Spring (March–May): Average 8.1–17.5°C, mild climate, but with more rainfall and occasional overcast days. Common activities: Outdoor walks, visiting museums. Recommended clothing: Light jacket, comfortable long-sleeved shirts and pants.
Summer (June–August): Average 22.3–25.3°C, warm and humid, occasional showers. Common activities: Swimming, picnics, outdoor sports. Recommended clothing: Short-sleeved shirts and pants, breathable clothing.
Autumn (September–November): Average 13.5–19.5°C, pleasant climate, rainfall gradually decreases, more sunny days. Common activities: Viewing autumn leaves (some species), hiking. Recommended clothing: Light jacket, long-sleeved shirts and pants.
Winter (January–February): Average 2.3–4.9°C, cold, more rainfall. Common activities: Indoor activities, visiting museums. Recommended clothing: Warm jacket, hat, scarf, gloves.
Rockville climatological average
Annual average temperature: approx. 13.6°C / Annual rainfall: approx. 979 mm / Summer humidity: 60%–70% / Rainiest month: January
Rockville monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
2.3°C
111.6
February
4.9°C
65.1
March
8.1°C
98.9
April
13.6°C
95.5
May
17.5°C
75.9
June
22.3°C
60.4
July
25.3°C
93.5
August
24°C
79.2
September
19.5°C
93.2
October
13.5°C
34.9
November
8.5°C
71.5
December
3.2°C
100
Rockville weather for the next seven days
10/18
Saturday
Sunny
22.8°C/7.8°C
10/19
Sunday
Patchy rain nearby
22.9°C/13.3°C
10/20
Monday
Moderate rain
19.9°C/11.2°C
10/21
Tuesday
Sunny
21.3°C/8.4°C
10/22
Wednesday
Sunny
13.9°C/8.8°C
10/23
Thursday
Sunny
14.4°C/7.6°C
10/24
Friday
Sunny
14.8°C/6.1°C
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