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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 Williamstown, New York, is another subzero cold winter month, with an average temperature varying between 26.2°F (-3.2°C) and 15.4°F (-9.2°C). January brings the lowest temperatures, with an average high of 26.2°F (-3.2°C) and an average low of 15.4°F (-9.2°C). Weather in January »
Weather in February
The last month of the winter, February, is another freezing cold month in Williamstown, New York, with temperature in the range of an average low of 17.4°F (-8.1°C) and an average high of 28.4°F (-2°C). The average high-temperature during February registers at a still subzero cold 28.4°F (-2°C), maintaining a close resemblance to the previous month. Weather in February »
Weather in March
The first month of the spring, March, is a wintry month in Williamstown, New York, with an average temperature ranging between min 24.6°F (-4.1°C) and max 37.6°F (3.1°C). March marks a rise in the average high-temperature, moving from February's freezing cold 28.4°F (-2°C) to an icy 37.6°F (3.1°C). Weather in March »
Weather in April
April is a cool spring month in Williamstown, New York, with an average temperature fluctuating between 51.1°F (10.6°C) and 34.9°F (1.6°C). With the onset of April, Williamstown's average high-temperature sees a rise, moving from March's wintry 37.6°F (3.1°C) to a fresh 51.1°F (10.6°C). Weather in April »
Weather in May
The last month of the spring, May, is a comfortable month in Williamstown, New York, with an average temperature varying between 65.1°F (18.4°C) and 45.7°F (7.6°C). In Williamstown, the onset of May comes with an increased average high-temperature, moving from April's cool 51.1°F (10.6°C) to a refreshing 65.1°F (18.4°C). Weather in May »
Weather in June
June, the first month of the summer in Williamstown, is an agreeable month, with temperature in the range of an average high of 71.2°F (21.8°C) and an average low of 52.5°F (11.4°C). A soft shift in the average high-temperature is noticeable in June, transitioning from a comfortable 65.1°F (18.4°C) in May to a pleasant 71.2°F (21.8°C). Weather in June »
Weather in July
July in Williamstown, New York, is a moderately hot summer month, with an average temperature fluctuating between 77.4°F (25.2°C) and 58.5°F (14.7°C). In Williamstown, the highest average temperatures are observed in July, with a high of 77.4°F (25.2°C) and a low of 58.5°F (14.7°C). Weather in July »
Weather in August
August, the last month of the summer in Williamstown, is another warm month, with an average temperature varying between 57.2°F (14°C) and 75.4°F (24.1°C). August welcomes an average high-temperature of a still warm 75.4°F (24.1°C), not much different from the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Williamstown, is also an agreeable month, with temperature in the range of an average high of 69.3°F (20.7°C) and an average low of 51.4°F (10.8°C). September ushers in a minor alteration in Williamstown's climate, with the average high-temperature moving from August's moderately hot 75.4°F (24.1°C) to a pleasant 69.3°F (20.7°C). Weather in September »
Weather in October
October, like September, is another refreshing autumn month in Williamstown, New York, with temperature in the range of an average high of 55.9°F (13.3°C) and an average low of 43.3°F (6.3°C). As October commences, the average high-temperature shows a reduction, transitioning from a pleasant 69.3°F (20.7°C) in September to a moderate 55.9°F (13.3°C). Weather in October »
Weather in November
November, the last month of the autumn in Williamstown, is also an icy month, with an average temperature ranging between min 31.8°F (-0.1°C) and max 42.6°F (5.9°C). A subtle decrease in the average high-temperature marks November, falling from October's refreshing 55.9°F (13.3°C) to a cold 42.6°F (5.9°C). Weather in November »
Weather in December
December, the first month of the winter in Williamstown, is also an icy month, with an average temperature varying between 23.9°F (-4.5°C) and 32.7°F (0.4°C). The shift from November to December involves a decrease in the average high-temperature, dropping from an icy 42.6°F (5.9°C) to a still cold 32.7°F (0.4°C). Weather in December »
Updated: Aug 11, 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 part of the year is the coldest?
Williamstown's January weather reaches an average high of 26.2°F (-3.2°C) and an average low of 15.4°F (-9.2°C), making it the coldest month.
What are the most humid months?
January and February, with an average relative humidity of 88%, are most humid months.
How much does it rain?
In Williamstown, during the entire year, the rain falls for 176.3 days and collects up to 37.09" (942mm) of precipitation.
When does it snow?
Months with snowfall are January through May, October through December.
What is the snowiest month?
The month with the most snowfall is January, when snow falls for 21.4 days and typically aggregates up to 11.54" (293mm) of snow.
How much does it snow?
Throughout the year, there are 88.5 snowfall days, and 46.89" (1191mm) of snow is accumulated.
What are the months with the least sunshine?
The months with the least sunshine are January and February, with an average of 2.5h of sunshine.
What are the months with the lowest UV index in Williamstown?
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index.
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 are the least humid months?
April and May, with an average relative humidity of 79%, are the least humid months.
What is the wettest month?
The months with the most rainfall are May and October, with an average 3.66" (93mm) of precipitation.
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 15h and 24min of daylight.
What time of the year is the hottest?
In Williamstown, July registers the highest temperatures, averaging 77.4°F (25.2°C) at the peak and 58.5°F (14.7°C) at the lowest.
What month has the most sunshine?
With an average of 10.1h of sunshine, July has the most sunshine of the year.
What is the month with the highest UV index?
The month with the highest UV index is July, with an average maximum UV index of 6.
What is the driest month?
The month with the least rainfall is September, when the rain falls for 13.5 days and typically collects 2.13" (54mm) of precipitation.
What is the month with the shortest days in Williamstown?
December has the shortest days of the year, with an average of 9h and 0min of daylight.
Average temperature
Williamstown, NY
The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is January (26.2°F).
The month with the highest average low temperature is July (58.5°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).
Average pressure
Williamstown, NY
- Average pressure in January:
30.04"Hg - Average pressure in February:
30.03"Hg - Average pressure in March:
30.06"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:
29.94"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.01"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
Williamstown, NY
- Average wind speed in January:
9.9mph - Average wind speed in February:
9.7mph - Average wind speed in March:
9.1mph - Average wind speed in April:
9.1mph - Average wind speed in May:
7.3mph - Average wind speed in June:
6.5mph
- Average wind speed in July:
5.9mph - Average wind speed in August:
5.8mph - Average wind speed in September:
6.3mph - Average wind speed in October:
7.9mph - Average wind speed in November:
8.9mph - Average wind speed in December:
9.6mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity
Williamstown, NY
The months with the highest relative humidity are January and February (88%).
The months with the lowest relative humidity are April and May (79%).
Average rainfall
Williamstown, NY
- Average rainfall in January:
2.91" - Average rainfall in February:
2.76" - Average rainfall in March:
2.87" - Average rainfall in April:
3.54" - Average rainfall in May:
3.66" - Average rainfall in June:
3.35"
- Average rainfall in July:
2.99" - Average rainfall in August:
2.87" - Average rainfall in September:
2.13" - Average rainfall in October:
3.66" - Average rainfall in November:
2.91" - Average rainfall in December:
3.43"
The wettest months (with the highest rainfall) are May and October (3.66").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days
Williamstown, NY
- Average rainfall days in January:
9.4 days - Average rainfall days in February:
8.5 days - Average rainfall days in March:
13.3 days - Average rainfall days in April:
16.8 days - Average rainfall days in May:
17.7 days - Average rainfall days in June:
17.6 days
- Average rainfall days in July:
17.4 days - Average rainfall days in August:
18.1 days - Average rainfall days in September:
13.5 days - Average rainfall days in October:
18.5 days - Average rainfall days in November:
13.5 days - Average rainfall days in December:
12 days
The month with the highest number of rainy days is October (18.5 days).
The month with the least rainy days is February (8.5 days).
Average snowfall
Williamstown, NY
- Average snowfall in January:
11.54" - Average snowfall in February:
10.31" - Average snowfall in March:
7.01" - Average snowfall in April:
1.97" - Average snowfall in May:
0.08" - Average snowfall in June:
0"
The month with the highest snowfall is January (11.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Williamstown, NY
- Average snowfall days in January:
21.4 days - Average snowfall days in February:
19.7 days - Average snowfall days in March:
14.2 days - Average snowfall days in April:
5.2 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 days - Average snowfall days in November:
9.3 days - Average snowfall days in December:
17.4 days
The month with the highest number of snowfall days is January (21.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Williamstown, 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 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January:
2h and 3min - Average sunshine in February:
2h and 3min - Average sunshine in March:
4h and 4min - Average sunshine in April:
6h and 5min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 0min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
9h and 5min - Average sunshine in September:
8h and 5min - Average sunshine in October:
4h and 4min - Average sunshine in November:
4h and 2min - Average sunshine in December:
2h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are January and February (Average sunshine: 2h and 30min).
Average sunshine days
Williamstown, NY
- Average sunshine days in January:
5 days - Average sunshine days in February:
4.6 days - Average sunshine days in March:
7.4 days - Average sunshine days in April:
8.7 days - Average sunshine days in May:
11.5 days - Average sunshine days in June:
10.5 days
- Average sunshine days in July:
10.9 days - Average sunshine days in August:
10.9 days - Average sunshine days in September:
14.4 days - Average sunshine days in October:
10.4 days - Average sunshine days in November:
9.9 days - Average sunshine days in December:
6.3 days
The month with the most sunshine days is September (14.4 days).
The month with the least sunshine days is February (4.6 days).
Average UV index
Williamstown, 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
Williamstown, NY
The months with the most cloud cover are January and February (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility
Williamstown, NY
The months with the highest visibility are April and October (6mi).
The months with the lowest visibility are January and February (4mi).
Williamstown, New York, USA
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