Monthly weather forecast and climate
Rockland, DE

Weather in January

January, like December, in Rockland, Delaware, is another cold winter month, with temperature in the range of an average low of 25.3°F (-3.7°C) and an average high of 37°F (2.8°C). January is the coldest month, with an average high-temperature of 37°F (2.8°C) and an average low-temperature of 25.3°F (-3.7°C). Weather in January »

Weather in February

The last month of the winter, February, is also a wintry month in Rockland, Delaware, with average temperature varying between 40.8°F (4.9°C) and 27.7°F (-2.4°C). In February, the average high-temperature is essentially the same as in January - a still cold 40.8°F (4.9°C). Weather in February »

Weather in March

March, the first month of the spring, in Rockland, is a frosty month, with average temperature varying between 49.3°F (9.6°C) and 34.7°F (1.5°C). In Rockland, the average high-temperature in March slightly increases, from a wintry 40.8°F (4.9°C) in February, to a chilly 49.3°F (9.6°C). Weather in March »

Weather in April

April is an enjoyable spring month in Rockland, Delaware, with average temperature fluctuating between 44.6°F (7°C) and 61.3°F (16.3°C). In April, the average high-temperature rises, from a chilly 49.3°F (9.6°C) in March, to an enjoyable 61.3°F (16.3°C). Weather in April »

Weather in May

May, the last month of the spring, in Rockland, is a pleasant month, with average temperature ranging between max 71.6°F (22°C) and min 54.5°F (12.5°C). In Rockland, the average high-temperature rises, from a comfortable 61.3°F (16.3°C) in April, to an agreeable 71.6°F (22°C). Weather in May »

Weather in June

June, the first month of the summer, in Rockland, is a moderately hot month, with average temperature fluctuating between 79.5°F (26.4°C) and 62.8°F (17.1°C). In Rockland, the average high-temperature slightly increases, from an agreeable 71.6°F (22°C) in May, to a warm 79.5°F (26.4°C). Weather in June »

Weather in July

July, like June, in Rockland, Delaware, is another warm summer month, with average temperature varying between 68.4°F (20.2°C) and 84.9°F (29.4°C). July is the warmest month, with an average high-temperature of 84.9°F (29.4°C) and an average low-temperature of 68.4°F (20.2°C). In July, the average heat index is estimated at a tropical 94.1°F (34.5°C). Weather in July »

Weather in August

August, the last month of the summer, in Rockland, is also a moderately hot month, with average temperature ranging between min 66.7°F (19.3°C) and max 82.9°F (28.3°C). In Rockland, the average high-temperature is essentially the same as in July - a still moderately hot 82.9°F (28.3°C). Weather in August »

Weather in September

September, the first month of the autumn, in Rockland, is also a moderately hot month, with average temperature fluctuating between 59.9°F (15.5°C) and 76.3°F (24.6°C). In Rockland, Delaware, the average high-temperature slightly decreases, from a moderately hot 82.9°F (28.3°C) in August, to a still warm 76.3°F (24.6°C). Weather in September »

Weather in October

October, like September, in Rockland, Delaware, is another enjoyable autumn month, with average temperature fluctuating between 50.2°F (10.1°C) and 64.6°F (18.1°C). In Rockland, the average high-temperature decreases, from a moderately hot 76.3°F (24.6°C) in September, to a comfortable 64.6°F (18.1°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a fresh month in Rockland, Delaware, with average temperature varying between 38.8°F (3.8°C) and 52.2°F (11.2°C). In November, the average high-temperature decreases, from a comfortable 64.6°F (18.1°C) in October, to a cool 52.2°F (11.2°C). Weather in November »

Weather in December

December, the first month of the winter, in Rockland, is also a frosty month, with average temperature fluctuating between 32.7°F (0.4°C) and 43.7°F (6.5°C). In Rockland, Delaware, the average high-temperature slightly decreases, from a fresh 52.2°F (11.2°C) in November, to a frosty 43.7°F (6.5°C). Weather in December »
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FAQ

What is the coldest month in Rockland?

With an average high-temperature of 37°F (2.8°C) and an average low-temperature of 25.3°F (-3.7°C), January is the coldest month in Rockland, Delaware.

How many days does it rain in Rockland?

Throughout the year, in Rockland, Delaware, there are 168.9 rainfall days, and 35.55" (903mm) of precipitation is accumulated.

What is the driest month in Rockland?

The month with the least rainfall in Rockland, Delaware, is January when the rain falls for 9.3 days and typically collects 2.36" (60mm) of precipitation.

When does it snow in Rockland?

Months with snowfall in Rockland, Delaware, are January through May, October through December.

How many days does it snow in Rockland?

Throughout the year, there are 21.9 snowfall days, and 12.05" (306mm) of snow is accumulated.

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

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

What is the month with the least sunshine in Rockland?

February has the least sunshine of the year in Rockland, Delaware, with an average of 4.9h of sunshine.

What is the snowiest month in Rockland?

March is the month with the most snowfall in Rockland. Snow falls for 4.7 days and accumulates 3.58" (91mm) of snow.

What is the least humid month in Rockland?

The least humid month in Rockland is April, with an average relative humidity of 72%.

When is the highest UV index in Rockland?

Months with the highest UV index are May through August, with an average maximum UV index of 6.

When it does not snow in Rockland?

In Rockland, Delaware, snow does not fall in June through September.

When are the longest days in Rockland?

June has the longest days of the year in Rockland, Delaware, with an average of 15h of daylight.

What is the warmest month in Rockland?

The warmest month in Rockland, Delaware, is July, with an average high-temperature of 84.9°F (29.4°C) and an average low-temperature of 68.4°F (20.2°C).

What month has the most sunshine in Rockland?

July has the most sunshine of the year in Rockland, with an average of 10.6h of sunshine.

What is the rainiest month in Rockland?

The month with the most rainfall in Rockland, Delaware, is August when the rain falls for 17.3 days and typically aggregates up to 4.09" (104mm) of precipitation.

What is the most humid month in Rockland?

The most humid month is October, with an average relative humidity of 78%.

What is the month with the shortest days in Rockland?

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

Average temperature
Rockland, DE

Average temperature - Rockland, DE

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (37°F).

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).

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Average pressure
Rockland, DE

Average pressure - Rockland, DE

The month with the highest atmospheric pressure is November (30.12").
The month with the lowest atmospheric pressure is June (29.94").

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Average wind speed
Rockland, DE

Average wind speed - Rockland, DE

The windiest months (with the highest average wind speed) are January, February and March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

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Average rainfall
Rockland, DE

Average rainfall - Rockland, DE

The wettest month (with the highest rainfall) is August (4.09").
The driest month (with the least rainfall) is January (2.36").

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Average rainfall days
Rockland, DE

Average rainfall days - Rockland, DE

The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is November (8.8 days).

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Average snowfall
Rockland, DE

Average snowfall - Rockland, DE

The month with the highest snowfall is March (3.58").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Rockland, DE

Average snowfall days - Rockland, DE

The month with the highest number of snowfall days is January (6.8 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Rockland, DE

Average daylight / Average sunshine - Rockland, DE

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.4h).

The month with the most sunshine is July (Average sunshine: 10.6h).
The month with the least sunshine is February (Average sunshine: 4.9h).

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Average sunshine days
Rockland, DE

Average sunshine days - Rockland, DE

The month with the most sunshine days is November (18.6 days).
Months with the least sunshine days are May and July (9.8 days).

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Average UV index
Rockland, DE

Average UV index - Rockland, DE

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average visibility
Rockland, DE

Average visibility - Rockland, DE

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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