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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, the same as December, is a wintry winter month in Harmans, Maryland, with temperature in the range of an average low of 27.3°F (-2.6°C) and an average high of 38.8°F (3.8°C). Harmans's January weather, marked by an average high temperature of 38.8°F (3.8°C) and an average low temperature of 27.3°F (-2.6°C), is the coldest in the year. Weather in January »
Weather in February
February, the last month of the winter in Harmans, is a frosty month, with an average temperature varying between 29.7°F (-1.3°C) and 43°F (6.1°C). The initiation of February sees an average high-temperature of a frosty 43°F (6.1°C), showing minor variations from the previous month. Weather in February »
Weather in March
The first month of the spring, March, is a cool month in Harmans, Maryland, with an average temperature varying between 36.7°F (2.6°C) and 50.7°F (10.4°C). In Harmans, stepping into March brings a gentle temperature nudge, moving slightly up from February's chilly 43°F (6.1°C) to a cool 50.7°F (10.4°C). Weather in March »
Weather in April
April is an enjoyable spring month in Harmans, Maryland, with an average temperature fluctuating between 46.6°F (8.1°C) and 63.1°F (17.3°C). The arrival of April brings an increase in high-temperatures, moving from a cool 50.7°F (10.4°C) in March to a refreshing 63.1°F (17.3°C). Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in Harmans, Maryland, with an average temperature ranging between max 72.3°F (22.4°C) and min 56.3°F (13.5°C). As May begins, there is an increase in the average high-temperature, moving from a comfortable 63.1°F (17.3°C) in April to a pleasant 72.3°F (22.4°C). Weather in May »
Weather in June
June, the first month of the summer in Harmans, is a warm month, with an average temperature ranging between max 80.8°F (27.1°C) and min 64.8°F (18.2°C). The shift into June is accompanied by a modest temperature increase, with the average high-temperature edging up from an agreeable 72.3°F (22.4°C) in May to a warm 80.8°F (27.1°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Harmans, Maryland, with an average temperature fluctuating between 70°F (21.1°C) and 85.6°F (29.8°C). In Harmans, the highest average temperatures are observed in July, with a high of 85.6°F (29.8°C) and a low of 70°F (21.1°C). The heat index value for July is estimated at a very hot 95°F (35°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Harmans, Maryland, with an average temperature ranging between min 68.7°F (20.4°C) and max 83.8°F (28.8°C). Harmans registers an average high-temperature of a still warm 83.8°F (28.8°C) at the commencement of August, closely related to the preceding month. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Harmans, Maryland, with an average temperature varying between 62.2°F (16.8°C) and 77.2°F (25.1°C). The shift from August to September coincides with a small decrease in the average high-temperature, down to a still warm 77.2°F (25.1°C) from a moderately hot 83.8°F (28.8°C). Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in Harmans, Maryland, with an average temperature ranging between min 51.8°F (11°C) and max 65.3°F (18.5°C). Onset of October witnesses a reduction in the average high-temperature, falling from a moderately hot 77.2°F (25.1°C) in September to an enjoyable 65.3°F (18.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is another cool month in Harmans, Maryland, with an average temperature ranging between min 40.3°F (4.6°C) and max 53.4°F (11.9°C). During Harmans's transition into November, the average high-temperature lessens, moving from a refreshing 65.3°F (18.5°C) in October to a fresh 53.4°F (11.9°C). Weather in November »
Weather in December
December, the first month of the winter in Harmans, is also a frosty month, with an average temperature fluctuating between 45.5°F (7.5°C) and 34.2°F (1.2°C). In Harmans, the beginning of December is marked by a marginally lowered average high-temperature, shifting from November's fresh 53.4°F (11.9°C) to a frosty 45.5°F (7.5°C). Weather in December »
Updated: Aug 17, 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 Harmans, January is the coldest month, with temperatures averaging a high of 38.8°F (3.8°C) and a low of 27.3°F (-2.6°C).
What is the driest month?
The month with the least rainfall is January, when the rain falls for 8.6 days and typically collects 1.77" (45mm) of precipitation.
How many days does it rain?
Throughout the year, there are 156.3 rainfall days, and 29.61" (752mm) of precipitation is accumulated.
When does it snow?
January through March, November and December are months with snowfall.
What is the snowiest month?
January is the month with the most snowfall in Harmans. Snow falls for 3.8 days and accumulates 2.24" (57mm) of snow.
How much does it snow in Harmans?
Throughout the year, there are 12.8 snowfall days, and 6.77" (172mm) of snow is accumulated.
What is the month with the lowest UV index?
January, February, 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?
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 in Harmans, 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 are the least humid months in Harmans?
The months with the lowest humidity are April and July, with an average relative humidity of 72%.
When it does not snow?
April through October are months without snowfall.
What is the most humid month?
With an average relative humidity of 77%, May is the most humid month.
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?
The month with the longest days is June, with an average of 14h and 54min of daylight.
What part of the year is the hottest?
The warmest temperatures occur during July, when averages reach a peak of 85.6°F (29.8°C) and a low of 70°F (21.1°C).
What month has the most sunshine?
July has the most sunshine of the year, with an average of 10.9h of sunshine.
What is the rainiest month in Harmans?
August is the month with the most rainfall. Rain falls for 16.7 days and accumulates 3.94" (100mm) 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
Harmans, 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 (38.8°F).
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure
Harmans, MD
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.07"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:
29.97"Hg - Average pressure in August:
29.99"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 (29.94"Hg).
Average wind speed
Harmans, MD
- Average wind speed in January:
8.9mph - Average wind speed in February:
9mph - Average wind speed in March:
9mph - Average wind speed in April:
8.8mph - Average wind speed in May:
7.1mph - Average wind speed in June:
6.6mph
- Average wind speed in July:
5.7mph - Average wind speed in August:
5.7mph - Average wind speed in September:
6.5mph - Average wind speed in October:
7.7mph - Average wind speed in November:
8.1mph - Average wind speed in December:
8.3mph
The windiest months (with the highest average wind speed) are February and March (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity
Harmans, MD
The month with the highest relative humidity is May (77%).
The months with the lowest relative humidity are April and July (72%).
Average rainfall
Harmans, MD
- Average rainfall in January:
1.77" - Average rainfall in February:
1.97" - Average rainfall in March:
2.17" - Average rainfall in April:
2.2" - Average rainfall in May:
2.91" - Average rainfall in June:
2.68"
- Average rainfall in July:
3.43" - Average rainfall in August:
3.94" - Average rainfall in September:
2.09" - Average rainfall in October:
2.2" - Average rainfall in November:
1.97" - Average rainfall in December:
2.28"
The wettest month (with the highest rainfall) is August (3.94").
The driest month (with the least rainfall) is January (1.77").
Average rainfall days
Harmans, MD
- Average rainfall days in January:
8.6 days - Average rainfall days in February:
9.8 days - Average rainfall days in March:
12.9 days - Average rainfall days in April:
15 days - Average rainfall days in May:
17 days - Average rainfall days in June:
15.6 days
- Average rainfall days in July:
16.8 days - Average rainfall days in August:
16.7 days - Average rainfall days in September:
13.1 days - Average rainfall days in October:
12 days - Average rainfall days in November:
8.7 days - Average rainfall days in December:
10.1 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (8.6 days).
Average snowfall
Harmans, MD
The month with the highest snowfall is January (2.24").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Harmans, MD
- Average snowfall days in January:
3.8 days - Average snowfall days in February:
3.9 days - Average snowfall days in March:
2.6 days - Average snowfall days in April:
0 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:
0.3 days - Average snowfall days in December:
2.2 days
The month with the highest number of snowfall days is February (3.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Harmans, 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 1min - Average sunshine in February:
5h and 1min - Average sunshine in March:
7h and 0min - Average sunshine in April:
8h and 5min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 3min
- Average sunshine in July:
10h and 5min - Average sunshine in August:
10h and 2min - 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 54min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days
Harmans, MD
- Average sunshine days in January:
18.8 days - Average sunshine days in February:
15.6 days - Average sunshine days in March:
15.3 days - Average sunshine days in April:
14 days - Average sunshine days in May:
11.7 days - Average sunshine days in June:
11.9 days
- Average sunshine days in July:
10.9 days - Average sunshine days in August:
12.1 days - Average sunshine days in September:
14.7 days - Average sunshine days in October:
16.8 days - Average sunshine days in November:
19.9 days - Average sunshine days in December:
18.5 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is July (10.9 days).
Average UV index
Harmans, 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
Harmans, 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
Harmans, 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).
Harmans, Maryland, USA
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