Climate and monthly weather forecast
Dean, WV

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Weather in January

January, like December, in Dean, West Virginia, is another cold winter month, with temperature in the range of an average low of 22.1°F (-5.5°C) and an average high of 35.4°F (1.9°C). With its high average temperature of 35.4°F (1.9°C) and a low of 22.1°F (-5.5°C), January is regarded as the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is also an icy month in Dean, West Virginia, with an average temperature ranging between max 39.6°F (4.2°C) and min 25°F (-3.9°C). With the advent of February, Dean's high-temperatures adjust to a still wintry 39.6°F (4.2°C), closely aligning with the preceding month. Weather in February »

Weather in March

March, the first month of the spring in Dean, is a chilly month, with temperature in the range of an average high of 49.6°F (9.8°C) and an average low of 32.9°F (0.5°C). Dean's transition into March is marked by a temperature shift, moving from a cold 39.6°F (4.2°C) in February to a frosty 49.6°F (9.8°C). Weather in March »

Weather in April

April is a comfortable spring month in Dean, West Virginia, with temperature in the range of an average high of 61.9°F (16.6°C) and an average low of 42.6°F (5.9°C). An upsurge in temperatures occurs as March gives way to April, with average highs shifting from a frosty 49.6°F (9.8°C) to a refreshing 61.9°F (16.6°C). Weather in April »

Weather in May

May, the last month of the spring in Dean, is a warm month, with an average temperature varying between 73.4°F (23°C) and 52.2°F (11.2°C). May's onset witnesses a shift in the average high-temperature, moving from a refreshing 61.9°F (16.6°C) in April to a moderately hot 73.4°F (23°C). Weather in May »

Weather in June

The first month of the summer, June, is still a warm month in Dean, West Virginia, with an average temperature ranging between max 80.2°F (26.8°C) and min 58.5°F (14.7°C). In Dean, the onset of June comes with a modest high-temperature shift, transitioning from May's 73.4°F (23°C) to a still moderately hot 80.2°F (26.8°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Dean, West Virginia, with an average temperature varying between 84°F (28.9°C) and 61.9°F (16.6°C). July, on average, is the warmest month, registering a high temperature of 84°F (28.9°C) and a low of 61.9°F (16.6°C). For most parts of July, the heat index is calculated to be a hot 93.2°F (34°C). Weather in July »

Weather in August

August, the last month of the summer in Dean, is also a moderately hot month, with an average temperature fluctuating between 82.8°F (28.2°C) and 59.9°F (15.5°C). The unfolding of August shows an average high-temperature of a still warm 82.8°F (28.2°C), indicating a slight variance from July's 84°F (28.9°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Dean, West Virginia, with an average temperature ranging between min 55.4°F (13°C) and max 76.6°F (24.8°C). The move into September indicates a slight reduction in the average high-temperature, down from August's 82.8°F (28.2°C) to a still warm 76.6°F (24.8°C). Weather in September »

Weather in October

October, the same as September, is another refreshing autumn month in Dean, West Virginia, with an average temperature fluctuating between 45.5°F (7.5°C) and 63.3°F (17.4°C). Onset of October witnesses a reduction in the average high-temperature, falling from a moderately hot 76.6°F (24.8°C) in September to an enjoyable 63.3°F (17.4°C). Weather in October »

Weather in November

The last month of the autumn, November, is another cool month in Dean, West Virginia, with an average temperature varying between 50.7°F (10.4°C) and 35.2°F (1.8°C). The shift from October to November involves a decrease in the average high-temperature, dropping from a comfortable 63.3°F (17.4°C) to a fresh 50.7°F (10.4°C). Weather in November »

Weather in December

December, the first month of the winter in Dean, is still a cold month, with an average temperature varying between 41.4°F (5.2°C) and 29.3°F (-1.5°C). December comes with a decrease in the average high-temperature, falling from a fresh 50.7°F (10.4°C) in November to a cold 41.4°F (5.2°C). Weather in December »
Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month?

January stands out as Dean's coldest month, with temperatures ranging between an average high of 35.4°F (1.9°C) and a low of 22.1°F (-5.5°C).

How many days does it rain?

In Dean, during the entire year, the rain falls for 176.6 days and collects up to 25.91" (658mm) of precipitation.

When does it snow?

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

When does it snow the most?

January is the month with the most snowfall in Dean. Snow falls for 14.7 days and accumulates 3.19" (81mm) of snow.

How much does it snow?

In Dean, during the entire year, snow falls for 46.7 days and aggregates up to 11.38" (289mm) of snow.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 3.3h of sunshine.

What is the most humid month?

The most humid month is February, with an average relative humidity of 84%.

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 rainiest month?

The month with the most rainfall is May, when the rain falls for 19.6 days and typically aggregates up to 2.91" (74mm) of precipitation.

When it does not snow?

In Dean, snow does not fall in May through October.

When are the longest days?

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

What are the months with the highest UV index?

June and July, with an average maximum UV index of 6, are months with the highest UV index in Dean.

What time of the year is the hottest?

Dean's July weather, with an average high temperature of 84°F (28.9°C) and an average low temperature of 61.9°F (16.6°C), tends to be the warmest of the year.

What is the least humid month?

August is the least humid month, with an average relative humidity of 77%.

What month has the most sunshine?

The month with the most sunshine is August, with an average of 10.1h of sunshine.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 13.6 days and typically collects 1.61" (41mm) 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.

What is the month with the lowest UV index?

December is the month with the lowest UV index, with an average maximum UV index of 1.

Average temperature
Dean, WV

Average temperature - Dean, WV

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (35.4°F).

The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).

Average pressure
Dean, WV

Average pressure - Dean, WV

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
Dean, WV

Average wind speed - Dean, WV

The windiest months (with the highest average wind speed) are January and February (7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity
Dean, WV

Average humidity - Dean, WV

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is August (77%).

Average rainfall
Dean, WV

Average rainfall - Dean, WV

The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is September (1.61").

Average rainfall days
Dean, WV

Average rainfall days - Dean, WV

The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is January (10.2 days).

Average snowfall
Dean, WV

Average snowfall - Dean, WV

The month with the highest snowfall is January (3.19").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days
Dean, WV

Average snowfall days - Dean, WV

The month with the highest number of snowfall days is January (14.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight / Average sunshine
Dean, WV

Average daylight / Average sunshine - Dean, WV

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 August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

Average sunshine days
Dean, WV

Average sunshine days - Dean, WV

The month with the most sunshine days is November (16.9 days).
The months with the least sunshine days are January and February (8.7 days).

Dean, West Virginia, USA

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