May weather forecastTrumbull, CT
May
Weather in May
The last month of the spring, May, is a refreshing month in Trumbull, Connecticut, with an average temperature fluctuating between 52.2°F (11.2°C) and 65.8°F (18.8°C).Temperature
As April transitions into May, a change in temperatures is observed, with average highs moving from a cool 54.9°F (12.7°C) to a comfortable 65.8°F (18.8°C). Trumbull cools down to an average low-temperature of 52.2°F (11.2°C) throughout the month of May.Humidity
February, May and June, with an average relative humidity of 76%, are the most humid months.Rainfall
In Trumbull, during May, the rain falls for 17.5 days and regularly aggregates up to 2.95" (75mm) of precipitation. In Trumbull, during the entire year, the rain falls for 170.6 days and collects up to 37.09" (942mm) of precipitation.Snowfall
In Trumbull, snow does not fall in May through October.Daylight
In May, the average length of the day is 14h and 31min.On the first day of the month, sunrise is at 5:49 am and sunset at 7:50 pm. On the last day of May, sunrise is at 5:22 am and sunset at 8:19 pm EDT.
Sunshine
In Trumbull, the average sunshine in May is 8.7h.UV index
In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In May, a daily maximum UV index of 5 leads to the following instructions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Trumbull, CT
- Average high temperature in May: 65.8°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in May: 52.2°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in May
Trumbull, 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
Trumbull, CT
- Average wind speed in May: 7.7mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in May
Trumbull, CT
- Average humidity in May: 76%
The months with the highest relative humidity are February, May and June (76%).
The months with the lowest relative humidity are April and November (72%).
Average rainfall in May
Trumbull, CT
- Average rainfall in May: 2.95"
The wettest month (with the highest rainfall) is December (4.13").
The driest month (with the least rainfall) is September (2.4").
Average rainfall days in May
Trumbull, CT
- Average rainfall days in May: 17.5 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is January (9.4 days).
Average snowfall in May
Trumbull, CT
- Average snowfall in May: 0"
The month with the highest snowfall is February (2.87").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Trumbull, CT
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is February (7.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Trumbull, CT
- Average daylight in May: 14h and 30min
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 42min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in May
Trumbull, CT
- Average sunshine days in May: 11.3 days
The month with the most sunshine days is January (17 days).
The month with the least sunshine days is June (10.7 days).
Average UV index in May
Trumbull, 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
Trumbull, 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
Trumbull, 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).
