May weather forecastBristol, CT
May
Weather in May
May flourishes with the full energy of spring in Bristol, Connecticut. Average high temperatures rise to 68.2°F (20.1°C). Longer daylight hours and warmer temperatures start showcasing signs of the approaching summer. With no traces of snowfall, May brings various opportunities for outdoor entertainment activities. This month also marks the beginning of several local festivals that contribute to the lively aura of the city.Temperature
In Bristol, the average high-temperature in May rises, from a moderate 56.3°F (13.5°C) in April, to a pleasant 68.2°F (20.1°C). The average low-temperature of 48.7°F (9.3°C) is witnessed during May.Humidity
The average relative humidity in May in Bristol is 75%.Rainfall
In Bristol, in May, it is raining for 18.3 days, with typically 2.87" (73mm) of accumulated precipitation. In Bristol, Connecticut, during the entire year, the rain falls for 170 days and collects up to 35.43" (900mm) of precipitation.Snowfall
Months with snowfall in Bristol, Connecticut, are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Bristol aggregates 0.28" (7mm) of snow. Throughout the year, there are 33.9 snowfall days, and 18.43" (468mm) of snow is accumulated.Daylight
In Bristol, 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 5:19 am and sunset at 8:19 pm EDT.
Sunshine
In Bristol, the average sunshine in May is 8.3h.UV index
In Bristol, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The average daily UV index of 5 in May transforms into the following instructions:
Undertake precautions - It is suggested to shield oneself from sunburn. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Bristol, 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
Bristol, 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
Bristol, 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
Bristol, 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
Bristol, 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
Bristol, 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
Bristol, 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
Bristol, 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
Bristol, 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 18min
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
Bristol, 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
Bristol, 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
Bristol, 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
Bristol, 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).
