Climate and monthly weather forecastKeysville, VA
Climate and monthly weather forecast
Weather in January
January, the same as December, in Keysville, Virginia, is a frosty winter month, with an average temperature ranging between max 44.6°F (7°C) and min 29.1°F (-1.6°C). The month of January, characterized by an average high of 44.6°F (7°C) and a low of 29.1°F (-1.6°C), is recognized as the coldest. Weather in January »Weather in February
The last month of the winter, February, is also a frosty month in Keysville, Virginia, with an average temperature varying between 31.6°F (-0.2°C) and 49.1°F (9.5°C). February reports an average high-temperature of a still frosty 49.1°F (9.5°C), slightly varied from January's 44.6°F (7°C). Weather in February »Weather in March
March, the first month of the spring in Keysville, is a mild month, with temperature in the range of an average high of 56.7°F (13.7°C) and an average low of 38.5°F (3.6°C). Observing a minor shift, the average high-temperature during March adjusts from February's frosty 49.1°F (9.5°C) to a moderate 56.7°F (13.7°C). Weather in March »Weather in April
April is an agreeable spring month in Keysville, Virginia, with an average temperature fluctuating between 68.5°F (20.3°C) and 48.6°F (9.2°C). Keysville's April weather brings a rise in high-temperatures, moving from a moderate 56.7°F (13.7°C) in March to an agreeable 68.5°F (20.3°C). Weather in April »Weather in May
The last month of the spring, May, is a warm month in Keysville, Virginia, with an average temperature varying between 57°F (13.9°C) and 77.5°F (25.3°C). In Keysville, the average high-temperature in May rises, from a pleasant 68.5°F (20.3°C) in April, to a moderately hot 77.5°F (25.3°C). Weather in May »Weather in June
The first month of the summer, June, is still a warm month in Keysville, Virginia, with temperature in the range of an average low of 64°F (17.8°C) and an average high of 85.3°F (29.6°C). In Keysville, the onset of June comes with a modest high-temperature shift, transitioning from May's warm 77.5°F (25.3°C) to a still moderately hot 85.3°F (29.6°C). Weather in June »Weather in July
July in Keysville, Virginia, is a hot summer month, with an average temperature varying between 90.1°F (32.3°C) and 68°F (20°C). The warmest temperatures occur during July, when averages reach a peak of 90.1°F (32.3°C) and a low of 68°F (20°C). During July, the heat index is computed to be a blisteringly hot 105.8°F (41°C). Weather in July »Weather in August
August, the last month of the summer in Keysville, is another hot month, with temperature in the range of an average low of 66.6°F (19.2°C) and an average high of 87.4°F (30.8°C). The introduction of August sees an average high-temperature of a still hot 87.4°F (30.8°C), hardly deviating from July. Weather in August »Weather in September
September, the first month of the autumn in Keysville, is still a warm month, with an average temperature ranging between max 80.6°F (27°C) and min 61.3°F (16.3°C). A modest decline in the average high-temperature is seen during September, decreasing from a hot 87.4°F (30.8°C) in August to a warm 80.6°F (27°C). Weather in September »Weather in October
October, the same as September, in Keysville, Virginia, is an agreeable autumn month, with temperature in the range of an average high of 68.9°F (20.5°C) and an average low of 50.5°F (10.3°C). The onset of October brings a small change in high-temperatures, falling from a moderately hot 80.6°F (27°C) in September to a pleasant 68.9°F (20.5°C). Weather in October »Weather in November
The last month of the autumn, November, is another refreshing month in Keysville, Virginia, with an average temperature fluctuating between 56.3°F (13.5°C) and 39.4°F (4.1°C). In Keysville, the average high-temperature in November decreases from an agreeable 68.9°F (20.5°C) in October to a moderate 56.3°F (13.5°C). Weather in November »Weather in December
The first month of the winter, December, is still a chilly month in Keysville, Virginia, with temperature in the range of an average low of 34.7°F (1.5°C) and an average high of 49.1°F (9.5°C). The transition into December subtly indicates a reduction in the average high-temperature, down to a chilly 49.1°F (9.5°C) from November's refreshing 56.3°F (13.5°C). Weather in December »Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January, noted for its average high-temperature of 44.6°F (7°C) and an average low-temperature of 29.1°F (-1.6°C), is considered the coldest month in Keysville.
Throughout the year, there are 156.1 rainfall days, and 30" (762mm) of precipitation is accumulated.
January through April, October through December are months with snowfall.
Throughout the year, there are 10.8 snowfall days, and 9.17" (233mm) of snow is accumulated.
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index.
The month with the most snowfall is March, when snow falls for 2.2 days and typically aggregates up to 2.52" (64mm) of snow.
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.
The month with the most rainfall in Keysville is May, when the rain falls for 17.8 days and typically aggregates up to 2.83" (72mm) of precipitation.
May through September are months without snowfall in Keysville, Virginia.
May through August, with an average maximum UV index of 6, are months with the highest UV index.
The month with the longest days is June, with an average of 14h and 42min of daylight.
Temperature records in Keysville mark July as the warmest month, with highs averaging 90.1°F (32.3°C) and lows at 68°F (20°C).
With an average relative humidity of 69%, July is the least humid month.
The month with the most sunshine in Keysville, Virginia, is July, with an average of 10.7h of sunshine.
The month with the least rainfall in Keysville, Virginia, is September, when the rain falls for 12.2 days and typically collects 1.69" (43mm) of precipitation.
With an average relative humidity of 78%, December is the most humid month in Keysville, Virginia.
The month with the shortest days is December, with an average of 9h and 42min of daylight.
December has the least sunshine of the year, with an average of 5.4h of sunshine.
Average temperature
Keysville, VA
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (44.6°F).
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).
Average pressure
Keysville, VA
- Average pressure in January:
30.12"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
30"Hg - Average pressure in May:
30.02"Hg - Average pressure in June:
29.96"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.15"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed
Keysville, VA
- Average wind speed in January:
6.5mph - Average wind speed in February:
6.8mph - Average wind speed in March:
6.9mph - Average wind speed in April:
7.2mph - Average wind speed in May:
6.1mph - Average wind speed in June:
5.6mph
- Average wind speed in July:
5.1mph - Average wind speed in August:
4.8mph - Average wind speed in September:
5.3mph - Average wind speed in October:
6mph - Average wind speed in November:
5.9mph - Average wind speed in December:
5.8mph
The windiest month (with the highest average wind speed) is April (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity
Keysville, VA
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (69%).
Average rainfall
Keysville, VA
- Average rainfall in January:
2.36" - Average rainfall in February:
2.76" - Average rainfall in March:
2.72" - Average rainfall in April:
2.68" - Average rainfall in May:
2.83" - Average rainfall in June:
2.36"
- Average rainfall in July:
2.32" - Average rainfall in August:
2.72" - Average rainfall in September:
1.69" - Average rainfall in October:
2.48" - Average rainfall in November:
2.44" - Average rainfall in December:
2.64"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days
Keysville, VA
- Average rainfall days in January:
10.4 days - Average rainfall days in February:
11 days - Average rainfall days in March:
14.5 days - Average rainfall days in April:
14.9 days - Average rainfall days in May:
17.8 days - Average rainfall days in June:
13.9 days
- Average rainfall days in July:
16 days - Average rainfall days in August:
15.5 days - Average rainfall days in September:
12.2 days - Average rainfall days in October:
10.4 days - Average rainfall days in November:
9 days - Average rainfall days in December:
10.5 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (9 days).
Average snowfall
Keysville, VA
The month with the highest snowfall is March (2.52").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Keysville, VA
- Average snowfall days in January:
3.3 days - Average snowfall days in February:
3.4 days - Average snowfall days in March:
2.2 days - Average snowfall days in April:
0.2 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.1 days - Average snowfall days in November:
0.3 days - Average snowfall days in December:
1.3 days
The month with the highest number of snowfall days is February (3.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Keysville, VA
- Average daylight in January:
10h and 0min - Average daylight in February:
10h and 54min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 12min - Average daylight in June:
14h and 42min
- Average daylight in July:
14h and 24min - Average daylight in August:
13h and 30min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 12min - Average daylight in December:
9h and 42min
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 42min).
- Average sunshine in January:
5h and 30min - Average sunshine in February:
5h and 42min - Average sunshine in March:
6h and 54min - Average sunshine in April:
9h and 12min - Average sunshine in May:
9h and 18min - Average sunshine in June:
10h and 36min
- Average sunshine in July:
10h and 42min - Average sunshine in August:
10h and 6min - Average sunshine in September:
8h and 42min - Average sunshine in October:
5h and 54min - Average sunshine in November:
6h and 0min - Average sunshine in December:
5h and 24min
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 24min).
Average sunshine days
Keysville, VA
- Average sunshine days in January:
18.4 days - Average sunshine days in February:
14.9 days - Average sunshine days in March:
14.7 days - Average sunshine days in April:
13.6 days - Average sunshine days in May:
11.3 days - Average sunshine days in June:
14.7 days
- Average sunshine days in July:
13.2 days - Average sunshine days in August:
13.3 days - Average sunshine days in September:
16.3 days - Average sunshine days in October:
18.9 days - Average sunshine days in November:
19.5 days - Average sunshine days in December:
18.6 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (11.3 days).
Average UV index
Keysville, 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 and December (UV index 2).
Average cloud cover
Keysville, VA
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility
Keysville, VA
The months with the highest visibility are February, March, April, June, July, August, October and November (6mi).
The months with the lowest visibility are January, May, September and December (5mi).
