Climate and monthly weather forecast
McHenry, MD

Weather in January

January, the same as December, is a wintry winter month in McHenry, Maryland, with temperature in the range of an average low of 19.6°F (-6.9°C) and an average high of 32°F (0°C). With an average high-temperature of 32°F (0°C) and an average low-temperature of 19.6°F (-6.9°C), January is the coldest month. Weather in January »

Weather in February

February, the last month of the winter, in McHenry, is also a wintry month, with average temperature varying between 22.5°F (-5.3°C) and 37°F (2.8°C). In February, the average high-temperature is almost the same as in January - a still cold 37°F (2.8°C). Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in McHenry, Maryland, with average temperature varying between 45.3°F (7.4°C) and 30°F (-1.1°C). In March, the average high-temperature slightly increases, from a wintry 37°F (2.8°C) in February, to a frosty 45.3°F (7.4°C). Weather in March »

Weather in April

April in McHenry, Maryland, is a moderate spring month, with temperature in the range of an average low of 39.4°F (4.1°C) and an average high of 57.9°F (14.4°C). In McHenry, the average high-temperature rises, from a frosty 45.3°F (7.4°C) in March, to a moderate 57.9°F (14.4°C). Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in McHenry, Maryland, with average temperature varying between 48.9°F (9.4°C) and 68.5°F (20.3°C). In May, the average high-temperature rises, from a moderate 57.9°F (14.4°C) in April, to an agreeable 68.5°F (20.3°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in McHenry, Maryland, with average temperature varying between 55.4°F (13°C) and 75.6°F (24.2°C). In McHenry, the average high-temperature marginally rises, from an agreeable 68.5°F (20.3°C) in May, to a moderately hot 75.6°F (24.2°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in McHenry, Maryland, with temperature in the range of an average low of 58.8°F (14.9°C) and an average high of 79.9°F (26.6°C). July is the warmest month, with an average high-temperature of 79.9°F (26.6°C) and an average low-temperature of 58.8°F (14.9°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in McHenry, Maryland, with average temperature ranging between max 78.3°F (25.7°C) and min 56.7°F (13.7°C). In McHenry, the average high-temperature is relatively the same as in July - a still moderately hot 78.3°F (25.7°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in McHenry, Maryland, with average temperature varying between 72.1°F (22.3°C) and 52.3°F (11.3°C). In September, the average high-temperature slightly decreases, from a warm 78.3°F (25.7°C) in August, to a pleasant 72.1°F (22.3°C). Weather in September »

Weather in October

October, like September, is another mild autumn month in McHenry, Maryland, with average temperature varying between 42.8°F (6°C) and 59.2°F (15.1°C). In McHenry, the average high-temperature drops, from a pleasant 72.1°F (22.3°C) in September, to a mild 59.2°F (15.1°C). Weather in October »

Weather in November

November, the last month of the autumn, in McHenry, is another chilly month, with average temperature ranging between min 31.5°F (-0.3°C) and max 46.8°F (8.2°C). In McHenry, the average high-temperature decreases, from a moderate 59.2°F (15.1°C) in October, to a chilly 46.8°F (8.2°C). Weather in November »

Weather in December

December, the first month of the winter, in McHenry, is also a wintry month, with average temperature fluctuating between 38.3°F (3.5°C) and 26.4°F (-3.1°C). In McHenry, the average high-temperature in December marginally drops, from a chilly 46.8°F (8.2°C) in November, to a cold 38.3°F (3.5°C). Weather in December »
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FAQ

What is the coldest month in McHenry?

With an average high-temperature of 32°F (0°C) and an average low-temperature of 19.6°F (-6.9°C), January is the coldest month in McHenry.

How much does it rain in McHenry?

Throughout the year, there are 166.5 rainfall days, and 30.79" (782mm) of precipitation is accumulated.

When does it snow in McHenry?

January through May, October through December are months with snowfall.

How much does it snow in McHenry?

Throughout the year, in McHenry, there are 48.4 snowfall days, and 26.69" (678mm) of snow is accumulated.

What is the month with the least sunshine in McHenry?

The month with the least sunshine is January, with an average of 3.1h of sunshine.

What is the most humid month in McHenry?

The most humid month in McHenry, Maryland, is February, with an average relative humidity of 87%.

When does it snow the most in McHenry?

The month with the most snowfall in McHenry is February when snow falls for 9.8 days and typically aggregates up to 5.28" (134mm) of snow.

What is the least humid month in McHenry?

April, June through August, with an average relative humidity of 79%, are the least humid months in McHenry.

What is the rainiest month in McHenry?

The month with the most rainfall is May when the rain falls for 20.9 days and typically aggregates up to 3.43" (87mm) of precipitation.

What are the months with the highest UV index in McHenry?

May through August, with an average maximum UV index of 5, are months with the highest UV index in McHenry, Maryland.

When it does not snow in McHenry?

In McHenry snow does not fall in June through September.

When are the longest days in McHenry?

With an average of 14.9h of daylight, June has the longest days of the year.

What is the warmest month in McHenry?

The warmest month in McHenry, Maryland, is July, with an average high-temperature of 79.9°F (26.6°C) and an average low-temperature of 58.8°F (14.9°C).

What month has the most sunshine in McHenry?

With an average of 9.7h of sunshine, August has the most sunshine of the year.

What is the driest month in McHenry?

The month with the least rainfall in McHenry, Maryland, is November when the rain falls for 8.8 days and typically collects 1.85" (47mm) of precipitation.

What is the month with the shortest days in McHenry?

With an average of 9.4h of daylight, December has the shortest days of the year in McHenry.

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

December is the month with the lowest UV index, with an average maximum UV index of 1.

Average pressure
McHenry, MD

Average pressure - McHenry, MD

The month with the highest atmospheric pressure is November (30.14").
The month with the lowest atmospheric pressure is June (29.95").

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Average wind speed
McHenry, MD

Average wind speed - McHenry, MD

The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity
McHenry, MD

Average humidity - McHenry, MD

The month with the highest relative humidity is February (87%).
Months with the lowest relative humidity are April, June, July and August (79%).

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Average rainfall
McHenry, MD

Average rainfall - McHenry, MD

The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is November (1.85").

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Average rainfall days
McHenry, MD

Average rainfall days - McHenry, MD

The month with the highest number of rainy days is May (20.9 days).
The month with the least rainy days is February (7.3 days).

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Average snowfall
McHenry, MD

Average snowfall - McHenry, MD

The month with the highest snowfall is February (5.28").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days
McHenry, MD

Average snowfall days - McHenry, MD

The month with the highest number of snowfall days is January (11.8 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
McHenry, MD

Average daylight / Average sunshine - McHenry, MD

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.4h).

The month with the most sunshine is August (Average sunshine: 9.7h).
The month with the least sunshine is January (Average sunshine: 3.1h).

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Average sunshine days
McHenry, MD

Average sunshine days - McHenry, MD

The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is May (8.3 days).

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Average visibility
McHenry, MD

Average visibility - McHenry, MD

Months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (5mi).
The month with the lowest visibility is September (4mi).

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