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.

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

November

59.2°F

81.8

December

45.7°F

37.8

Mikawa Valley weather for the next seven days

2/24

Tuesday

Moderate rain

65°F/48.5°F

2/25

Wednesday

Moderate rain

61.4°F/53°F

2/26

Thursday

Cloudy

65.6°F/51°F

2/27

Friday

Patchy rain nearby

61.9°F/52.5°F

2/28

Saturday

Sunny

67.8°F/47.4°F

3/1

Sunday

Partly Cloudy

65.7°F/48.6°F

3/2

Monday