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 brings a rise in the average high-temperature, moving from a cool 54.9°F (12.7°C) in April to a refreshing 65.3°F (18.5°C). During the month of May, Guilford anticipates a mean low-temperature of 51.4°F (10.8°C).Humidity
In May, the average relative humidity is 76%.Rainfall
In Guilford, during May, the rain falls for 16.9 days and regularly aggregates up to 2.76" (70mm) of precipitation. In Guilford, during the entire year, the rain falls for 167.7 days and collects up to 35.67" (906mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Guilford aggregates 0.28" (7mm) of snow. Throughout the year, there are 26.4 snowfall days, and 10.12" (257mm) of snow is accumulated.Daylight
In Guilford, the average length of the day in May is 14h and 31min.On the first day of May, sunrise is at 5:46 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 5:19 am and sunset at 8:17 pm EDT.
Sunshine
In Guilford, the average sunshine in May is 8.7h.UV index
In Guilford, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A typical high UV index of 5 in May suggests the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the average humidity in May?
How many days does it rain in May?
What is the last month it snows?
How many hours of daylight does Guilford have in May?
When is the sunrise / sunset in May?
How long on average sun shines in May?
How high is the UV index in May?
Average temperature in May
Guilford, CT
- Average high temperature in May: 65.3°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in May: 51.4°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).
Average pressure in May
Guilford, 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
Guilford, CT
- Average wind speed in May: 7.8mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).
Average humidity in May
Guilford, CT
- Average humidity in May: 76%
The month with the highest relative humidity is June (77%).
The month with the lowest relative humidity is April (72%).
Average rainfall in May
Guilford, CT
- Average rainfall in May: 2.76"
The wettest month (with the highest rainfall) is December (3.94").
The driest month (with the least rainfall) is September (2.09").
Average rainfall days in May
Guilford, CT
- Average rainfall days in May: 16.9 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is January (9.6 days).
Average snowfall in May
Guilford, CT
- Average snowfall in May: 0.28"
The month with the highest snowfall is March (3.11").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Guilford, CT
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (7.7 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
Guilford, CT
- 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 February (Average sunshine: 4h and 48min).
Average sunshine days in May
Guilford, CT
- Average sunshine days in May: 12.3 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (11.3 days).
Average UV index in May
Guilford, 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
Guilford, CT
- Average cloud cover in May: 43
The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in May
Guilford, 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).
Guilford, Connecticut, USA
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