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
An upsurge in temperatures occurs as April gives way to May, with average highs shifting from a mild 56.5°F (13.6°C) to an agreeable 68.7°F (20.4°C). Throughout May, Blue Hills records an average temperature of 49.5°F (9.7°C) at night.Humidity
The average relative humidity in May in Blue Hills is 74%.Rainfall
In May, in Blue Hills, Connecticut, the rain falls for 10.8 days. Throughout May, 0.91" (23mm) of precipitation is accumulated. In Blue Hills, Connecticut, during the entire year, the rain falls for 113.2 days and collects up to 10.24" (260mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. May is the last month it regularly snows. During 0.2 snowfall days, in May, Blue Hills aggregates 0.04" (1mm) of snow. In Blue Hills, during the entire year, snow falls for 21.5 days and aggregates up to 4.45" (113mm) of snow.Daylight
In Blue Hills, Connecticut, the average length of the day in May is 14h and 34min.On the first day of May, sunrise is at 5:45 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 5:18 am and sunset at 8:18 pm EDT.
Sunshine
In Blue Hills, the average sunshine in May is 8.5h.UV index
In Blue Hills, Connecticut, 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 the ordinary person.Note: A daily maximum UV index of 5 in May translates into the following instructions:
Ensure safety - Sun damage prevention is strongly urged. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
What are May temperatures in Blue Hills?
What is the average humidity in May in Blue Hills?
How much does it rain in Blue Hills in May?
What is the last month it snows in Blue Hills?
How many hours of daylight does Blue Hills have in May?
When are sunrise and sunset in May in Blue Hills?
How long on average sun shines in May in Blue Hills?
What is the UV index reading in May in Blue Hills?
Average temperature in May
Blue Hills, CT
- Average high temperature in May: 68.7°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in May: 49.5°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).
Average pressure in May
Blue Hills, 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
Blue Hills, CT
- Average wind speed in May: 6.5mph
The windiest months (with the highest average wind speed) are January and March (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in May
Blue Hills, CT
- Average humidity in May: 74%
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (70%).
Average rainfall in May
Blue Hills, CT
- Average rainfall in May: 0.91"
The wettest months (with the highest rainfall) are June and July (1.06").
The driest month (with the least rainfall) is September (0.43").
Average rainfall days in May
Blue Hills, CT
- Average rainfall days in May: 10.8 days
The month with the highest number of rainy days is July (11.8 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in May
Blue Hills, CT
- Average snowfall in May: 0.04"
The month with the highest snowfall is February (1.14").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Blue Hills, CT
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is February (5.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Blue Hills, 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 3min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in May
Blue Hills, CT
- Average sunshine days in May: 16.9 days
The months with the most sunshine days are January and November (20.4 days).
The month with the least sunshine days is June (16.3 days).
Average UV index in May
Blue Hills, 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
Blue Hills, CT
- Average cloud cover in May: 46
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in May
Blue Hills, CT
- Average visibility in May: 5mi
The months with the highest visibility are January, March, April, October, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August and September (5mi).
Blue Hills, Connecticut, USA
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