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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, is an icy winter month in Keysville, Maryland, with an average temperature varying between 23.5°F (-4.7°C) and 36.7°F (2.6°C). Keysville experiences its lowest average temperatures in January, reaching a peak of 36.7°F (2.6°C) and a minimum of 23.5°F (-4.7°C). Weather in January »
Weather in February
The last month of the winter, February, is also a wintry month in Keysville, Maryland, with an average temperature ranging between min 25.5°F (-3.6°C) and max 40.5°F (4.7°C). February's onset records a minor alteration in the average high-temperature to a still icy 40.5°F (4.7°C) from January's 36.7°F (2.6°C). Weather in February »
Weather in March
March, the first month of the spring in Keysville, is a chilly month, with an average temperature fluctuating between 49.3°F (9.6°C) and 32.9°F (0.5°C). Keysville observes a slight uplift in the average high-temperature with the onset of March, adjusting from February's icy 40.5°F (4.7°C) to a frosty 49.3°F (9.6°C). Weather in March »
Weather in April
April is a refreshing spring month in Keysville, Maryland, with an average temperature ranging between min 42.8°F (6°C) and max 61.5°F (16.4°C). The arrival of April brings a temperature shift, with the average high-temperature escalating from a chilly 49.3°F (9.6°C) in March to a comfortable 61.5°F (16.4°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Keysville, Maryland, with an average temperature fluctuating between 71.2°F (21.8°C) and 52.9°F (11.6°C). An increase in the average high-temperature marks May, moving from April's comfortable 61.5°F (16.4°C) 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 fluctuating between 79.3°F (26.3°C) and 60.1°F (15.6°C). With the onset of June, Keysville experiences a subtle temperature shift, with the average high-temperature moving from an agreeable 71.2°F (21.8°C) in May to a warm 79.3°F (26.3°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Keysville, Maryland, with an average temperature ranging between max 84°F (28.9°C) and min 64.6°F (18.1°C). July, marked by an average high-temperature of 84°F (28.9°C) and a low-temperature of 64.6°F (18.1°C), is the warmest month. The heat index for July is computed to be a tropical 93.2°F (34°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Keysville, Maryland, with an average temperature varying between 63.1°F (17.3°C) and 81.9°F (27.7°C). The arrival of August is marked by an average high-temperature of a still warm 81.9°F (27.7°C), bearing a close resemblance to July. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Keysville, Maryland, with an average temperature varying between 56.7°F (13.7°C) and 75.2°F (24°C). Keysville observes a small decrease in the average high-temperature with the arrival of September, falling from August's moderately hot 81.9°F (27.7°C) to a still warm 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 fluctuating between 46.9°F (8.3°C) and 63.3°F (17.4°C). Keysville's progression into October includes a drop in the average high-temperature, from a moderately hot 75.2°F (24°C) in September 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 temperature in the range of an average low of 36°F (2.2°C) and an average high of 51.3°F (10.7°C). Keysville experiences a temperature shift at the start of November, with average high-temperatures adjusting from a refreshing 63.3°F (17.4°C) in October to a fresh 51.3°F (10.7°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Keysville, Maryland, with temperature in the range of an average high of 42.6°F (5.9°C) and an average low of 30.4°F (-0.9°C). Keysville's progression into December involves a gentle drop in the average high-temperature, from a cool 51.3°F (10.7°C) in November to a cold 42.6°F (5.9°C). Weather in December »
Updated: Aug 21, 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
What month is the coldest?
Keysville's January weather reaches an average high of 36.7°F (2.6°C) and an average low of 23.5°F (-4.7°C), making it 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?
Months with snowfall are January through May, October through December.
How many days does it snow?
In Keysville, during the entire year, snow falls for 22.3 days and aggregates up to 9.76" (248mm) of snow.
When is the lowest UV index?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
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?
February has the least sunshine of the year, with an average of 4.7h of sunshine.
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?
With an average relative humidity of 75%, April is the least humid month.
What is the most humid month?
With an average relative humidity of 80%, May is the most humid month in Keysville.
What are the months 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 in Keysville?
In Keysville, snow does not fall in June through September.
When are the longest days in Keysville?
With an average of 14h and 54min of daylight, June has the longest days of the year.
What is the hottest time of year?
July is Keysville's warmest month, registering average high temperatures of 84°F (28.9°C) and lows of 64.6°F (18.1°C).
What month has the most sunshine?
July has the most sunshine of the year, with an average of 10.6h of sunshine.
What is the wettest 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 in Keysville?
December has the shortest days of the year, with an average of 9h and 24min of daylight.
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 in January:
30.1"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.95"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.11"Hg
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 in January:
8.3mph - Average wind speed in February:
8.3mph - Average wind speed in March:
8.4mph - Average wind speed in April:
8.2mph - Average wind speed in May:
6.5mph - Average wind speed in June:
6mph
- Average wind speed in July:
5mph - Average wind speed in August:
5mph - Average wind speed in September:
5.7mph - Average wind speed in October:
6.8mph - Average wind speed in November:
7.2mph - Average wind speed in December:
7.7mph
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 humidity
Keysville, MD
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is April (75%).
Average rainfall
Keysville, MD
- Average rainfall in January:
1.73" - Average rainfall in February:
1.61" - Average rainfall in March:
1.89" - Average rainfall in April:
2.32" - Average rainfall in May:
2.95" - Average rainfall in June:
2.36"
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 in January:
7.6 days - Average rainfall days in February:
8.5 days - Average rainfall days in March:
12.6 days - Average rainfall days in April:
15.7 days - Average rainfall days in May:
18 days - Average rainfall days in June:
16.2 days
- Average rainfall days in July:
17.1 days - Average rainfall days in August:
17 days - Average rainfall days in September:
14.5 days - Average rainfall days in October:
11.4 days - Average rainfall days in November:
9.1 days - Average rainfall days in December:
9.8 days
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 in January:
2.68" - Average snowfall in February:
1.81" - Average snowfall in March:
3.03" - Average snowfall in April:
0.16" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
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 in January:
6.7 days - Average snowfall days in February:
5.9 days - Average snowfall days in March:
4.3 days - Average snowfall days in April:
0.4 days - Average snowfall days in May:
0.1 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:
0.9 days - Average snowfall days in December:
3.9 days
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 in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 2min
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).
- Average sunshine in January:
4h and 5min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 3min - Average sunshine in April:
8h and 3min - Average sunshine in May:
8h and 3min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 5min - Average sunshine in October:
5h and 3min - Average sunshine in November:
5h and 4min - Average sunshine in December:
5h and 0min
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 in January:
17.8 days - Average sunshine days in February:
14.8 days - Average sunshine days in March:
14.3 days - Average sunshine days in April:
12.8 days - Average sunshine days in May:
10.8 days - Average sunshine days in June:
11.6 days
- Average sunshine days in July:
11.8 days - Average sunshine days in August:
11.4 days - Average sunshine days in September:
13.9 days - Average sunshine days in October:
16.7 days - Average sunshine days in November:
19.2 days - Average sunshine days in December:
18.1 days
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
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 cloud cover
Keysville, MD
The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).
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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