May weather forecastNorfolk, CT
May
Weather in May
May, the last month of the spring in Norfolk, is a comfortable month, with temperature in the range of an average high of 67.1°F (19.5°C) and an average low of 47.3°F (8.5°C).Temperature
Norfolk's May weather brings a rise in high-temperatures, moving from a mild 55.4°F (13°C) in April to a comfortable 67.1°F (19.5°C). Norfolk's temperature drops to an average low of 47.3°F (8.5°C) during the nights of May.Humidity
In Norfolk, the average relative humidity in May is 76%.Rainfall
In May, in Norfolk, the rain falls for 16.9 days. Throughout May, 2.95" (75mm) of precipitation is accumulated. In Norfolk, during the entire year, the rain falls for 157.2 days and collects up to 33.31" (846mm) of precipitation.Snowfall
Months with snowfall in Norfolk are January through May, October through December. May is the last month it regularly snows in Norfolk, Connecticut. During 0.2 snowfall days, in May, Norfolk aggregates 0.16" (4mm) of snow. Throughout the year, there are 45.3 snowfall days, and 25.63" (651mm) of snow is accumulated.Daylight
In Norfolk, the average length of the day in May is 14h and 35min.On the first day of May, sunrise is at 5:47 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:19 am and sunset at 8:21 pm EDT.
Sunshine
The average sunshine in May is 8h.UV index
In May, the average daily maximum UV index in Norfolk, Connecticut, is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In May, the maximum UV index of 5 translates into these guidelines:
Undertake precautions - It is suggested to shield oneself from sunburn. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. 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
Average temperature in May
Norfolk, CT
- Average high temperature in May: 67.1°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.4°F).
- Average low temperature in May: 47.3°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in May
Norfolk, 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
Norfolk, CT
- Average wind speed in May: 6.5mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in May
Norfolk, CT
- Average humidity in May: 76%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (74%).
Average rainfall in May
Norfolk, CT
- Average rainfall in May: 2.95"
The wettest months (with the highest rainfall) are October and December (3.31").
The driest month (with the least rainfall) is September (2.09").
Average rainfall days in May
Norfolk, CT
- Average rainfall days in May: 16.9 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is February (7.1 days).
Average snowfall in May
Norfolk, CT
- Average snowfall in May: 0.16"
The month with the highest snowfall is February (6.38").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Norfolk, CT
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is February (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Norfolk, CT
- Average daylight in May: 14h and 36min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in May: 8h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in May
Norfolk, CT
- Average sunshine days in May: 11.8 days
The month with the most sunshine days is January (16.8 days).
The month with the least sunshine days is June (11.4 days).
Average UV index in May
Norfolk, CT
- Average UV index in May: 5
The month with the highest UV index is June (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
Norfolk, CT
- Average cloud cover in May: 50
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in May
Norfolk, CT
- Average visibility in May: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
