May weather forecast
Oyster Bay, NY

Share

Weather in May

May, the last month of the spring in Oyster Bay, is an enjoyable month, with an average temperature fluctuating between 65.3°F (18.5°C) and 54.1°F (12.3°C).

Temperature

The shift into May brings an increase in the average high-temperature, moving from a fresh 55°F (12.8°C) in April to a refreshing 65.3°F (18.5°C). The average low-temperature of 54.1°F (12.3°C) is witnessed during May.

Humidity

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

Rainfall

In Oyster Bay, New York, in May, it is raining for 17.2 days, with typically 3.11" (79mm) of accumulated precipitation. In Oyster Bay, during the entire year, the rain falls for 165.9 days and collects up to 37.56" (954mm) of precipitation.

Snowfall

In Oyster Bay, snow does not fall in May through October.

Daylight

In Oyster Bay, the average length of the day in May 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 Oyster Bay, the average sunshine in May is 8.8h.

UV index

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: A maximum high UV index of 5 in May translates into the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Updated: Jun 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May in Oyster Bay?

May temperatures vary between a high-temperature of 65.3°F (18.5°C) and a low-temperature of 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 much does it rain in May?

In May, the rain falls for 17.2 days. Throughout May, 3.11" (79mm) of precipitation is accumulated.

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.

How many hours of daylight does Oyster Bay have in May?

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

When are sunrise and sunset in May?

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 many hours of sunshine does Oyster Bay have in May?

In May, the average sunshine duration is 8.8h.

What is the UV index intensity in May?

The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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
Oyster Bay, NY

Average temperature in May - Oyster Bay, 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
Oyster Bay, NY

Average pressure in May - Oyster Bay, 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
Oyster Bay, NY

Average wind speed in May - Oyster Bay, 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
Oyster Bay, NY

Average humidity in May - Oyster Bay, 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
Oyster Bay, NY

Average rainfall in May - Oyster Bay, 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
Oyster Bay, NY

Average rainfall days in May - Oyster Bay, 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
Oyster Bay, NY

Average snowfall in May - Oyster Bay, 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
Oyster Bay, NY

Average snowfall days in May - Oyster Bay, 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
Oyster Bay, NY

Average daylight in May / Average sunshine in May - Oyster Bay, 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
Oyster Bay, NY

Average sunshine days in May - Oyster Bay, 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
Oyster Bay, NY

Average UV index in May - Oyster Bay, 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
Oyster Bay, NY

Average cloud cover in May - Oyster Bay, 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
Oyster Bay, NY

Average visibility in May - Oyster Bay, 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).

Oyster Bay, New York, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location