McHenry
Maryland, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
McHenry, MD

January, like December, in McHenry, Maryland, is a wintry winter month, with average temperature varying between 15.8°F (-9°C) and 35.6°F (2°C). The coldest month is January, with an average high-temperature of 35.6°F (2°C) and an average low-temperature of 15.8°F (-9°C). Weather in January »
February, the last month of the winter, in McHenry, is also a wintry month, with average temperature varying between 37.4°F (3°C) and 17.6°F (-8°C). In McHenry, the average high-temperature is almost the same as in January - a still wintry 37.4°F (3°C). Weather in February »

March, the first month of the spring, in McHenry, is a frosty month, with average temperature fluctuating between 26.6°F (-3°C) and 48.2°F (9°C). In March, the average high-temperature rises, from a wintry 37.4°F (3°C) in February, to a frosty 48.2°F (9°C). Weather in March »

April is a mild spring month in McHenry, Maryland, with temperature in the range of an average high of 59°F (15°C) and an average low of 35.6°F (2°C). In April, the average high-temperature increases, from a frosty 48.2°F (9°C) in March, to a mild 59°F (15°C). Weather in April »

May, the last month of the spring, in McHenry, is a pleasant month, with average temperature varying between 44.6°F (7°C) and 69.8°F (21°C). In McHenry, the average high-temperature increases, from a moderate 59°F (15°C) in April, to a pleasant 69.8°F (21°C). Weather in May »

June, the first month of the summer, in McHenry, is a warm month, with temperature in the range of an average low of 51.8°F (11°C) and an average high of 77°F (25°C). In McHenry, Maryland, the average high-temperature marginally rises, from a pleasant 69.8°F (21°C) in May, to a warm 77°F (25°C). Weather in June »

July, the same as June, is another warm summer month in McHenry, Maryland, with average temperature varying between 78.8°F (26°C) and 57.2°F (14°C). The warmest months are July and August, with an average high-temperature of 78.8°F (26°C). Weather in July »

The last month of the summer, August, is another warm month in McHenry, Maryland, with temperature in the range of an average low of 55.4°F (13°C) and an average high of 78.8°F (26°C). July and August, with an average high-temperature of 78.8°F (26°C), are the warmest months. Weather in August »

September, the first month of the autumn, in McHenry, is still a pleasant month, with average temperature fluctuating between 71.6°F (22°C) and 50°F (10°C). In McHenry, Maryland, the average high-temperature marginally drops, from a moderately hot 78.8°F (26°C) in August, to an agreeable 71.6°F (22°C). Weather in September »

October, like September, in McHenry, Maryland, is another comfortable autumn month, with average temperature fluctuating between 37.4°F (3°C) and 60.8°F (16°C). In October, the average high-temperature decreases, from a pleasant 71.6°F (22°C) in September, to a comfortable 60.8°F (16°C). Weather in October »

The last month of the autumn, November, is another cool month in McHenry, Maryland, with average temperature fluctuating between 30.2°F (-1°C) and 50°F (10°C). In November, the average high-temperature decreases, from a comfortable 60.8°F (16°C) in October, to a cool 50°F (10°C). Weather in November »

The first month of the winter, December, is still a cold month in McHenry, Maryland, with average temperature ranging between max 39.2°F (4°C) and min 21.2°F (-6°C). In December, the average high-temperature drops, from a fresh 50°F (10°C) in November, to a cold 39.2°F (4°C). Weather in December »

What is the coldest month in McHenry?

January is the coldest month in McHenry, with an average high-temperature of 35.6°F (2°C) and an average low-temperature of 15.8°F (-9°C).

How many days does it rain in McHenry?

Throughout the year, in McHenry, there are 168 rainfall days, and 47.1" (1197mm) of precipitation is accumulated.

What is the month with the least sunshine in McHenry?

January, November and December, with an average of 3h of sunshine, are months with the least sunshine in McHenry.

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

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

What is the driest month in McHenry?

February and October are months with the least rain in McHenry, Maryland, when the rain falls for 15 days and typically aggregates up to 3.1" (79mm) of rain.

When are the longest days in McHenry?

The month with the longest days is June, with an average of 14.9h of daylight.

What month has the most sunshine in McHenry?

With an average of 8h of sunshine, June has the most sunshine of the year in McHenry, Maryland.

When is the highest UV index in McHenry?

Months with the highest UV index in McHenry are June and July, with an average maximum UV index of 9.

What is the warmest month in McHenry?

July and August, with an average high-temperature of 78.8°F (26°C), are warmest months in McHenry.

What is the wettest month in McHenry?

The month with the most rainfall is July when the rain falls for 13 days and typically aggregates up to 5" (127mm) 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.
Average rainfall - McHenry, MD
Average rainfall days - McHenry, MD

Months with the highest number of rainy days are January and December (17 days).
Months with the lowest number of rainy days are September and October (11 days).

Average daylight / Average sunshine - McHenry, MD