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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, like December, in Poolesville, Maryland, is an icy winter month, 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). With an average high-temperature of 38.8°F (3.8°C) and an average low-temperature of 25.2°F (-3.8°C), January is the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Poolesville, is a frosty month, with an average temperature ranging between max 43.3°F (6.3°C) and min 27.9°F (-2.3°C). Poolesville experiences a transition to a chilly 43.3°F (6.3°C) in average high-temperatures with the arrival of February, not greatly differing from January's 38.8°F (3.8°C). Weather in February »
Weather in March
The first month of the spring, March, is a fresh month in Poolesville, Maryland, with an average temperature fluctuating between 35.1°F (1.7°C) and 51.4°F (10.8°C). Poolesville's March weather indicates a minor ascent in high-temperatures, adjusting from a frosty 43.3°F (6.3°C) in February to a fresh 51.4°F (10.8°C). Weather in March »
Weather in April
April is a comfortable spring month in Poolesville, Maryland, with an average temperature ranging between max 64°F (17.8°C) and min 45°F (7.2°C). With the onset of April, Poolesville experiences a temperature shift, with the average high-temperature moving from a fresh 51.4°F (10.8°C) in March to a comfortable 64°F (17.8°C). Weather in April »
Weather in May
May, the last month of the spring in Poolesville, is a warm month, with an average temperature varying between 54.9°F (12.7°C) and 73.9°F (23.3°C). May's onset is marked by a temperature increase, moving from a refreshing 64°F (17.8°C) in April to a moderately hot 73.9°F (23.3°C). Weather in May »
Weather in June
The first month of the summer, June, is still a warm month in Poolesville, Maryland, with an average temperature ranging between min 61.7°F (16.5°C) and max 82°F (27.8°C). Poolesville's transition into June is marked by a minor temperature shift, moving from 73.9°F (23.3°C) in May to a still warm 82°F (27.8°C). Weather in June »
Weather in July
July in Poolesville, Maryland, is a hot summer month, with an average temperature ranging between max 86.7°F (30.4°C) and min 66.7°F (19.3°C). Poolesville's warmest month, July, generally records average temperatures ranging from a high of 86.7°F (30.4°C) to a low of 66.7°F (19.3°C). The heat index in July is estimated at a sweltering 98.6°F (37°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Poolesville, Maryland, with an average temperature ranging between min 65.3°F (18.5°C) and max 84.7°F (29.3°C). The advent of August observes an average high-temperature of a moderately hot 84.7°F (29.3°C), nearly identical to July's 86.7°F (30.4°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Poolesville, Maryland, with an average temperature fluctuating between 59°F (15°C) and 77.7°F (25.4°C). As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from a moderately hot 84.7°F (29.3°C) to a still warm 77.7°F (25.4°C). Weather in September »
Weather in October
October, like September, in Poolesville, Maryland, is another enjoyable autumn month, with an average temperature varying between 65.5°F (18.6°C) and 48.2°F (9°C). As October commences, the average high-temperature shows a reduction, transitioning from a moderately hot 77.7°F (25.4°C) in September to a refreshing 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 Poolesville, Maryland, with an average temperature varying between 53.2°F (11.8°C) and 37.2°F (2.9°C). November weather is marked by a drop in the average high-temperature, falling from an enjoyable 65.5°F (18.6°C) in October to a fresh 53.2°F (11.8°C). Weather in November »
Weather in December
The first month of the winter, December, is still a chilly month in Poolesville, Maryland, with an average temperature varying between 31.6°F (-0.2°C) and 44.2°F (6.8°C). The arrival of December corresponds with a temperature reduction, down from November's fresh 53.2°F (11.8°C) to a chilly 44.2°F (6.8°C). Weather in December »
Updated: Aug 15, 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 is the coldest time of year?
In Poolesville, the average lowest temperatures are observed in January, with a high of 38.8°F (3.8°C) and a low of 25.2°F (-3.8°C).
How many days does it rain?
Throughout the year, there are 115.4 rainfall days, and 10.59" (269mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through April, November and December.
What is the snowiest month?
The month with the most snowfall is January, when snow falls for 3.7 days and typically aggregates up to 0.75" (19mm) of snow.
How much does it snow?
In Poolesville, during the entire year, snow falls for 12.7 days and aggregates up to 2.24" (57mm) of snow.
What are the months with the least sunshine?
January and February, with an average of 5h of sunshine, are months with the least sunshine.
When is the lowest UV index?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Poolesville, 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.
When it does not snow in Poolesville?
In Poolesville, snow does not fall in May through October.
What is the month with the highest UV index?
The months with the highest UV index are May through August, with an average maximum UV index of 6.
When are the longest days?
With an average of 14h and 54min of daylight, June has the longest days of the year.
What part of the year is the hottest?
July proves to be the warmest month, recording an average peak temperature of 86.7°F (30.4°C) and a minimum temperature of 66.7°F (19.3°C).
What is the least humid month?
With an average relative humidity of 72%, July is the least humid month.
What month has the most sunshine?
The month with the most sunshine is July, with an average of 10.8h of sunshine.
What is the wettest month?
August is the month with the most rainfall in Poolesville. Rain falls for 11.8 days and accumulates 1.5" (38mm) of precipitation.
What is the driest month?
September is the month with the least rainfall. Rain falls for 9.6 days and accumulates 0.51" (13mm) of precipitation.
What is the most humid month?
The months with the highest humidity are October and December, with an average relative humidity of 78%.
What is the month with the shortest days?
With an average of 9h and 30min of daylight, December has the shortest days of the year.
Average temperature
Poolesville, MD
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (38.8°F).
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure
Poolesville, 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:
30"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
Poolesville, MD
- Average wind speed in January:
7.3mph - Average wind speed in February:
7.4mph - Average wind speed in March:
7.6mph - Average wind speed in April:
7.5mph - Average wind speed in May:
6.1mph - Average wind speed in June:
5.5mph
- Average wind speed in July:
4.7mph - Average wind speed in August:
4.7mph - Average wind speed in September:
5.3mph - Average wind speed in October:
6.2mph - Average wind speed in November:
6.6mph - Average wind speed in December:
6.8mph
The windiest month (with the highest average wind speed) is March (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity
Poolesville, 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
Poolesville, MD
- Average rainfall in January:
0.59" - Average rainfall in February:
0.55" - Average rainfall in March:
0.79" - Average rainfall in April:
0.91" - Average rainfall in May:
1.26" - Average rainfall in June:
1.02"
- Average rainfall in July:
1.22" - Average rainfall in August:
1.5" - Average rainfall in September:
0.51" - Average rainfall in October:
0.87" - Average rainfall in November:
0.71" - Average rainfall in December:
0.67"
The wettest month (with the highest rainfall) is August (1.5").
The driest month (with the least rainfall) is September (0.51").
Average rainfall days
Poolesville, MD
- Average rainfall days in January:
6.1 days - Average rainfall days in February:
6.3 days - Average rainfall days in March:
10.3 days - Average rainfall days in April:
11.5 days - Average rainfall days in May:
13.8 days - Average rainfall days in June:
11.8 days
- Average rainfall days in July:
11.8 days - Average rainfall days in August:
11.8 days - Average rainfall days in September:
9.6 days - Average rainfall days in October:
8.5 days - Average rainfall days in November:
6.7 days - Average rainfall days in December:
7.2 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is January (6.1 days).
Average snowfall
Poolesville, MD
The month with the highest snowfall is January (0.75").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Poolesville, MD
- Average snowfall days in January:
3.7 days - Average snowfall days in February:
4.1 days - Average snowfall days in March:
2.4 days - Average snowfall days in April:
0.1 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:
0.2 days - Average snowfall days in December:
2.1 days
The month with the highest number of snowfall days is February (4.1 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight / Average sunshine
Poolesville, 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 0min - 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 1min
- Average sunshine in July:
10h and 5min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 5min - 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 48min).
The months with the least sunshine are January and February (Average sunshine: 5h and 0min).
Average sunshine days
Poolesville, MD
- Average sunshine days in January:
21.9 days - Average sunshine days in February:
19 days - Average sunshine days in March:
18.8 days - Average sunshine days in April:
16.7 days - Average sunshine days in May:
14.6 days - Average sunshine days in June:
16.7 days
- Average sunshine days in July:
16.6 days - Average sunshine days in August:
16.2 days - Average sunshine days in September:
17.7 days - Average sunshine days in October:
20.9 days - Average sunshine days in November:
21.7 days - Average sunshine days in December:
21.5 days
The month with the most sunshine days is January (21.9 days).
The month with the least sunshine days is May (14.6 days).
Average UV index
Poolesville, 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
Poolesville, 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
Poolesville, 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).
Poolesville, Maryland, USA
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