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 6.3–17.0°C, 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 21.1–21.6°C, warm and dry climate with little rainfall. Common activities: Outdoor picnics, hiking. Recommended clothing: Light and breathable clothing, hat, sunglasses.
Autumn (September–November): Average 19.4–7.2°C, 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 -3.1–2.5°C, 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. 11°C / Annual rainfall: approx. 41 mm / Summer humidity: 30%–40% / Rainiest month: December
Williams County monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
-3.1°C
4.6
February
2.5°C
1.4
March
6.3°C
2.9
April
10.4°C
5.7
May
17°C
3.5
June
21.1°C
3.8
July
21.6°C
2.5
August
21.3°C
4
September
19.4°C
1.5
October
12.7°C
2
November
7.2°C
3.4
December
0°C
6.5
Williams County weather for the next seven days
3/15
Sunday
Sunny
22.8°C/1°C
3/16
Monday
Moderate rain
4.4°C/-5.6°C
3/17
Tuesday
Cloudy
-2.6°C/-7°C
3/18
Wednesday
Moderate or heavy snow showers
4.1°C/-4.6°C
3/19
Thursday
Cloudy
11.4°C/-0.4°C
3/20
Friday
Partly Cloudy
15.8°C/4.3°C
3/21
Saturday
Overcast
14.3°C/3.1°C
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