Climate and monthly weather forecast
Port Henry, NY

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Weather in January

January, like December, is a freezing cold winter month in Port Henry, New York, with an average temperature ranging between min 12.7°F (-10.7°C) and max 25.3°F (-3.7°C). January, with its average high-temperature of 25.3°F (-3.7°C) and an average low-temperature of 12.7°F (-10.7°C), holds the record as the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is also a subzero cold month in Port Henry, New York, with an average temperature fluctuating between 14.5°F (-9.7°C) and 28.6°F (-1.9°C). Port Henry signifies an average high-temperature of a still subzero cold 28.6°F (-1.9°C) in February, closely mirroring the 25.3°F (-3.7°C) of January. Weather in February »

Weather in March

The first month of the spring, March, is a wintry month in Port Henry, New York, with temperature in the range of an average high of 37°F (2.8°C) and an average low of 22.5°F (-5.3°C). Port Henry's March weather indicates a minor ascent in high-temperatures, adjusting from a subzero cold 28.6°F (-1.9°C) in February to a cold 37°F (2.8°C). Weather in March »

Weather in April

April in Port Henry, New York, is a fresh spring month, with an average temperature ranging between max 51.4°F (10.8°C) and min 33.3°F (0.7°C). Port Henry's transition into April marks a considerable rise in the average high-temperature, moving up from an icy 37°F (2.8°C) in March to a cool 51.4°F (10.8°C). Weather in April »

Weather in May

The last month of the spring, May, is a refreshing month in Port Henry, New York, with an average temperature fluctuating between 65.8°F (18.8°C) and 44.8°F (7.1°C). The onset of May witnesses a clear shift in the average high-temperature, escalating from a fresh 51.4°F (10.8°C) in April to a refreshing 65.8°F (18.8°C). Weather in May »

Weather in June

June, the first month of the summer in Port Henry, is a pleasant month, with temperature in the range of an average low of 51.1°F (10.6°C) and an average high of 73°F (22.8°C). Port Henry, New York, perceives a slight temperature ascent during June, with average high-temperatures adjusting from an enjoyable 65.8°F (18.8°C) in May to an agreeable 73°F (22.8°C). Weather in June »

Weather in July

July is a moderately hot summer month in Port Henry, New York, with an average temperature ranging between min 56.8°F (13.8°C) and max 79.3°F (26.3°C). During the warmest month, July, temperatures average a high of 79.3°F (26.3°C) and a low of 56.8°F (13.8°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Port Henry, New York, with an average temperature fluctuating between 77.5°F (25.3°C) and 55°F (12.8°C). The advent of August reveals an average high-temperature of a still moderately hot 77.5°F (25.3°C), showing minimal difference from the prior month. Weather in August »

Weather in September

September, the first month of the autumn in Port Henry, is also an agreeable month, with an average temperature fluctuating between 69.6°F (20.9°C) and 48.9°F (9.4°C). With the onset of September, Port Henry's climate undergoes a slight change as the average high-temperature moves from a moderately hot 77.5°F (25.3°C) in August to an agreeable 69.6°F (20.9°C). Weather in September »

Weather in October

October, like September, is a moderate autumn month in Port Henry, New York, with an average temperature varying between 55.6°F (13.1°C) and 40.1°F (4.5°C). Port Henry experiences a temperature shift at the start of October, with average high-temperatures adjusting from an agreeable 69.6°F (20.9°C) in September to a refreshing 55.6°F (13.1°C). Weather in October »

Weather in November

November, the last month of the autumn in Port Henry, is another cold month, with an average temperature fluctuating between 42.4°F (5.8°C) and 29.1°F (-1.6°C). As November arrives, Port Henry's weather displays a decrease in high-temperatures, transitioning from October's mild 55.6°F (13.1°C) to an icy 42.4°F (5.8°C). Weather in November »

Weather in December

The first month of the winter, December, is also a subzero cold month in Port Henry, New York, with an average temperature varying between 31.3°F (-0.4°C) and 20.7°F (-6.3°C). The onset of December coincides with a reduction in the average high-temperature, falling from a wintry 42.4°F (5.8°C) in November to a freezing cold 31.3°F (-0.4°C). Weather in December »
Updated: Jun 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

The lowest temperatures are recorded in January, with averages reaching a high of 25.3°F (-3.7°C) and a low of 12.7°F (-10.7°C).

What are the most humid months?

January and February, with an average relative humidity of 86%, are most humid months in Port Henry.

How much does it rain?

Throughout the year, there are 94.8 rainfall days, and 7.44" (189mm) of precipitation is accumulated.

When does it snow?

Months with snowfall in Port Henry are January through May, October through December.

How much does it snow?

Throughout the year, in Port Henry, there are 36.5 snowfall days, and 7.64" (194mm) of snow is accumulated.

What is the month with the lowest UV index?

The months with the lowest UV index are January and December, with an average maximum UV index of 1.

What is the snowiest month?

February is the month with the most snowfall. Snow falls for 9.3 days and accumulates 2.36" (60mm) of snow.

What is the month with the least sunshine?

The month with the least sunshine is February, with an average of 3.6h of sunshine.

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 least humid month in Port Henry?

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

What is the month with the highest UV index?

May through August, with an average maximum UV index of 5, are months with the highest UV index.

What is the rainiest month?

The month with the most rainfall is June, when the rain falls for 9.7 days and typically aggregates up to 0.87" (22mm) of precipitation.

When it does not snow?

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

When are the longest days?

With an average of 15h and 24min of daylight, June has the longest days of the year.

What is the warmest month?

July is Port Henry's warmest month, registering average high temperatures of 79.3°F (26.3°C) and lows of 56.8°F (13.8°C).

What month has the most sunshine?

With an average of 10.4h of sunshine, July has the most sunshine of the year.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 6.5 days and typically collects 0.35" (9mm) of precipitation.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 0min of daylight.

Average temperature
Port Henry, NY

Average temperature - Port Henry, 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 (25.3°F).

The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).

Average pressure
Port Henry, NY

Average pressure - Port Henry, NY

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed
Port Henry, NY

Average wind speed - Port Henry, NY

The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity
Port Henry, NY

Average humidity - Port Henry, NY

The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April and May (75%).

Average rainfall
Port Henry, NY

Average rainfall - Port Henry, NY

The wettest month (with the highest rainfall) is June (0.87").
The driest month (with the least rainfall) is September (0.35").

Average rainfall days
Port Henry, NY

Average rainfall days - Port Henry, NY

The month with the highest number of rainy days is July (10.9 days).
The month with the least rainy days is February (3.8 days).

Average snowfall
Port Henry, NY

Average snowfall - Port Henry, NY

The month with the highest snowfall is February (2.36").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Port Henry, NY

Average snowfall days - Port Henry, NY

The month with the highest number of snowfall days is February (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Port Henry, NY

Average daylight / Average sunshine - Port Henry, NY

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).

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).

Average sunshine days
Port Henry, NY

Average sunshine days - Port Henry, NY

The month with the most sunshine days is September (22.1 days).
The month with the least sunshine days is July (17.3 days).

Average UV index
Port Henry, NY

Average UV index - Port Henry, NY

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

Average visibility
Port Henry, NY

Average visibility - Port Henry, NY

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

Port Henry, New York, USA

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