May weather forecast
Upper Brookville, NY

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Weather in May

May, the last month of the spring in Upper Brookville, is a comfortable month, with temperature in the range of an average low of 54.1°F (12.3°C) and an average high of 65.3°F (18.5°C).

Temperature

As May arrives, Upper Brookville's weather shows an increase in high-temperatures, moving from April's fresh 55°F (12.8°C) to a refreshing 65.3°F (18.5°C). Upper Brookville records an average nighttime low-temperature of 54.1°F (12.3°C) throughout May.

Humidity

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

Rainfall

In May, the rain falls for 17.2 days. Throughout May, 3.11" (79mm) of precipitation is accumulated. In Upper Brookville, New York, during the entire year, the rain falls for 165.9 days and collects up to 37.56" (954mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In May, the average length of the day in Upper Brookville 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 8:19 pm EDT.

Sunshine

In May, the average sunshine is 8.8h.

UV index

In Upper Brookville, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily maximum UV index of 5 in May interprets into the following advice:
Guard yourself - Avoiding sunburn is suggested. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in May?

The average high-temperature, in May, in Upper Brookville, is 65.3°F (18.5°C), while the average low-temperature is 54.1°F (12.3°C).

What is the most humid month?

February, May and December, with an average relative humidity of 75%, are most humid months.

What is the average humidity in May?

The average relative humidity in May is 75%.

How many days does it rain in May?

In Upper Brookville, in May, it is raining for 17.2 days, with typically 3.11" (79mm) of accumulated precipitation.

When it does not snow?

May through October are months without snowfall.

Does it snow in May?

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

What is the average length of the day in May?

The average day length in May is 14h and 29min.

When are sunrise and sunset in May in Upper Brookville?

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 8:19 pm EDT.

How long on average sun shines in May?

The average sunshine duration in May is 8.8h.

How high is the UV index in May in Upper Brookville?

In Upper Brookville, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to 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
Upper Brookville, NY

Average temperature in May - Upper Brookville, NY
  • Average high temperature in May: 65.3°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (36.5°F).

  • Average low temperature in May: 54.1°F

The months with the highest average low temperature are July and August (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).

Average pressure in May
Upper Brookville, NY

Average pressure in May - Upper Brookville, 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
Upper Brookville, NY

Average wind speed in May - Upper Brookville, NY
  • Average wind speed in May: 8.3mph

The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).

Average humidity in May
Upper Brookville, NY

Average humidity in May - Upper Brookville, NY
  • Average humidity in May: 75%

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

Average rainfall in May
Upper Brookville, NY

Average rainfall in May - Upper Brookville, NY
  • Average rainfall in May: 3.11"

The wettest month (with the highest rainfall) is December (4.06").
The driest month (with the least rainfall) is September (2.4").

Average rainfall days in May
Upper Brookville, NY

Average rainfall days in May - Upper Brookville, NY
  • Average rainfall days in May: 17.2 days

The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (9.3 days).

Average snowfall in May
Upper Brookville, NY

Average snowfall in May - Upper Brookville, NY
  • Average snowfall in May: 0"

The month with the highest snowfall is March (2.01").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in May
Upper Brookville, NY

Average snowfall days in May - Upper Brookville, NY
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (6.8 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
Upper Brookville, NY

Average daylight in May / Average sunshine in May - Upper Brookville, 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 5min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in May
Upper Brookville, NY

Average sunshine days in May - Upper Brookville, NY
  • Average sunshine days in May: 12.3 days

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (10.6 days).

Average UV index in May
Upper Brookville, NY

Average UV index in May - Upper Brookville, 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
Upper Brookville, NY

Average cloud cover in May - Upper Brookville, NY
  • Average cloud cover in May: 43

The months with the most cloud cover are February and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 29).

Average visibility in May
Upper Brookville, NY

Average visibility in May - Upper Brookville, 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).

Upper Brookville, New York, USA

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