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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 an average temperature ranging between min 27.9°F (-2.3°C) and max 39.2°F (4°C). January brings the lowest temperatures, with an average high of 39.2°F (4°C) and an average low of 27.9°F (-2.3°C). Weather in January »
Weather in February
The last month of the winter, February, is a frosty month in Heather Heights, Maryland, with an average temperature fluctuating between 43.2°F (6.2°C) and 30.6°F (-0.8°C). The initiation of February sees an average high-temperature of a frosty 43.2°F (6.2°C), showing minor variations from the previous month. Weather in February »
Weather in March
March, the first month of the spring in Heather Heights, is a cool month, with an average temperature varying between 50°F (10°C) and 36.9°F (2.7°C). With the transition into March, Heather Heights experiences a subtle uplift in average high-temperatures, adjusting 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 comfortable spring month in Heather Heights, Maryland, with an average temperature varying between 62.2°F (16.8°C) and 46.4°F (8°C). Heather Heights in April sees a temperature change, with average high-temperatures 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
The last month of the spring, May, is a pleasant month in Heather Heights, Maryland, with an average temperature varying between 55.9°F (13.3°C) and 71.4°F (21.9°C). The arrival of May sees a shift in the average high-temperature, moving from a refreshing 62.2°F (16.8°C) in April to a pleasant 71.4°F (21.9°C). Weather in May »
Weather in June
June, the first month of the summer in Heather Heights, is a moderately hot month, with an average temperature ranging between max 79.5°F (26.4°C) and min 64.4°F (18°C). In Heather Heights, stepping into June brings a gentle temperature nudge, moving slightly up from May's pleasant 71.4°F (21.9°C) 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). The warmest period tends to be July, when average temperatures fluctuate between a high of 84.6°F (29.2°C) and a low of 69.4°F (20.8°C). July's mean heat index is estimated at a fiery hot 95°F (35°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Heather Heights, Maryland, with an average temperature ranging between max 82.9°F (28.3°C) and min 67.6°F (19.8°C). In August, the average high-temperature registers at a still moderately hot 82.9°F (28.3°C), nearly identical to July's 84.6°F (29.2°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Heather Heights, Maryland, with an average temperature fluctuating between 61.7°F (16.5°C) and 77.2°F (25.1°C). With the commencement of September, Heather Heights records a moderate temperature decline, with the average high easing from August's 82.9°F (28.3°C) 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 refreshing autumn month, with an average temperature ranging between max 65.8°F (18.8°C) and min 52.3°F (11.3°C). October indicates a shift in the average high-temperature, from September's warm 77.2°F (25.1°C) to a comfortable 65.8°F (18.8°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a fresh month in Heather Heights, Maryland, with an average temperature ranging between min 40.8°F (4.9°C) and max 54°F (12.2°C). November involves a decrease in temperature, down from a comfortable 65.8°F (18.8°C) in October to a fresh 54°F (12.2°C). Weather in November »
Weather in December
December, the first month of the winter in Heather Heights, is still a chilly month, with an average temperature ranging between min 34.5°F (1.4°C) and max 45.5°F (7.5°C). As Heather Heights enters December, the average high-temperature subtly lowers from the a fresh 54°F (12.2°C) of November to a chilly 45.5°F (7.5°C). Weather in December »
[Resources]Frequently asked questions
What is the coldest time of year in Heather Heights?
The coldest period in Heather Heights, Maryland, tends to be January, when average temperatures fluctuate between a high 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 in Heather Heights are January, March, April and November, with an average relative humidity of 74%.
How many days does it rain in Heather Heights?
Throughout the year, in Heather Heights, Maryland, there are 107.5 rainfall days, and 10.67" (271mm) of precipitation is accumulated.
When does it snow in Heather Heights?
January through March, November and December are months with snowfall.
What is the snowiest month in Heather Heights?
January is the month with the most snowfall in Heather Heights, Maryland. Snow falls for 3.1 days and accumulates 0.59" (15mm) of snow.
How much does it snow in Heather Heights?
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 in Heather Heights?
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Heather Heights, Maryland.
What is the month with the least sunshine in Heather Heights?
With an average of 5.1h of sunshine, February has the least sunshine of the year in Heather Heights, Maryland.
When is Daylight Saving Time (DST) in Heather Heights?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Heather Heights, 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?
April through October are months without snowfall in Heather Heights.
What is the most humid month in Heather Heights?
The most humid month in Heather Heights is May, with an average relative humidity of 79%.
When is the highest UV index in Heather Heights?
The months with the highest UV index are May through August, with an average maximum UV index of 6.
When are the longest days in Heather Heights?
With an average of 14h and 54min of daylight, June has the longest days of the year in Heather Heights.
What part of the year is the hottest in Heather Heights?
Heather Heights experiences its average highest temperatures in July, reaching a peak of 84.6°F (29.2°C) and a minimum of 69.4°F (20.8°C).
What month has the most sunshine in Heather Heights?
With an average of 10.8h of sunshine, July has the most sunshine of the year.
What is the wettest month in Heather Heights?
The month with the most rainfall in Heather Heights, Maryland, 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?
September is the month with the least rainfall. Rain falls for 8.5 days and accumulates 0.43" (11mm) of precipitation.
What is the month with the shortest days in Heather Heights?
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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