May weather forecast
Thornwood, NY

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Weather in May

May, the last month of the spring in Thornwood, is an agreeable month, with temperature in the range of an average high of 68.9°F (20.5°C) and an average low of 51.3°F (10.7°C).

Temperature

The arrival of May sees a shift in the average high-temperature, moving from a mild 57.7°F (14.3°C) in April to an agreeable 68.9°F (20.5°C). May's average low-temperature reading settles at a fresh 51.3°F (10.7°C).

Humidity

In May, the average relative humidity in Thornwood, New York, is 75%.

Rainfall

In Thornwood, during May, the rain falls for 15.9 days and regularly aggregates up to 2.28" (58mm) of precipitation. In Thornwood, during the entire year, the rain falls for 144.6 days and collects up to 25.51" (648mm) of precipitation.

Snowfall

Months with snowfall in Thornwood are January through May, October through December. May is the last month it regularly snows in Thornwood. During 0.1 snowfall days, in May, Thornwood aggregates 0.2" (5mm) of snow. In Thornwood, during the entire year, snow falls for 20.6 days and aggregates up to 10.12" (257mm) of snow.

Daylight

In Thornwood, New York, the average length of the day in May is 14h and 30min.
On the first day of the month, sunrise is at 5:51 am and sunset at 7:52 pm. On the last day of May, sunrise is at 5:24 am and sunset at 8:20 pm EDT.

Sunshine

In Thornwood, the average sunshine in May is 8.7h.

UV index

The average daily maximum UV index in May in Thornwood is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 5 in May translates into this advice:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature in Thornwood?

In May, in Thornwood, the average high-temperature is 68.9°F (20.5°C), and the average low-temperature is 51.3°F (10.7°C).

What is the average humidity in May in Thornwood?

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

How much does it rain in Thornwood in May?

In Thornwood, New York, in May, during 15.9 rainfall days, 2.28" (58mm) of precipitation is typically accumulated.

What is the last month it snows in Thornwood?

May is the last month it regularly snows in Thornwood. During 0.1 snowfall days, in May, Thornwood aggregates 0.2" (5mm) of snow.

What is the average length of the day in May in Thornwood?

In Thornwood, the average day length in May is 14h and 30min.

What time are sunrise and sunset in May in Thornwood?

On the first day of May in Thornwood, sunrise is at 5:51 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:24 am and sunset at 8:20 pm EDT.

How many hours of sunshine does Thornwood have in May?

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

What is the UV index reading in May in Thornwood?

The average daily maximum UV index in May in Thornwood, New York, is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
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
Thornwood, NY

Average temperature in May - Thornwood, NY
  • Average high temperature in May: 68.9°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (34.9°F).

  • Average low temperature in May: 51.3°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).

Average pressure in May
Thornwood, NY

Average pressure in May - Thornwood, 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
Thornwood, NY

Average wind speed in May - Thornwood, NY
  • Average wind speed in May: 6.2mph

The windiest months (with the highest average wind speed) are January and March (8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in May
Thornwood, NY

Average humidity in May - Thornwood, NY
  • Average humidity in May: 75%

The months with the highest relative humidity are February and December (78%).
The months with the lowest relative humidity are April, July and August (72%).

Average rainfall in May
Thornwood, NY

Average rainfall in May - Thornwood, NY
  • Average rainfall in May: 2.28"

The wettest month (with the highest rainfall) is July (2.87").
The driest month (with the least rainfall) is February (1.5").

Average rainfall days in May
Thornwood, NY

Average rainfall days in May - Thornwood, NY
  • Average rainfall days in May: 15.9 days

The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is January (6 days).

Average snowfall in May
Thornwood, NY

Average snowfall in May - Thornwood, NY
  • Average snowfall in May: 0.2"

The month with the highest snowfall is March (3.31").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Thornwood, NY

Average snowfall days in May - Thornwood, NY
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is February (5.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Thornwood, NY

Average daylight in May / Average sunshine in May - Thornwood, 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
Thornwood, NY

Average sunshine days in May - Thornwood, NY
  • Average sunshine days in May: 13.3 days

The month with the most sunshine days is November (20 days).
The months with the least sunshine days are June and July (12.3 days).

Average UV index in May
Thornwood, NY

Average UV index in May - Thornwood, 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
Thornwood, NY

Average cloud cover in May - Thornwood, NY
  • Average cloud cover in May: 46

The months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in May
Thornwood, NY

Average visibility in May - Thornwood, NY
  • Average visibility in May: 5mi

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

Thornwood, New York, USA

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