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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, in Williamson, New York, is another subzero cold winter month, with an average temperature ranging between min 21°F (-6.1°C) and max 29.7°F (-1.3°C). Williamson, New York, experiences its lowest temperatures in January, with an average peak of 29.7°F (-1.3°C) and a low of 21°F (-6.1°C). Weather in January »
Weather in February
The last month of the winter, February, is another freezing cold month in Williamson, New York, with temperature in the range of an average high of 31.6°F (-0.2°C) and an average low of 22.3°F (-5.4°C). February's onset records a minor alteration in the average high-temperature to a still freezing cold 31.6°F (-0.2°C) from January's 29.7°F (-1.3°C). Weather in February »
Weather in March
March, the first month of the spring in Williamson, is an icy month, with temperature in the range of an average high of 38.8°F (3.8°C) and an average low of 29.1°F (-1.6°C). Williamson's transition into March is marked by a minor temperature shift, moving from a freezing cold 31.6°F (-0.2°C) in February to a wintry 38.8°F (3.8°C). Weather in March »
Weather in April
April is a chilly spring month in Williamson, New York, with an average temperature fluctuating between 49.6°F (9.8°C) and 38.1°F (3.4°C). Williamson's transition into April is marked by a rise in the average high-temperature, advancing from an icy 38.8°F (3.8°C) in March to a frosty 49.6°F (9.8°C). Weather in April »
Weather in May
The last month of the spring, May, is a refreshing month in Williamson, New York, with an average temperature ranging between max 60.6°F (15.9°C) and min 48.7°F (9.3°C). May's arrival coincides with a temperature rise, moving from April's chilly 49.6°F (9.8°C) to a moderate 60.6°F (15.9°C). Weather in May »
Weather in June
June, the first month of the summer in Williamson, is an agreeable month, with an average temperature varying between 69.1°F (20.6°C) and 57°F (13.9°C). The shift from May to June introduces a subtle increase in the average high-temperature, moving from a moderate 60.6°F (15.9°C) to a pleasant 69.1°F (20.6°C). Weather in June »
Weather in July
July is a moderately hot summer month in Williamson, New York, with an average temperature fluctuating between 64.2°F (17.9°C) and 76.5°F (24.7°C). During the warmest month, July, temperatures average a high of 76.5°F (24.7°C) and a low of 64.2°F (17.9°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Williamson, New York, with an average temperature varying between 75.9°F (24.4°C) and 64°F (17.8°C). Williamson experiences a subtle adjustment in high-temperatures to a still moderately hot 75.9°F (24.4°C) with the onset of August, maintaining near parity with July's 76.5°F (24.7°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a pleasant month in Williamson, New York, with an average temperature ranging between min 57.9°F (14.4°C) and max 70.2°F (21.2°C). The move into September indicates a slight reduction in the average high-temperature, down from August's moderately hot 75.9°F (24.4°C) to an agreeable 70.2°F (21.2°C). Weather in September »
Weather in October
October, like September, is another refreshing autumn month in Williamson, New York, with an average temperature varying between 48°F (8.9°C) and 58.1°F (14.5°C). A shift in Williamson's weather is observed as September turns into October, with the average high temperature reducing from an agreeable 70.2°F (21.2°C) to a refreshing 58.1°F (14.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Williamson, New York, with an average temperature varying between 45.9°F (7.7°C) and 36.5°F (2.5°C). November's onset brings a slight change in high-temperatures, falling from a mild 58.1°F (14.5°C) in October to a frosty 45.9°F (7.7°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Williamson, New York, with temperature in the range of an average low of 28.8°F (-1.8°C) and an average high of 36.1°F (2.3°C). The shift from November to December involves a decrease in the average high-temperature, from a chilly 45.9°F (7.7°C) to a cold 36.1°F (2.3°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
What are the coldest months in Williamson?
January is Williamson's coldest month, registering average high temperatures of 29.7°F (-1.3°C) and lows of 21°F (-6.1°C).
What is the most humid month in Williamson?
January and February, with an average relative humidity of 83%, are most humid months in Williamson, New York.
What is the driest month in Williamson?
January is the month with the least rainfall. Rain falls for 8.3 days and accumulates 2.05" (52mm) of precipitation.
How many days does it rain in Williamson?
In Williamson, New York, during the entire year, the rain falls for 171.8 days and collects up to 32.76" (832mm) of precipitation.
When does it snow in Williamson?
Months with snowfall in Williamson are January through May, October through December.
How much does it snow in Williamson?
Throughout the year, there are 67.1 snowfall days, and 22.99" (584mm) of snow is accumulated.
What is the month with the least sunshine in Williamson?
The month with the least sunshine in Williamson, New York, is January, with an average of 2.6h of sunshine.
What is the month with the lowest UV index in Williamson?
January and December, with an average maximum UV index of 1, are months with the lowest UV index.
When does it snow the most in Williamson?
February is the month with the most snowfall. Snow falls for 15.1 days and accumulates 6.26" (159mm) of snow.
When is Daylight Saving Time (DST) in Williamson?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Williamson, New York, 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 in Williamson?
June through September are months without snowfall in Williamson.
When are the longest days in Williamson?
June has the longest days of the year in Williamson, New York, with an average of 15h and 18min of daylight.
What is the warmest month in Williamson?
Williamson, New York, notes the warmest temperatures in July, with a average high of 76.5°F (24.7°C) and a low of 64.2°F (17.9°C).
What month has the most sunshine in Williamson?
With an average of 10.8h of sunshine, July has the most sunshine of the year in Williamson, New York.
When is the highest UV index in Williamson?
The month with the highest UV index is July, with an average maximum UV index of 6.
What is the least humid month in Williamson?
September is the least humid month, with an average relative humidity of 76%.
What is the wettest month in Williamson?
October is the month with the most rainfall. Rain falls for 17.8 days and accumulates 3.62" (92mm) of precipitation.
What is the month with the shortest days in Williamson?
The month with the shortest days is December, with an average of 9h and 0min of daylight.
Average temperature
Williamson, NY
The warmest month (with the highest average high temperature) is July (76.5°F).
The month with the lowest average high temperature is January (29.7°F).
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure
Williamson, NY
- Average pressure in January:
30.05"Hg - Average pressure in February:
30.03"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.05"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 (29.92"Hg).
Average wind speed
Williamson, NY
- Average wind speed in January:
13.1mph - Average wind speed in February:
12.9mph - Average wind speed in March:
11.7mph - Average wind speed in April:
11.5mph - Average wind speed in May:
8.8mph - Average wind speed in June:
8mph
- Average wind speed in July:
7.5mph - Average wind speed in August:
8.1mph - Average wind speed in September:
8.8mph - Average wind speed in October:
11mph - Average wind speed in November:
12mph - Average wind speed in December:
12.6mph
The windiest month (with the highest average wind speed) is January (13.1mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).
Average humidity
Williamson, NY
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is September (76%).
Average rainfall
Williamson, NY
- Average rainfall in January:
2.05" - Average rainfall in February:
2.13" - Average rainfall in March:
2.09" - Average rainfall in April:
2.91" - Average rainfall in May:
3.46" - Average rainfall in June:
3.11"
- Average rainfall in July:
2.8" - Average rainfall in August:
2.99" - Average rainfall in September:
2.32" - Average rainfall in October:
3.62" - Average rainfall in November:
2.52" - Average rainfall in December:
2.76"
The wettest month (with the highest rainfall) is October (3.62").
The driest month (with the least rainfall) is January (2.05").
Average rainfall days
Williamson, NY
- Average rainfall days in January:
8.3 days - Average rainfall days in February:
7.9 days - Average rainfall days in March:
13.1 days - Average rainfall days in April:
17.1 days - Average rainfall days in May:
16.7 days - Average rainfall days in June:
16.8 days
- Average rainfall days in July:
18.1 days - Average rainfall days in August:
17.3 days - Average rainfall days in September:
15.3 days - Average rainfall days in October:
17.8 days - Average rainfall days in November:
12.9 days - Average rainfall days in December:
10.5 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (7.9 days).
Average snowfall
Williamson, NY
- Average snowfall in January:
4.17" - Average snowfall in February:
6.26" - Average snowfall in March:
2.44" - Average snowfall in April:
1.14" - Average snowfall in May:
0.28" - Average snowfall in June:
0"
The month with the highest snowfall is February (6.26").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Williamson, NY
- Average snowfall days in January:
16.6 days - Average snowfall days in February:
15.1 days - Average snowfall days in March:
10.3 days - Average snowfall days in April:
3.3 days - Average snowfall days in May:
0.5 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:
6.1 days - Average snowfall days in December:
14.5 days
The month with the highest number of snowfall days is January (16.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Williamson, NY
- Average daylight in January:
9h and 2min - Average daylight in February:
10h and 3min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 2min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 4min - Average daylight in December:
9h and 0min
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 0min).
- Average sunshine in January:
2h and 4min - Average sunshine in February:
2h and 4min - Average sunshine in March:
5h and 2min - Average sunshine in April:
7h and 4min - Average sunshine in May:
9h and 2min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h and 5min - Average sunshine in August:
10h and 3min - Average sunshine in September:
9h and 2min - Average sunshine in October:
5h and 0min - Average sunshine in November:
4h and 2min - Average sunshine in December:
3h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days
Williamson, NY
- Average sunshine days in January:
6.5 days - Average sunshine days in February:
6.3 days - Average sunshine days in March:
9.8 days - Average sunshine days in April:
9.3 days - Average sunshine days in May:
12.7 days - Average sunshine days in June:
10.8 days
- Average sunshine days in July:
11 days - Average sunshine days in August:
10.8 days - Average sunshine days in September:
12.4 days - Average sunshine days in October:
9.7 days - Average sunshine days in November:
10 days - Average sunshine days in December:
7 days
The month with the most sunshine days is May (12.7 days).
The month with the least sunshine days is February (6.3 days).
Average UV index
Williamson, NY
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Williamson, NY
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility
Williamson, NY
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Williamson, New York, USA
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