Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
May's onset witnesses a minor shift in the average high-temperature, moving from a fresh 50°F (10°C) in April to a refreshing 58.6°F (14.8°C). Recording a slight decline in temperature during the nights, Southold's May temperatures average at a fresh 52.7°F (11.5°C).Humidity
May and June, with an average relative humidity of 81%, are the most humid months in Southold.Rainfall
In Southold, during May, the rain falls for 15.3 days and regularly aggregates up to 2.91" (74mm) of precipitation. Throughout the year, there are 154.1 rainfall days, and 34.92" (887mm) of precipitation is accumulated.Snowfall
In Southold, snow does not fall in April through October.Daylight
The average length of the day in May is 14h and 30min.On the first day of May, sunrise is at 5:46 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 5:19 am and sunset at 8:15 pm EDT.
Sunshine
In May, the average sunshine is 8.6h.UV index
In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 5 during May translates into these guidelines:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Southold?
What is the most humid month in Southold?
What is the average humidity in May in Southold?
How much does it rain in Southold in May?
When it does not snow in Southold?
How many hours of daylight does Southold have in May?
What time are sunrise and sunset in May in Southold?
How long on average sun shines in May in Southold?
How high is the UV index in May in Southold?
Average temperature in May
Southold, NY
- Average high temperature in May: 58.6°F
The warmest month (with the highest average high temperature) is August (75.9°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in May: 52.7°F
The month with the highest average low temperature is August (71.2°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).
Average pressure in May
Southold, NY
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Southold, NY
- Average wind speed in May: 12mph
The windiest month (with the highest average wind speed) is January (16mph).
The calmest month (with the lowest average wind speed) is July (10.4mph).
Average humidity in May
Southold, NY
- Average humidity in May: 81%
The months with the highest relative humidity are May and June (81%).
The month with the lowest relative humidity is November (72%).
Average rainfall in May
Southold, NY
- Average rainfall in May: 2.91"
The wettest month (with the highest rainfall) is December (3.82").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in May
Southold, NY
- Average rainfall days in May: 15.3 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in May
Southold, NY
- Average snowfall in May: 0"
The month with the highest snowfall is March (2.36").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Southold, NY
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (4.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Southold, 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 months with the most sunshine are July and August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days in May
Southold, NY
- Average sunshine days in May: 14.8 days
The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is February (12.8 days).
Average UV index in May
Southold, 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
Southold, NY
- Average cloud cover in May: 43
The month with the most cloud cover is December (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in May
Southold, 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).
Southold, New York, USA
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