Climate averages 1991–2020
Germantown weather
in June.
A warm, wet month: the 3rd warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
June is a warm month in Germantown: daytime highs average 27.6°C and nights cool to about 17.6°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 90 mm of rain on roughly 11 days, which makes June a wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 52 min on an average June day.
The nearest other city in this atlas is Silver Spring (29 km away). In June its highs average 27.8°C, about as warm as Germantown, with 90 mm of rain.
Among the 498 cities listed in the United States, Germantown ranks joint 254th of 498 for the warmest June highs and joint 255th of 498 for the driest June (rainfall, lowest first). The mean June high of those 498 cities is 27.9°C; Germantown is 0.3°C cooler than that mean.
From June to July, average highs rise by 2.5°C to 30.1°C, and monthly rainfall rises from 90 mm to 102 mm.
The annual picture
June in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Germantown climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 4.7°C-3.1°C | -3.1°C | 78 | 8.6 | 9.810 h |
| February | 6.6°C-2.5°C | -2.5°C | 71 | 8.4 | 10.711 h |
| March | 11.2°C1.2°C | 1.2°C | 97 | 10.2 | 11.912 h |
| April | 17.7°C6.8°C | 6.8°C | 87 | 10.4 | 13.213 h |
| May | 22.6°C12.5°C | 12.5°C | 97 | 11.5 | 14.314 h |
| June, selected | 27.6°C17.6°C | 17.6°C | 90 | 10.8 | 14.915 h |
| July | 30.1°C20.4°C | 20.4°C | 102 | 11.2 | 14.615 h |
| August | 29.0°C19.6°C | 19.6°C | 85 | 10.4 | 13.714 h |
| September | 25.1°C16.0°C | 16.0°C | 113 | 9.3 | 12.512 h |
| October | 18.6°C9.7°C | 9.7°C | 87 | 7.8 | 11.211 h |
| November | 12.1°C3.9°C | 3.9°C | 76 | 7.7 | 10.110 h |
| December | 6.8°C-0.6°C | -0.6°C | 89 | 8.8 | 9.59 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
June in nearby cities
- Silver Spring in JuneUnited States · 29 kmHigh 27.8°C · Low 18.0°C · 90 mm rain
- Arlington (Virginia), United States in JuneUnited States · 36 kmHigh 28.0°C · Low 18.1°C · 90 mm rain
- Washington in JuneUnited States · 37 kmHigh 28.5°C · Low 18.5°C · 90 mm rain
- Columbia (Maryland), United States in JuneUnited States · 38 kmHigh 26.9°C · Low 18.1°C · 95 mm rain
- Centreville in JuneUnited States · 39 kmHigh 27.9°C · Low 18.4°C · 87 mm rain
- Alexandria, United States in JuneUnited States · 45 kmHigh 28.2°C · Low 18.7°C · 89 mm rain
- Baltimore in JuneUnited States · 58 kmHigh 27.0°C · Low 18.0°C · 90 mm rain
- Wilmington (Delaware), United States in JuneUnited States · 161 kmHigh 26.8°C · Low 17.7°C · 99 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Germantown) is explained once on the Germantown year overview and on the Sources, method and limits page.