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Gaithersburg climate
Typical historical weather for Gaithersburg, United States, averaged across 10 years of hourly climate data. Pick a date for a specific day.
Want today's actual conditions instead? See the current forecast for Gaithersburg.
Annual average
14°C
across all months
Warmest month
31.4°C
Jul average high
Coolest month
-2°C
Jan average low
Annual rainfall
1193mm
total per year
Monthly averages
Average daily high/low temperature (band) and monthly rainfall (bars).
● Avg high● Avg low▮ Rainfall
Records on file
Hottest day
38.6°C
16 July 2024
Coldest day
-15.8°C
31 January 2019
Wettest day
93mm
11 June 2021
Windiest day
9.8m/s
2 March 2018
See the detail: Gaithersburg on 11 June 2021.