Climate and monthly weather forecast
Port William, OH

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Weather in January

January, like December, in Port William, Ohio, is an icy winter month, with an average temperature ranging between max 33.4°F (0.8°C) and min 21.7°F (-5.7°C). Port William witnesses the coldest weather in January, with temperatures averaging a high of 33.4°F (0.8°C) and a low of 21.7°F (-5.7°C). Weather in January »

Weather in February

February, the last month of the winter in Port William, is also a wintry month, with an average temperature varying between 38.1°F (3.4°C) and 24.8°F (-4°C). The shift into February uncovers an average high-temperature of a still cold 38.1°F (3.4°C), subtly different from the previous month. Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Port William, Ohio, with an average temperature varying between 34°F (1.1°C) and 49.3°F (9.6°C). As Port William, Ohio, transitions into March, a rise in the average high-temperature is observed, moving from a cold 38.1°F (3.4°C) in February to a chilly 49.3°F (9.6°C). Weather in March »

Weather in April

April in Port William, Ohio, is an enjoyable spring month, with temperature in the range of an average high of 61.2°F (16.2°C) and an average low of 43.7°F (6.5°C). As Port William, Ohio, transitions into April, the average high-temperature shows a change, moving from a chilly 49.3°F (9.6°C) in March to an enjoyable 61.2°F (16.2°C). Weather in April »

Weather in May

May, the last month of the spring in Port William, is an agreeable month, with an average temperature fluctuating between 71.2°F (21.8°C) and 54.7°F (12.6°C). In Port William, the average high-temperature in May increases from a comfortable 61.2°F (16.2°C) in April to an agreeable 71.2°F (21.8°C). Weather in May »

Weather in June

June, the first month of the summer in Port William, is a moderately hot month, with an average temperature ranging between min 61.5°F (16.4°C) and max 78.1°F (25.6°C). Port William's transition into June is noticed by a slight rise in the average high-temperature, advancing from a pleasant 71.2°F (21.8°C) in May to a warm 78.1°F (25.6°C). Weather in June »

Weather in July

July, like June, in Port William, Ohio, is another warm summer month, with temperature in the range of an average high of 80.6°F (27°C) and an average low of 64°F (17.8°C). The warmest month is July, with an average high-temperature of 80.6°F (27°C) and an average low-temperature of 64°F (17.8°C). In July, the average heat index is evaluated at a tropical 86°F (30°C). Weather in July »

Weather in August

August, the last month of the summer in Port William, is also a moderately hot month, with an average temperature ranging between min 62.2°F (16.8°C) and max 79.7°F (26.5°C). July's transformation into August witnesses an average high-temperature of a still warm 79.7°F (26.5°C), noting a minor change from the preceding month. Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Port William, Ohio, with temperature in the range of an average high of 74.7°F (23.7°C) and an average low of 56.7°F (13.7°C). September's advent presents an average high-temperature of a still moderately hot 74.7°F (23.7°C), indicating a slight variation from the conditions of the previous month. Weather in September »

Weather in October

October, like September, in Port William, Ohio, is another enjoyable autumn month, with an average temperature ranging between max 62.8°F (17.1°C) and min 46.6°F (8.1°C). October weather is marked by a drop in the average high-temperature, falling from a moderately hot 74.7°F (23.7°C) in September to an enjoyable 62.8°F (17.1°C). Weather in October »

Weather in November

November, the last month of the autumn in Port William, is another chilly month, with an average temperature fluctuating between 35.8°F (2.1°C) and 49.1°F (9.5°C). Port William's progression into November involves a drop in the average high-temperature, receding from a comfortable 62.8°F (17.1°C) in October to a chilly 49.1°F (9.5°C). Weather in November »

Weather in December

The first month of the winter, December, is also a wintry month in Port William, Ohio, with temperature in the range of an average low of 29.1°F (-1.6°C) and an average high of 39.2°F (4°C). The shift from November to December involves a decrease in the average high-temperature, from a chilly 49.1°F (9.5°C) to a cold 39.2°F (4°C). Weather in December »

Frequently asked questions

What part of the year is the coldest?

In Port William, January is known for its average lowest temperatures, reaching a high of 33.4°F (0.8°C) and a low of 21.7°F (-5.7°C).

What is the most humid month?

January is the most humid month, with an average relative humidity of 83%.

How many days does it rain?

In Port William, during the entire year, the rain falls for 169.3 days and collects up to 32.99" (838mm) of precipitation.

When does it snow?

Months with snowfall are January through May, October through December.

How much does it snow?

Throughout the year, there are 43.7 snowfall days, and 14.45" (367mm) of snow is accumulated.

What is the month with the least sunshine?

With an average of 3.6h of sunshine, January has the least sunshine of the year.

What is the month with the lowest UV index?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Port William.

When does it snow the most?

The month with the most snowfall is February, when snow falls for 10.4 days and typically aggregates up to 3.78" (96mm) 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 19.4 days and typically aggregates up to 3.9" (99mm) of precipitation.

When it does not snow?

In Port William, snow does not fall in June through September.

When are the longest days?

June has the longest days of the year, with an average of 14h and 54min of daylight.

What is the month with the highest UV index?

The months with the highest UV index are June through August, with an average maximum UV index of 6.

What month is the hottest?

July, on average, is the warmest month, registering a high temperature of 80.6°F (27°C) and a low of 64°F (17.8°C).

What month has the most sunshine?

August has the most sunshine of the year, with an average of 10.2h of sunshine.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 13.5 days and typically collects 1.89" (48mm) of precipitation.

What are the least humid months?

The months with the lowest humidity are October and November, with an average relative humidity of 75%.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 24min of daylight.

Average temperature
Port William, OH

Average temperature - Port William, OH

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (33.4°F).

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).

Average pressure
Port William, OH

Average pressure - Port William, OH

The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed
Port William, OH

Average wind speed - Port William, OH

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

Average humidity
Port William, OH

Average humidity - Port William, OH

The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are October and November (75%).

Average rainfall
Port William, OH

Average rainfall - Port William, OH

The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days
Port William, OH

Average rainfall days - Port William, OH

The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is February (9.4 days).

Average snowfall
Port William, OH

Average snowfall - Port William, OH

The month with the highest snowfall is February (3.78").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Port William, OH

Average snowfall days - Port William, OH

The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Port William, OH

Average daylight / Average sunshine - Port William, OH

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days
Port William, OH

Average sunshine days - Port William, OH

The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is May (9.2 days).

Average UV index
Port William, OH

Average UV index - Port William, OH

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average visibility
Port William, OH

Average visibility - Port William, OH

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).

Port William, Ohio, USA

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