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Gaithersburg

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Gaithersburg Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Gaithersburg year round climate

  • 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.

Gaithersburg climatological average

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

Gaithersburg monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (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

Gaithersburg weather for the next seven days

3/17
Tuesday
Patchy moderate snow
4.6°C/-2.2°C
3/18
Wednesday
Cloudy
4.7°C/-3.1°C
3/19
Thursday
Partly Cloudy
10.6°C/0.4°C
3/20
Friday
Cloudy
13.4°C/4.3°C
3/21
Saturday
Partly Cloudy
16.5°C/7.2°C
3/22
Sunday
Moderate rain
24.8°C/9.2°C
3/23
Monday
Sunny
6.2°C/-0.5°C

Gaithersburg Frequently Asked Questions and Useful Information for Travel

Is Gaithersburg worth visiting?

Gaithersburg offers a delightful experience with its diverse global cuisine, fueled by local farm-fresh produce. Visitors can enjoy summer concerts, family-friendly performances, and cultural presentations, making it a vibrant destination.

What is Gaithersburg, MD famous for?

Gaithersburg is historically famous for being selected in 1899 as one of six global locations for the International Latitude Observatory, part of a project to measure the Earth's wobble. The Gaithersburg Latitude Observatory is a National Historic Landmark.

How can I experience Gaithersburg's culture?

You can immerse yourself in Gaithersburg's culture by enjoying outdoor summer concerts, family-friendly performances, and various cultural presentations offered throughout the year, reflecting the city's diverse community.

What kind of food can I find in Gaithersburg?

Gaithersburg boasts a wide variety of global cuisine thanks to its diverse residents. You'll find a fusion of local, farm-fresh produce meeting international food options at numerous markets and restaurants across the city.

What historical significance does Gaithersburg hold?

Gaithersburg holds historical significance as the site of the International Latitude Observatory, a National Historic Landmark established in 1899 to study Earth's wobble. This observatory highlights the city's unique place in scientific history.