Climate and monthly weather forecast
Chester, MD

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Weather in January

January, like December, in Chester, Maryland, is a wintry winter month, with temperature in the range of an average high of 40.1°F and an average low of 29.5°F. Temperature readings reach their annual highs in January, averaging 40.1°F and a minimum average of 29.5°F. Weather in January »

Weather in February

The last month of the winter, February, is a chilly month in Chester, Maryland, with an average temperature varying between 43.3°F and 31.5°F. February's presence records an average high-temperature of a frosty 43.3°F, closely mirroring January's climate. Weather in February »

Weather in March

March, the first month of the spring in Chester, is a cool month, with an average temperature ranging between max 50.4°F and min 37.8°F. Observing a minor shift, the average high-temperature during March adjusts from February's frosty 43.3°F to a fresh 50.4°F. Weather in March »

Weather in April

April is a comfortable spring month in Chester, Maryland, with an average temperature varying between 61.5°F and 48°F. In Chester, the average high-temperature in April increases from a cool 50.4°F in March to a comfortable 61.5°F. Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Chester, Maryland, with an average temperature fluctuating between 70.9°F and 57.6°F. As April gives way to May, the average high-temperature displays an increase, moving from an enjoyable 61.5°F to an agreeable 70.9°F. Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Chester, Maryland, with temperature in the range of an average high of 79.3°F and an average low of 66°F. The commencement of June sees a minor shift in the average high-temperature, moving from a pleasant 70.9°F in May to a moderately hot 79.3°F. Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Chester, Maryland, with an average temperature fluctuating between 84.4°F and 71.2°F. July tends to be the warmest month, with temperatures averaging a daily high of 84.4°F and a low of 71.2°F. The heat index value during July is estimated at a tropical 93.2°F. Weather in July »

Weather in August

August, the last month of the summer in Chester, is also a moderately hot month, with an average temperature varying between 69.6°F and 82.6°F. The average high-temperature during August registers at a still moderately hot 82.6°F, maintaining a close resemblance to the previous month. Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Chester, Maryland, with an average temperature ranging between min 63.5°F and max 77.4°F. September's onset records a minor alteration in the average high-temperature to a still moderately hot 77.4°F from August's 82.6°F. Weather in September »

Weather in October

October, like September, in Chester, Maryland, is another comfortable autumn month, with an average temperature ranging between max 66°F and min 54.3°F. October ushers in a slight temperature change, with average high-temperatures reducing from September's moderately hot 77.4°F to a comfortable 66°F. Weather in October »

Weather in November

The last month of the autumn, November, is also a fresh month in Chester, Maryland, with an average temperature varying between 54.5°F and 42.8°F. The decrease of average high-temperatures is mild in November, with a decline from an enjoyable 66°F in October to a cool 54.5°F. Weather in November »

Weather in December

December, the first month of the winter in Chester, is still a chilly month, with an average temperature fluctuating between 36.3°F and 46.2°F. December is marked by a subtle drop in average high-temperatures, transitioning from a cool 54.5°F in November to a chilly 46.2°F. Weather in December »
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FAQ

What are the coldest months in Chester?

With average temperatures fluctuating between a high of 40.1°F and a low of 29.5°F, January stands out as the coldest month.

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, Maryland.

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" of precipitation.

When does it snow in Chester?

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

When does it snow the most in Chester?

The month with the most snowfall is January, when snow falls for 4.2 days and typically aggregates up to 1.42" of snow.

How many days does it snow in Chester?

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

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

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

What is the month with the coldest ocean in Chester?

The month with the coldest seawater in Chester, Maryland, is February, with an average ocean temperature of 45.1°F.

What is the month with the least sunshine in Chester?

With an average of 5h of sunshine, February has the least sunshine of the year.

When is Daylight Saving Time (DST) in Chester?

On Sunday, March 12. 2023, 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 5. 2023, at 2:00 am, and the time zone reverts from EDT to EST.

What is the most humid month in Chester?

With an average relative humidity of 79%, May is the most humid month.

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.

When are the longest days in Chester?

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

What part of the year is the hottest in Chester?

Chester's July weather, with an average high temperature of 84.4°F and an average low temperature of 71.2°F, tends to be the warmest of the year.

What is the rainiest month in Chester?

July is the month with the most rainfall in Chester, Maryland. Rain falls for 16.8 days and accumulates 3.31" of precipitation.

What month has the most sunshine in Chester?

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

What is the month with the warmest ocean in Chester?

August is the month with the warmest seawater in Chester, with an average ocean temperature of 77.7°F.

What is the driest month in Chester?

September is the month with the least rainfall. Rain falls for 12.5 days and accumulates 1.89" of precipitation.

What is the month with the shortest days in Chester?

December has the shortest days of the year in Chester, Maryland, with an average of 9h and 30min of daylight.

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 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
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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Chester, Maryland, USA

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