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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 a wintry winter month in Williamsville, Virginia, with an average temperature varying between 22.1°F (-5.5°C) and 36.7°F (2.6°C). The month of January sees the lowest average temperatures, reaching 36.7°F (2.6°C) at the peak and 22.1°F (-5.5°C) at the low. Weather in January »
Weather in February
The last month of the winter, February, is another cold month in Williamsville, Virginia, with an average temperature varying between 41.2°F (5.1°C) and 24.8°F (-4°C). As Williamsville welcomes February, the average high-temperature is noted at a still wintry 41.2°F (5.1°C), closely aligning with the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Williamsville, is a chilly month, with an average temperature varying between 32°F (0°C) and 48.9°F (9.4°C). As March sets, the average high-temperature shows a slight increase, moving up from an icy 41.2°F (5.1°C) in February to a chilly 48.9°F (9.4°C). Weather in March »
Weather in April
April in Williamsville, Virginia, is an enjoyable spring month, with temperature in the range of an average high of 61°F (16.1°C) and an average low of 41.4°F (5.2°C). The onset of April brings a rise in the average high-temperature, elevating from a chilly 48.9°F (9.4°C) in March to a refreshing 61°F (16.1°C). Weather in April »
Weather in May
May, the last month of the spring in Williamsville, is a pleasant month, with an average temperature varying between 48.9°F (9.4°C) and 70.5°F (21.4°C). The start of May brings a rise in the average high-temperature, moving from an enjoyable 61°F (16.1°C) in April to an agreeable 70.5°F (21.4°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Williamsville, Virginia, with an average temperature fluctuating between 55.2°F (12.9°C) and 78.3°F (25.7°C). The onset of June introduces a subtle rise in the average high-temperature, nudging from a pleasant 70.5°F (21.4°C) in May to a warm 78.3°F (25.7°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Williamsville, Virginia, with an average temperature varying between 59.5°F (15.3°C) and 82.4°F (28°C). Williamsville's warmest temperatures are experienced in July, with average high temperatures of 82.4°F (28°C) and lows of 59.5°F (15.3°C). During July, the heat index is estimated at a tropical 89.6°F (32°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Williamsville, Virginia, with an average temperature ranging between max 80.6°F (27°C) and min 57°F (13.9°C). The arrival of August records an average high-temperature of a still warm 80.6°F (27°C), closely related to the 82.4°F (28°C) observed in July. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Williamsville, Virginia, with temperature in the range of an average high of 74.7°F (23.7°C) and an average low of 53.1°F (11.7°C). Williamsville's weather in September involves a mild decrease in the average high-temperature, moving down slightly from August's 80.6°F (27°C) to a still warm 74.7°F (23.7°C). Weather in September »
Weather in October
October, like September, in Williamsville, Virginia, is another comfortable autumn month, with an average temperature fluctuating between 62.1°F (16.7°C) and 43.2°F (6.2°C). October involves a decrease in temperature, down from a moderately hot 74.7°F (23.7°C) in September to a comfortable 62.1°F (16.7°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a fresh month in Williamsville, Virginia, with an average temperature varying between 32.9°F (0.5°C) and 50.5°F (10.3°C). During Williamsville's transition into November, the average high-temperature lessens, moving from a comfortable 62.1°F (16.7°C) in October to a fresh 50.5°F (10.3°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Williamsville, Virginia, with an average temperature varying between 41.9°F (5.5°C) and 28.4°F (-2°C). The average high-temperature shows a slight dip in December, from November's fresh 50.5°F (10.3°C) to a cold 41.9°F (5.5°C). Weather in December »
Updated: Jul 2, 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 are the coldest months?
During the coldest month in Williamsville, January, temperatures average a high of 36.7°F (2.6°C) and a low of 22.1°F (-5.5°C).
How many days does it rain?
Throughout the year, there are 161.8 rainfall days, and 29.53" (750mm) of precipitation is accumulated.
When does it snow?
January through May, October through December are months with snowfall.
How much does it snow?
Throughout the year, there are 41.9 snowfall days, and 36.5" (927mm) of snow is accumulated.
What is the month with the least sunshine?
With an average of 5h of sunshine, January has the least sunshine of the year.
What is the month with 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.
What is the snowiest month?
The month with the most snowfall is February, when snow falls for 9.9 days and typically aggregates up to 9.02" (229mm) 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 rainiest month?
The month with the most rainfall is May, when the rain falls for 19.7 days and typically aggregates up to 3.23" (82mm) of precipitation.
When is the highest UV index?
May through August, with an average maximum UV index of 5, are months with the highest UV index.
What is the least humid month?
The months with the lowest humidity are June and July, with an average relative humidity of 76%.
When it does not snow?
June through September are months without snowfall.
When are the longest days?
The month with the longest days is June, with an average of 14h and 48min of daylight.
What month has the most sunshine?
With an average of 10.3h of sunshine, June has the most sunshine of the year.
What month is the hottest?
July, recording an average high temperature of 82.4°F (28°C) and a low temperature of 59.5°F (15.3°C), is Williamsville's warmest month.
What is the driest month?
The month with the least rainfall is September, when the rain falls for 13.3 days and typically collects 1.73" (44mm) of precipitation.
What is the most humid month in Williamsville?
The most humid month is December, with an average relative humidity of 80%.
What is the month with the shortest days?
With an average of 9h and 36min of daylight, December has the shortest days of the year.
Average temperature
Williamsville, VA
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (36.7°F).
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).
Average pressure
Williamsville, VA
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.1"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:
29.97"Hg
- Average pressure in July:
30"Hg - Average pressure in August:
30.01"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.06"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 (29.97"Hg).
Average wind speed
Williamsville, VA
- Average wind speed in January:
7mph - Average wind speed in February:
7.1mph - Average wind speed in March:
6.2mph - Average wind speed in April:
6.5mph - Average wind speed in May:
5.3mph - Average wind speed in June:
5mph
- Average wind speed in July:
4.3mph - Average wind speed in August:
3.9mph - Average wind speed in September:
4.2mph - Average wind speed in October:
5.4mph - Average wind speed in November:
5.7mph - Average wind speed in December:
6.1mph
The windiest month (with the highest average wind speed) is February (7.1mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity
Williamsville, VA
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June and July (76%).
Average rainfall
Williamsville, VA
- Average rainfall in January:
2.28" - Average rainfall in February:
2.48" - Average rainfall in March:
2.48" - Average rainfall in April:
3.11" - Average rainfall in May:
3.23" - Average rainfall in June:
2.4"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days
Williamsville, VA
- Average rainfall days in January:
9.8 days - Average rainfall days in February:
10 days - Average rainfall days in March:
13 days - Average rainfall days in April:
15.7 days - Average rainfall days in May:
19.7 days - Average rainfall days in June:
16.2 days
- Average rainfall days in July:
17.8 days - Average rainfall days in August:
16.6 days - Average rainfall days in September:
13.3 days - Average rainfall days in October:
11 days - Average rainfall days in November:
8.1 days - Average rainfall days in December:
10.6 days
The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is November (8.1 days).
Average snowfall
Williamsville, VA
- Average snowfall in January:
7.32" - Average snowfall in February:
9.02" - Average snowfall in March:
7.56" - Average snowfall in April:
1.14" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is February (9.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Williamsville, VA
- Average snowfall days in January:
10.8 days - Average snowfall days in February:
9.9 days - Average snowfall days in March:
7.9 days - Average snowfall days in April:
1.8 days - Average snowfall days in May:
0.3 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:
1.1 days - Average snowfall days in November:
2.5 days - Average snowfall days in December:
7.6 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Williamsville, VA
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 3min - 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 1min - Average daylight in December:
9h and 4min
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).
- Average sunshine in January:
5h and 0min - Average sunshine in February:
5h and 2min - Average sunshine in March:
6h and 4min - Average sunshine in April:
8h and 4min - Average sunshine in May:
8h and 5min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
9h and 5min - Average sunshine in September:
8h and 2min - Average sunshine in October:
5h and 5min - Average sunshine in November:
6h and 0min - Average sunshine in December:
5h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days
Williamsville, VA
- Average sunshine days in January:
14.9 days - Average sunshine days in February:
12.3 days - Average sunshine days in March:
12.7 days - Average sunshine days in April:
12.3 days - Average sunshine days in May:
9.2 days - Average sunshine days in June:
11.8 days
- Average sunshine days in July:
9.7 days - Average sunshine days in August:
11.9 days - Average sunshine days in September:
14.3 days - Average sunshine days in October:
16.9 days - Average sunshine days in November:
19.2 days - Average sunshine days in December:
16.7 days
The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is May (9.2 days).
Average UV index
Williamsville, VA
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Williamsville, VA
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are June, July and November (Cloud cover 36).
Average visibility
Williamsville, VA
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (5mi).
The months with the lowest visibility are May and September (4mi).
Williamsville, Virginia, USA
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