Climate and monthly weather forecastGermantown, MD
Climate and monthly weather forecast
The climate of Germantown
Located in Maryland, USA, Germantown's climate is predominantly of the Köppen Cfa classification - Humid subtropical, no dry season. The distinct climatic features of this area dictate weather patterns that range widely through the year, shaping the general weather experience in each season. From temperature to rainfall, every individual climatological parameter displays its unique pattern.Throughout the year, temperatures vary considerably between minimums of 25.2°F (-3.8°C) in the chilling month of January, to climbing maximums of up to 86.5°F (30.3°C) noted in July. This contrasting temperature range reflects quite a dynamic weather profile for Germantown, with each season distinctly identifiable. Meanwhile, relative humidity also varies subtly from 72% in the warmer month of July, peaking at a slightly higher, yet steady average of 78% during December and October.
Rainfall in Germantown follows a rather modest yet steady pattern, with each month receiving average rainfall between 1.97" (50mm) and 3.78" (96mm), and the months of January, February and September receiving comparatively lower amounts of rain. Interesting to note is that despite a predictable rainfall pattern, the year sees a significant snowfall predominantly between January and March, and a light scattering in November and December.
Wind oscillates moderately around a yearly average of 7mph (11.3km/h), with gusts reaching as high as 12.3mph (19.8km/h) in January. Cloud coverage remains fairly consistent throughout the year with an average cloud cover percentage ranging from 30% in July to 46% in March, providing a rather cloudy backdrop to most days.
The best time to visit Germantown
The ideal time to visit Germantown tends to be the late spring months of May and early summer month of June. During this period, temperatures typically range from 63.5°F (17.5°C) to 81.7°F (27.6°C), proving warm but not excessively hot. Moreover, there is moderate rainfall and long daylight hours (from 14.3 hours to 14.9 hours), providing ample time to explore the outdoors.The worst time to visit Germantown
The chill of winter can hit Germantown hard, making January a less popular time to visit. This month holds the lowest temperatures between 25.2°F (-3.8°C) to 38.8°F (3.8°C), coupled with significant snowfall and limited daylight (only 9.8 hours), which limits outdoor activities.Spring weather in Germantown
Spring sees a moderate warming trend in Germantown. From March to May, temperatures rise from a mild 51.3°F (10.7°C) to a more warm 73.6°F (23.1°C). Rainfall is slightly higher than the annual average, but the increase in sunshine hours from 6.8 to 8.8 hours balances it out.Summer weather in Germantown
Experiencing the peak of its temperatures, Germantown in Summer (June to August) ranges between 81.7°F (27.6°C) and 86.5°F (30.3°C). As relative humidity drops to 72%, the climate becomes warmly comfortable. Rainfall also tends to lighten up during this season, contributing to the overall appeal of summer in Germantown.Autumn weather in Germantown
In autumn, the temperatures begin their gradual descent from the summer highs. Between September and November, temperatures can be expected to range from 77.5°F (25.3°C) to 53.1°F (11.7°C). Rainfall remains relatively low compared to Spring, and daylight hours decrease steadily from 12.4 to 10 hours, marking the onset of shorter days.Winter weather in Germantown
Winter months of December to February in Germantown bring lower temperatures, ranging between 31.8°F (-0.1°C) to 44.2°F (6.8°C). The city sees its maximum snowfall during this time, making it a winter wonderland, albeit a cold and snowy one. With only 9.5 to 10.8 hours of daylight during these months, the winter days are short and often cloudy.Weather in January
January delivers the coldest air of the year to Germantown with temperatures plunging to a low of 25.2°F (-3.8°C). The chilly weather is often accompanied by a fair bit of rainfall, contributing to high levels of relative humidity. Weather in January »Weather in February
As the year moves into February, Germantown experiences a slight warming trend, though temperatures remain firmly on the cooler side. The weather continues to be moist, owing to persistent rainfall events throughout the month. Weather in February »Weather in March
March signals the transition from winter to spring in Germantown with the weather pattern gradually shifting. The month is marked by 35.2°F (1.8°C) minimum temperatures and a higher rainfall amount of 2.32" (59mm). The longer daylight hours break the winter gloom, infusing more sunshine into the days. Weather in March »Weather in April
In April, Germantown sheds the last of its winter chill and embraces warmer temperatures. The weather undergoes a significant improvement with more sunlight casting a brighter glow over the city. Rainfall marks the month, bringing about refreshing showers. Weather in April »Weather in May
May sees Germantown fully transition into a warmer phase. The increased heat, coupled with rainfall reaching a level of 3.15" (80mm), fosters a humid environment. The city revels under an extended period of daylight, receiving up to 14.3 hours of light every day. Weather in May »Weather in June
June ushers in summer in Germantown, bringing about hotter days. The 81.7°F (27.6°C) high temperature and low cloud cover result in increased sunshine hours. Despite frequent bouts of rain, the month offers a number of sunny days. Weather in June »Weather in July
July stands as the hottest month in Germantown marking the peak of summertime with highest temperatures scaling to 86.5°F (30.3°C). The city experiences a drop in rainfall, but the weather stays warm and humid. Broad daylight presides over the majority of the day, flooding the area with sunbeams. Weather in July »Weather in August
In August, Germantown begins to wind down from the dizzying summer highs. The weather stays warm, but there is a marginal dip in temperature compared to July. The month marks the return of more rainfall leading to bouts of afternoon showers. Weather in August »Weather in September
As autumn creeps into Germantown in September, a fresh weather pattern emerges. 77.5°F (25.3°C) high temperatures and 2.17" (55mm) of rainfall are primary characteristics of the month. Days start getting shorter, though sufficient sunshine still adorns the afternoons. Weather in September »Weather in October
October is a month of transformation for Germantown as autumn deeply sets in. The weather takes a cooler turn, allowing residents to take out their warm apparel. The amber hues of fall fill the city, and there is a marked increase in relative humidity. Weather in October »Weather in November
November in Germantown marks the shift towards winter with temperatures taking a nosedive from 65.5°F (18.6°C) to 53.1°F (11.7°C). The rainfall continues at a steady pace, keeping the city in a moist condition. The daylight becomes even scarcer, with an increased prevalence of overcast skies. Weather in November »Weather in December
The thin layer of snow common in December underscores the arrival of winter in Germantown. The frigid temperatures persist, bringing an end to the year on a cold note. Rainfall remains adequate, contributing to the dampness in the air. Weather in December »Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
During the coldest month in Germantown, January, temperatures average a high of 38.8°F (3.8°C) and a low of 25.2°F (-3.8°C).
January and February are months with the least rain when the rain falls for 9.5 days and typically aggregates up to 1.97" (50mm) of rain.
Throughout the year, there are 159.4 rainfall days, and 30.71" (780mm) of precipitation is accumulated.
January through May, November and December are months with snowfall.
In Germantown, during the entire year, snow falls for 19.1 days and aggregates up to 10.04" (255mm) of snow.
With an average of 5h of sunshine, January has the least sunshine of the year.
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
March is the month with the most snowfall. Snow falls for 3.6 days and accumulates 2.83" (72mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
The months with the highest UV index are May through August, with an average maximum UV index of 6.
June through October are months without snowfall in Germantown.
With an average of 14h and 54min of daylight, June has the longest days of the year.
July, with its average high-temperature of 86.5°F (30.3°C) and an average low-temperature of 66.9°F (19.4°C), holds the record as the warmest month.
July is the least humid month, with an average relative humidity of 72%.
The month with the most sunshine is July, with an average of 10.9h of sunshine.
The month with the most rainfall is August, when the rain falls for 16.2 days and typically aggregates up to 3.78" (96mm) of precipitation.
The months with the highest humidity are October and December, with an average relative humidity of 78%.
December has the shortest days of the year, with an average of 9h and 30min of daylight.
Average temperature
Germantown, MD
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.8°F).
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure
Germantown, MD
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.95"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed
Germantown, MD
- Average wind speed in January:
7.6mph - Average wind speed in February:
7.6mph - Average wind speed in March:
7.8mph - Average wind speed in April:
7.7mph - Average wind speed in May:
6.2mph - Average wind speed in June:
5.7mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.8mph - Average wind speed in September:
5.4mph - Average wind speed in October:
6.4mph - Average wind speed in November:
6.7mph - Average wind speed in December:
7mph
The windiest month (with the highest average wind speed) is March (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity
Germantown, MD
The months with the highest relative humidity are October and December (78%).
The month with the lowest relative humidity is July (72%).
Average rainfall
Germantown, MD
- Average rainfall in January:
1.97" - Average rainfall in February:
1.97" - Average rainfall in March:
2.32" - Average rainfall in April:
2.6" - Average rainfall in May:
3.15" - Average rainfall in June:
2.48"
- Average rainfall in July:
2.99" - Average rainfall in August:
3.78" - Average rainfall in September:
2.17" - Average rainfall in October:
2.48" - Average rainfall in November:
2.44" - Average rainfall in December:
2.36"
The wettest month (with the highest rainfall) is August (3.78").
The driest months (with the least rainfall) are January and February (1.97").
Average rainfall days
Germantown, MD
- Average rainfall days in January:
9.5 days - Average rainfall days in February:
9.6 days - Average rainfall days in March:
12.8 days - Average rainfall days in April:
14.8 days - Average rainfall days in May:
17.5 days - Average rainfall days in June:
15.7 days
- Average rainfall days in July:
16.9 days - Average rainfall days in August:
16.2 days - Average rainfall days in September:
14.2 days - Average rainfall days in October:
12.2 days - Average rainfall days in November:
9.5 days - Average rainfall days in December:
10.5 days
The month with the highest number of rainy days is May (17.5 days).
The months with the least rainy days are January and November (9.5 days).
Average snowfall
Germantown, MD
- Average snowfall in January:
2.68" - Average snowfall in February:
2.24" - Average snowfall in March:
2.83" - Average snowfall in April:
0.35" - Average snowfall in May:
0.16" - Average snowfall in June:
0"
The month with the highest snowfall is March (2.83").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days
Germantown, MD
- Average snowfall days in January:
5.8 days - Average snowfall days in February:
5.8 days - Average snowfall days in March:
3.6 days - Average snowfall days in April:
0.3 days - Average snowfall days in May:
0.1 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.5 days - Average snowfall days in December:
3 days
The months with the highest number of snowfall days are January and February (5.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight / Average sunshine
Germantown, MD
- Average daylight in January:
9h and 48min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 54min
- Average daylight in July:
14h and 36min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 30min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
5h and 0min - Average sunshine in February:
5h and 6min - Average sunshine in March:
6h and 48min - Average sunshine in April:
8h and 54min - Average sunshine in May:
8h and 48min - Average sunshine in June:
10h and 18min
- Average sunshine in July:
10h and 54min - Average sunshine in August:
10h and 18min - Average sunshine in September:
9h and 0min - Average sunshine in October:
5h and 36min - Average sunshine in November:
5h and 48min - Average sunshine in December:
5h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days
Germantown, MD
- Average sunshine days in January:
17.7 days - Average sunshine days in February:
15 days - Average sunshine days in March:
14.7 days - Average sunshine days in April:
13.6 days - Average sunshine days in May:
11.6 days - Average sunshine days in June:
12 days
- Average sunshine days in July:
11.3 days - Average sunshine days in August:
12.3 days - Average sunshine days in September:
14.1 days - Average sunshine days in October:
16.7 days - Average sunshine days in November:
19 days - Average sunshine days in December:
18.2 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (11.3 days).
Average UV index
Germantown, MD
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Germantown, MD
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility
Germantown, MD
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
