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 Plymouth transitions into May, the average high-temperature shows a change, moving from a moderate 56.3°F (13.5°C) in April to an agreeable 68.2°F (20.1°C). An average nighttime temperature of 48.7°F (9.3°C) is witnessed throughout May.Humidity
The average relative humidity in May is 75%.Rainfall
In Plymouth, during May, the rain falls for 18.3 days and regularly aggregates up to 2.87" (73mm) of precipitation. In Plymouth, during the entire year, the rain falls for 170 days and collects up to 35.43" (900mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Plymouth aggregates 0.28" (7mm) of snow. Throughout the year, there are 33.9 snowfall days, and 18.43" (468mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 33min.On the first day of May, sunrise is at 5:47 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:20 am and sunset at 8:19 pm EDT.
Sunshine
The average sunshine in May is 8.3h.UV index
In May, the average daily maximum UV index 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:
Take precautions - Protection against sun damage is advised. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the average humidity in May?
How many days does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Plymouth have in May?
How high is the UV index in May?
Average temperature in May
Plymouth, CT
- Average high temperature in May: 68.2°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in May: 48.7°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in May
Plymouth, 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
Plymouth, CT
- Average wind speed in May: 6.5mph
The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in May
Plymouth, CT
- Average humidity in May: 75%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (72%).
Average rainfall in May
Plymouth, CT
- Average rainfall in May: 2.87"
The wettest month (with the highest rainfall) is December (3.74").
The driest month (with the least rainfall) is September (2.24").
Average rainfall days in May
Plymouth, CT
- Average rainfall days in May: 18.3 days
The months with the highest number of rainy days are May and July (18.3 days).
The month with the least rainy days is February (9.3 days).
Average snowfall in May
Plymouth, CT
- Average snowfall in May: 0.28"
The month with the highest snowfall is February (5.12").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Plymouth, CT
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is February (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Plymouth, CT
- Average daylight in May: 14h and 4min
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 2min
The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in May
Plymouth, CT
- Average sunshine days in May: 10.6 days
The month with the most sunshine days is January (16.7 days).
The month with the least sunshine days is June (10 days).
Average UV index in May
Plymouth, 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
Plymouth, CT
- Average cloud cover in May: 48
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 35).
Average visibility in May
Plymouth, CT
- Average visibility in May: 5mi
The months with the highest visibility are January, April, October, November and December (6mi).
The months with the lowest visibility are February, March, May, June, July, August and September (5mi).
Plymouth, Connecticut, USA
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