May weather forecastBarnum Island, NY
May
Weather in May
May, the last month of the spring in Barnum Island, is a refreshing month, with an average temperature ranging between max 62.6°F (17°C) and min 54.5°F (12.5°C).Temperature
Entering May, Barnum Island sees a temperature rise, with the average high-temperature advancing from April's cool 52.9°F (11.6°C) to a comfortable 62.6°F (17°C). Barnum Island experiences a minimal drop from daytime high temperatures, recording an average low-temperature of 54.5°F (12.5°C) throughout May.Humidity
The months with the highest humidity in Barnum Island are May and June, with an average relative humidity of 78%.Rainfall
In Barnum Island, in May, it is raining for 16.5 days, with typically 3.35" (85mm) of accumulated precipitation. In Barnum Island, during the entire year, the rain falls for 159.2 days and collects up to 37.17" (944mm) of precipitation.Snowfall
In Barnum Island, snow does not fall in May through September.Ocean temperature
In May, the average ocean temperature is 54.1°F (12.3°C).Note: Beware when you're in 54.1°F (12.3°C) waters; 55.4°F (13°C) is chilling and anything below 50°F (10°C) could cause breathing hindrance and a sudden cold shock, given your physical condition.
Daylight
In Barnum Island, the average length of the day in May is 14h and 28min.On the first day of the month, sunrise is at 5:52 am and sunset at 7:50 pm. On the last day of May, sunrise is at 5:25 am and sunset at 8:18 pm EDT.
Sunshine
The average sunshine in May is 8.9h.UV index
In Barnum Island, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 5 during May leads to these advisories:
Put precautions into practice - Guidance to elude sunburn is provided. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Barnum Island, NY
- Average high temperature in May: 62.6°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in May: 54.5°F
The month with the highest average low temperature is August (71.8°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in May
Barnum Island, 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
Barnum Island, NY
- Average wind speed in May: 10.1mph
The windiest month (with the highest average wind speed) is January (13.6mph).
The calmest month (with the lowest average wind speed) is July (8.9mph).
Average humidity in May
Barnum Island, NY
- Average humidity in May: 78%
The months with the highest relative humidity are May and June (78%).
The month with the lowest relative humidity is November (71%).
Average rainfall in May
Barnum Island, NY
- Average rainfall in May: 3.35"
The wettest month (with the highest rainfall) is July (4.17").
The driest month (with the least rainfall) is January (2.17").
Average rainfall days in May
Barnum Island, NY
- Average rainfall days in May: 16.5 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in May
Barnum Island, NY
- Average snowfall in May: 0"
The month with the highest snowfall is March (1.5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Barnum Island, NY
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January and February (4.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in May
Barnum Island, NY
- Average sea temperature in May: 54.1°F
The best month for swimming (with the highest average sea temperature) is August (74.1°F).
The coldest month (with the lowest average sea temperature) is February (39.9°F).
Average daylight in May /
Average sunshine in May
Barnum Island, NY
- Average daylight in May: 14h and 30min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 8h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in May
Barnum Island, NY
- Average sunshine days in May: 12.8 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is July (10.7 days).
Average UV index in May
Barnum Island, 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 and December (UV index 2).
Average cloud cover in May
Barnum Island, NY
- Average cloud cover in May: 41
The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in May
Barnum Island, 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).
