Castro County Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Castro County year round climate
Spring (March–May): Average 50–68°F, mild and comfortable climate, rainfall gradually increases, with the most rainfall in May. Common activities: Outdoor walks, camping. Recommended clothing: Light jacket, long-sleeved shirt, comfortable shoes.
Summer (June–August): Average 77–82°F, hot and dry, rainfall is concentrated in June and August. Common activities: Swimming, resting in shady areas. Recommended clothing: Light and breathable clothing, hat, sunglasses.
Autumn (September–November): Average 46–73°F, comfortable and pleasant temperature, relatively high rainfall. Common activities: Viewing red leaves (depending on plant species), outdoor activities. Recommended clothing: Comfortable long-sleeved shirts, light jackets, adjust clothing according to temperature changes.
Winter (December–February): Average 35–50°F, cold and dry, low rainfall. Common activities: Indoor activities, such as visiting museums. Recommended clothing: Warm clothing, such as thick coats, scarves, hats, and gloves.
Castro County climatological average
Annual average temperature: approx. 60.4°F / Annual rainfall: approx. 506 mm / Summer humidity: 40%–60% / Rainiest month: May
Castro County monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
37.2°F
15.1
February
41.5°F
16.9
March
50°F
16.6
April
59.5°F
33.4
May
69.4°F
73
June
78.1°F
66.6
July
82.4°F
46.4
August
80.8°F
61.7
September
74.1°F
56.4
October
61.7°F
40.7
November
47.5°F
56.1
December
42.4°F
23.9
Castro County weather for the next seven days
12/16
Tuesday
Sunny
68.2°F/29.8°F
12/17
Wednesday
Sunny
64.4°F/31.6°F
12/18
Thursday
Sunny
54.5°F/37.7°F
12/19
Friday
Sunny
71.8°F/34.7°F
12/20
Saturday
Sunny
77.2°F/55.2°F
12/21
Sunday
Sunny
58.5°F/40.6°F
12/22
Monday
Sunny
76.6°F/45.5°F
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