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Rockville

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Rockville Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Rockville year round climate

  • Spring (March–May): Average 46–63°F, 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 72–77°F, warm and humid, occasional showers. Common activities: Swimming, picnics, outdoor sports. Recommended clothing: Short-sleeved shirts and pants, breathable clothing.
  • Autumn (September–November): Average 56–67°F, 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 36–40°F, cold, more rainfall. Common activities: Indoor activities, visiting museums. Recommended clothing: Warm jacket, hat, scarf, gloves.

Rockville climatological average

Annual average temperature: approx. 56.5°F / Annual rainfall: approx. 979 mm / Summer humidity: 60%–70% / Rainiest month: January

Rockville monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
36.1°F
111.6
February
40.8°F
65.1
March
46.6°F
98.9
April
56.5°F
95.5
May
63.5°F
75.9
June
72.1°F
60.4
July
77.5°F
93.5
August
75.2°F
79.2
September
67.1°F
93.2
October
56.3°F
34.9
November
47.3°F
71.5
December
37.8°F
100

Rockville weather for the next seven days

6/13
Saturday
Sunny
93.6°F/68°F
6/14
Sunday
Patchy rain nearby
93.7°F/67.6°F
6/15
Monday
Patchy rain nearby
75.6°F/58.3°F
6/16
Tuesday
Patchy rain nearby
80°F/57.1°F
6/17
Wednesday
Patchy rain nearby
87.2°F/63.6°F
6/18
Thursday
Patchy rain nearby
90.8°F/67.2°F
6/19
Friday
Moderate rain
82.2°F/65.7°F