May weather forecastSouthport, CT
May
Weather in May
Southport basks in the warmth of May as the city's weather transitions into a summer setting. With increased temperatures compared to April, it provides an ideal condition for various outdoor activities. Additionally, the sea temperatures become more adapted for water games, but the relatively high rainfall indicates a possibility of sudden showers. Nonetheless, the rise in average sunshine hours gives the city a cheery visage. There's a lot to look forward to as Southport approaches half of the year.Temperature
In Southport, the average high-temperature in May increases from a fresh 54.7°F (12.6°C) in April to a refreshing 64.9°F (18.3°C). In Southport, the nighttime temperature averages to a cool 52.5°F (11.4°C) during May.Humidity
The months with the highest humidity in Southport are May and June, with an average relative humidity of 76%.Rainfall
In Southport, during May, the rain falls for 17.3 days and regularly aggregates up to 3.03" (77mm) of precipitation. Throughout the year, in Southport, there are 170.1 rainfall days, and 37.76" (959mm) of precipitation is accumulated.Snowfall
In Southport, snow does not fall in May through October.Ocean temperature
In Southport, the average seawater temperature in May is 52°F (11.1°C).Note: Dipping into 52°F (11.1°C) below 50°F (10°C) needs protective wear, or you'd face cold shock and breathing issues swiftly. Meanwhile, a slight swim around 55.4°F (13°C) feels cold to the bone.
Daylight
In Southport, Connecticut, the average length of the day in May is 14h and 31min.On the first day of May in Southport, sunrise is at 5:49 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:22 am and sunset at 8:19 pm EDT.
Sunshine
In May, the average sunshine in Southport is 8.8h.UV index
The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 5 in May translates into the following instructions:
Prioritize safety - Recommendations to avert sunburn are shared. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Southport, CT
- Average high temperature in May: 64.9°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in May: 52.5°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).
Average pressure in May
Southport, CT
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Southport, CT
- Average wind speed in May: 7.8mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in May
Southport, CT
- Average humidity in May: 76%
The months with the highest relative humidity are May and June (76%).
The months with the lowest relative humidity are April and November (72%).
Average rainfall in May
Southport, CT
- Average rainfall in May: 3.03"
The wettest month (with the highest rainfall) is December (4.21").
The driest month (with the least rainfall) is January (2.48").
Average rainfall days in May
Southport, CT
- Average rainfall days in May: 17.3 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is January (9.4 days).
Average snowfall in May
Southport, CT
- Average snowfall in May: 0"
The month with the highest snowfall is March (2.8").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Southport, CT
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in May
Southport, CT
- Average sea temperature in May: 51.9°F
The best month for swimming (with the highest average sea temperature) is August (73°F).
The coldest month (with the lowest average sea temperature) is February (39°F).
Average daylight in May /
Average sunshine in May
Southport, CT
- Average daylight in May: 14h and 30min
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 48min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in May
Southport, CT
- Average sunshine days in May: 11.8 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is June (11.2 days).
Average UV index in May
Southport, CT
- 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
Southport, CT
- Average cloud cover in May: 43
The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in May
Southport, CT
- 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).
