest with 64 mm (2.5 in).
How sunny is Koka?
Koka receives around 1,805 hours of sunshine per year. May is the sunniest month with 185 hours, while February is the cloudiest with just 120 hours.
Koka 3-Day Forecast
Koka on the map
Koka is highlighted - select any city to see its climate.
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