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
4/28
Tuesday
Partly Cloudy
19.5°C/7.5°C
4/29
Wednesday
Moderate rain
15.6°C/8.6°C
4/30
Thursday
Partly Cloudy
15.8°C/6.4°C
5/1
Friday
Patchy rain nearby
17.8°C/5.1°C
5/2
Saturday
Partly Cloudy
14°C/4.1°C
5/3
Sunday
Sunny
17.2°C/3.3°C
5/4
Monday
Sunny
23.1°C/8.6°C
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