Kosai Weather in April

Kosai in April averages 20°C (68°F) during the day and 11°C (52°F) at night. Keep in mind that quite a bit of rainfall is expected this month.

Rainfall in Kosai in April

Records from the past 30 years suggest around 15 days of rain, with 162 mm (6.4 in) average for the month. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.

Temperature in Kosai in April

Temperatures in Kosai in April top out at 20°C (68°F) and drop to 11°C (52°F) overnight. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. At 11°C (52°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Kosai in April

There are approximately 201 hours of sunshine this month, resulting in mostly clear days.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. April and May typically offer the best weather for Kosai.

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Japan, check out our Kosai's climate page.

Kosai Temperature in April

Min Temperature 11°C (52°F)  

Max Temperature 20°C (68°F)  

Chance of Rain 51%  

Precipitation 162 mm (6.4 in)  

Rainy days 15 days  

Humidity 66% *  

Sunshine 201 hours *  

Percentage Sunshine *  

* Data from: Hamamatsu, Japan (18 KM, 11 Miles).

What to Wear in Kosai in April

Comfortable temperatures call for an easy wardrobe in April. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. It's going to pour! Pack a good poncho and prepare for very wet conditions. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Kosai in April

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

7/10

Camping

6/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Japan, check out our Kosai's climate page.

More climate data for Kosai

Temperature Rainfall Sunshine Humidity

See the full Kosai climate overview or explore weather in Japan.