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Armstrong County
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Armstrong County Weather, Climate and Best Time to Visit
Data source：Meteostat
Update date：2025-09
Armstrong County year round climate
- Spring (March–May): Average 49–68°F, mild climate transitioning from cool to warm, rainfall gradually increasing. Common activities: Outdoor walks, picnics. Recommended clothing: Light jacket, long-sleeved shirts.
- Summer (June–August): Average 77–82°F, hot and dry, with the most rainfall in June, gradually decreasing thereafter. Common activities: Swimming, camping. Recommended clothing: Light and breathable clothing, hat, sunscreen.
- Autumn (September–November): Average 62–74°F, pleasant and comfortable climate, relatively even rainfall. Common activities: Hiking, viewing autumn leaves (if applicable). Recommended clothing: Long-sleeved shirts, light jacket.
- Winter (December–February): Average 37–43°F, cold and dry, with less rainfall. Common activities: Indoor activities. Recommended clothing: Warm coat, hat, scarf, gloves.
Armstrong County climatological average
Annual average temperature: approx. 60.4°F / Annual rainfall: approx. 468 mm / Summer humidity: 40%–60% / Rainiest month: June
Armstrong County monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
37.6°F
13.7
February
42.1°F
8.7
March
49.5°F
18.3
April
58.6°F
27.7
May
68.4°F
88.3
June
77.2°F
98.3
July
82.4°F
55.7
August
81.3°F
33.7
September
74.7°F
23
October
62.6°F
27.7
November
48°F
57
December
43.2°F
16.3
Armstrong County weather for the next seven days
1/30
Friday
Sunny
57.6°F/24.6°F
1/31
Saturday
Overcast
30.6°F/23.9°F
2/1
Sunday
Partly Cloudy
57.6°F/26.2°F
2/2
Monday
Overcast
61.9°F/28.6°F
2/3
Tuesday
Sunny
59°F/39.4°F
2/4
Wednesday
Sunny
56.2°F/40.9°F
2/5
Thursday
Sunny
68.2°F/38°F
