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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 Greenhills, Maryland, is an icy winter month, with an average temperature ranging between min 24.8°F (-4°C) and max 37.8°F (3.2°C). January, known for its average high temperature of 37.8°F (3.2°C) and an average low temperature of 24.8°F (-4°C), is the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Greenhills, is another cold month, with an average temperature ranging between max 42.1°F (5.6°C) and min 27°F (-2.8°C). Greenhills experiences a minor change to a still wintry 42.1°F (5.6°C) in average high-temperature during February, closely reflecting January. Weather in February »
Weather in March
The first month of the spring, March, is a fresh month in Greenhills, Maryland, with an average temperature varying between 50.5°F (10.3°C) and 34.3°F (1.3°C). Greenhills perceives a slight temperature ascent during March, with average high-temperatures adjusting from a cold 42.1°F (5.6°C) in February to a cool 50.5°F (10.3°C). Weather in March »
Weather in April
April is a comfortable spring month in Greenhills, Maryland, with an average temperature fluctuating between 44.2°F (6.8°C) and 63°F (17.2°C). April's arrival is marked by an increase in the average high-temperature, moving from a fresh 50.5°F (10.3°C) in March to an enjoyable 63°F (17.2°C). Weather in April »
Weather in May
May, the last month of the spring in Greenhills, is an agreeable month, with an average temperature varying between 54.5°F (12.5°C) and 72.7°F (22.6°C). With the onset of May, the average high-temperature slightly shifts from April's comfortable 63°F (17.2°C) to a pleasant 72.7°F (22.6°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Greenhills, Maryland, with an average temperature fluctuating between 61.3°F (16.3°C) and 80.2°F (26.8°C). June's arrival signals a modest temperature shift, moving from a pleasant 72.7°F (22.6°C) in May to a moderately hot 80.2°F (26.8°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Greenhills, Maryland, with an average temperature varying between 85.6°F (29.8°C) and 66.6°F (19.2°C). The month of July, characterized by an average high of 85.6°F (29.8°C) and a low of 66.6°F (19.2°C), is recognized as the warmest. In July, the heat index is calculated to be a torrid 96.8°F (36°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Greenhills, Maryland, with an average temperature varying between 64.9°F (18.3°C) and 82.9°F (28.3°C). August is marked by an average high-temperature of a still warm 82.9°F (28.3°C), almost identical to the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Greenhills, is also a moderately hot month, with an average temperature varying between 76.5°F (24.7°C) and 58.6°F (14.8°C). As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from 82.9°F (28.3°C) to a still moderately hot 76.5°F (24.7°C). Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in Greenhills, Maryland, with an average temperature varying between 48°F (8.9°C) and 64.6°F (18.1°C). In Greenhills, the average high-temperature in October decreases from a moderately hot 76.5°F (24.7°C) in September to a refreshing 64.6°F (18.1°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a fresh month in Greenhills, Maryland, with an average temperature varying between 52.3°F (11.3°C) and 37°F (2.8°C). November weather is marked by a drop in the average high-temperature, falling from an enjoyable 64.6°F (18.1°C) in October to a fresh 52.3°F (11.3°C). Weather in November »
Weather in December
The first month of the winter, December, is still a chilly month in Greenhills, Maryland, with an average temperature varying between 43.5°F (6.4°C) and 31.1°F (-0.5°C). The arrival of December signals a subtle shift in temperature, down from a fresh 52.3°F (11.3°C) in November to a frosty 43.5°F (6.4°C). Weather in December »
Updated: Aug 22, 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?
The coldest period is January, when temperatures fluctuate between an average high of 37.8°F (3.2°C) and a low of 24.8°F (-4°C).
What is the driest month?
The month with the least rainfall is January, when the rain falls for 8.3 days and typically collects 1.93" (49mm) of precipitation.
How much does it rain?
In Greenhills, during the entire year, the rain falls for 158.7 days and collects up to 30.91" (785mm) of precipitation.
When does it snow?
January through May, October through December are months with snowfall.
How much does it snow?
Throughout the year, there are 21.3 snowfall days, and 13.31" (338mm) of snow is accumulated.
What are the months 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 in Greenhills?
The month with the least sunshine is February, with an average of 4.9h of sunshine.
When does it snow the most?
March is the month with the most snowfall. Snow falls for 4.5 days and accumulates 4.09" (104mm) of snow.
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 are the least humid months?
April and July, with an average relative humidity of 74%, are the least humid months in Greenhills.
What are the most humid months?
The months with the highest humidity are May and October, with an average relative humidity of 79%.
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 it does not snow?
In Greenhills, snow does not fall in June through September.
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?
Temperature records mark July as the warmest month, with highs averaging 85.6°F (29.8°C) and lows at 66.6°F (19.2°C).
What month has the most sunshine in Greenhills?
The month with the most sunshine is July, with an average of 10.8h of sunshine.
What is the rainiest month?
August is the month with the most rainfall. Rain falls for 16.8 days and accumulates 3.82" (97mm) 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
Greenhills, 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 (37.8°F).
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure
Greenhills, MD
- Average pressure in January:
30.11"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:
29.95"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 (29.95"Hg).
Average wind speed
Greenhills, MD
- Average wind speed in January:
8mph - Average wind speed in February:
8mph - Average wind speed in March:
8.1mph - Average wind speed in April:
8mph - Average wind speed in May:
6.4mph - Average wind speed in June:
5.8mph
- Average wind speed in July:
5mph - Average wind speed in August:
4.8mph - Average wind speed in September:
5.5mph - Average wind speed in October:
6.6mph - Average wind speed in November:
7mph - Average wind speed in December:
7.3mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity
Greenhills, MD
The months with the highest relative humidity are May and October (79%).
The months with the lowest relative humidity are April and July (74%).
Average rainfall
Greenhills, MD
- Average rainfall in January:
1.93" - Average rainfall in February:
2.01" - Average rainfall in March:
2.28" - Average rainfall in April:
2.64" - Average rainfall in May:
3.19" - Average rainfall in June:
2.52"
- Average rainfall in July:
3.23" - Average rainfall in August:
3.82" - Average rainfall in September:
2.17" - Average rainfall in October:
2.48" - Average rainfall in November:
2.4" - Average rainfall in December:
2.24"
The wettest month (with the highest rainfall) is August (3.82").
The driest month (with the least rainfall) is January (1.93").
Average rainfall days
Greenhills, MD
- Average rainfall days in January:
8.3 days - Average rainfall days in February:
9.2 days - Average rainfall days in March:
12.7 days - Average rainfall days in April:
15.6 days - Average rainfall days in May:
17.7 days - Average rainfall days in June:
16.2 days
- Average rainfall days in July:
16.3 days - Average rainfall days in August:
16.8 days - Average rainfall days in September:
14.3 days - Average rainfall days in October:
11.6 days - Average rainfall days in November:
9.6 days - Average rainfall days in December:
10.4 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (8.3 days).
Average snowfall
Greenhills, MD
The month with the highest snowfall is March (4.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Greenhills, MD
- Average snowfall days in January:
6.3 days - Average snowfall days in February:
5.8 days - Average snowfall days in March:
4.5 days - Average snowfall days in April:
0.3 days - Average snowfall days in May:
0.1 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:
0.2 days - Average snowfall days in November:
0.6 days - Average snowfall days in December:
3.5 days
The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Greenhills, 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 0min - Average sunshine in February:
4h and 5min - Average sunshine in March:
6h and 5min - Average sunshine in April:
8h and 4min - Average sunshine in May:
8h and 4min - Average sunshine in June:
10h and 1min
- 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 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days
Greenhills, MD
- Average sunshine days in January:
17.9 days - Average sunshine days in February:
14.5 days - Average sunshine days in March:
14 days - Average sunshine days in April:
12.3 days - Average sunshine days in May:
10.8 days - Average sunshine days in June:
11.6 days
- Average sunshine days in July:
12.1 days - Average sunshine days in August:
11.9 days - Average sunshine days in September:
14.2 days - Average sunshine days in October:
16.9 days - Average sunshine days in November:
19.3 days - Average sunshine days in December:
17.6 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (10.8 days).
Average UV index
Greenhills, 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
Greenhills, MD
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility
Greenhills, MD
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Greenhills, Maryland, USA
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