May weather forecast
Cumberland, RI

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Weather in May

Cumberland glows under the healthy spring sun in May. The comfortable warm temperatures of this month make it popular for family outings and outdoor celebrations. According to historical weather data, May is the month when snow gives way to rain completely, with an average snowfall of only 0.24" (6mm). The population takes full advantage of the extra hours of sunshine to indulge in recreational activities. The typical May weather prepares Cumberland for the full heat of the upcoming summer months.

Temperature

May's arrival signals a temperature shift, moving from a mild 55.9°F (13.3°C) in April to a still refreshing 66.9°F (19.4°C). In Cumberland, the May nights cool down to an average low of 49.6°F (9.8°C).

Humidity

The average relative humidity in May is 76%.

Rainfall

In Cumberland, during May, the rain falls for 14.1 days and regularly aggregates up to 1.89" (48mm) of precipitation. In Cumberland, during the entire year, the rain falls for 137.6 days and collects up to 23.98" (609mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, Cumberland aggregates 0.24" (6mm) of snow. In Cumberland, during the entire year, snow falls for 26.3 days and aggregates up to 12.64" (321mm) of snow.

Daylight

In May, the average length of the day is 14h and 35min.
On the first day of the month, sunrise is at 5:40 am and sunset at 7:44 pm. On the last day of May, sunrise is at 5:12 am and sunset at 8:14 pm EDT.

Sunshine

In May, the average sunshine is 8.2h.

UV index

In Cumberland, 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 average person.
Note: The maximum daily UV index of 5 during May translates into the following directions:
Guard yourself - Avoiding sunburn is suggested. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.

Frequently asked questions

What are the temperatures in May?

The average high-temperature and low-temperature during May are 66.9°F (19.4°C) and 49.6°F (9.8°C) respectively.

What is the average humidity in May?

In May, the average relative humidity in Cumberland is 76%.

How many days does it rain in May?

In May, the rain falls for 14.1 days. Throughout May, 1.89" (48mm) of precipitation is accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 0.1 snowfall days, in May, Cumberland aggregates 0.24" (6mm) of snow.

What is the average length of the day in May?

In May, the average day length is 14h and 35min.

When are sunrise and sunset in May?

On the first day of May, sunrise is at 5:40 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 5:12 am and sunset at 8:14 pm EDT.

How long on average sun shines in May in Cumberland?

In Cumberland, the average sunshine duration in May is 8.2h.

How high is the UV index in May?

In Cumberland, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Cumberland, RI

Average temperature in May - Cumberland, RI
  • Average high temperature in May: 66.9°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.8°F).

  • Average low temperature in May: 49.6°F

The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).

Average pressure in May
Cumberland, RI

Average pressure in May - Cumberland, 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
Cumberland, RI

Average wind speed in May - Cumberland, RI
  • Average wind speed in May: 7.6mph

The windiest months (with the highest average wind speed) are February and March (9.4mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

Average humidity in May
Cumberland, RI

Average humidity in May - Cumberland, RI
  • Average humidity in May: 76%

The months with the highest relative humidity are February, June, September and October (78%).
The month with the lowest relative humidity is April (71%).

Average rainfall in May
Cumberland, RI

Average rainfall in May - Cumberland, RI
  • Average rainfall in May: 1.89"

The wettest month (with the highest rainfall) is April (2.52").
The driest month (with the least rainfall) is September (1.06").

Average rainfall days in May
Cumberland, RI

Average rainfall days in May - Cumberland, RI
  • Average rainfall days in May: 14.1 days

The month with the highest number of rainy days is June (15.1 days).
The month with the least rainy days is January (7.1 days).

Average snowfall in May
Cumberland, RI

Average snowfall in May - Cumberland, RI
  • Average snowfall in May: 0.24"

The month with the highest snowfall is March (3.03").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Cumberland, RI

Average snowfall days in May - Cumberland, RI
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is March (6.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Cumberland, RI
  • 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 1min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in May
Cumberland, RI

Average sunshine days in May - Cumberland, RI
  • Average sunshine days in May: 15.5 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is April (13.6 days).

Average UV index in May
Cumberland, RI

Average UV index in May - Cumberland, 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
Cumberland, RI

Average cloud cover in May - Cumberland, RI
  • Average cloud cover in May: 48

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in May
Cumberland, RI

Average visibility in May - Cumberland, RI
  • Average visibility in May: 6mi

The months with the highest visibility are January, February, March, April, May, October, November and December (6mi).
The months with the lowest visibility are June, July, August and September (5mi).

Cumberland, Rhode Island, USA

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