Climate and monthly weather forecast
Keysville, MD

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Weather in January

January, the same as December, is another cold winter month in Keysville, Maryland, with an average temperature fluctuating between 23.5°F (-4.7°C) and 36.7°F (2.6°C). In Keysville, January records the lowest average temperatures, peaking at 36.7°F (2.6°C) and reaching a low of 23.5°F (-4.7°C). Weather in January »

Weather in February

February, the last month of the winter in Keysville, is also an icy month, with an average temperature ranging between min 25.5°F (-3.6°C) and max 40.5°F (4.7°C). Entering February, Keysville's average high-temperature reads a still wintry 40.5°F (4.7°C), indicating a close resemblance to the previous month's climate. Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Keysville, Maryland, with temperature in the range of an average high of 49.3°F (9.6°C) and an average low of 32.9°F (0.5°C). The shift into March is marked by a modest rise in the average high-temperature, moving from February's wintry 40.5°F (4.7°C) to a frosty 49.3°F (9.6°C). Weather in March »

Weather in April

April is an enjoyable spring month in Keysville, Maryland, with temperature in the range of an average high of 61.5°F (16.4°C) and an average low of 42.8°F (6°C). Keysville's transition into April brings a rise in the average high-temperature, moving from a frosty 49.3°F (9.6°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 Keysville, is a pleasant month, with temperature in the range of an average high of 71.2°F (21.8°C) and an average low of 52.9°F (11.6°C). May sees a temperature increase, moving from an enjoyable 61.5°F (16.4°C) in April to an agreeable 71.2°F (21.8°C). Weather in May »

Weather in June

June, the first month of the summer in Keysville, is a warm month, with an average temperature ranging between max 79.3°F (26.3°C) and min 60.1°F (15.6°C). In Keysville, the onset of June comes with a modest high-temperature shift, transitioning from May's agreeable 71.2°F (21.8°C) to a warm 79.3°F (26.3°C). Weather in June »

Weather in July

July, like June, in Keysville, Maryland, is another warm summer month, with an average temperature varying between 64.6°F (18.1°C) and 84°F (28.9°C). July is the warmest month, exhibiting average temperatures of 84°F (28.9°C) at the peak and 64.6°F (18.1°C) at the base. In July, the heat index is appraised at a tropical 93.2°F (34°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Keysville, Maryland, with temperature in the range of an average high of 81.9°F (27.7°C) and an average low of 63.1°F (17.3°C). The onset of August manifests an average high-temperature of a still moderately hot 81.9°F (27.7°C), demonstrating a minor variation from the preceding month. Weather in August »

Weather in September

September, the first month of the autumn in Keysville, is still a warm month, with an average temperature fluctuating between 75.2°F (24°C) and 56.7°F (13.7°C). September marks a gentle change in average high-temperature, declining from August's warm 81.9°F (27.7°C) to a still moderately hot 75.2°F (24°C). Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in Keysville, Maryland, with an average temperature ranging between max 63.3°F (17.4°C) and min 46.9°F (8.3°C). October's arrival corresponds with a decrease in average high-temperatures, from September's moderately hot 75.2°F (24°C) to an enjoyable 63.3°F (17.4°C). Weather in October »

Weather in November

November, the last month of the autumn in Keysville, is also a fresh month, with an average temperature varying between 36°F (2.2°C) and 51.3°F (10.7°C). November shows a mild decline in the average high-temperature, falling from October's enjoyable 63.3°F (17.4°C) to a cool 51.3°F (10.7°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Keysville, Maryland, with an average temperature fluctuating between 30.4°F (-0.9°C) and 42.6°F (5.9°C). December ushers in a minor alteration in Keysville's climate, with the average high-temperature moving from November's cool 51.3°F (10.7°C) to an icy 42.6°F (5.9°C). Weather in December »
Updated: Jun 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

With average high temperatures of 36.7°F (2.6°C) and lows of 23.5°F (-4.7°C), January is the coldest month.

How much does it rain?

Throughout the year, there are 157.5 rainfall days, and 27.52" (699mm) of precipitation is accumulated.

When does it snow in Keysville?

Months with snowfall are January through May, October through December.

How many days does it snow?

Throughout the year, there are 22.3 snowfall days, and 9.76" (248mm) of snow is accumulated.

When is the lowest UV index?

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

What is the driest month?

February is the month with the least rainfall. Rain falls for 8.5 days and accumulates 1.61" (41mm) of precipitation.

What is the month with the least sunshine in Keysville?

With an average of 4.7h of sunshine, February has the least sunshine of the year.

When does it snow the most?

The month with the most snowfall is March, when snow falls for 4.3 days and typically aggregates up to 3.03" (77mm) of snow.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

What is the least humid month in Keysville?

The least humid month is April, with an average relative humidity of 75%.

What is the most humid month?

May is the most humid month in Keysville, with an average relative humidity of 80%.

What is the month with the highest UV index?

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

When it does not snow?

June through September are months without snowfall.

When are the longest days?

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

What is the warmest month?

July, recognised by an average high temperature of 84°F (28.9°C) and a low of 64.6°F (18.1°C), is Keysville's warmest month.

What month has the most sunshine?

With an average of 10.6h of sunshine, July has the most sunshine of the year.

What is the rainiest month?

August is the month with the most rainfall. Rain falls for 17 days and accumulates 3.23" (82mm) of precipitation.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 24min of daylight.

Average temperature
Keysville, MD

Average temperature - Keysville, MD

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (36.7°F).

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).

Average pressure
Keysville, MD

Average pressure - Keysville, MD

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed
Keysville, MD

Average wind speed - Keysville, MD

The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).

Average rainfall
Keysville, MD

Average rainfall - Keysville, MD

The wettest month (with the highest rainfall) is August (3.23").
The driest month (with the least rainfall) is February (1.61").

Average rainfall days
Keysville, MD

Average rainfall days - Keysville, MD

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (7.6 days).

Average snowfall
Keysville, MD

Average snowfall - Keysville, MD

The month with the highest snowfall is March (3.03").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Keysville, MD

Average snowfall days - Keysville, MD

The month with the highest number of snowfall days is January (6.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Keysville, MD

Average daylight / Average sunshine - Keysville, 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 24min).

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days
Keysville, MD

Average sunshine days - Keysville, MD

The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is May (10.8 days).

Average UV index
Keysville, MD

Average UV index - Keysville, 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, February, November and December (UV index 2).

Average visibility
Keysville, MD

Average visibility - Keysville, MD

The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).

Keysville, Maryland, USA

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