May weather forecastHarris, RI
May
Weather in May
May, the last month of the spring in Harris, is an enjoyable month, with temperature in the range of an average low of 50.2°F (10.1°C) and an average high of 65.5°F (18.6°C).Temperature
An upsurge in temperatures occurs as April gives way to May, with average highs shifting from a cool 55°F (12.8°C) to a comfortable 65.5°F (18.6°C). Harris encounters a steady low-temperature average of 50.2°F (10.1°C) throughout the month of May.Humidity
In Harris, the average relative humidity in May is 77%.Rainfall
In Harris, in May, it is raining for 13 days, with typically 1.54" (39mm) of accumulated precipitation. In Harris, Rhode Island, during the entire year, the rain falls for 135.6 days and collects up to 20.39" (518mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Harris aggregates 0.04" (1mm) of snow. Throughout the year, there are 21.2 snowfall days, and 6.46" (164mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 34min.On the first day of May, sunrise is at 5:41 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 5:13 am and sunset at 8:13 pm EDT.
Sunshine
The average sunshine in May is 8.5h.UV index
The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 5 during May morphs into the following directions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Enhance your sun protection with tightly woven, yet airy clothing. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Harris, RI
- Average high temperature in May: 65.5°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in May: 50.2°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (24.1°F).
Average pressure in May
Harris, RI
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Harris, RI
- Average wind speed in May: 8.3mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in May
Harris, RI
- Average humidity in May: 77%
The month with the highest relative humidity is June (79%).
The month with the lowest relative humidity is April (72%).
Average rainfall in May
Harris, RI
- Average rainfall in May: 1.54"
The wettest month (with the highest rainfall) is April (2.17").
The driest month (with the least rainfall) is September (0.94").
Average rainfall days in May
Harris, RI
- Average rainfall days in May: 13 days
The month with the highest number of rainy days is July (15.2 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in May
Harris, RI
- Average snowfall in May: 0.04"
The month with the highest snowfall is March (1.89").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Harris, RI
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Harris, RI
- 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 30min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in May
Harris, RI
- Average sunshine days in May: 15.8 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is June (12.9 days).
Average UV index in May
Harris, 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, November and December (UV index 2).
Average cloud cover in May
Harris, RI
- Average cloud cover in May: 45
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in May
Harris, 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).
