Climate and monthly weather forecast
Unionville, VA

Share

Weather in January

January, like December, in Unionville, Virginia, is a wintry winter month, with an average temperature ranging between max 41.5°F (5.3°C) and min 26.4°F (-3.1°C). January is Unionville's coldest month, registering average high temperatures of 41.5°F (5.3°C) and lows of 26.4°F (-3.1°C). Weather in January »

Weather in February

The last month of the winter, February, is a frosty month in Unionville, Virginia, with temperature in the range of an average high of 46°F (7.8°C) and an average low of 29.5°F (-1.4°C). February's arrival shows an average high-temperature of a chilly 46°F (7.8°C), hardly different from the previous month. Weather in February »

Weather in March

The first month of the spring, March, is a fresh month in Unionville, Virginia, with an average temperature ranging between min 35.8°F (2.1°C) and max 54°F (12.2°C). March's onset brings a minor rise in the average high-temperature, moving from a frosty 46°F (7.8°C) in February to a fresh 54°F (12.2°C). Weather in March »

Weather in April

April is a refreshing spring month in Unionville, Virginia, with an average temperature varying between 45.7°F (7.6°C) and 66°F (18.9°C). As April arrives, a rise in the average high-temperature is observed, moving from a fresh 54°F (12.2°C) in March to a comfortable 66°F (18.9°C). Weather in April »

Weather in May

May, the last month of the spring in Unionville, is a moderately hot month, with temperature in the range of an average high of 75.6°F (24.2°C) and an average low of 55°F (12.8°C). With the transition into May, Unionville experiences an increase in average high-temperatures, moving up from an enjoyable 66°F (18.9°C) in April to a warm 75.6°F (24.2°C). Weather in May »

Weather in June

The first month of the summer, June, is still a warm month in Unionville, Virginia, with temperature in the range of an average low of 61.7°F (16.5°C) and an average high of 83.8°F (28.8°C). The shift into June is accompanied by a modest temperature increase, with the average high-temperature edging up from 75.6°F (24.2°C) in May to a still moderately hot 83.8°F (28.8°C). Weather in June »

Weather in July

July in Unionville, Virginia, is a hot summer month, with temperature in the range of an average high of 88.3°F (31.3°C) and an average low of 66°F (18.9°C). July, recognised by an average high temperature of 88.3°F (31.3°C) and a low of 66°F (18.9°C), is Unionville's warmest month. The heat index for July is estimated at a sweltering 102.2°F (39°C). Weather in July »

Weather in August

The last month of the summer, August, is also a hot month in Unionville, Virginia, with an average temperature fluctuating between 86°F (30°C) and 64.4°F (18°C). The advent of August brings an average high-temperature of a still hot 86°F (30°C), exhibiting minor difference from the previous month. Weather in August »

Weather in September

September, the first month of the autumn in Unionville, is also a moderately hot month, with an average temperature ranging between min 59.2°F (15.1°C) and max 79.2°F (26.2°C). The onset of September is marked by a minor decrease in temperature, transitioning from a tropical 86°F (30°C) in August to a warm 79.2°F (26.2°C). Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in Unionville, Virginia, with an average temperature ranging between max 67.1°F (19.5°C) and min 48.4°F (9.1°C). With October's onset, the average high-temperature recedes from September's warm 79.2°F (26.2°C) to a comfortable 67.1°F (19.5°C). Weather in October »

Weather in November

November, the last month of the autumn in Unionville, is another cool month, with an average temperature fluctuating between 54.5°F (12.5°C) and 37.2°F (2.9°C). The start of November involves a temperature drop, moving from a comfortable 67.1°F (19.5°C) in October to a cool 54.5°F (12.5°C). Weather in November »

Weather in December

December, the first month of the winter in Unionville, is still a chilly month, with an average temperature fluctuating between 32.7°F (0.4°C) and 46.4°F (8°C). Unionville observes a small decrease in the average high-temperature with the arrival of December, falling from November's fresh 54.5°F (12.5°C) to a chilly 46.4°F (8°C). Weather in December »
Updated: Jul 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest?

January is Unionville's coldest month, registering average high temperatures of 41.5°F (5.3°C) and lows of 26.4°F (-3.1°C).

What is the driest month?

The months with the least rainfall are January and September Rain falls for 10.1 days and accumulates 1.85" (47mm) of rain.

How much does it rain?

Throughout the year, in Unionville, there are 158.3 rainfall days, and 28.5" (724mm) of precipitation is accumulated.

When does it snow?

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

What is the snowiest month?

January is the month with the most snowfall in Unionville. Snow falls for 4.9 days and accumulates 2.99" (76mm) of snow.

How much does it snow?

In Unionville, during the entire year, snow falls for 16.2 days and aggregates up to 10.75" (273mm) of snow.

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.

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 wettest month?

The month with the most rainfall is April, when the rain falls for 15.3 days and typically aggregates up to 2.95" (75mm) of precipitation.

When it does not snow?

May through October are months without snowfall.

When is the highest UV index?

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

When are the longest days?

With an average of 14h and 48min of daylight, June has the longest days of the year.

What month is the hottest?

July registers as the month with the average highest temperatures in Unionville, reaching 88.3°F (31.3°C) at its peak and 66°F (18.9°C) at the lowest.

What is the least humid month?

July is the least humid month, with an average relative humidity of 71%.

What month has the most sunshine?

The month with the most sunshine is July, with an average of 10.7h of sunshine.

What is the most humid month?

With an average relative humidity of 78%, December is the most humid month.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 36min of daylight.

What is the month with the least sunshine?

With an average of 5.3h of sunshine, December has the least sunshine of the year.

Average temperature
Unionville, VA

Average temperature - Unionville, VA

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (41.5°F).

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).

Average pressure
Unionville, VA

Average pressure - Unionville, VA

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed
Unionville, VA

Average wind speed - Unionville, VA

The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity
Unionville, VA

Average humidity - Unionville, VA

The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (71%).

Average rainfall
Unionville, VA

Average rainfall - Unionville, VA

The wettest month (with the highest rainfall) is April (2.95").
The driest months (with the least rainfall) are January and September (1.85").

Average rainfall days
Unionville, VA

Average rainfall days - Unionville, VA

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is November (9.1 days).

Average snowfall
Unionville, VA

Average snowfall - Unionville, VA

The month with the highest snowfall is January (2.99").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days
Unionville, VA

Average snowfall days - Unionville, VA

The month with the highest number of snowfall days is January (4.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight / Average sunshine
Unionville, VA

Average daylight / Average sunshine - Unionville, VA

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

Average sunshine days
Unionville, VA

Average sunshine days - Unionville, VA

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (11.7 days).

Average UV index
Unionville, VA

Average UV index - Unionville, VA

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
Unionville, VA

Average visibility - Unionville, VA

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

Unionville, Virginia, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location