Climate and monthly weather forecast
Chester, MD

Weather in January

January, the same as December, is a wintry winter month in Chester, Maryland, with an average temperature fluctuating between 29.5°F (-1.4°C) and 40.1°F (4.5°C). January is the coldest month, with an average high-temperature of 40.1°F (4.5°C) and an average low-temperature of 29.5°F (-1.4°C). Weather in January »

Weather in February

The last month of the winter, February, is a chilly month in Chester, Maryland, with an average temperature fluctuating between 43.3°F (6.3°C) and 31.5°F (-0.3°C). In February, the average high-temperature is practically the same as in January - a frosty 43.3°F (6.3°C). Weather in February »

Weather in March

The first month of the spring, March, is a fresh month in Chester, Maryland, with temperature in the range of an average low of 37.8°F (3.2°C) and an average high of 50.4°F (10.2°C). In Chester, Maryland, the average high-temperature in March marginally rises from a frosty 43.3°F (6.3°C) in February to a cool 50.4°F (10.2°C). Weather in March »

Weather in April

April is a comfortable spring month in Chester, Maryland, with an average temperature fluctuating between 48°F (8.9°C) and 61.5°F (16.4°C). In Chester, the average high-temperature in April rises from a fresh 50.4°F (10.2°C) in March to a comfortable 61.5°F (16.4°C). Weather in April »

Weather in May

May, the last month of the spring in Chester, is a pleasant month, with an average temperature varying between 57.6°F (14.2°C) and 70.9°F (21.6°C). In Chester, Maryland, the average high-temperature in May rises from a comfortable 61.5°F (16.4°C) in April to an agreeable 70.9°F (21.6°C). Weather in May »

Weather in June

June, the first month of the summer in Chester, is a warm month, with temperature in the range of an average low of 66°F (18.9°C) and an average high of 79.3°F (26.3°C). In June, the average high-temperature slightly increases from a pleasant 70.9°F (21.6°C) in May to a moderately hot 79.3°F (26.3°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Chester, Maryland, with an average temperature ranging between min 71.2°F (21.8°C) and max 84.4°F (29.1°C). July is the warmest month, with an average high-temperature of 84.4°F (29.1°C) and an average low-temperature of 71.2°F (21.8°C). The average heat index in July is calculated to be a tropical 93.6°F (34.2°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Chester, Maryland, with an average temperature varying between 69.6°F (20.9°C) and 82.6°F (28.1°C). In Chester, the average high-temperature in August is practically the same as in July - a still moderately hot 82.6°F (28.1°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Chester, Maryland, with temperature in the range of an average high of 77.4°F (25.2°C) and an average low of 63.5°F (17.5°C). In Chester, the average high-temperature in September is essentially the same as in August - a still warm 77.4°F (25.2°C). Weather in September »

Weather in October

October, the same as September, is another enjoyable autumn month in Chester, Maryland, with an average temperature fluctuating between 54.3°F (12.4°C) and 66°F (18.9°C). In October, the average high-temperature drops from a moderately hot 77.4°F (25.2°C) in September to a comfortable 66°F (18.9°C). Weather in October »

Weather in November

November, the last month of the autumn in Chester, is another cool month, with temperature in the range of an average high of 54.5°F (12.5°C) and an average low of 42.8°F (6°C). In Chester, Maryland, the average high-temperature in November drops from a comfortable 66°F (18.9°C) in October to a fresh 54.5°F (12.5°C). Weather in November »

Weather in December

December, the first month of the winter in Chester, is still a chilly month, with an average temperature ranging between min 36.3°F (2.4°C) and max 46.2°F (7.9°C). In December, the average high-temperature marginally drops from a cool 54.5°F (12.5°C) in November to a frosty 46.2°F (7.9°C). Weather in December »
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FAQ

What is the coldest month in Chester?

The coldest month in Chester, Maryland, is January, with an average high-temperature of 40.1°F (4.5°C) and an average low-temperature of 29.5°F (-1.4°C).

What are the least humid months in Chester?

January and November, with an average relative humidity of 73%, are the least humid months in Chester.

How much does it rain in Chester?

In Chester, during the entire year, the rain falls for 159 days and collects up to 32.36" (822mm) of precipitation.

When does it snow in Chester?

January through April, November and December are months with snowfall in Chester, Maryland.

What is the snowiest month in Chester?

The month with the most snowfall in Chester, Maryland, is January, when snow falls for 4.2 days and typically aggregates up to 1.42" (36mm) of snow.

How much does it snow in Chester?

In Chester, during the entire year, snow falls for 11.4 days and aggregates up to 4.13" (105mm) of snow.

What are the months with the lowest UV index in Chester?

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

When is the ocean coldest in Chester?

February is the month with the coldest seawater, with an average ocean temperature of 45.1°F (7.3°C).

What is the month with the least sunshine in Chester?

February has the least sunshine of the year in Chester, Maryland, with an average of 5h of sunshine.

When is Daylight Saving Time (DST) in Chester?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Chester, Maryland, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from EDT to EST.

What is the most humid month in Chester?

The most humid month is May, with an average relative humidity of 79%.

When it does not snow in Chester?

May through October are months without snowfall.

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

May through August, with an average maximum UV index of 6, are months with the highest UV index in Chester, Maryland.

When are the longest days in Chester?

With an average of 14h and 52min of daylight, June has the longest days of the year in Chester, Maryland.

What is the warmest month in Chester?

The warmest month in Chester, Maryland, is July, with an average high-temperature of 84.4°F (29.1°C) and an average low-temperature of 71.2°F (21.8°C).

What is the wettest month in Chester?

The month with the most rainfall is July, when the rain falls for 16.8 days and typically aggregates up to 3.31" (84mm) of precipitation.

What month has the most sunshine in Chester?

The month with the most sunshine is July, with an average of 10.9h of sunshine.

When is the ocean warmest in Chester?

The month with the warmest seawater in Chester, Maryland, is August, with an average ocean temperature of 77.7°F (25.4°C).

What is the driest month in Chester?

September is the month with the least rainfall in Chester, Maryland. Rain falls for 12.5 days and accumulates 1.89" (48mm) of precipitation.

What is the month with the shortest days in Chester?

With an average of 9h and 29min of daylight, December has the shortest days of the year.

Average temperature
Chester, MD

Average temperature - Chester, MD

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (40.1°F).

The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).

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Average pressure
Chester, MD

Average pressure - Chester, MD

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed
Chester, MD

Average wind speed - Chester, MD

The windiest months (with the highest average wind speed) are February and March (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

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Average humidity
Chester, MD

Average humidity - Chester, MD

The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January and November (73%).

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Average rainfall
Chester, MD

Average rainfall - Chester, MD

The wettest month (with the highest rainfall) is July (3.31").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days
Chester, MD

Average rainfall days - Chester, MD

The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is November (8.8 days).

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Average snowfall
Chester, MD

Average snowfall - Chester, MD

The month with the highest snowfall is January (1.42").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days
Chester, MD

Average snowfall days - Chester, 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 sea temperature
Chester, MD

Average sea temperature - Chester, MD

The best month for swimming (with the highest average sea temperature) is August (77.8°F).
The coldest month (with the lowest average sea temperature) is February (45.1°F).

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Average daylight / Average sunshine
Chester, MD

Average daylight / Average sunshine - Chester, MD

The month with the longest days is June (Average daylight: 14h and 52min).
The month with the shortest days is December (Average daylight: 9h and 29min).

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
Chester, MD

Average sunshine days - Chester, MD

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is May (11.1 days).

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Average UV index
Chester, MD

Average UV index - Chester, 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 and December (UV index 2).

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Average visibility
Chester, MD

Average visibility - Chester, 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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