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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, Ohio, is a freezing cold winter month, with an average temperature ranging between min 19.8°F (-6.8°C) and max 31.1°F (-0.5°C). January, having an average high-temperature of 31.1°F (-0.5°C) and an average low-temperature of 19.8°F (-6.8°C), is the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Williamstown, is a cold month, with an average temperature ranging between min 23°F (-5°C) and max 35.2°F (1.8°C). As February unfolds, the average high-temperature reaches a cold 35.2°F (1.8°C), hinting at a slight fluctuation from the previous month. Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Williamstown, Ohio, with an average temperature varying between 46.6°F (8.1°C) and 31.8°F (-0.1°C). The shift from February to March is marked by an increase in the average high-temperature, moving from an icy 35.2°F (1.8°C) to a frosty 46.6°F (8.1°C). Weather in March »
Weather in April
April in Williamstown, Ohio, is a mild spring month, with temperature in the range of an average high of 58.6°F (14.8°C) and an average low of 41.7°F (5.4°C). April witnesses an increase in the average high-temperature, moving from a chilly 46.6°F (8.1°C) in March to a moderate 58.6°F (14.8°C). Weather in April »
Weather in May
May, the last month of the spring in Williamstown, is a pleasant month, with an average temperature fluctuating between 53.4°F (11.9°C) and 70.3°F (21.3°C). The shift into May is marked by a rise in the average high-temperature, moving from April's moderate 58.6°F (14.8°C) to a pleasant 70.3°F (21.3°C). Weather in May »
Weather in June
June, the first month of the summer in Williamstown, is a moderately hot month, with temperature in the range of an average low of 60.4°F (15.8°C) and an average high of 77.5°F (25.3°C). June's onset witnesses a minor shift in the average high-temperature, moving from a pleasant 70.3°F (21.3°C) in May to a moderately hot 77.5°F (25.3°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Williamstown, Ohio, with an average temperature varying between 80.2°F (26.8°C) and 63.7°F (17.6°C). Williamstown experiences its highest temperatures in July, with an average peak of 80.2°F (26.8°C) and a low of 63.7°F (17.6°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Williamstown, Ohio, with an average temperature fluctuating between 60.8°F (16°C) and 78.6°F (25.9°C). August denotes a minimal variation in the average high-temperature to a still warm 78.6°F (25.9°C) from July's 80.2°F (26.8°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Williamstown, Ohio, with an average temperature varying between 73.4°F (23°C) and 55.4°F (13°C). The advent of September sees the average high-temperature at a still moderately hot 73.4°F (23°C), subtly shifted from August's 78.6°F (25.9°C). Weather in September »
Weather in October
October, the same as September, is another enjoyable autumn month in Williamstown, Ohio, with an average temperature ranging between min 46°F (7.8°C) and max 61.5°F (16.4°C). In October, the average high-temperature decreases from a moderately hot 73.4°F (23°C) in September to a comfortable 61.5°F (16.4°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Williamstown, Ohio, with an average temperature ranging between max 48°F (8.9°C) and min 35.1°F (1.7°C). Transition from October to November is accompanied by a temperature drop, with average high-temperatures decreasing from a refreshing 61.5°F (16.4°C) to a chilly 48°F (8.9°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 fluctuating between 37°F (2.8°C) and 27.5°F (-2.5°C). The commencement of December indicates a shift in the average high-temperature, receding from November's frosty 48°F (8.9°C) to an icy 37°F (2.8°C). Weather in December »
[Resources]Frequently asked questions
What part of the year is the coldest in Williamstown?
The lowest temperatures are recorded in January, with averages reaching a high of 31.1°F (-0.5°C) and a low of 19.8°F (-6.8°C).
What is the most humid month in Williamstown?
January and February, with an average relative humidity of 84%, are most humid months in Williamstown, Ohio.
How much does it rain in Williamstown?
Throughout the year, there are 168.7 rainfall days, and 29.72" (755mm) of precipitation is accumulated.
When does it snow in Williamstown?
January through May, October through December are months with snowfall in Williamstown.
How much does it snow in Williamstown?
Throughout the year, there are 48.9 snowfall days, and 13.23" (336mm) of snow is accumulated.
What is the month with the least sunshine in Williamstown?
With an average of 3.4h of sunshine, January has the least sunshine of the year in Williamstown, Ohio.
What is the snowiest month in Williamstown?
February is the month with the most snowfall in Williamstown, Ohio. Snow falls for 11.4 days and accumulates 3.74" (95mm) of snow.
When is Daylight Saving Time (DST) in Williamstown?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Williamstown, 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 wettest month in Williamstown?
The month with the most rainfall in Williamstown is June, when the rain falls for 18.8 days and typically aggregates up to 3.54" (90mm) of precipitation.
When it does not snow in Williamstown?
In Williamstown, Ohio, snow does not fall in June through September.
When are the longest days in Williamstown?
With an average of 15h and 6min of daylight, June has the longest days of the year in Williamstown, Ohio.
What is the month with the highest UV index in Williamstown?
The months with the highest UV index in Williamstown, Ohio, are June and July, with an average maximum UV index of 6.
What time of the year is the hottest in Williamstown?
July brings the highest temperatures, with an average high of 80.2°F (26.8°C) and an average low of 63.7°F (17.6°C).
What month has the most sunshine in Williamstown?
July has the most sunshine of the year, with an average of 10.1h of sunshine.
What is the least humid month in Williamstown?
The months with the lowest humidity in Williamstown are October and November, with an average relative humidity of 75%.
What is the driest month in Williamstown?
The month with the least rainfall is December, when the rain falls for 10.5 days and typically collects 1.81" (46mm) of precipitation.
What is the month with the shortest days in Williamstown?
With an average of 9h and 18min of daylight, December has the shortest days of the year in Williamstown.
When is the lowest UV index in Williamstown?
The month with the lowest UV index in Williamstown is December, with an average maximum UV index of 1.
Average temperature
Williamstown, OH
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (31.1°F).
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure
Williamstown, OH
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.04"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Williamstown, OH
- Average wind speed in January:
10.7mph - Average wind speed in February:
10.4mph - Average wind speed in March:
9.8mph - Average wind speed in April:
9.9mph - Average wind speed in May:
8.1mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
6mph - Average wind speed in August:
6mph - Average wind speed in September:
6.6mph - Average wind speed in October:
8.8mph - Average wind speed in November:
9.6mph - Average wind speed in December:
9.8mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity
Williamstown, OH
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall
Williamstown, OH
- Average rainfall in January:
2.01" - Average rainfall in February:
1.85" - Average rainfall in March:
2.44" - Average rainfall in April:
2.99" - Average rainfall in May:
3.43" - Average rainfall in June:
3.54"
- Average rainfall in July:
2.83" - Average rainfall in August:
2.56" - Average rainfall in September:
1.97" - Average rainfall in October:
2.32" - Average rainfall in November:
1.97" - Average rainfall in December:
1.81"
The wettest month (with the highest rainfall) is June (3.54").
The driest month (with the least rainfall) is December (1.81").
Average rainfall days
Williamstown, OH
- Average rainfall days in January:
8.4 days - Average rainfall days in February:
9.4 days - Average rainfall days in March:
12.8 days - Average rainfall days in April:
16.8 days - Average rainfall days in May:
19.3 days - Average rainfall days in June:
18.8 days
- Average rainfall days in July:
17.6 days - Average rainfall days in August:
16.8 days - Average rainfall days in September:
14.4 days - Average rainfall days in October:
13.8 days - Average rainfall days in November:
10.1 days - Average rainfall days in December:
10.5 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (8.4 days).
Average snowfall
Williamstown, OH
- Average snowfall in January:
2.87" - Average snowfall in February:
3.74" - Average snowfall in March:
1.85" - Average snowfall in April:
0.51" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is February (3.74").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Williamstown, OH
- Average snowfall days in January:
13.4 days - Average snowfall days in February:
11.4 days - Average snowfall days in March:
6.6 days - Average snowfall days in April:
1.8 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:
0.4 days - Average snowfall days in November:
4.4 days - Average snowfall days in December:
10.8 days
The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Williamstown, OH
- 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 3min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
3h and 2min - Average sunshine in February:
4h and 2min - Average sunshine in March:
6h and 0min - Average sunshine in April:
7h and 2min - Average sunshine in May:
8h and 5min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
9h and 5min - Average sunshine in September:
7h and 5min - Average sunshine in October:
6h and 0min - Average sunshine in November:
5h and 1min - Average sunshine in December:
3h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days
Williamstown, OH
- Average sunshine days in January:
10.7 days - Average sunshine days in February:
9.8 days - Average sunshine days in March:
13.3 days - Average sunshine days in April:
10.9 days - Average sunshine days in May:
9.7 days - Average sunshine days in June:
9.3 days
- Average sunshine days in July:
9.7 days - Average sunshine days in August:
10.9 days - Average sunshine days in September:
13.9 days - Average sunshine days in October:
14.6 days - Average sunshine days in November:
16.3 days - Average sunshine days in December:
11.7 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is June (9.3 days).
Average UV index
Williamstown, OH
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Williamstown, OH
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility
Williamstown, OH
The months with the highest visibility are March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are January, February, August and September (5mi).
Williamstown, Ohio, USA
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