Williams County Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Williams County year round climate
Spring (March–May): Average 43–62°F, cold and dry climate with occasional rainfall. Common activities: Outdoor walks, flower viewing (if available). Recommended clothing: Warm jacket, sweater, long pants.
Summer (June–August): Average 69–70°F, warm and dry climate with little rainfall. Common activities: Outdoor picnics, hiking. Recommended clothing: Light and breathable clothing, hat, sunglasses.
Autumn (September–November): Average 66–44°F, cool and dry climate with little rainfall. Common activities: Leaf viewing (if available), outdoor activities. Recommended clothing: Light jacket, long-sleeved shirt, comfortable pants.
Winter (December–February): Average -37–36°F, cold and dry climate with little rainfall. Common activities: Indoor activities, skiing (if snow available). Recommended clothing: Heavy coat, hat, scarf, gloves.
Williams County climatological average
Annual average temperature: approx. 51.8°F / Annual rainfall: approx. 41 mm / Summer humidity: 30%–40% / Rainiest month: December
Williams County monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
26.4°F
4.6
February
36.5°F
1.4
March
43.3°F
2.9
April
50.7°F
5.7
May
62.6°F
3.5
June
70°F
3.8
July
70.9°F
2.5
August
70.3°F
4
September
66.9°F
1.5
October
54.9°F
2
November
45°F
3.4
December
32°F
6.5
Williams County weather for the next seven days
3/22
Sunday
Patchy rain nearby
70.9°F/40.1°F
3/23
Monday
Partly Cloudy
40.8°F/30°F
3/24
Tuesday
Sunny
49.5°F/27.7°F
3/25
Wednesday
Cloudy
64°F/33.8°F
3/26
Thursday
Patchy rain nearby
66.3°F/51.7°F
3/27
Friday
Patchy rain nearby
38.9°F/29.6°F
3/28
Saturday
Sunny
44.8°F/28.2°F
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