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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, is another cold winter month in Old Germantown, Maryland, with temperature in the range of an average low of 25.2°F (-3.8°C) and an average high of 38.8°F (3.8°C). Old Germantown's January weather, marked by an average high temperature of 38.8°F (3.8°C) and an average low temperature of 25.2°F (-3.8°C), is the coldest in the year. Weather in January »
Weather in February
February, the last month of the winter in Old Germantown, is a frosty month, with temperature in the range of an average low of 27.9°F (-2.3°C) and an average high of 43°F (6.1°C). February's onset records a minor alteration in the average high-temperature to a frosty 43°F (6.1°C) from January's 38.8°F (3.8°C). Weather in February »
Weather in March
March, the first month of the spring in Old Germantown, is a cool month, with an average temperature ranging between max 51.3°F (10.7°C) and min 35.2°F (1.8°C). As March arrives, a slight rise in the average high-temperature is observed, moving from a chilly 43°F (6.1°C) in February to a fresh 51.3°F (10.7°C). Weather in March »
Weather in April
April in Old Germantown, Maryland, is a refreshing spring month, with temperature in the range of an average high of 63.5°F (17.5°C) and an average low of 45°F (7.2°C). As April sets, the average high-temperature shows an increase, moving up from a cool 51.3°F (10.7°C) in March to a comfortable 63.5°F (17.5°C). Weather in April »
Weather in May
May, the last month of the spring in Old Germantown, is a warm month, with an average temperature ranging between min 54.9°F (12.7°C) and max 73.6°F (23.1°C). The onset of May marks an increase in the average high-temperature, moving from a refreshing 63.5°F (17.5°C) in April to a warm 73.6°F (23.1°C). Weather in May »
Weather in June
June, the first month of the summer in Old Germantown, is still a warm month, with an average temperature fluctuating between 81.7°F (27.6°C) and 62.2°F (16.8°C). The shift into June is characterized by a subtle rise in the average high-temperature, transitioning from May's 73.6°F (23.1°C) to a still moderately hot 81.7°F (27.6°C). Weather in June »
Weather in July
July is a tropical summer month in Old Germantown, Maryland, with an average temperature varying between 86.5°F (30.3°C) and 66.9°F (19.4°C). In Old Germantown, July is the warmest month, with temperatures averaging a high of 86.5°F (30.3°C) and a low of 66.9°F (19.4°C). July's mean heat index is estimated at a very hot 96.8°F (36°C). Weather in July »
Weather in August
August, the last month of the summer in Old Germantown, is another warm month, with an average temperature ranging between max 84.6°F (29.2°C) and min 65.5°F (18.6°C). The average high-temperature for August is a warm 84.6°F (29.2°C), closely aligning with the temperature of the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Old Germantown, is still a warm month, with an average temperature varying between 59.2°F (15.1°C) and 77.5°F (25.3°C). The shift from August to September includes a small decrease in the average high-temperature, from a moderately hot 84.6°F (29.2°C) to a still warm 77.5°F (25.3°C). Weather in September »
Weather in October
October, like September, in Old Germantown, Maryland, is another comfortable autumn month, with temperature in the range of an average high of 65.5°F (18.6°C) and an average low of 48.9°F (9.4°C). October is characterized by a reduction in the average high-temperature, from a warm 77.5°F (25.3°C) in September to a comfortable 65.5°F (18.6°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a fresh month in Old Germantown, Maryland, with an average temperature varying between 37.8°F (3.2°C) and 53.1°F (11.7°C). Old Germantown's transition into November involves a shift in temperature, receding from a refreshing 65.5°F (18.6°C) in October to a fresh 53.1°F (11.7°C). Weather in November »
Weather in December
December, the first month of the winter in Old Germantown, is also a frosty month, with an average temperature ranging between min 31.8°F (-0.1°C) and max 44.2°F (6.8°C). December ushers in a minute temperature change, with average high-temperatures reducing from November's fresh 53.1°F (11.7°C) to a frosty 44.2°F (6.8°C). Weather in December »
Updated: Jun 4, 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
What month is the coldest?
In Old Germantown, the lowest temperatures are generally noted in January, averaging a high of 38.8°F (3.8°C) and a low of 25.2°F (-3.8°C).
What is the driest month?
The months with the least rainfall are January and February Rain falls for 9.5 days and accumulates 1.97" (50mm) of rain.
How much does it rain?
Throughout the year, there are 159.4 rainfall days, and 30.71" (780mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through May, November and December.
How many days does it snow?
In Old Germantown, during the entire year, snow falls for 19.1 days and aggregates up to 10.04" (255mm) of snow.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 5h of sunshine.
What are the months with the lowest UV index?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
When does it snow the most in Old Germantown?
March is the month with the most snowfall. Snow falls for 3.6 days and accumulates 2.83" (72mm) of snow.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Old Germantown, 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.
What is the month with the highest UV index?
May through August, with an average maximum UV index of 6, are months with the highest UV index.
When it does not snow?
In Old Germantown, Maryland, snow does not fall in June through October.
When are the longest days?
With an average of 14h and 54min of daylight, June has the longest days of the year.
What month is the hottest?
July, recording an average high temperature of 86.5°F (30.3°C) and a low temperature of 66.9°F (19.4°C), is Old Germantown's warmest month.
What is the least humid month?
July is the least humid month, with an average relative humidity of 72%.
What month has the most sunshine?
July has the most sunshine of the year in Old Germantown, with an average of 10.9h of sunshine.
What is the rainiest month?
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.
What is the most humid month?
October and December, with an average relative humidity of 78%, are most humid months in Old Germantown.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 30min of daylight.
Average temperature
Old 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
Old 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
Old 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
Old 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
Old 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
Old 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
Old 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
Old 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
Old Germantown, MD
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 3min
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 1min - Average sunshine in March:
6h and 5min - Average sunshine in April:
8h and 5min - Average sunshine in May:
8h and 5min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 5min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 0min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 5min - Average sunshine in December:
5h and 1min
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
Old 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
Old 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
Old 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
Old 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).
Old Germantown, Maryland, USA
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