Climate and monthly weather forecastWilliamsville, NY
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Williamsville, New York, with an average temperature fluctuating between 18.7°F (-7.4°C) and 29.3°F (-1.5°C). In Williamsville, the month of January is known for its lowest average temperatures, reaching a high of 29.3°F (-1.5°C) and a low of 18.7°F (-7.4°C). Weather in January »Weather in February
February, the last month of the winter in Williamsville, is also a subzero cold month, with temperature in the range of an average low of 19.8°F (-6.8°C) and an average high of 31.3°F (-0.4°C). Williamsville's entry into February measures an average high-temperature of a still freezing cold 31.3°F (-0.4°C), closely parallel to the preceding month. Weather in February »Weather in March
The first month of the spring, March, is a cold month in Williamsville, New York, with an average temperature fluctuating between 27.5°F (-2.5°C) and 40.6°F (4.8°C). The shift into March is marked by a rise in the average high-temperature, moving from February's freezing cold 31.3°F (-0.4°C) to a wintry 40.6°F (4.8°C). Weather in March »Weather in April
April is a fresh spring month in Williamsville, New York, with an average temperature varying between 52.7°F (11.5°C) and 36.5°F (2.5°C). April's arrival brings a change in high-temperatures, moving from a wintry 40.6°F (4.8°C) in March to a cool 52.7°F (11.5°C). Weather in April »Weather in May
The last month of the spring, May, is a comfortable month in Williamsville, New York, with an average temperature fluctuating between 48°F (8.9°C) and 66°F (18.9°C). Williamsville in May sees a temperature change, with average high-temperatures moving from a cool 52.7°F (11.5°C) in April to an enjoyable 66°F (18.9°C). Weather in May »Weather in June
June, the first month of the summer in Williamsville, is a pleasant month, with an average temperature fluctuating between 55.9°F (13.3°C) and 73.2°F (22.9°C). June's onset brings a minor rise in the average high-temperature, moving from an enjoyable 66°F (18.9°C) in May to a pleasant 73.2°F (22.9°C). Weather in June »Weather in July
July is a warm summer month in Williamsville, New York, with an average temperature fluctuating between 79.3°F (26.3°C) and 62.2°F (16.8°C). July, marked by an average high-temperature of 79.3°F (26.3°C) and a low-temperature of 62.2°F (16.8°C), is the warmest month. Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Williamsville, New York, with an average temperature fluctuating between 61.3°F (16.3°C) and 78.1°F (25.6°C). As Williamsville transitions from July to August, the average high-temperatures adjust to a still warm 78.1°F (25.6°C), nearly the same as the previous 79.3°F (26.3°C). Weather in August »Weather in September
The first month of the autumn, September, is also an agreeable month in Williamsville, New York, with an average temperature fluctuating between 71.8°F (22.1°C) and 55°F (12.8°C). Williamsville's September weather shows a modest shift in high-temperatures, falling from August's warm 78.1°F (25.6°C) to a pleasant 71.8°F (22.1°C). Weather in September »Weather in October
October, the same as September, in Williamsville, New York, is another mild autumn month, with temperature in the range of an average high of 58.5°F (14.7°C) and an average low of 45.5°F (7.5°C). The transition into October is accompanied by a temperature decrease, with the average high-temperature shifting from an agreeable 71.8°F (22.1°C) in September to a moderate 58.5°F (14.7°C). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in Williamsville, New York, with an average temperature ranging between min 34.2°F (1.2°C) and max 45.5°F (7.5°C). November's arrival comes with a decrease in the average high-temperature, moving from a refreshing 58.5°F (14.7°C) in October to a chilly 45.5°F (7.5°C). Weather in November »Weather in December
December, the first month of the winter in Williamsville, is still a cold month, with an average temperature ranging between max 35.4°F (1.9°C) and min 27°F (-2.8°C). Onset of December comes with a temperature decline, the average high falling from a chilly 45.5°F (7.5°C) in November to a wintry 35.4°F (1.9°C). Weather in December »Updated: Feb 13, 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
The lowest temperatures in Williamsville are recorded in January, with averages reaching a high of 29.3°F (-1.5°C) and a low of 18.7°F (-7.4°C).
January and February, with an average relative humidity of 86%, are most humid months in Williamsville.
In Williamsville, during the entire year, the rain falls for 139.2 days and collects up to 14.84" (377mm) of precipitation.
Months with snowfall in Williamsville are January through May, October through December.
The months with the most snowfall in Williamsville are January and February, with an average 2.95" (75mm) of accumulated snow.
In Williamsville, New York, during the entire year, snow falls for 62.1 days and aggregates up to 12.68" (322mm) of snow.
The month with the least sunshine is January, with an average of 2.4h of sunshine.
The months with the lowest UV index in Williamsville, New York, are January, February and December, with an average maximum UV index of 1.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Williamsville, 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.
In Williamsville, snow does not fall in June through September.
June has the longest days of the year, with an average of 15h and 18min of daylight.
July, having an average high-temperature of 79.3°F (26.3°C) and an average low-temperature of 62.2°F (16.8°C), is the warmest month.
The months with the lowest humidity are July and August, with an average relative humidity of 75%.
July is the month with the most rainfall. Rain falls for 15.8 days and accumulates 1.61" (41mm) of precipitation.
July and August, with an average of 10.4h of sunshine, are months with the most sunshine in Williamsville, New York.
The month with the highest UV index is July, with an average maximum UV index of 6.
September is the month with the least rainfall in Williamsville, New York. Rain falls for 11.3 days and accumulates 0.91" (23mm) of precipitation.
December has the shortest days of the year in Williamsville, with an average of 9h and 6min of daylight.
Average temperature
Williamsville, NY
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (29.3°F).
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure
Williamsville, NY
- Average pressure in January:
30.05"Hg - Average pressure in February:
30.04"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
29.99"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.04"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.06"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Williamsville, NY
- Average wind speed in January:
10.7mph - Average wind speed in February:
10.2mph - Average wind speed in March:
9.1mph - Average wind speed in April:
9mph - Average wind speed in May:
7.5mph - Average wind speed in June:
7.1mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.6mph - Average wind speed in September:
6.9mph - Average wind speed in October:
8.6mph - Average wind speed in November:
9.4mph - Average wind speed in December:
9.7mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity
Williamsville, NY
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are July and August (75%).
Average rainfall
Williamsville, NY
- Average rainfall in January:
1.02" - Average rainfall in February:
1.1" - Average rainfall in March:
1.06" - Average rainfall in April:
1.38" - Average rainfall in May:
1.5" - Average rainfall in June:
1.3"
- Average rainfall in July:
1.61" - Average rainfall in August:
1.26" - Average rainfall in September:
0.91" - Average rainfall in October:
1.34" - Average rainfall in November:
1.14" - Average rainfall in December:
1.22"
The wettest month (with the highest rainfall) is July (1.61").
The driest month (with the least rainfall) is September (0.91").
Average rainfall days
Williamsville, NY
- Average rainfall days in January:
7.1 days - Average rainfall days in February:
6.4 days - Average rainfall days in March:
9.7 days - Average rainfall days in April:
13.8 days - Average rainfall days in May:
14.6 days - Average rainfall days in June:
12.4 days
- Average rainfall days in July:
15.8 days - Average rainfall days in August:
14.4 days - Average rainfall days in September:
11.3 days - Average rainfall days in October:
15 days - Average rainfall days in November:
10.2 days - Average rainfall days in December:
8.5 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (6.4 days).
Average snowfall
Williamsville, NY
- Average snowfall in January:
2.95" - Average snowfall in February:
2.95" - Average snowfall in March:
1.46" - Average snowfall in April:
0.87" - Average snowfall in May:
0.12" - Average snowfall in June:
0"
The months with the highest snowfall are January and February (2.95").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Williamsville, NY
- Average snowfall days in January:
15.8 days - Average snowfall days in February:
13.9 days - Average snowfall days in March:
8.3 days - Average snowfall days in April:
3.5 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:
0.7 days - Average snowfall days in November:
6.4 days - Average snowfall days in December:
13.2 days
The month with the highest number of snowfall days is January (15.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Williamsville, NY
- Average daylight in January:
9h and 24min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 42min - Average daylight in June:
15h and 18min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 42min - Average daylight in December:
9h and 6min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January:
2h and 24min - Average sunshine in February:
2h and 30min - Average sunshine in March:
4h and 54min - Average sunshine in April:
7h and 12min - Average sunshine in May:
8h and 54min - Average sunshine in June:
9h and 24min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
10h and 24min - Average sunshine in September:
9h and 0min - Average sunshine in October:
4h and 30min - Average sunshine in November:
4h and 12min - Average sunshine in December:
2h and 42min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days
Williamsville, NY
- Average sunshine days in January:
11.1 days - Average sunshine days in February:
10.2 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
12.6 days - Average sunshine days in May:
13.7 days - Average sunshine days in June:
14.8 days
- Average sunshine days in July:
13.2 days - Average sunshine days in August:
13.3 days - Average sunshine days in September:
15.5 days - Average sunshine days in October:
13.4 days - Average sunshine days in November:
13.5 days - Average sunshine days in December:
12.3 days
The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is February (10.2 days).
Average UV index
Williamsville, NY
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover
Williamsville, NY
The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility
Williamsville, NY
The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).
