Climate and monthly weather forecastFort Washington, MD
Climate and monthly weather forecast
Weather in January
January, the same as December, is a wintry winter month in Fort Washington, Maryland, with temperature in the range of an average high of 40.6°F (4.8°C) and an average low of 27.7°F (-2.4°C). The month of January sees the lowest average temperatures, reaching 40.6°F (4.8°C) at the peak and 27.7°F (-2.4°C) at the low. Weather in January »Weather in February
The last month of the winter, February, is a frosty month in Fort Washington, Maryland, with an average temperature ranging between min 30.2°F (-1°C) and max 45.1°F (7.3°C). February's arrival registers an average high-temperature of a frosty 45.1°F (7.3°C), closely aligning with the temperature of the previous month. Weather in February »Weather in March
The first month of the spring, March, is a cool month in Fort Washington, Maryland, with an average temperature fluctuating between 53.2°F (11.8°C) and 37.4°F (3°C). Fort Washington's transition into March sees a mild rise in the average high-temperature, edging from a frosty 45.1°F (7.3°C) in February to a fresh 53.2°F (11.8°C). Weather in March »Weather in April
April is a comfortable spring month in Fort Washington, Maryland, with an average temperature fluctuating between 65.1°F (18.4°C) and 47.3°F (8.5°C). As April begins, there is an increase in the average high-temperature, moving from a fresh 53.2°F (11.8°C) in March to a refreshing 65.1°F (18.4°C). Weather in April »Weather in May
May, the last month of the spring in Fort Washington, is a moderately hot month, with temperature in the range of an average low of 56.8°F (13.8°C) and an average high of 74.7°F (23.7°C). With the transition into May, Fort Washington experiences an increase in average high-temperatures, moving up from an enjoyable 65.1°F (18.4°C) in April to a moderately hot 74.7°F (23.7°C). Weather in May »Weather in June
June, the first month of the summer in Fort Washington, is also a moderately hot month, with an average temperature ranging between max 82.8°F (28.2°C) and min 64.2°F (17.9°C). The shift into June is characterized by a subtle rise in the average high-temperature, transitioning from May's 74.7°F (23.7°C) to a still warm 82.8°F (28.2°C). Weather in June »Weather in July
July in Fort Washington, Maryland, is a hot summer month, with temperature in the range of an average low of 69.1°F (20.6°C) and an average high of 87.8°F (31°C). July is the warmest month, with the temperature often reaching an average high of 87.8°F (31°C) and an average low of 69.1°F (20.6°C). For July, the heat index is calculated to be a sweltering 100.4°F (38°C). Weather in July »Weather in August
August, the last month of the summer in Fort Washington, is another warm month, with an average temperature fluctuating between 67.6°F (19.8°C) and 85.6°F (29.8°C). With the arrival of August, Fort Washington's average high-temperature registers at a warm 85.6°F (29.8°C), indicating a subtle variation from the previous month. Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Fort Washington, Maryland, with an average temperature fluctuating between 61.7°F (16.5°C) and 78.6°F (25.9°C). Start of September brings a slight shift in the average high-temperature, dipping a bit from August's warm 85.6°F (29.8°C) to a still moderately hot 78.6°F (25.9°C). Weather in September »Weather in October
October, the same as September, is another enjoyable autumn month in Fort Washington, Maryland, with an average temperature ranging between max 67.1°F (19.5°C) and min 51.3°F (10.7°C). The onset of October comes with a shift in the average high-temperature, falling from a warm 78.6°F (25.9°C) in September to a comfortable 67.1°F (19.5°C). Weather in October »Weather in November
November, the last month of the autumn in Fort Washington, is another cool month, with an average temperature ranging between max 55°F (12.8°C) and min 39.9°F (4.4°C). As November begins, there is a decrease in the average high-temperature, falling from a comfortable 67.1°F (19.5°C) in October to a cool 55°F (12.8°C). Weather in November »Weather in December
December, the first month of the winter in Fort Washington, is also a frosty month, with an average temperature ranging between min 34°F (1.1°C) and max 46.2°F (7.9°C). As December arrives, Fort Washington's weather displays a minor decrease in high-temperatures, transitioning from November's fresh 55°F (12.8°C) to a frosty 46.2°F (7.9°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
January, with an average high of 40.6°F (4.8°C) and a low of 27.7°F (-2.4°C), signifies the coldest month of the year.
In Fort Washington, during the entire year, the rain falls for 158.2 days and collects up to 30.67" (779mm) of precipitation.
January through April, November and December are months with snowfall.
January is the month with the most snowfall. Snow falls for 4.5 days and accumulates 2.48" (63mm) of snow.
In Fort Washington, during the entire year, snow falls for 14.4 days and aggregates up to 7.56" (192mm) of snow.
The months with the lowest UV index are January and December, with an average maximum UV index of 2.
February has the least sunshine of the year, with an average of 5.1h of sunshine.
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.
April and July, with an average relative humidity of 71%, are the least humid months.
The months with the highest humidity are May, October and December, with an average relative humidity of 76%.
May through October are months without snowfall.
The months with the highest UV index in Fort Washington are May through August, with an average maximum UV index of 6.
June has the longest days of the year, with an average of 14h and 48min of daylight.
July, having an average high-temperature of 87.8°F (31°C) and an average low-temperature of 69.1°F (20.6°C), is the warmest month.
With an average of 10.8h of sunshine, July has the most sunshine of the year.
August is the month with the most rainfall. Rain falls for 15.9 days and accumulates 3.43" (87mm) of precipitation.
The month with the least rainfall is September, when the rain falls for 11.9 days and typically collects 1.93" (49mm) of precipitation.
With an average of 9h and 30min of daylight, December has the shortest days of the year.
Average temperature
Fort Washington, MD
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (40.6°F).
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).
Average pressure
Fort Washington, 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:
30.05"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
Fort Washington, MD
- Average wind speed in January:
7.5mph - 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:
6.3mph - Average wind speed in June:
5.8mph
- Average wind speed in July:
5.1mph - Average wind speed in August:
5mph - Average wind speed in September:
5.6mph - Average wind speed in October:
6.6mph - Average wind speed in November:
6.8mph - Average wind speed in December:
6.8mph
The windiest month (with the highest average wind speed) is March (7.8mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity
Fort Washington, MD
The months with the highest relative humidity are May, October and December (76%).
The months with the lowest relative humidity are April and July (71%).
Average rainfall
Fort Washington, MD
- Average rainfall in January:
2.05" - Average rainfall in February:
2.17" - Average rainfall in March:
2.44" - Average rainfall in April:
2.76" - Average rainfall in May:
2.95" - Average rainfall in June:
2.6"
- Average rainfall in July:
2.95" - Average rainfall in August:
3.43" - Average rainfall in September:
1.93" - Average rainfall in October:
2.56" - Average rainfall in November:
2.17" - Average rainfall in December:
2.68"
The wettest month (with the highest rainfall) is August (3.43").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days
Fort Washington, MD
- Average rainfall days in January:
9.9 days - Average rainfall days in February:
10.6 days - Average rainfall days in March:
14.4 days - Average rainfall days in April:
15.7 days - Average rainfall days in May:
17.7 days - Average rainfall days in June:
14.5 days
- Average rainfall days in July:
16.5 days - Average rainfall days in August:
15.9 days - Average rainfall days in September:
11.9 days - Average rainfall days in October:
12 days - Average rainfall days in November:
8.5 days - Average rainfall days in December:
10.6 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is November (8.5 days).
Average snowfall
Fort Washington, MD
The month with the highest snowfall is January (2.48").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Fort Washington, MD
- Average snowfall days in January:
4.5 days - Average snowfall days in February:
4.3 days - Average snowfall days in March:
2.6 days - Average snowfall days in April:
0.1 days - Average snowfall days in May:
0 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:
0.4 days - Average snowfall days in December:
2.5 days
The month with the highest number of snowfall days is January (4.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Fort Washington, 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 12min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 48min
- Average daylight in July:
14h and 36min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 6min - Average daylight in December:
9h and 30min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
5h and 12min - Average sunshine in February:
5h and 6min - Average sunshine in March:
6h and 54min - Average sunshine in April:
8h and 54min - Average sunshine in May:
9h and 0min - Average sunshine in June:
10h and 18min
- Average sunshine in July:
10h and 48min - Average sunshine in August:
10h and 12min - Average sunshine in September:
9h and 0min - Average sunshine in October:
5h and 42min - 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 48min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days
Fort Washington, MD
- Average sunshine days in January:
17.6 days - Average sunshine days in February:
14.3 days - Average sunshine days in March:
13.9 days - Average sunshine days in April:
12.4 days - Average sunshine days in May:
11.5 days - Average sunshine days in June:
13.7 days
- Average sunshine days in July:
12.7 days - Average sunshine days in August:
13.7 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
17.7 days - Average sunshine days in November:
19.8 days - Average sunshine days in December:
17.4 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (11.5 days).
Average UV index
Fort Washington, 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 and December (UV index 2).
Average cloud cover
Fort Washington, 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
Fort Washington, 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).
