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Castro County
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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
3/18
Wednesday
Sunny
85.6°F/41.2°F
3/19
Thursday
Sunny
90°F/45.3°F
3/20
Friday
Sunny
93°F/52.2°F
3/21
Saturday
Sunny
94.3°F/58.8°F
3/22
Sunday
Sunny
90°F/59.3°F
3/23
Monday
Partly Cloudy
75.3°F/45.8°F
3/24
Tuesday
Sunny
91.4°F/55°F
