May weather forecast
Port Chester, NY

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Weather in May

The last month of the spring, May, is a refreshing month in Port Chester, New York, with an average temperature varying between 53.1°F (11.7°C) and 66.2°F (19°C).

Temperature

Port Chester sees an increase in average high-temperatures during May, moving from a mild 55.4°F (13°C) in April to an enjoyable 66.2°F (19°C). Port Chester in May experiences a low-temperature average of 53.1°F (11.7°C).

Humidity

The months with the highest humidity are February, May and December, with an average relative humidity of 75%.

Rainfall

In May, in Port Chester, the rain falls for 17.5 days. Throughout May, 3.11" (79mm) of precipitation is accumulated. Throughout the year, there are 165.6 rainfall days, and 37.64" (956mm) of precipitation is accumulated.

Snowfall

In Port Chester, snow does not fall in May through October.

Daylight

The average length of the day in May in Port Chester is 14h and 29min.
On the first day of the month, sunrise is at 5:51 am and sunset at 7:51 pm. On the last day of May, sunrise is at 5:24 am and sunset at 8:20 pm EDT.

Sunshine

In May, the average sunshine in Port Chester, New York, is 8.7h.

UV index

The average daily maximum UV index in May in Port Chester is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: In May, the maximum UV index of 5 transforms into these recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Port Chester in May?

During May, Port Chester experiences an average high-temperature of 66.2°F (19°C) and a low-temperature of 53.1°F (11.7°C).

What is the most humid month in Port Chester?

February, May and December, with an average relative humidity of 75%, are most humid months in Port Chester, New York.

What is the average humidity in May in Port Chester?

In May, the average relative humidity in Port Chester is 75%.

How much does it rain in Port Chester in May?

In Port Chester, in May, during 17.5 rainfall days, 3.11" (79mm) of precipitation is typically accumulated.

When it does not snow in Port Chester?

In Port Chester, New York, snow does not fall in May through October.

Does it snow in Port Chester in May?

In May, in Port Chester, it doesn't snow. April is the latest month when it typically snows.

What is the average length of the day in May in Port Chester?

In Port Chester, New York, the average day length in May is 14h and 29min.

When are sunrise and sunset in May in Port Chester?

On the first day of May, sunrise is at 5:51 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 5:24 am and sunset at 8:20 pm EDT.

How long on average sun shines in May in Port Chester?

In Port Chester, the average sunshine duration in May is 8.7h.

What is the UV index intensity in May in Port Chester?

In May, the average daily maximum UV index in Port Chester is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Port Chester, NY

Average temperature in May - Port Chester, NY
  • Average high temperature in May: 66.2°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (35.8°F).

  • Average low temperature in May: 53.1°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

Average pressure in May
Port Chester, NY

Average pressure in May - Port Chester, NY
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in May
Port Chester, NY

Average wind speed in May - Port Chester, NY
  • Average wind speed in May: 7.5mph

The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).

Average humidity in May
Port Chester, NY

Average humidity in May - Port Chester, NY
  • Average humidity in May: 75%

The months with the highest relative humidity are February, May and December (75%).
The month with the lowest relative humidity is August (71%).

Average rainfall in May
Port Chester, NY

Average rainfall in May - Port Chester, NY
  • Average rainfall in May: 3.11"

The wettest month (with the highest rainfall) is July (4.13").
The driest months (with the least rainfall) are January and February (2.4").

Average rainfall days in May
Port Chester, NY

Average rainfall days in May - Port Chester, NY
  • Average rainfall days in May: 17.5 days

The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is January (7.9 days).

Average snowfall in May
Port Chester, NY

Average snowfall in May - Port Chester, NY
  • Average snowfall in May: 0"

The month with the highest snowfall is February (2.52").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in May
Port Chester, NY

Average snowfall days in May - Port Chester, NY
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (7.2 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in May /
Average sunshine in May
Port Chester, NY

Average daylight in May / Average sunshine in May - Port Chester, NY
  • Average daylight in May: 14h and 3min

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 May: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in May
Port Chester, NY

Average sunshine days in May - Port Chester, NY
  • Average sunshine days in May: 11.5 days

The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is June (10.7 days).

Average UV index in May
Port Chester, NY

Average UV index in May - Port Chester, NY
  • Average UV index in May: 5

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, March, November and December (UV index 2).

Average cloud cover in May
Port Chester, NY

Average cloud cover in May - Port Chester, NY
  • Average cloud cover in May: 44

The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in May
Port Chester, NY

Average visibility in May - Port Chester, NY
  • Average visibility in May: 6mi

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

Port Chester, New York, USA

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