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Mikawa Valley

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Mikawa Valley Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Mikawa Valley year round climate

  • Spring (March–May): Average 12.8–21°C, mild climate but with relatively heavy rainfall, especially in March and April. Common activities: Spring outings, flower viewing (depending on the blooming season). Recommended clothing: Light jacket, long-sleeved shirts and pants.
  • Summer (June–August): Average 24.5–29.9°C, hot and humid, with the most rainfall in July. Common activities: Summer resort trips, playing in the streams (please be careful). Recommended clothing: Light and breathable clothing, sun hat.
  • Autumn (September–November): Average 20.4–27.6°C, comfortable and pleasant climate with less rainfall. Common activities: Hiking, enjoying autumn scenery. Recommended clothing: Long-sleeved shirts and pants, light jacket.
  • Winter (December–February): Average 6.6–8.3°C, cold and dry with little rainfall. Common activities: Hot spring bathing (if hot spring facilities are nearby). Recommended clothing: Warm jacket, hat, scarf, gloves.

Mikawa Valley climatological average

Annual average temperature: approx. 18.3°C / Annual rainfall: approx. 2079 mm / Summer humidity: 70%–80% / Rainiest month: July

Mikawa Valley monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
6.6°C
56.5
February
8.3°C
92.7
March
12.8°C
226.3
April
17.7°C
215.9
May
21°C
274
June
24.5°C
369.8
July
28.6°C
371.5
August
29.9°C
165.2
September
27.6°C
92.3
October
20.4°C
96
November
15.1°C
81.8
December
7.6°C
37.8

Mikawa Valley weather for the next seven days

5/3
Sunday
Heavy rain
19.9°C/14.6°C
5/4
Monday
Patchy rain nearby
17.8°C/13.5°C
5/5
Tuesday
Sunny
20.7°C/11.6°C
5/6
Wednesday
Partly Cloudy
22.5°C/12.6°C
5/7
Thursday
Patchy rain nearby
23.1°C/14.2°C
5/8
Friday
Patchy rain nearby
21.1°C/14.3°C
5/9
Saturday
Sunny
22.8°C/11.6°C

Mikawa Valley Frequently Asked Questions and Useful Information for Travel

What is the best time to visit?

The best time for sightseeing is from mid-October to March of the following year. 8:30-10:30 every morning is the best time to view the sea of clouds.

What are the must-visit attractions?

Must-visit attractions include Mirage Observation Deck and Fruit Pond Scenic Area.