Climate and monthly weather forecast
Keller, VA

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Weather in January

January, the same as December, in Keller, Virginia, is a frosty winter month, with an average temperature fluctuating between 43.5°F (6.4°C) and 35.6°F (2°C). Keller records the coldest temperatures in January, averaging a high of 43.5°F (6.4°C) and a low of 35.6°F (2°C). Weather in January »

Weather in February

The last month of the winter, February, is also a frosty month in Keller, Virginia, with an average temperature ranging between min 37°F (2.8°C) and max 45.1°F (7.3°C). February welcomes an average high-temperature of a still frosty 45.1°F (7.3°C), not much different from the preceding month. Weather in February »

Weather in March

March, the first month of the spring in Keller, is also a frosty month, with temperature in the range of an average low of 42.3°F (5.7°C) and an average high of 49.6°F (9.8°C). A minor adjustment in Keller's average high-temperature is noted with the start of March, touching a still chilly 49.6°F (9.8°C) from February's 45.1°F (7.3°C). Weather in March »

Weather in April

April is a mild spring month in Keller, Virginia, with temperature in the range of an average low of 51.6°F (10.9°C) and an average high of 58.8°F (14.9°C). Keller's transition into April brings a rise in the average high-temperature, moving from a chilly 49.6°F (9.8°C) in March to a moderate 58.8°F (14.9°C). Weather in April »

Weather in May

The last month of the spring, May, is an enjoyable month in Keller, Virginia, with temperature in the range of an average high of 67.8°F (19.9°C) and an average low of 61.3°F (16.3°C). May witnesses a subtle temperature ascent, adjusting from a moderate 58.8°F (14.9°C) in April to a comfortable 67.8°F (19.9°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Keller, Virginia, with temperature in the range of an average high of 76.8°F (24.9°C) and an average low of 70.7°F (21.5°C). In Keller, the onset of June comes with an increased average high-temperature, moving from May's enjoyable 67.8°F (19.9°C) to a moderately hot 76.8°F (24.9°C). Weather in June »

Weather in July

July, like June, in Keller, Virginia, is another warm summer month, with temperature in the range of an average high of 82°F (27.8°C) and an average low of 75.9°F (24.4°C). July is the warmest month, with an average high-temperature of 82°F (27.8°C) and an average low-temperature of 75.9°F (24.4°C). The average heat index in July is estimated at a tropical 87.8°F (31°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Keller, Virginia, with temperature in the range of an average low of 75.4°F (24.1°C) and an average high of 80.8°F (27.1°C). The arrival of August is marked by an average high-temperature of a still warm 80.8°F (27.1°C), bearing a close resemblance to July. Weather in August »

Weather in September

September, the first month of the autumn in Keller, is still a warm month, with an average temperature fluctuating between 70.7°F (21.5°C) and 76.1°F (24.5°C). September observes an average high-temperature of a still warm 76.1°F (24.5°C), marking an insignificant difference from August's 80.8°F (27.1°C). Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in Keller, Virginia, with an average temperature ranging between min 60.4°F (15.8°C) and max 67.1°F (19.5°C). The onset of October coincides with a reduction in the average high-temperature, falling from a moderately hot 76.1°F (24.5°C) in September to an enjoyable 67.1°F (19.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is another mild month in Keller, Virginia, with an average temperature fluctuating between 56.3°F (13.5°C) and 48.7°F (9.3°C). A shift in the average high-temperature occurs in November, reducing from a comfortable 67.1°F (19.5°C) in October to a moderate 56.3°F (13.5°C). Weather in November »

Weather in December

December, the first month of the winter in Keller, is also a frosty month, with an average temperature ranging between max 49.1°F (9.5°C) and min 42.1°F (5.6°C). December is characterized by a mild reduction in the average high-temperature, from a moderate 56.3°F (13.5°C) in November to a chilly 49.1°F (9.5°C). Weather in December »
Updated: Aug 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

During the coldest month in Keller, January, temperatures average a high of 43.5°F (6.4°C) and a low of 35.6°F (2°C).

What is the least humid month in Keller?

January and November, with an average relative humidity of 74%, are the least humid months.

How many days does it rain?

Throughout the year, there are 161.5 rainfall days, and 26.06" (662mm) of precipitation is accumulated.

When does it snow?

January through March and December are months with snowfall.

How many days does it snow?

In Keller, during the entire year, snow falls for 5.6 days and aggregates up to 0.87" (22mm) of snow.

What is the month with the lowest UV index?

January is the month with the lowest UV index, with an average maximum UV index of 2.

What is the snowiest month?

The month with the most snowfall is February, when snow falls for 2 days and typically aggregates up to 0.51" (13mm) of snow.

What is the month with the least sunshine in Keller?

The month with the least sunshine is February, with an average of 5.2h of sunshine.

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.

When it does not snow?

April through November are months without snowfall.

What is the most humid month?

With an average relative humidity of 80%, May is the most humid month in Keller, Virginia.

When are the longest days?

June has the longest days of the year, with an average of 14h and 42min of daylight.

What are the warmest months?

Keller notes the warmest temperatures in July, with a average high of 82°F (27.8°C) and a low of 75.9°F (24.4°C).

What month has the most sunshine?

The month with the most sunshine is July, with an average of 11h of sunshine.

When is the highest UV index?

The months with the highest UV index are July and August, with an average maximum UV index of 7.

What is the wettest month?

August is the month with the most rainfall in Keller. Rain falls for 17.4 days and accumulates 3.27" (83mm) of precipitation.

What is the driest month?

November is the month with the least rainfall. Rain falls for 10 days and accumulates 1.54" (39mm) of precipitation.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 36min of daylight.

Average temperature
Keller, VA

Average temperature - Keller, VA

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (43.5°F).

The month with the highest average low temperature is July (75.9°F).
The coldest month (with the lowest average low temperature) is January (35.6°F).

Average pressure
Keller, VA

Average pressure - Keller, VA

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed
Keller, VA

Average wind speed - Keller, VA

The windiest month (with the highest average wind speed) is January (13.4mph).
The calmest month (with the lowest average wind speed) is August (9.5mph).

Average humidity
Keller, VA

Average humidity - Keller, VA

The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January and November (74%).

Average rainfall
Keller, VA

Average rainfall - Keller, VA

The wettest month (with the highest rainfall) is August (3.27").
The driest month (with the least rainfall) is November (1.54").

Average rainfall days
Keller, VA

Average rainfall days - Keller, VA

The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is January (9.3 days).

Average snowfall
Keller, VA

Average snowfall - Keller, VA

The month with the highest snowfall is February (0.51").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days
Keller, VA

Average snowfall days - Keller, VA

The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight / Average sunshine
Keller, VA

Average daylight / Average sunshine - Keller, VA

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).

Average sunshine days
Keller, VA

Average sunshine days - Keller, VA

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is July (10.8 days).

Average visibility
Keller, VA

Average visibility - Keller, VA

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).

Keller, Virginia, USA

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