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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 55–69°F, 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 76–85°F, 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 68–81°F, 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 43–46°F, 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. 64.9°F / Annual rainfall: approx. 2079 mm / Summer humidity: 70%–80% / Rainiest month: July

Mikawa Valley monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
43.9°F
56.5
February
46.9°F
92.7
March
55°F
226.3
April
63.9°F
215.9
May
69.8°F
274
June
76.1°F
369.8
July
83.5°F
371.5
August
85.8°F
165.2
September
81.7°F
92.3
October
68.7°F
96
November
59.2°F
81.8
December
45.7°F
37.8

Mikawa Valley weather for the next seven days

6/21
Sunday
Moderate rain
81.7°F/70.9°F
6/22
Monday
Heavy rain
82°F/66.3°F
6/23
Tuesday
Moderate rain
70°F/66°F
6/24
Wednesday
Heavy rain
69.2°F/67.1°F
6/25
Thursday
Heavy rain
71.5°F/68.2°F
6/26
Friday
Moderate rain
75.1°F/71.6°F
6/27
Saturday
Patchy rain nearby
81.7°F/73.2°F

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.