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
4/30
Thursday
Patchy rain nearby
56.8°F/42.6°F
5/1
Friday
Moderate rain
49.4°F/36°F
5/2
Saturday
Sunny
50.6°F/32.2°F
5/3
Sunday
Patchy rain nearby
57.8°F/33.3°F
5/4
Monday
Moderate rain
64.7°F/48.6°F
5/5
Tuesday
Patchy rain nearby
58°F/45.7°F
5/6
Wednesday
Partly Cloudy
58.3°F/38.8°F
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