Climate and monthly weather forecast
Port Jervis, NY

Climate and monthly weather forecast

Weather in January

January, like December, in Port Jervis, New York, is another cold winter month, with an average temperature fluctuating between -7.3°C and 0°C. Port Jervis's coldest month, January, generally records average temperatures ranging from a high of 0°C to a low of -7.3°C. Weather in January »

Weather in February

February, the last month of the winter in Port Jervis, is another cold month, with an average temperature varying between -6.3°C and 2°C. Transitioning into February, Port Jervis experiences an average high-temperature of a still icy 2°C, marking a minor shift from the preceding month. Weather in February »

Weather in March

March, the first month of the spring in Port Jervis, is a frosty month, with temperature in the range of an average high of 6.3°C and an average low of -2.5°C. Port Jervis's March weather indicates a minor increase in high-temperatures, edging from February's cold 2°C to a frosty 6.3°C. Weather in March »

Weather in April

April is a refreshing spring month in Port Jervis, New York, with temperature in the range of an average high of 13.3°C and an average low of 3.2°C. April's arrival is marked by an increase in the average high-temperature, moving from a frosty 6.3°C in March to a refreshing 13.3°C. Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Port Jervis, New York, with temperature in the range of an average low of 8.9°C and an average high of 20.1°C. The transition from April to May brings a temperature rise, with average high-temperatures increasing from a refreshing 13.3°C to an agreeable 20.1°C. Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Port Jervis, New York, with an average temperature fluctuating between 12.4°C and 24.6°C. June comes with a subtle rise, with the average high-temperature adjusting from an agreeable 20.1°C in May to a warm 24.6°C. Weather in June »

Weather in July

July, like June, in Port Jervis, New York, is another warm summer month, with an average temperature ranging between min 15.7°C and max 28.1°C. July is the month when Port Jervis sees the highest average temperatures, with a high of 28.1°C and a low of 15.7°C. The heat index for July is estimated at a hot 32°C. Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Port Jervis, New York, with an average temperature fluctuating between 26.7°C and 14.7°C. The commencement of August introduces an average high-temperature of a still warm 26.7°C, closely mirroring the preceding month. Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Port Jervis, New York, with an average temperature varying between 11.5°C and 22.8°C. A minor decrease in the average high-temperature is observed during September, shifting from a warm 26.7°C in August to a pleasant 22.8°C. Weather in September »

Weather in October

October, like September, is a moderate autumn month in Port Jervis, New York, with temperature in the range of an average low of 6.5°C and an average high of 15.6°C. The onset of October entails a temperature shift, as the average high-temperature decreases from a pleasant 22.8°C in September to a mild 15.6°C. Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Port Jervis, New York, with temperature in the range of an average low of 0.5°C and an average high of 8.8°C. Port Jervis's November weather features a mild decline in high-temperatures, reducing from a mild 15.6°C in October to a frosty 8.8°C. Weather in November »

Weather in December

December, the first month of the winter in Port Jervis, is still a cold month, with an average temperature ranging between min -3.3°C and max 3.1°C. In December, the average high-temperature goes from a chilly 8.8°C in November to a wintry 3.1°C. Weather in December »
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?
Temperature readings reach their annual highs in January, averaging 0°C and a minimum average of -7.3°C.
What is the driest month?
January is the month with the least rainfall. Rain falls for 8.6 days and accumulates 26mm of precipitation.
How much does it rain?
In Port Jervis, during the entire year, the rain falls for 150.5 days and collects up to 492mm of precipitation.
When does it snow?
Months with snowfall are January through May, October through December.
How many days does it snow?
In Port Jervis, during the entire year, snow falls for 36.1 days and aggregates up to 249mm of snow.
When is the lowest UV index?
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the most humid month?
The months with the highest humidity are February and December, with an average relative humidity of 83%.
When does it snow the most?
The month with the most snowfall is February, when snow falls for 10 days and typically aggregates up to 78mm of snow.
What is the month with the least sunshine?
With an average of 4.2h of sunshine, February has the least sunshine of the year.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Port Jervis, 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?
The months with the lowest humidity are April and July, with an average relative humidity of 77%.
What is the wettest month?
The month with the most rainfall is May, when the rain falls for 16.7 days and typically aggregates up to 60mm of precipitation.
When it does not snow in Port Jervis?
June through September are months without snowfall.
When are the longest days?
With an average of 15h and 6min of daylight, June has the longest days of the year.
What is the month with the highest UV index?
With an average maximum UV index of 6, June is the month with the highest UV index.
What is the hottest time of year in Port Jervis?
The warmest period tends to be July, when average temperatures fluctuate between a high of 28.1°C and a low of 15.7°C.
What month has the most sunshine in Port Jervis?
July has the most sunshine of the year, with an average of 10.2h of sunshine.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 12min of daylight.
Average temperature - Port Jervis, NY
Average temperature
Port Jervis, NY

The warmest month (with the highest average high temperature) is July (28.1°C).
The month with the lowest average high temperature is January (0°C).

The month with the highest average low temperature is July (15.7°C).
The coldest month (with the lowest average low temperature) is January (-7.3°C).

Average pressure - Port Jervis, NY
Average pressure
Port Jervis, NY

The month with the highest atmospheric pressure is November (1019.6mbar).
The month with the lowest atmospheric pressure is June (1013.7mbar).

Average wind speed - Port Jervis, NY
Average wind speed
Port Jervis, NY

The windiest month (with the highest average wind speed) is March (12.2km/h).
The calmest month (with the lowest average wind speed) is August (7.8km/h).

Average humidity - Port Jervis, NY
Average humidity
Port Jervis, NY

The months with the highest relative humidity are February and December (83%).
The months with the lowest relative humidity are April and July (77%).

Average rainfall - Port Jervis, NY
Average rainfall
Port Jervis, NY

The wettest month (with the highest rainfall) is May (60mm).
The driest month (with the least rainfall) is January (26mm).

Average rainfall days - Port Jervis, NY
Average rainfall days
Port Jervis, NY

The month with the highest number of rainy days is May (16.7 days).
The months with the least rainy days are January and February (8.6 days).

Average snowfall - Port Jervis, NY
Average snowfall
Port Jervis, NY

The month with the highest snowfall is February (78mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days - Port Jervis, NY
Average snowfall days
Port Jervis, NY

The month with the highest number of snowfall days is February (10 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine - Port Jervis, NY
Average daylight / Average sunshine
Port Jervis, NY

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 12min).

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

Average sunshine days - Port Jervis, NY
Average sunshine days
Port Jervis, NY

The month with the most sunshine days is October (17.4 days).
The months with the least sunshine days are April and May (11.8 days).

Average UV index - Port Jervis, NY
Average UV index
Port Jervis, NY

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

Average visibility - Port Jervis, NY
Average visibility
Port Jervis, NY

The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (8km).
The month with the lowest visibility is September (7km).

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