Annual mean
Annual mean of daily highs
Annual mean of daily lows
Gaithersburg city, Maryland
Official LSAD Designation: Gaithersburg city • Census GEOID: 2431175
• Montgomery County
Climate Normals & Weather Observations
30-year climate normals (1991–2020) and weather observations for Gaithersburg city.
Reference Weather Station: ROCKVILLE 1 NE, MD US (ID: USC00187705)
• Located 4.1 miles from community center
• Elevation: 134.1 m
| Month | Average High (°F) | Average Low (°F) | Mean Temp (°F) | Precipitation (in) |
|---|---|---|---|---|
| January | 42.2° | 26.9° | 34.5° | 3.11" |
| February | 45.0° | 28.4° | 36.7° | 2.60" |
| March | 53.7° | 35.9° | 44.8° | 3.66" |
| April | 65.9° | 45.6° | 55.7° | 3.23" |
| May | 74.3° | 54.9° | 64.6° | 3.55" |
| June | 82.2° | 63.6° | 72.9° | 3.96" |
| July | 87.1° | 68.8° | 78.0° | 3.98" |
| August | 84.9° | 67.0° | 75.9° | 3.05" |
| September | 77.5° | 60.0° | 68.7° | 4.01" |
| October | 65.9° | 48.0° | 57.0° | 3.52" |
| November | 55.7° | 38.2° | 46.9° | 3.27" |
| December | 46.0° | 30.9° | 38.5° | 3.38" |
Annual Temperature History
2010–2025, completed calendar years only.
NOAA station DAMASCUS 3 SSW, MD US (ID: USC00182336) • 8.3 miles from community center .
This annual reference station differs from the monthly normals station (ID: USC00187705), which has no available annual mean history.
Source: NOAA NCEI Global Summary of the Year.
Annual temperature data table (°F)
| Year | Annual mean (°F) | Annual mean of daily highs (°F) | Annual mean of daily lows (°F) |
|---|---|---|---|
| 2010 | 55.3 | 64.0 | 46.5 |
| 2011 | 55.4 | 63.7 | 47.0 |
| 2012 | 56.1 | 64.6 | 47.6 |
| 2013 | 53.1 | 61.2 | 45.0 |
| 2014 | 52.0 | 60.5 | 43.5 |
| 2015 | 54.3 | 63.0 | 45.5 |
| 2016 | 55.1 | 63.7 | 46.4 |
| 2017 | 55.4 | 64.0 | 46.9 |
| 2018 | 54.1 | 62.2 | 46.0 |
| 2019 | 54.8 | 63.4 | 46.3 |
| 2020 | 55.6 | 64.0 | 47.2 |
| 2021 | 55.3 | 63.8 | 46.8 |
| 2022 | 54.3 | 63.3 | 45.4 |
| 2023 | 56.1 | 65.2 | 47.0 |
| 2024 | 56.4 | 65.0 | 47.9 |
| 2025 | 54.6 | 63.3 | 46.0 |
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.