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

Monthly weather forecast and climate
Frederick, MD

A stone bridge over the calm Carroll Creek in the Carroll Creek Linear Park in Frederick, Maryland, at dusk with bright neon lights and blue sky
A stone bridge over the calm Carroll Creek in the Carroll Creek Linear Park in Frederick, Maryland, at dusk with bright neon lights and blue sky
January, like December, in Frederick, Maryland, is another cold winter month, with temperature in the range of an average low of 25°F (-3.9°C) and an average high of 41°F (5°C). The coldest month is January, with an average high-temperature of 41°F (5°C) and an average low-temperature of 25°F (-3.9°C). Weather in January »
The last month of the winter, February, is a frosty month in Frederick, Maryland, with temperature in the range of an average low of 27°F (-2.8°C) and an average high of 46°F (7.8°C). In February, the average high-temperature is practically the same as in January - a chilly 46°F (7.8°C). Weather in February »

March, the first month of the spring, in Frederick, is a moderate month, with average temperature ranging between max 55.9°F (13.3°C) and min 35.1°F (1.7°C). In March, the average high-temperature rises, from a chilly 46°F (7.8°C) in February, to a mild 55.9°F (13.3°C). Weather in March »

April in Frederick, Maryland, is a comfortable spring month, with temperature in the range of an average low of 44.1°F (6.7°C) and an average high of 66.9°F (19.4°C). In April, the average high-temperature increases, from a mild 55.9°F (13.3°C) in March, to an enjoyable 66.9°F (19.4°C). Weather in April »

The last month of the spring, May, is a warm month in Frederick, Maryland, with average temperature fluctuating between 54°F (12.2°C) and 77°F (25°C). In May, the average high-temperature rises, from a comfortable 66.9°F (19.4°C) in April, to a warm 77°F (25°C). Weather in May »

June, the first month of the summer, in Frederick, is still a warm month, with average temperature fluctuating between 84.9°F (29.4°C) and 62.1°F (16.7°C). In June, the average high-temperature slightly increases, from a moderately hot 77°F (25°C) in May, to a still warm 84.9°F (29.4°C). Weather in June »

July in Frederick, Maryland, is a tropical summer month, with temperature in the range of an average low of 66.9°F (19.4°C) and an average high of 89.1°F (31.7°C). The warmest month is July, with an average high-temperature of 89.1°F (31.7°C) and an average low-temperature of 66.9°F (19.4°C). Weather in July »

The last month of the summer, August, is another hot month in Frederick, Maryland, with average temperature varying between 66°F (18.9°C) and 87.1°F (30.6°C). In Frederick, the average high-temperature is almost the same as in July - a still tropical 87.1°F (30.6°C). Weather in August »

The first month of the autumn, September, is still a warm month in Frederick, Maryland, with average temperature fluctuating between 59°F (15°C) and 80.1°F (26.7°C). In September, the average high-temperature slightly decreases, from a tropical 87.1°F (30.6°C) in August, to a warm 80.1°F (26.7°C). Weather in September »

October, like September, is an agreeable autumn month in Frederick, Maryland, with average temperature varying between 68°F (20°C) and 46.9°F (8.3°C). In Frederick, the average high-temperature in October decreases, from a warm 80.1°F (26.7°C) in September, to an agreeable 68°F (20°C). Weather in October »

The last month of the autumn, November, is another mild month in Frederick, Maryland, with average temperature fluctuating between 57°F (13.9°C) and 37.9°F (3.3°C). In November, the average high-temperature drops, from an agreeable 68°F (20°C) in October, to a mild 57°F (13.9°C). Weather in November »

December, the first month of the winter, in Frederick, is also a frosty month, with average temperature ranging between max 46°F (7.8°C) and min 30°F (-1.1°C). In December, the average high-temperature decreases, from a mild 57°F (13.9°C) in November, to a chilly 46°F (7.8°C). Weather in December »

What is the coldest month in Frederick?

January is the coldest month in Frederick, Maryland, with an average high-temperature of 41°F (5°C) and an average low-temperature of 25°F (-3.9°C).

How many days does it rain in Frederick?

In Frederick, during the entire year, the rain falls for 122 days and collects up to 40.9" (1038.9mm) of precipitation.

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

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

What is the driest month in Frederick?

February is the month with the least rainfall. Rain falls for 10 days and accumulates 2.7" (68.6mm) of precipitation.

What is the wettest month in Frederick?

May is the month with the most rainfall. Rain falls for 12 days and accumulates 4.2" (106.7mm) of precipitation.

When are the longest days in Frederick?

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

What are the months with the most sunshine in Frederick?

Months with the most sunshine are June and July, with an average of 9h of sunshine.

When is the highest UV index in Frederick?

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

What is the warmest month in Frederick?

The warmest month in Frederick, Maryland, is July, with an average high-temperature of 89.1°F (31.7°C) and an average low-temperature of 66.9°F (19.4°C).

What is the month with the shortest days in Frederick?

The month with the shortest days in Frederick is December, with an average of 9.4h of daylight.

What is the month with the least sunshine in Frederick?

The month with the least sunshine is December, with an average of 4h of sunshine.
Average rainfall - Frederick, MD
Average rainfall days - Frederick, MD

The month with the highest number of rainy days is May (12 days).
Months with the lowest number of rainy days are September and October (8 days).

Average daylight / Average sunshine - Frederick, MD