Expand
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 another cold winter month in Union Hills, Maryland, with temperature in the range of an average low of 23.5°F (-4.7°C) and an average high of 36.7°F (2.6°C). Union Hills reaches its lowest average temperatures in January, measuring 36.7°F (2.6°C) at the peak and 23.5°F (-4.7°C) at the lowest. Weather in January »
Weather in February
The last month of the winter, February, is also an icy month in Union Hills, Maryland, with an average temperature fluctuating between 25.5°F (-3.6°C) and 40.5°F (4.7°C). February commences with an average high-temperature of a still cold 40.5°F (4.7°C), showing little deviation from January's 36.7°F (2.6°C). Weather in February »
Weather in March
March, the first month of the spring in Union Hills, is a frosty month, with an average temperature ranging between max 49.3°F (9.6°C) and min 32.9°F (0.5°C). March brings a slight elevation in the average high-temperature, transitioning from February's icy 40.5°F (4.7°C) to a chilly 49.3°F (9.6°C). Weather in March »
Weather in April
April is a comfortable spring month in Union Hills, Maryland, with temperature in the range of an average high of 61.5°F (16.4°C) and an average low of 42.8°F (6°C). Union Hills, Maryland, sees an increase in the average high-temperature with the arrival of April, moving from March's chilly 49.3°F (9.6°C) to a comfortable 61.5°F (16.4°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Union Hills, Maryland, with an average temperature ranging between max 71.2°F (21.8°C) and min 52.9°F (11.6°C). With the onset of May, Union Hills's average high-temperature experiences a rise, moving from April's enjoyable 61.5°F (16.4°C) to an agreeable 71.2°F (21.8°C). Weather in May »
Weather in June
June, the first month of the summer in Union Hills, is a warm month, with temperature in the range of an average low of 60.1°F (15.6°C) and an average high of 79.3°F (26.3°C). With the beginning of June, Union Hills's average high-temperature sees a minor increase, transitioning from an agreeable 71.2°F (21.8°C) in May to a moderately hot 79.3°F (26.3°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Union Hills, Maryland, with an average temperature varying between 64.6°F (18.1°C) and 84°F (28.9°C). Temperature readings reach their annual highs in July, averaging 84°F (28.9°C) and a minimum average of 64.6°F (18.1°C). During July, the heat index is calculated to be a tropical 93.2°F (34°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Union Hills, Maryland, with temperature in the range of an average low of 63.1°F (17.3°C) and an average high of 81.9°F (27.7°C). The transition into August reveals an average high-temperature of a still moderately hot 81.9°F (27.7°C), mirroring a close resemblance to July. Weather in August »
Weather in September
September, the first month of the autumn in Union Hills, is also a moderately hot month, with an average temperature fluctuating between 75.2°F (24°C) and 56.7°F (13.7°C). The start of September signals a gentle decrease in the average high-temperature, transitioning from a warm 81.9°F (27.7°C) in August to a still moderately hot 75.2°F (24°C). Weather in September »
Weather in October
October, like September, in Union Hills, Maryland, is another enjoyable autumn month, with an average temperature fluctuating between 63.3°F (17.4°C) and 46.9°F (8.3°C). The shift from September to October corresponds with a decrease in the average high-temperature, down to an enjoyable 63.3°F (17.4°C) from a moderately hot 75.2°F (24°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a fresh month in Union Hills, Maryland, with an average temperature fluctuating between 36°F (2.2°C) and 51.3°F (10.7°C). The onset of November results in a decrease in the average high-temperature, receding from a comfortable 63.3°F (17.4°C) in October to a fresh 51.3°F (10.7°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Union Hills, Maryland, with an average temperature fluctuating between 42.6°F (5.9°C) and 30.4°F (-0.9°C). The transition to December results in a modest reduction in average high-temperature, moving from a cool 51.3°F (10.7°C) in November to a wintry 42.6°F (5.9°C). Weather in December »
Updated: Jun 4, 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 time of the year is the coldest?
January, on average, is the coldest month, registering a high temperature of 36.7°F (2.6°C) and a low of 23.5°F (-4.7°C).
How many days does it rain?
Throughout the year, there are 157.5 rainfall days, and 27.52" (699mm) of precipitation is accumulated.
When does it snow?
January through May, October through December are months with snowfall.
How much does it snow?
In Union Hills, during the entire year, snow falls for 22.3 days and aggregates up to 9.76" (248mm) of snow.
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 driest month?
The month with the least rainfall is February, when the rain falls for 8.5 days and typically collects 1.61" (41mm) of precipitation.
What is the month with the least sunshine in Union Hills?
February has the least sunshine of the year in Union Hills, with an average of 4.7h of sunshine.
What is the snowiest month?
March is the month with the most snowfall. Snow falls for 4.3 days and accumulates 3.03" (77mm) 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 is the least humid month?
The least humid month is April, with an average relative humidity of 75%.
What is the most humid month?
The most humid month is May, with an average relative humidity of 80%.
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?
June through September are months without snowfall.
When are the longest days?
The month with the longest days is June, with an average of 14h and 54min of daylight.
What is the hottest time of year?
July is the warmest month, with an average high-temperature of 84°F (28.9°C) and an average low-temperature of 64.6°F (18.1°C).
What month has the most sunshine?
With an average of 10.6h of sunshine, July has the most sunshine of the year in Union Hills.
What is the wettest month?
August is the month with the most rainfall. Rain falls for 17 days and accumulates 3.23" (82mm) of precipitation.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 24min of daylight.
Average temperature
Union Hills, MD
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (36.7°F).
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).
Average pressure
Union Hills, 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:
29.95"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
30"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
Union Hills, MD
- Average wind speed in January:
8.3mph - Average wind speed in February:
8.3mph - Average wind speed in March:
8.4mph - Average wind speed in April:
8.2mph - Average wind speed in May:
6.5mph - Average wind speed in June:
6mph
- Average wind speed in July:
5mph - Average wind speed in August:
5mph - Average wind speed in September:
5.7mph - Average wind speed in October:
6.8mph - Average wind speed in November:
7.2mph - Average wind speed in December:
7.7mph
The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity
Union Hills, MD
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is April (75%).
Average rainfall
Union Hills, MD
- Average rainfall in January:
1.73" - Average rainfall in February:
1.61" - Average rainfall in March:
1.89" - Average rainfall in April:
2.32" - Average rainfall in May:
2.95" - Average rainfall in June:
2.36"
The wettest month (with the highest rainfall) is August (3.23").
The driest month (with the least rainfall) is February (1.61").
Average rainfall days
Union Hills, MD
- Average rainfall days in January:
7.6 days - Average rainfall days in February:
8.5 days - Average rainfall days in March:
12.6 days - Average rainfall days in April:
15.7 days - Average rainfall days in May:
18 days - Average rainfall days in June:
16.2 days
- Average rainfall days in July:
17.1 days - Average rainfall days in August:
17 days - Average rainfall days in September:
14.5 days - Average rainfall days in October:
11.4 days - Average rainfall days in November:
9.1 days - Average rainfall days in December:
9.8 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (7.6 days).
Average snowfall
Union Hills, MD
- Average snowfall in January:
2.68" - Average snowfall in February:
1.81" - Average snowfall in March:
3.03" - Average snowfall in April:
0.16" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is March (3.03").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Union Hills, MD
- Average snowfall days in January:
6.7 days - Average snowfall days in February:
5.9 days - Average snowfall days in March:
4.3 days - Average snowfall days in April:
0.4 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:
0.1 days - Average snowfall days in November:
0.9 days - Average snowfall days in December:
3.9 days
The month with the highest number of snowfall days is January (6.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Union Hills, MD
- Average daylight in January:
9h and 4min - 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 2min
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 24min).
- Average sunshine in January:
4h and 5min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 3min - Average sunshine in April:
8h and 3min - Average sunshine in May:
8h and 3min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 5min - Average sunshine in October:
5h and 3min - Average sunshine in November:
5h and 4min - Average sunshine in December:
5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days
Union Hills, MD
- Average sunshine days in January:
17.8 days - Average sunshine days in February:
14.8 days - Average sunshine days in March:
14.3 days - Average sunshine days in April:
12.8 days - Average sunshine days in May:
10.8 days - Average sunshine days in June:
11.6 days
- Average sunshine days in July:
11.8 days - Average sunshine days in August:
11.4 days - Average sunshine days in September:
13.9 days - Average sunshine days in October:
16.7 days - Average sunshine days in November:
19.2 days - Average sunshine days in December:
18.1 days
The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is May (10.8 days).
Average UV index
Union Hills, 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
Union Hills, MD
The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility
Union Hills, MD
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Union Hills, Maryland, USA
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location