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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 Heather Heights, Maryland, is an icy winter month, with temperature in the range of an average high of 39.2°F (4°C) and an average low of 27.9°F (-2.3°C). Heather Heights witnesses the coldest weather in January, with temperatures averaging a high of 39.2°F (4°C) and a low of 27.9°F (-2.3°C). Weather in January »
Weather in February
February, the last month of the winter in Heather Heights, is a chilly month, with temperature in the range of an average low of 30.6°F (-0.8°C) and an average high of 43.2°F (6.2°C). The shift into February finds Heather Heights at an average high-temperature of a frosty 43.2°F (6.2°C), closely comparable to January's conditions. Weather in February »
Weather in March
March, the first month of the spring in Heather Heights, is a fresh month, with an average temperature varying between 50°F (10°C) and 36.9°F (2.7°C). In March, the average high-temperature marginally rises from a frosty 43.2°F (6.2°C) in February to a fresh 50°F (10°C). Weather in March »
Weather in April
April is a refreshing spring month in Heather Heights, Maryland, with an average temperature ranging between max 62.2°F (16.8°C) and min 46.4°F (8°C). A rise in the average high-temperature is observed during April, moving from a cool 50°F (10°C) in March to an enjoyable 62.2°F (16.8°C). Weather in April »
Weather in May
May, the last month of the spring in Heather Heights, is a pleasant month, with an average temperature ranging between max 71.4°F (21.9°C) and min 55.9°F (13.3°C). May witnesses an increase in the average high-temperature, moving from an enjoyable 62.2°F (16.8°C) in April to a pleasant 71.4°F (21.9°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Heather Heights, Maryland, with an average temperature ranging between min 64.4°F (18°C) and max 79.5°F (26.4°C). June's arrival is noted with a slight increase in the average high-temperature, moving from an agreeable 71.4°F (21.9°C) in May to a moderately hot 79.5°F (26.4°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Heather Heights, Maryland, with an average temperature fluctuating between 84.6°F (29.2°C) and 69.4°F (20.8°C). July, recording an average high temperature of 84.6°F (29.2°C) and a low temperature of 69.4°F (20.8°C), is Heather Heights's warmest month. Throughout July, the heat index is computed to be a sweltering 95°F (35°C). Weather in July »
Weather in August
August, the last month of the summer in Heather Heights, is also a moderately hot month, with an average temperature fluctuating between 82.9°F (28.3°C) and 67.6°F (19.8°C). The arrival of August records an average high-temperature of a still moderately hot 82.9°F (28.3°C), closely related to the 84.6°F (29.2°C) observed in July. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Heather Heights, Maryland, with an average temperature ranging between min 61.7°F (16.5°C) and max 77.2°F (25.1°C). The beginning of September brings a slight decrease in the average high-temperature, transitioning from 82.9°F (28.3°C) in August to a still warm 77.2°F (25.1°C). Weather in September »
Weather in October
October, like September, in Heather Heights, Maryland, is another comfortable autumn month, with an average temperature ranging between max 65.8°F (18.8°C) and min 52.3°F (11.3°C). A change in temperatures is noted as September gives way to October, with average highs reducing from a moderately hot 77.2°F (25.1°C) to an enjoyable 65.8°F (18.8°C). Weather in October »
Weather in November
November, the last month of the autumn in Heather Heights, is another cool month, with an average temperature ranging between min 40.8°F (4.9°C) and max 54°F (12.2°C). The commencement of November indicates a shift in the average high-temperature, receding from October's comfortable 65.8°F (18.8°C) to a cool 54°F (12.2°C). Weather in November »
Weather in December
The first month of the winter, December, is also a frosty month in Heather Heights, Maryland, with temperature in the range of an average high of 45.5°F (7.5°C) and an average low of 34.5°F (1.4°C). Heather Heights's transition into December involves a gentle shift in temperature, receding from a fresh 54°F (12.2°C) in November to a chilly 45.5°F (7.5°C). Weather in December »
Updated: Jul 30, 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?
The coldest temperatures occur during January, when averages reach a peak of 39.2°F (4°C) and a low of 27.9°F (-2.3°C).
What are the least humid months in Heather Heights?
The months with the lowest humidity are January, March, April and November, with an average relative humidity of 74%.
How much does it rain?
Throughout the year, there are 107.5 rainfall days, and 10.67" (271mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through March, November and December.
What is the snowiest month in Heather Heights?
The month with the most snowfall is January, when snow falls for 3.1 days and typically aggregates up to 0.59" (15mm) of snow.
How much does it snow?
Throughout the year, there are 9.4 snowfall days, and 1.73" (44mm) of snow is accumulated.
What are the months with the lowest UV index?
January 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?
With an average of 5.1h of sunshine, February has the least sunshine of the year.
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.
When it does not snow in Heather Heights?
In Heather Heights, snow does not fall in April through October.
What is the most humid month?
May is the most humid month, with an average relative humidity of 79%.
What are the months 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?
The month with the longest days in Heather Heights is June, with an average of 14h and 54min of daylight.
What month is the hottest?
In Heather Heights, July is the month with the highest recorded average temperatures, measuring a high of 84.6°F (29.2°C) and a low of 69.4°F (20.8°C).
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?
The month with the most rainfall is August, when the rain falls for 11.2 days and typically aggregates up to 1.42" (36mm) of precipitation.
What is the driest month in Heather Heights?
The month with the least rainfall is September, when the rain falls for 8.5 days and typically collects 0.43" (11mm) of precipitation.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 30min of daylight.
Average temperature
Heather Heights, MD
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (39.2°F).
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).
Average pressure
Heather Heights, MD
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.07"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:
29.96"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:
30.13"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Heather Heights, MD
- Average wind speed in January:
9.3mph - Average wind speed in February:
9.4mph - Average wind speed in March:
9.3mph - Average wind speed in April:
9.3mph - Average wind speed in May:
7.4mph - Average wind speed in June:
6.9mph
- Average wind speed in July:
5.9mph - Average wind speed in August:
5.7mph - Average wind speed in September:
6.5mph - Average wind speed in October:
7.8mph - Average wind speed in November:
8.3mph - Average wind speed in December:
8.6mph
The windiest month (with the highest average wind speed) is February (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity
Heather Heights, MD
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January, March, April and November (74%).
Average rainfall
Heather Heights, MD
- Average rainfall in January:
0.51" - Average rainfall in February:
0.71" - Average rainfall in March:
0.87" - Average rainfall in April:
0.83" - Average rainfall in May:
0.87" - Average rainfall in June:
1.14"
- Average rainfall in July:
1.34" - Average rainfall in August:
1.42" - Average rainfall in September:
0.43" - Average rainfall in October:
0.94" - Average rainfall in November:
0.63" - Average rainfall in December:
0.98"
The wettest month (with the highest rainfall) is August (1.42").
The driest month (with the least rainfall) is September (0.43").
Average rainfall days
Heather Heights, MD
- Average rainfall days in January:
6.3 days - Average rainfall days in February:
7.1 days - Average rainfall days in March:
9.8 days - Average rainfall days in April:
9.8 days - Average rainfall days in May:
10.7 days - Average rainfall days in June:
10.5 days
- Average rainfall days in July:
12.4 days - Average rainfall days in August:
11.2 days - Average rainfall days in September:
8.5 days - Average rainfall days in October:
8.3 days - Average rainfall days in November:
5.6 days - Average rainfall days in December:
7.3 days
The month with the highest number of rainy days is July (12.4 days).
The month with the least rainy days is November (5.6 days).
Average snowfall
Heather Heights, MD
The month with the highest snowfall is January (0.59").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Heather Heights, MD
- Average snowfall days in January:
3.1 days - Average snowfall days in February:
2.3 days - Average snowfall days in March:
2.3 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:
0.2 days - Average snowfall days in December:
1.4 days
The month with the highest number of snowfall days is January (3.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Heather Heights, 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 4min - Average sunshine in April:
8h and 4min - Average sunshine in May:
9h and 0min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
10h and 5min - Average sunshine in August:
10h and 3min - Average sunshine in September:
9h and 2min - 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 month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days
Heather Heights, MD
- Average sunshine days in January:
22.3 days - Average sunshine days in February:
18.3 days - Average sunshine days in March:
18.9 days - Average sunshine days in April:
18.3 days - Average sunshine days in May:
17.3 days - Average sunshine days in June:
15.8 days
- Average sunshine days in July:
15.1 days - Average sunshine days in August:
17.4 days - Average sunshine days in September:
19.6 days - Average sunshine days in October:
21.1 days - Average sunshine days in November:
22.2 days - Average sunshine days in December:
21.8 days
The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is July (15.1 days).
Average UV index
Heather Heights, 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
Heather Heights, MD
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility
Heather Heights, 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).
Heather Heights, Maryland, USA
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