May weather forecastTiverton, RI

May

Weather in May

May is when Tiverton really ushers in the spring climate. It lets the cold winds of winter recede and invites temperatures that linger around 64°F (17.8°C). The trees are lush, the flowers are in full bloom, and the air is filled with the joyous chatter of birds. Outdoor activities are at their peak during this time, as the pleasant May weather encourages locals and tourists to revel in the beauty of Tiverton.

Temperature

With the transition into May, Tiverton experiences an increase in average high-temperatures, moving up from a cool 54.1°F (12.3°C) in April to an enjoyable 64°F (17.8°C). Throughout the month of May, Tiverton expects an average low of 50.7°F (10.4°C).

Humidity

In Tiverton, Rhode Island, the average relative humidity in May is 78%.

Rainfall

In May, the rain falls for 13.7 days. Throughout May, 1.34" (34mm) of precipitation is accumulated. In Tiverton, during the entire year, the rain falls for 135.4 days and collects up to 18.31" (465mm) of precipitation.

Snowfall

Months with snowfall in Tiverton are January through May, November and December. May is the last month it regularly snows in Tiverton. During 0.2 snowfall days, in May, Tiverton aggregates 0.08" (2mm) of snow. Throughout the year, there are 21.2 snowfall days, and 7.17" (182mm) of snow is accumulated.

Ocean temperature

In Tiverton, the average seawater temperature in May is 50.9°F (10.5°C).
Note: Immersing oneself in 50.9°F (10.5°C) at sub14°F (-10°C) temperatures is a recipe for harsh cold shock and quickened breathing unless adequately equipped.

Daylight

The average length of the day in May in Tiverton is 14h and 33min.
On the first day of May, sunrise is at 5:40 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 5:13 am and sunset at 8:12 pm EDT.

Sunshine

In Tiverton, the average sunshine in May is 8.6h.

UV index

In Tiverton, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 5 during May leads to these advisories:
Exercise prevention - Precautions against solar damage are endorsed. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Enhance your sun protection with tightly woven, yet airy clothing. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.

Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In May, the average high-temperature and low-temperature in Tiverton are 64°F (17.8°C) and 50.7°F (10.4°C) respectively.

In May, the average relative humidity in Tiverton is 78%.

In Tiverton, Rhode Island, in May, during 13.7 rainfall days, 1.34" (34mm) of precipitation is typically accumulated.

May is the last month it regularly snows in Tiverton, Rhode Island. During 0.2 snowfall days, in May, Tiverton aggregates 0.08" (2mm) of snow.

In Tiverton, Rhode Island, in May, the average water temperature is 50.9°F (10.5°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

In May, the average day length is 14h and 33min.

On the first day of May, sunrise is at 5:40 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 5:13 am and sunset at 8:12 pm EDT.

In Tiverton, the average sunshine duration in May is 8.6h.

The average daily maximum UV index in May in Tiverton is 5. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year J F M A May J J A S O N D

Apr

May

Jun

Average high temperature

54.1°F

64°F

72°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

10.8mph

9.3mph

8.6mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

0.9

0.2

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

13.6

15.1

13.8

Average UV index

Average cloud cover

Average visibility

Average temperature in May
Tiverton, RI

Average high temperature in May: 64°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (36°F).

Average low temperature in May: 50.7°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 (25.2°F).

Average pressure in May
Tiverton, 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
Tiverton, RI

Average wind speed in May: 8.8mph

The windiest months (with the highest average wind speed) are January, February and March (10.9mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).

Average humidity in May
Tiverton, RI

Average humidity in May: 78%

The month with the highest relative humidity is June (80%).
The month with the lowest relative humidity is April (73%).

Average rainfall in May
Tiverton, RI

Average rainfall in May: 1.34"

The wettest month (with the highest rainfall) is October (1.97").
The driest month (with the least rainfall) is September (1.06").

Average rainfall days in May
Tiverton, RI

Average rainfall days in May: 13.7 days

The month with the highest number of rainy days is July (15 days).
The month with the least rainy days is February (6.9 days).

Average snowfall in May
Tiverton, RI

Average snowfall in May: 0.08"

The month with the highest snowfall is March (2.13").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in May
Tiverton, RI

Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average sea temperature in May
Tiverton, RI

Average sea temperature in May: 50.9°F

The best month for swimming (with the highest average sea temperature) is August (69.3°F).
The coldest month (with the lowest average sea temperature) is February (38.1°F).

Average daylight in May /
Average sunshine in May
Tiverton, RI

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 12min).

Average sunshine in May: 8h and 36min

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
Tiverton, RI

Average sunshine days in May: 15.1 days

The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is April (13.6 days).

Average UV index in May
Tiverton, 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
Tiverton, RI

Average cloud cover in May: 44

The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in May
Tiverton, 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).