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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 another cold winter month in Monumental, Maryland, with an average temperature fluctuating between 27.1°F (-2.7°C) and 38.5°F (3.6°C). Monumental's coldest month, January, generally records average temperatures ranging from a high of 38.5°F (3.6°C) to a low of 27.1°F (-2.7°C). Weather in January »
Weather in February
The last month of the winter, February, is also a wintry month in Monumental, Maryland, with an average temperature fluctuating between 42.4°F (5.8°C) and 29.7°F (-1.3°C). Monumental's average high-temperature marks a still icy 42.4°F (5.8°C) with the advent of February, closely mirroring that of the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a cool month in Monumental, Maryland, with an average temperature varying between 36.3°F (2.4°C) and 50.5°F (10.3°C). March's arrival coincides with a marginal rise in the average high-temperature, moving from February's cold 42.4°F (5.8°C) to a cool 50.5°F (10.3°C). Weather in March »
Weather in April
April in Monumental, Maryland, is a comfortable spring month, with an average temperature ranging between min 46°F (7.8°C) and max 63°F (17.2°C). April's onset brings a temperature rise, 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 Monumental, is an agreeable month, with an average temperature varying between 72.1°F (22.3°C) and 55.9°F (13.3°C). As April gives way to May, the average high-temperature displays an increase, moving from a comfortable 63°F (17.2°C) to an agreeable 72.1°F (22.3°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Monumental, Maryland, with an average temperature varying between 80.1°F (26.7°C) and 64.2°F (17.9°C). Observing a minor shift, the average high-temperature during June adjusts from May's pleasant 72.1°F (22.3°C) to a warm 80.1°F (26.7°C). Weather in June »
Weather in July
July, like June, in Monumental, Maryland, is another warm summer month, with temperature in the range of an average high of 85.3°F (29.6°C) and an average low of 69.6°F (20.9°C). With average temperatures fluctuating between a high of 85.3°F (29.6°C) and a low of 69.6°F (20.9°C), July stands out as the warmest month. The heat index in July is estimated at a torrid 95°F (35°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Monumental, Maryland, with an average temperature fluctuating between 67.8°F (19.9°C) and 83.5°F (28.6°C). With the onset of August, the average high-temperature registers at a still warm 83.5°F (28.6°C), subtly different from July's 85.3°F (29.6°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Monumental, Maryland, with temperature in the range of an average high of 77°F (25°C) and an average low of 61.3°F (16.3°C). With the onset of September, Monumental's average high-temperature slightly adjusts, moderately receding from August's warm 83.5°F (28.6°C) to a still moderately hot 77°F (25°C). Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in Monumental, Maryland, with an average temperature ranging between max 65.3°F (18.5°C) and min 51.4°F (10.8°C). October ushers in a slight temperature change, with average high-temperatures reducing from September's warm 77°F (25°C) to an enjoyable 65.3°F (18.5°C). Weather in October »
Weather in November
November, the last month of the autumn in Monumental, is another cool month, with an average temperature ranging between min 40.3°F (4.6°C) and max 53.2°F (11.8°C). The onset of November results in a decrease in the average high-temperature, receding from an enjoyable 65.3°F (18.5°C) in October to a cool 53.2°F (11.8°C). Weather in November »
Weather in December
The first month of the winter, December, is also a frosty month in Monumental, Maryland, with an average temperature ranging between min 33.4°F (0.8°C) and max 44.8°F (7.1°C). Monumental's weather subtly changes with the onset of December, barely falling from a cool 53.2°F (11.8°C) in November to a frosty 44.8°F (7.1°C). Weather in December »
Updated: Jul 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 time of the year is the coldest?
In Monumental, the average lowest temperatures are observed in January, with a high of 38.5°F (3.6°C) and a low of 27.1°F (-2.7°C).
What is the driest month?
January is the month with the least rainfall. Rain falls for 8.7 days and accumulates 1.85" (47mm) of precipitation.
How many days does it rain?
Throughout the year, there are 158.5 rainfall days, and 30.75" (781mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through March, November and December.
When does it snow the most?
The month with the most snowfall is January, when snow falls for 4.2 days and typically aggregates up to 2.09" (53mm) of snow.
How much does it snow?
In Monumental, during the entire year, snow falls for 12.8 days and aggregates up to 6.06" (154mm) of snow.
When is the lowest UV index in Monumental?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
What is the month with the least sunshine?
With an average of 5h 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.
What is the least humid month?
April, July and November, with an average relative humidity of 72%, are the least humid months.
When it does not snow?
In Monumental, 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 77%.
What are the months with the highest UV index?
The months with the highest UV index are May through August, with an average maximum UV index of 6.
When are the longest days?
The month with the longest days is June, with an average of 14h and 54min of daylight.
What time of the year is the hottest?
With its average high temperature of 85.3°F (29.6°C) and a low of 69.6°F (20.9°C), July is regarded as the warmest month.
What month has the most sunshine?
The month with the most sunshine is July, with an average of 10.9h of sunshine.
What is the rainiest month?
The month with the most rainfall is August, when the rain falls for 16.8 days and typically aggregates up to 4.13" (105mm) 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
Monumental, MD
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (38.5°F).
The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).
Average pressure
Monumental, 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:
29.94"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
Monumental, MD
- Average wind speed in January:
9mph - Average wind speed in February:
9mph - Average wind speed in March:
9.1mph - 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:
7.8mph - Average wind speed in November:
8.1mph - Average wind speed in December:
8.4mph
The windiest month (with the highest average wind speed) is March (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity
Monumental, MD
The month with the highest relative humidity is May (77%).
The months with the lowest relative humidity are April, July and November (72%).
Average rainfall
Monumental, MD
- Average rainfall in January:
1.85" - Average rainfall in February:
1.97" - Average rainfall in March:
2.24" - Average rainfall in April:
2.32" - Average rainfall in May:
3.07" - Average rainfall in June:
2.76"
The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is January (1.85").
Average rainfall days
Monumental, MD
- Average rainfall days in January:
8.7 days - Average rainfall days in February:
9.6 days - Average rainfall days in March:
13.2 days - Average rainfall days in April:
14.6 days - Average rainfall days in May:
18.1 days - Average rainfall days in June:
15.8 days
- Average rainfall days in July:
17.6 days - Average rainfall days in August:
16.8 days - Average rainfall days in September:
13.2 days - Average rainfall days in October:
12.4 days - Average rainfall days in November:
8.4 days - Average rainfall days in December:
10.1 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is November (8.4 days).
Average snowfall
Monumental, MD
The month with the highest snowfall is January (2.09").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Monumental, MD
- Average snowfall days in January:
4.2 days - Average snowfall days in February:
3.7 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:
0.3 days - Average snowfall days in December:
2.2 days
The month with the highest number of snowfall days is January (4.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Monumental, 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 2min - Average sunshine in February:
5h and 0min - Average sunshine in March:
6h and 5min - Average sunshine in April:
8h and 5min - Average sunshine in May:
9h and 0min - Average sunshine in June:
10h and 2min
- 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 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days
Monumental, MD
- Average sunshine days in January:
18.3 days - Average sunshine days in February:
15.5 days - Average sunshine days in March:
15.1 days - Average sunshine days in April:
13.8 days - Average sunshine days in May:
10.3 days - Average sunshine days in June:
11.7 days
- Average sunshine days in July:
10.8 days - Average sunshine days in August:
12.1 days - Average sunshine days in September:
14.6 days - Average sunshine days in October:
16.5 days - Average sunshine days in November:
19.9 days - Average sunshine days in December:
18.2 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is May (10.3 days).
Average UV index
Monumental, 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
Monumental, MD
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility
Monumental, 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).
Monumental, Maryland, USA
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