Climate and monthly weather forecastGarrison, MD
Climate and monthly weather forecast
Weather in January
January, like December, in Garrison, Maryland, is another cold winter month, with an average temperature varying between 37.9°F (3.3°C) and 25.3°F (-3.7°C). In Garrison, the month of January is known for its lowest average temperatures, reaching a high of 37.9°F (3.3°C) and a low of 25.3°F (-3.7°C). Weather in January »Weather in February
February, the last month of the winter in Garrison, is also a wintry month, with an average temperature ranging between max 41.9°F (5.5°C) and min 27.9°F (-2.3°C). The beginning of February records an average high-temperature of a still icy 41.9°F (5.5°C), marking a negligible difference from January's 37.9°F (3.3°C). Weather in February »Weather in March
The first month of the spring, March, is a cool month in Garrison, Maryland, with an average temperature fluctuating between 50.4°F (10.2°C) and 35.1°F (1.7°C). With the onset of March, the average high-temperature subtly transitions from a cold 41.9°F (5.5°C) in February to a fresh 50.4°F (10.2°C). Weather in March »Weather in April
April in Garrison, Maryland, is an enjoyable spring month, with temperature in the range of an average high of 62.6°F (17°C) and an average low of 45°F (7.2°C). With the onset of April, Garrison's average high-temperature sees a rise, moving from March's fresh 50.4°F (10.2°C) to a refreshing 62.6°F (17°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Garrison, Maryland, with temperature in the range of an average low of 55°F (12.8°C) and an average high of 72.1°F (22.3°C). With the onset of May, Garrison's weather sees a temperature rise, transitioning from a comfortable 62.6°F (17°C) in April to an agreeable 72.1°F (22.3°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Garrison, Maryland, with an average temperature varying between 79.9°F (26.6°C) and 62.6°F (17°C). Garrison's weather in June presents a minor rise in the average high-temperature, moving from an agreeable 72.1°F (22.3°C) in May to a warm 79.9°F (26.6°C). Weather in June »Weather in July
July, like June, in Garrison, Maryland, is a moderately hot summer month, with temperature in the range of an average high of 84.9°F (29.4°C) and an average low of 67.8°F (19.9°C). July is the warmest month of the year, registering average temperatures as high as 84.9°F (29.4°C) and as low as 67.8°F (19.9°C). July's mean heat index is estimated at a tropical 93.2°F (34°C). Weather in July »Weather in August
August, the last month of the summer in Garrison, is another warm month, with an average temperature fluctuating between 83.1°F (28.4°C) and 66.6°F (19.2°C). The transition into August reveals an average high-temperature of a still warm 83.1°F (28.4°C), mirroring a close resemblance to July. Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Garrison, Maryland, with an average temperature fluctuating between 59.7°F (15.4°C) and 76.5°F (24.7°C). As August transitions into September, Garrison sees a gentle drop in the average high-temperature, transitioning from 83.1°F (28.4°C) to a still warm 76.5°F (24.7°C). Weather in September »Weather in October
October, like September, in Garrison, Maryland, is another refreshing autumn month, with an average temperature varying between 64.8°F (18.2°C) and 49.5°F (9.7°C). The commencement of October involves a temperature shift, with the average high-temperature dropping from a moderately hot 76.5°F (24.7°C) in September to a refreshing 64.8°F (18.2°C). Weather in October »Weather in November
The last month of the autumn, November, is another cool month in Garrison, Maryland, with an average temperature varying between 52.7°F (11.5°C) and 38.3°F (3.5°C). November brings a decrease in the average high-temperature, shifting from a refreshing 64.8°F (18.2°C) in October to a fresh 52.7°F (11.5°C). Weather in November »Weather in December
The first month of the winter, December, is also a frosty month in Garrison, Maryland, with temperature in the range of an average low of 32.4°F (0.2°C) and an average high of 43.7°F (6.5°C). December's onset brings a reduction in the average high-temperature, from a cool 52.7°F (11.5°C) in November to a frosty 43.7°F (6.5°C). Weather in December »Updated: Aug 8, 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
Garrison's coldest month, January, generally records average temperatures ranging from a high of 37.9°F (3.3°C) to a low of 25.3°F (-3.7°C).
The months with the least rainfall are January and February Rain falls for 9.1 days and accumulates 2.28" (58mm) of rain.
In Garrison, during the entire year, the rain falls for 167.8 days and collects up to 34.53" (877mm) of precipitation.
Months with snowfall are January through April, November and December.
In Garrison, during the entire year, snow falls for 21 days and aggregates up to 10.91" (277mm) of snow.
The months with the least sunshine are January and February, with an average of 5h of sunshine.
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
March is the month with the most snowfall. Snow falls for 4.3 days and accumulates 3.39" (86mm) 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.
April and July, with an average relative humidity of 73%, are the least humid months.
The most humid month is May, with an average relative humidity of 78%.
In Garrison, snow does not fall in May through October.
The months with the highest UV index are May through August, with an average maximum UV index of 6.
The month with the longest days is June, with an average of 14h and 54min of daylight.
In Garrison, the average highest temperatures are observed in July, with a high of 84.9°F (29.4°C) and a low of 67.8°F (19.9°C).
With an average of 10.7h of sunshine, July has the most sunshine of the year in Garrison, Maryland.
The month with the most rainfall is August, when the rain falls for 17.3 days and typically aggregates up to 4.37" (111mm) of precipitation.
With an average of 9h and 24min of daylight, December has the shortest days of the year.
Average temperature
Garrison, MD
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (37.9°F).
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).
Average pressure
Garrison, MD
- Average pressure in January:
30.1"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:
29.94"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 (29.94"Hg).
Average wind speed
Garrison, MD
- Average wind speed in January:
8.7mph - Average wind speed in February:
8.7mph - Average wind speed in March:
8.8mph - Average wind speed in April:
8.6mph - Average wind speed in May:
6.9mph - Average wind speed in June:
6.3mph
- Average wind speed in July:
5.4mph - Average wind speed in August:
5.3mph - Average wind speed in September:
6.1mph - Average wind speed in October:
7.3mph - Average wind speed in November:
7.6mph - Average wind speed in December:
8mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity
Garrison, MD
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are April and July (73%).
Average rainfall
Garrison, MD
- Average rainfall in January:
2.28" - Average rainfall in February:
2.28" - Average rainfall in March:
2.6" - Average rainfall in April:
2.76" - Average rainfall in May:
3.31" - Average rainfall in June:
2.72"
- Average rainfall in July:
3.62" - Average rainfall in August:
4.37" - Average rainfall in September:
2.4" - Average rainfall in October:
2.72" - Average rainfall in November:
2.64" - Average rainfall in December:
2.83"
The wettest month (with the highest rainfall) is August (4.37").
The driest months (with the least rainfall) are January and February (2.28").
Average rainfall days
Garrison, MD
- Average rainfall days in January:
9.1 days - Average rainfall days in February:
10.1 days - Average rainfall days in March:
13.6 days - Average rainfall days in April:
15.8 days - Average rainfall days in May:
18.2 days - Average rainfall days in June:
16.3 days
- Average rainfall days in July:
18.1 days - Average rainfall days in August:
17.3 days - Average rainfall days in September:
14.2 days - Average rainfall days in October:
13.3 days - Average rainfall days in November:
10.4 days - Average rainfall days in December:
11.4 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (9.1 days).
Average snowfall
Garrison, MD
The month with the highest snowfall is March (3.39").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Garrison, MD
- Average snowfall days in January:
5.8 days - Average snowfall days in February:
6.1 days - Average snowfall days in March:
4.3 days - Average snowfall days in April:
0.4 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:
0.5 days - Average snowfall days in December:
3.9 days
The month with the highest number of snowfall days is February (6.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Garrison, MD
- Average daylight in January:
9h and 48min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 24min - 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 24min
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 24min).
- Average sunshine in January:
5h and 0min - Average sunshine in February:
5h and 0min - Average sunshine in March:
6h and 42min - Average sunshine in April:
8h and 42min - Average sunshine in May:
8h and 42min - Average sunshine in June:
10h and 12min
- Average sunshine in July:
10h and 42min - 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 42min).
The months with the least sunshine are January and February (Average sunshine: 5h and 0min).
Average sunshine days
Garrison, MD
- Average sunshine days in January:
16.7 days - Average sunshine days in February:
13.6 days - Average sunshine days in March:
13.3 days - Average sunshine days in April:
12.9 days - Average sunshine days in May:
10.2 days - Average sunshine days in June:
11.7 days
- Average sunshine days in July:
10.9 days - Average sunshine days in August:
11.7 days - Average sunshine days in September:
14.1 days - Average sunshine days in October:
15.5 days - Average sunshine days in November:
18.4 days - Average sunshine days in December:
16.5 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is May (10.2 days).
Average UV index
Garrison, 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
Garrison, MD
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility
Garrison, 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).
