Climate and monthly weather forecast
Monumental, MD

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Weather in January

January, the same as December, is a wintry winter month in Monumental, Maryland, with an average temperature fluctuating between 27.1°F (-2.7°C) and 38.5°F (3.6°C). January, noted for its average high-temperature of 38.5°F (3.6°C) and an average low-temperature of 27.1°F (-2.7°C), is considered the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is another cold month in Monumental, Maryland, with an average temperature varying between 29.7°F (-1.3°C) and 42.4°F (5.8°C). Monumental signifies an average high-temperature of a still wintry 42.4°F (5.8°C) in February, closely mirroring the 38.5°F (3.6°C) of January. Weather in February »

Weather in March

The first month of the spring, March, is a fresh month in Monumental, Maryland, with temperature in the range of an average high of 50.5°F (10.3°C) and an average low of 36.3°F (2.4°C). March's onset is marked by a subtle temperature increase, moving from a wintry 42.4°F (5.8°C) in February to a fresh 50.5°F (10.3°C). Weather in March »

Weather in April

April in Monumental, Maryland, is an enjoyable spring month, with an average temperature varying between 63°F (17.2°C) and 46°F (7.8°C). Monumental's April weather brings a rise in high-temperatures, moving from a cool 50.5°F (10.3°C) in March to a refreshing 63°F (17.2°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Monumental, Maryland, with an average temperature fluctuating between 55.9°F (13.3°C) and 72.1°F (22.3°C). An upsurge in temperatures occurs as April gives way to May, with average highs shifting from a comfortable 63°F (17.2°C) to a pleasant 72.1°F (22.3°C). Weather in May »

Weather in June

June, the first month of the summer in Monumental, is a warm month, with an average temperature ranging between max 80.1°F (26.7°C) and min 64.2°F (17.9°C). In Monumental, the average high-temperature in June slightly increases from a pleasant 72.1°F (22.3°C) in May 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 an average temperature ranging between max 85.3°F (29.6°C) and min 69.6°F (20.9°C). In Monumental, July is identified by the highest average temperatures, reaching a peak of 85.3°F (29.6°C) and a low of 69.6°F (20.9°C). For most parts of July, the heat index is calculated to be a torrid 95°F (35°C). Weather in July »

Weather in August

August, the last month of the summer in Monumental, is also a moderately hot month, with temperature in the range of an average low of 67.8°F (19.9°C) and an average high of 83.5°F (28.6°C). With the advent of August, Monumental's high-temperatures adjust to a still moderately hot 83.5°F (28.6°C), closely aligning with the preceding month. Weather in August »

Weather in September

September, the first month of the autumn in Monumental, is still a warm month, 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). A minor decrease in the average high-temperature is observed during September, shifting from 83.5°F (28.6°C) in August to a still moderately hot 77°F (25°C). Weather in September »

Weather in October

October, like September, in Monumental, Maryland, is another refreshing autumn month, with an average temperature varying between 65.3°F (18.5°C) and 51.4°F (10.8°C). A change in temperatures is noted as September gives way to October, with average highs reducing from a 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 also a fresh month, with an average temperature varying between 40.3°F (4.6°C) and 53.2°F (11.8°C). November's arrival correlates with a reduction in the average high-temperature, down from a comfortable 65.3°F (18.5°C) in October to a cool 53.2°F (11.8°C). Weather in November »

Weather in December

December, the first month of the winter in Monumental, is also a frosty month, with temperature in the range of an average low of 33.4°F (0.8°C) and an average high of 44.8°F (7.1°C). The move into December indicates a slight reduction in the average high-temperature, down from November's fresh 53.2°F (11.8°C) to a frosty 44.8°F (7.1°C). Weather in December »
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Frequently asked questions

What month is the coldest in Monumental?

The coldest period in Monumental, Maryland, is January, when temperatures fluctuate between an average high of 38.5°F (3.6°C) and a low of 27.1°F (-2.7°C).

What is the driest month in Monumental?

The month with the least rainfall in Monumental, Maryland, is January, when the rain falls for 8.7 days and typically collects 1.85" (47mm) of precipitation.

How much does it rain in Monumental?

Throughout the year, in Monumental, there are 158.5 rainfall days, and 30.75" (781mm) of precipitation is accumulated.

When does it snow in Monumental?

January through March, November and December are months with snowfall in Monumental, Maryland.

What is the snowiest month in Monumental?

January is the month with the most snowfall in Monumental. Snow falls for 4.2 days and accumulates 2.09" (53mm) of snow.

How much does it snow in Monumental?

Throughout the year, in Monumental, Maryland, there are 12.8 snowfall days, and 6.06" (154mm) of snow is accumulated.

What is the month with the lowest UV index in Monumental?

The months with the lowest UV index in Monumental are January, February, November and December, with an average maximum UV index of 2.

What is the month with the least sunshine in Monumental?

The month with the least sunshine is February, with an average of 5h of sunshine.

When is Daylight Saving Time (DST) in Monumental?

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 in Monumental?

April, July and November, with an average relative humidity of 72%, are the least humid months.

When it does not snow in Monumental?

April through October are months without snowfall in Monumental.

What is the most humid month in Monumental?

May is the most humid month, with an average relative humidity of 77%.

What is the month with the highest UV index in Monumental?

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 Monumental?

The month with the longest days in Monumental is June, with an average of 14h and 54min of daylight.

What time of the year is the hottest in Monumental?

With average high temperatures of 85.3°F (29.6°C) and lows of 69.6°F (20.9°C), July is the warmest month in Monumental, Maryland.

What month has the most sunshine in Monumental?

July has the most sunshine of the year, with an average of 10.9h of sunshine.

What is the wettest month in Monumental?

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 in Monumental?

The month with the shortest days in Monumental, Maryland, is December, with an average of 9h and 30min of daylight.

Average temperature
Monumental, MD

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).

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Average pressure
Monumental, MD

Average pressure - Monumental, MD

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed
Monumental, MD

Average wind speed - Monumental, MD

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).

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Average humidity
Monumental, MD

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%).

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Average rainfall
Monumental, MD

Average rainfall - Monumental, MD

The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is January (1.85").

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Average rainfall days
Monumental, MD

Average rainfall days - Monumental, MD

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).

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Average snowfall
Monumental, MD

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").

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Average snowfall days
Monumental, MD

Average snowfall days - Monumental, MD

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).

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Average daylight / Average sunshine
Monumental, MD

Average daylight / Average sunshine - Monumental, MD

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).

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).

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Average sunshine days
Monumental, MD

Average sunshine days - Monumental, MD

The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is May (10.3 days).

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Average UV index
Monumental, MD

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).

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Average visibility
Monumental, MD

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).

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Monumental, Maryland, USA

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