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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 Willowbrook, Maryland, is another cold winter month, with an average temperature fluctuating between 28.4°F (-2°C) and 39.6°F (4.2°C). The coldest period is January, when temperatures fluctuate between an average high of 39.6°F (4.2°C) and a low of 28.4°F (-2°C). Weather in January »
Weather in February
The last month of the winter, February, is a chilly month in Willowbrook, Maryland, with an average temperature ranging between max 43.2°F (6.2°C) and min 30.7°F (-0.7°C). Transitioning from January to February, Willowbrook observes an average high-temperature of a frosty 43.2°F (6.2°C), differing subtly from the previous month. Weather in February »
Weather in March
March, the first month of the spring in Willowbrook, is a fresh month, with an average temperature varying between 50.7°F (10.4°C) and 37.8°F (3.2°C). As Willowbrook transitions into March, a marginal rise in the average high-temperature is observed, moving from a chilly 43.2°F (6.2°C) in February to a fresh 50.7°F (10.4°C). Weather in March »
Weather in April
April is a refreshing spring month in Willowbrook, Maryland, with an average temperature varying between 62.8°F (17.1°C) and 47.5°F (8.6°C). A rise in the average high-temperature is observed during April, moving from a cool 50.7°F (10.4°C) in March to a comfortable 62.8°F (17.1°C). Weather in April »
Weather in May
May, the last month of the spring in Willowbrook, is a pleasant month, with temperature in the range of an average high of 72.1°F (22.3°C) and an average low of 57.2°F (14°C). Willowbrook's transition into May brings a rise in the average high-temperature, moving from a comfortable 62.8°F (17.1°C) in April to a pleasant 72.1°F (22.3°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Willowbrook, Maryland, with temperature in the range of an average low of 65.7°F (18.7°C) and an average high of 80.2°F (26.8°C). Willowbrook's weather in June shows a minor rise in the average high-temperature, moving slightly up from May's agreeable 72.1°F (22.3°C) to a warm 80.2°F (26.8°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Willowbrook, Maryland, with an average temperature ranging between min 70.7°F (21.5°C) and max 85.6°F (29.8°C). Willowbrook's temperatures tend to reach their peak averages in July, with a high of 85.6°F (29.8°C) and a low of 70.7°F (21.5°C). The heat index for July is computed to be a fiery hot 95°F (35°C). Weather in July »
Weather in August
August, the last month of the summer in Willowbrook, is also a moderately hot month, with temperature in the range of an average low of 69.1°F (20.6°C) and an average high of 83.7°F (28.7°C). As Willowbrook welcomes August, the average high-temperature is noted at a still warm 83.7°F (28.7°C), closely aligning with the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Willowbrook, is still a warm month, with an average temperature fluctuating between 63.3°F (17.4°C) and 77.4°F (25.2°C). With the beginning of September, the average high-temperature shows a small decrease, transitioning from a moderately hot 83.7°F (28.7°C) in August to a still warm 77.4°F (25.2°C). Weather in September »
Weather in October
October, the same as September, is another enjoyable autumn month in Willowbrook, Maryland, with an average temperature fluctuating between 52.9°F (11.6°C) and 65.5°F (18.6°C). As Willowbrook enters October, the average high-temperature decreases from the a moderately hot 77.4°F (25.2°C) of 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 Willowbrook, Maryland, with an average temperature fluctuating between 53.8°F (12.1°C) and 41.4°F (5.2°C). A change in temperatures is noted as October gives way to November, with average highs reducing from a refreshing 65.5°F (18.6°C) to a fresh 53.8°F (12.1°C). Weather in November »
Weather in December
December, the first month of the winter in Willowbrook, is also a frosty month, with an average temperature varying between 34.7°F (1.5°C) and 45.5°F (7.5°C). December's onset introduces a mild reduction in the average high-temperature, from a fresh 53.8°F (12.1°C) in November to a chilly 45.5°F (7.5°C). Weather in December »
Updated: Jul 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 month in Willowbrook?
January stands out as Willowbrook's coldest month, with an average high-temperature of 39.6°F (4.2°C) and a low-temperature of 28.4°F (-2°C).
What are the least humid months?
The months with the lowest humidity are January, March, April and November, with an average relative humidity of 72%.
How many days does it rain?
In Willowbrook, during the entire year, the rain falls for 155.7 days and collects up to 31.22" (793mm) of precipitation.
When does it snow?
January through April, November and December are months with snowfall.
When does it snow the most?
The month with the most snowfall is January, when snow falls for 4.4 days and typically aggregates up to 2.05" (52mm) of snow.
How much does it snow?
Throughout the year, there are 14 snowfall days, and 6.14" (156mm) of snow is accumulated.
What are the months with the lowest UV index?
January, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the month with the least sunshine?
February has the least sunshine of the year, with an average of 5.1h of sunshine.
When is Daylight Saving Time (DST)?
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.
What is the most humid month?
May is the most humid month, with an average relative humidity of 78%.
When it does not snow?
In Willowbrook, snow does not fall in May through October.
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 are the longest days?
June has the longest days of the year, with an average of 14h and 54min of daylight.
What time of the year is the hottest?
Willowbrook, Maryland, notes the warmest temperatures in July, with a average high of 85.6°F (29.8°C) and a low of 70.7°F (21.5°C).
What month has the most sunshine?
With an average of 10.9h of sunshine, July has the most sunshine of the year.
What is the rainiest month in Willowbrook?
August is the month with the most rainfall in Willowbrook. Rain falls for 13.9 days and accumulates 3.54" (90mm) of precipitation.
What is the driest month in Willowbrook?
The month with the least rainfall is September, when the rain falls for 11.8 days and typically collects 1.89" (48mm) of precipitation.
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
Willowbrook, MD
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (39.6°F).
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).
Average pressure
Willowbrook, 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:
30.05"Hg - Average pressure in October:
30.03"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
Willowbrook, MD
- Average wind speed in January:
9.3mph - Average wind speed in February:
9.3mph - Average wind speed in March:
9.4mph - Average wind speed in April:
9.1mph - Average wind speed in May:
7.5mph - Average wind speed in June:
7mph
The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity
Willowbrook, MD
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March, April and November (72%).
Average rainfall
Willowbrook, MD
- Average rainfall in January:
2.01" - Average rainfall in February:
2.36" - Average rainfall in March:
2.48" - Average rainfall in April:
2.6" - Average rainfall in May:
2.87" - Average rainfall in June:
2.6"
- Average rainfall in July:
3.23" - Average rainfall in August:
3.54" - Average rainfall in September:
1.89" - Average rainfall in October:
2.64" - Average rainfall in November:
2.17" - Average rainfall in December:
2.83"
The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days
Willowbrook, MD
- Average rainfall days in January:
9.9 days - Average rainfall days in February:
10.8 days - Average rainfall days in March:
14.3 days - Average rainfall days in April:
15.7 days - Average rainfall days in May:
17.5 days - Average rainfall days in June:
14.2 days
- Average rainfall days in July:
15.5 days - Average rainfall days in August:
13.9 days - Average rainfall days in September:
11.8 days - Average rainfall days in October:
11.3 days - Average rainfall days in November:
9.4 days - Average rainfall days in December:
11.4 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is November (9.4 days).
Average snowfall
Willowbrook, MD
The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Willowbrook, MD
- Average snowfall days in January:
4.4 days - Average snowfall days in February:
4.2 days - Average snowfall days in March:
2.4 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:
0.5 days - Average snowfall days in December:
2.4 days
The month with the highest number of snowfall days is January (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Willowbrook, 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 2min - 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:
9h and 1min - 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 1min - 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 February (Average sunshine: 5h and 6min).
Average sunshine days
Willowbrook, MD
- Average sunshine days in January:
17.5 days - Average sunshine days in February:
13.9 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
12.8 days - Average sunshine days in May:
10.8 days - Average sunshine days in June:
14 days
- Average sunshine days in July:
13.8 days - Average sunshine days in August:
15.3 days - Average sunshine days in September:
16.4 days - Average sunshine days in October:
17.5 days - Average sunshine days in November:
18.7 days - Average sunshine days in December:
16.9 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (10.8 days).
Average UV index
Willowbrook, 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, November and December (UV index 2).
Average cloud cover
Willowbrook, MD
The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility
Willowbrook, MD
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Willowbrook, Maryland, USA
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