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
The average high-temperature increases in May, moving from a moderate 56.5°F (13.6°C) in April to a comfortable 67.6°F (19.8°C). In Colchester, May is marked by an average low-temperature of 49.6°F (9.8°C).Humidity
In Colchester, the average relative humidity in May is 76%.Rainfall
In May, in Colchester, the rain falls for 10 days. Throughout May, 0.75" (19mm) of precipitation is accumulated. Throughout the year, in Colchester, there are 99.9 rainfall days, and 9.41" (239mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall in Colchester. May is the last month it regularly snows. During 0.1 snowfall days, in May, Colchester aggregates 0.2" (5mm) of snow. In Colchester, during the entire year, snow falls for 22.3 days and aggregates up to 3.82" (97mm) of snow.Daylight
In Colchester, the average length of the day in May is 14h and 32min.On the first day of May in Colchester, sunrise is at 5:45 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 5:17 am and sunset at 8:16 pm EDT.
Sunshine
The average sunshine in May is 8.1h.UV index
In Colchester, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In May, a regular UV index of 5 translates into these guidelines:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Stay sun-safe with clothing that is both closely woven and worn loosely. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Frequently asked questions
What is the average May temperature in Colchester?
What is the average humidity in May in Colchester?
How many days does it rain in May in Colchester?
What is the last month it snows in Colchester?
What is the average length of the day in May in Colchester?
When are sunrise and sunset in May in Colchester?
How many hours of sunshine does Colchester have in May?
What is the UV index intensity in May in Colchester?
Average temperature in May
Colchester, CT
- Average high temperature in May: 67.6°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in May: 49.6°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in May
Colchester, CT
- 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
Colchester, CT
- Average wind speed in May: 6.8mph
The windiest months (with the highest average wind speed) are January and March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in May
Colchester, CT
- Average humidity in May: 76%
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (71%).
Average rainfall in May
Colchester, CT
- Average rainfall in May: 0.75"
The wettest month (with the highest rainfall) is December (1.02").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in May
Colchester, CT
- Average rainfall days in May: 10 days
The month with the highest number of rainy days is July (11.8 days).
The month with the least rainy days is January (5.1 days).
Average snowfall in May
Colchester, CT
- Average snowfall in May: 0.2"
The month with the highest snowfall is March (1.26").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Colchester, CT
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (6.4 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
Colchester, 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 1min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).
Average sunshine days in May
Colchester, CT
- Average sunshine days in May: 18.8 days
The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is July (17.1 days).
Average UV index in May
Colchester, CT
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Colchester, CT
- Average cloud cover in May: 49
The months with the most cloud cover are February and March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in May
Colchester, CT
- Average visibility in May: 5mi
The months with the highest visibility are January, March, April, September, October, November and December (6mi).
The months with the lowest visibility are February, May, June, July and August (5mi).
Colchester, Connecticut, USA
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