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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 Westerlee, Maryland, is an icy winter month, with temperature in the range of an average low of 26.2°F (-3.2°C) and an average high of 38.1°F (3.4°C). January, with its high-temperature average of 38.1°F (3.4°C) and a low-temperature average of 26.2°F (-3.2°C), is the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is another cold month in Westerlee, Maryland, with an average temperature ranging between max 42.3°F (5.7°C) and min 28.6°F (-1.9°C). The start of February sees the average high-temperature at a still wintry 42.3°F (5.7°C), showing little difference from January's 38.1°F (3.4°C). Weather in February »
Weather in March
The first month of the spring, March, is a cool month in Westerlee, Maryland, with an average temperature fluctuating between 50.5°F (10.3°C) and 35.6°F (2°C). March's arrival sees a mild rise in the average high-temperature, transitioning from February's wintry 42.3°F (5.7°C) to a cool 50.5°F (10.3°C). Weather in March »
Weather in April
April in Westerlee, Maryland, is a refreshing spring month, with temperature in the range of an average low of 45.7°F (7.6°C) and an average high of 63.1°F (17.3°C). The shift from March to April is marked by an increase in the average high-temperature, moving from a cool 50.5°F (10.3°C) to a comfortable 63.1°F (17.3°C). Weather in April »
Weather in May
May, the last month of the spring in Westerlee, is an agreeable month, with an average temperature ranging between min 55.2°F (12.9°C) and max 72.5°F (22.5°C). The arrival of May brings a temperature shift, with the average high-temperature escalating from a refreshing 63.1°F (17.3°C) in April to a pleasant 72.5°F (22.5°C). Weather in May »
Weather in June
June, the first month of the summer in Westerlee, is a moderately hot month, with an average temperature ranging between min 63.9°F (17.7°C) and max 80.6°F (27°C). In Westerlee, the average high-temperature in June slightly increases from an agreeable 72.5°F (22.5°C) in May to a warm 80.6°F (27°C). Weather in June »
Weather in July
July, like June, in Westerlee, Maryland, is another warm summer month, with an average temperature fluctuating between 85.6°F (29.8°C) and 68.7°F (20.4°C). July is the warmest month, exhibiting average temperatures of 85.6°F (29.8°C) at the peak and 68.7°F (20.4°C) at the base. The heat index for July is estimated at a sweltering 95°F (35°C). Weather in July »
Weather in August
August, the last month of the summer in Westerlee, is another warm month, with temperature in the range of an average low of 67.3°F (19.6°C) and an average high of 83.5°F (28.6°C). Westerlee experiences an average high-temperature of a still moderately hot 83.5°F (28.6°C) in August, marking an insignificant shift from 85.6°F (29.8°C) in July. Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Westerlee, Maryland, with temperature in the range of an average high of 77°F (25°C) and an average low of 60.8°F (16°C). A mild shift in the average high-temperature occurs in September, reducing from a warm 83.5°F (28.6°C) in August to a still moderately hot 77°F (25°C). Weather in September »
Weather in October
October, like September, in Westerlee, Maryland, is another enjoyable autumn month, with an average temperature varying between 65.1°F (18.4°C) and 50.2°F (10.1°C). The shift from September to October involves a decrease in the average high-temperature, from a moderately hot 77°F (25°C) to an enjoyable 65.1°F (18.4°C). Weather in October »
Weather in November
November, the last month of the autumn in Westerlee, is another cool month, with an average temperature ranging between min 39°F (3.9°C) and max 53.1°F (11.7°C). As Westerlee enters November, the average high-temperature decreases from the a refreshing 65.1°F (18.4°C) of October to a fresh 53.1°F (11.7°C). Weather in November »
Weather in December
The first month of the winter, December, is also a frosty month in Westerlee, Maryland, with an average temperature varying between 44.1°F (6.7°C) and 32.9°F (0.5°C). The average high-temperature slightly decreases in December, shifting from a cool 53.1°F (11.7°C) in November to a frosty 44.1°F (6.7°C). Weather in December »
Updated: Aug 20, 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 part of the year is the coldest?
With average high and low temperatures of 38.1°F (3.4°C) and 26.2°F (-3.2°C) respectively, January is Westerlee's coldest month.
What is the driest month?
The month with the least rainfall is January, when the rain falls for 9.7 days and typically collects 2.05" (52mm) of precipitation.
How many days does it rain?
Throughout the year, there are 165.7 rainfall days, and 31.77" (807mm) of precipitation is accumulated.
When does it snow in Westerlee?
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 4.9 days and typically aggregates up to 2.4" (61mm) of snow.
How many days does it snow?
Throughout the year, there are 16.6 snowfall days, and 7.8" (198mm) of snow is accumulated.
What is the month with the lowest UV index in Westerlee?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
What is the month with the least sunshine?
With an average of 5h of sunshine, February has the least sunshine of the year in Westerlee.
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?
The most humid month is May, with an average relative humidity of 77%.
When it does not snow?
May through October are months without snowfall.
When is 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?
The month with the longest days is June, with an average of 14h and 54min of daylight.
What time of the year is the hottest?
In Westerlee, July is identified by the average highest temperatures, reaching a peak of 85.6°F (29.8°C) and a low of 68.7°F (20.4°C).
What is the least humid month?
The least humid month in Westerlee is July, with an average relative humidity of 71%.
What month has the most sunshine?
With an average of 10.8h of sunshine, July has the most sunshine of the year.
What is the wettest month?
The month with the most rainfall is August, when the rain falls for 15.9 days and typically aggregates up to 3.74" (95mm) of precipitation.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 30min of daylight.
Average temperature
Westerlee, 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 (38.1°F).
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).
Average pressure
Westerlee, 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
Westerlee, MD
- Average wind speed in January:
8.6mph - Average wind speed in February:
8.6mph - Average wind speed in March:
8.8mph - Average wind speed in April:
8.5mph - Average wind speed in May:
6.9mph - Average wind speed in June:
6.3mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.4mph - Average wind speed in September:
6.2mph - 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 (5.4mph).
Average humidity
Westerlee, MD
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is July (71%).
Average rainfall
Westerlee, MD
- Average rainfall in January:
2.05" - Average rainfall in February:
2.24" - Average rainfall in March:
2.48" - Average rainfall in April:
2.48" - Average rainfall in May:
3.11" - Average rainfall in June:
2.52"
- Average rainfall in July:
3.19" - Average rainfall in August:
3.74" - Average rainfall in September:
2.28" - Average rainfall in October:
2.64" - Average rainfall in November:
2.44" - Average rainfall in December:
2.6"
The wettest month (with the highest rainfall) is August (3.74").
The driest month (with the least rainfall) is January (2.05").
Average rainfall days
Westerlee, MD
- Average rainfall days in January:
9.7 days - Average rainfall days in February:
10.3 days - Average rainfall days in March:
13.6 days - Average rainfall days in April:
15.6 days - Average rainfall days in May:
18.2 days - Average rainfall days in June:
15.9 days
- Average rainfall days in July:
17.7 days - Average rainfall days in August:
15.9 days - Average rainfall days in September:
13.3 days - Average rainfall days in October:
13.5 days - Average rainfall days in November:
10.2 days - Average rainfall days in December:
11.8 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (9.7 days).
Average snowfall
Westerlee, MD
The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Westerlee, MD
- Average snowfall days in January:
4.9 days - Average snowfall days in February:
4.7 days - Average snowfall days in March:
3.3 days - Average snowfall days in April:
0.3 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:
2.9 days
The month with the highest number of snowfall days is January (4.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Westerlee, MD
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 4min - 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 1min - 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 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 4min - Average sunshine in December:
5h and 1min
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 0min).
Average sunshine days
Westerlee, MD
- Average sunshine days in January:
16.9 days - Average sunshine days in February:
14.3 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
12.5 days - Average sunshine days in May:
10.4 days - Average sunshine days in June:
12.8 days
- Average sunshine days in July:
11.8 days - Average sunshine days in August:
13 days - Average sunshine days in September:
14.5 days - Average sunshine days in October:
15.2 days - Average sunshine days in November:
18.5 days - Average sunshine days in December:
16.2 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.4 days).
Average UV index
Westerlee, 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
Westerlee, MD
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility
Westerlee, 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).
Westerlee, Maryland, USA
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