Germantown, Maryland Climate by Month
Germantown, Maryland, United States
Hot summers and cold winters, with rain spread through the year.
Germantown has hot summers and cold winters, with rain spread through the year. July is the warmest month, with highs around 87°F (31°C); January is the coolest at 43°F (6°C), and nights dip to 25°F (-4°C). It gets 42 in (1065 mm) of rain a year, spread across the months.
- Warmest month
- 87°F(31°C)
- Average high, July
- Coldest nights
- 25°F(-4°C)
- Average low, January
- Rain per year
- 42 in(1065 mm)
- No clear rainy season
- Humidity
- 63%
- Sunniest: June
Best and worst months in Germantown
Best for weatherThe most comfortable weather comes in May, with highs around 76°F (24°C) and about 4.1 in (103 mm) of rain a month.
Least pleasantJanuary is the least pleasant month: it's the coldest, with highs of only 43°F (6°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in May.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Germantown weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 43°F(6°C) | 25°F(-4°C) | 2.7 in(68 mm) | 60% | 1.9 |
| FebFebruary | 46°F(8°C) | 26°F(-3°C) | 2.6 in(65 mm) | 56% | 2.8 |
| MarMarch | 55°F(13°C) | 33°F(1°C) | 3.6 in(91 mm) | 61% | 3.7 |
| AprApril | 67°F(19°C) | 43°F(6°C) | 3.4 in(86 mm) | 54% | 4.8 |
| MayMayBest | 76°F(24°C) | 52°F(11°C) | 4.1 in(103 mm) | 64% | 5.4 |
| JunJune | 83°F(29°C) | 61°F(16°C) | 4.1 in(104 mm) | 66% | 5.7 |
| JulJuly | 87°F(31°C) | 66°F(19°C) | 4.0 in(101 mm) | 67% | 5.7 |
| AugAugust | 86°F(30°C) | 65°F(18°C) | 3.9 in(99 mm) | 67% | 5.1 |
| SepSeptember | 79°F(26°C) | 58°F(14°C) | 4.2 in(107 mm) | 67% | 4.1 |
| OctOctober | 68°F(20°C) | 46°F(8°C) | 3.3 in(83 mm) | 69% | 3.1 |
| NovNovember | 57°F(14°C) | 36°F(2°C) | 2.9 in(74 mm) | 65% | 2.1 |
| DecDecember | 47°F(8°C) | 29°F(-2°C) | 3.3 in(84 mm) | 65% | 1.7 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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