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 onset of May in Westerly brings a temperature shift, with the average high-temperature moving from a fresh 52.5°F (11.4°C) in April to a comfortable 62.2°F (16.8°C). During the nights in May, an average low-temperature of 51.1°F (10.6°C) is observed.Humidity
In Westerly, the average relative humidity in May is 80%.Rainfall
In Westerly, during May, the rain falls for 15.3 days and regularly aggregates up to 2.48" (63mm) of precipitation. Throughout the year, there are 154.5 rainfall days, and 31.46" (799mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall in Westerly.Daylight
In May, the average length of the day in Westerly is 14h and 32min.On the first day of the month, sunrise is at 5:43 am and sunset at 7:45 pm. On the last day of May, in Westerly, sunrise is at 5:16 am and sunset at 8:13 pm EDT.
Sunshine
In May, the average sunshine in Westerly is 8.7h.UV index
In Westerly, Rhode Island, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 5 in May interprets into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Frequently asked questions
What is the average May temperature in Westerly?
What is the average humidity in May in Westerly?
How many days does it rain in May in Westerly?
When it does not snow in Westerly?
Does it snow in Westerly in May?
How many hours of daylight does Westerly have in May?
When is the sunrise / sunset in May in Westerly?
How long on average sun shines in May in Westerly?
What is the UV index reading in May in Westerly?
Average temperature in May
Westerly, RI
- Average high temperature in May: 62.2°F
The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in May: 51.1°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in May
Westerly, RI
- 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
Westerly, RI
- Average wind speed in May: 9.8mph
The windiest month (with the highest average wind speed) is January (12.5mph).
The calmest months (with the lowest average wind speed) are July and August (8.3mph).
Average humidity in May
Westerly, RI
- Average humidity in May: 80%
The months with the highest relative humidity are June and July (81%).
The months with the lowest relative humidity are March and November (74%).
Average rainfall in May
Westerly, RI
- Average rainfall in May: 2.48"
The wettest month (with the highest rainfall) is December (3.39").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in May
Westerly, RI
- Average rainfall days in May: 15.3 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in May
Westerly, RI
- Average snowfall in May: 0"
The month with the highest snowfall is March (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Westerly, RI
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (5.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Westerly, RI
- 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 4min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days in May
Westerly, RI
- Average sunshine days in May: 13.3 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is July (11 days).
Average UV index in May
Westerly, RI
- 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 and December (UV index 2).
Average cloud cover in May
Westerly, RI
- Average cloud cover in May: 43
The months with the most cloud cover are March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in May
Westerly, RI
- 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).
Westerly, Rhode Island, USA
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