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
As April gives way to May, the average high-temperature displays an increase, moving from a refreshing 56.3°F (13.5°C) to an enjoyable 67.1°F (19.5°C). The temperature dips to an average of 50.5°F (10.3°C) during May nights.Humidity
In May, the average relative humidity is 76%.Rainfall
In Seymour, in May, it is raining for 12.6 days, with typically 0.87" (22mm) of accumulated precipitation. Throughout the year, there are 118.8 rainfall days, and 9.61" (244mm) of precipitation is accumulated.Snowfall
In Seymour, snow does not fall in April through October.Daylight
In May, the average length of the day is 14h and 32min.On the first day of May, sunrise is at 5:48 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:21 am and sunset at 8:19 pm EDT.
Sunshine
In May, the average sunshine is 8.6h.UV index
The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily high UV index of 5 in May leads to these guidelines:
Prioritize safety - Recommendations to avert sunburn are shared. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Enhance your sun protection with tightly woven, yet airy clothing. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
How many hours of daylight does Seymour have in May?
When are sunrise and sunset in May?
How many hours of sunshine does Seymour have in May?
What is the UV index reading in May?
Average temperature in May
Seymour, CT
- Average high temperature in May: 67.1°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.8°F).
- Average low temperature in May: 50.5°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).
Average pressure in May
Seymour, 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
Seymour, CT
- Average wind speed in May: 6.8mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in May
Seymour, CT
- Average humidity in May: 76%
The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (72%).
Average rainfall in May
Seymour, CT
- Average rainfall in May: 0.87"
The wettest month (with the highest rainfall) is July (1.22").
The driest months (with the least rainfall) are January and February (0.47").
Average rainfall days in May
Seymour, CT
- Average rainfall days in May: 12.6 days
The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in May
Seymour, CT
- Average snowfall in May: 0"
The month with the highest snowfall is December (0.55").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Seymour, CT
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (5.8 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
Seymour, 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 12min).
- Average sunshine in May: 8h and 4min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in May
Seymour, CT
- Average sunshine days in May: 15.5 days
The month with the most sunshine days is January (22.6 days).
The month with the least sunshine days is July (13.9 days).
Average UV index in May
Seymour, 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
Seymour, CT
- Average cloud cover in May: 45
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in May
Seymour, CT
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Seymour, Connecticut, USA
Weather forecast for your location
2. Allow the app to use your location