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Gaithersburg

Gaithersburg 1
Travel guide
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Travel guide
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Best time to visit Gaithersburg

Data source:Meteostat
Last updated:2025-09

Weather in Gaithersburg throughout the year

  • Spring (March–May): Average 8.2–17.5°C, mild climate, but may experience fluctuating temperatures, moderate rainfall. Common activities: Outdoor walks, flower viewing. Recommended clothing: Light jacket, long-sleeved shirt, comfortable shoes.
  • Summer (June–August): Average 22.3–25.3°C, warm and humid, occasional thunderstorms. Common activities: Swimming, picnics, outdoor BBQs. Recommended clothing: Light and breathable clothing, sun hat, sunglasses.
  • Autumn (September–November): Average 8.5–19.5°C, pleasant climate, cool and comfortable, rainfall gradually decreases. Common activities: Maple leaf viewing, hiking. Recommended clothing: Light jacket, long-sleeved shirt, comfortable shoes.
  • Winter (December–February): Average 2.3–5.0°C, cold and humid, occasional snowfall. Common activities: Indoor activities, skiing (requires travel to higher altitudes). Recommended clothing: Warm coat, hat, scarf, gloves.

Weather in Gaithersburg

Annual average temperature: approx. 13.6°C / Annual rainfall: approx. 981 mm / Summer humidity: 60%–75% / Rainiest month: January

Gaithersburg weather by month

Month
Temperature (°C)
Rainfall (mm)
January
2.3°C
109.3
February
5°C
62.1
March
8.2°C
85.4
April
13.6°C
80
May
17.5°C
95.8
June
22.3°C
60.4
July
25.3°C
93.5
August
24.2°C
83.8
September
19.5°C
101.2
October
13.5°C
34.9
November
8.5°C
71.5
December
3.2°C
104

7-day weather forecast for Gaithersburg

11/4
Wednesday
Sunny
22.5°C/11°C
11/5
Thursday
Patchy rain nearby
22°C/17.1°C
11/6
Friday
Sunny
19.8°C/11°C
11/7
Saturday
Partly Cloudy
13.3°C/6.5°C
11/8
Sunday
Sunny
14.8°C/6.1°C
11/9
Monday
Partly Cloudy
14.6°C/5.9°C
11/10
Tuesday
Partly Cloudy
17.4°C/6.1°C