May weather forecast
Bristol, RI

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Weather in May

May marks a break in Bristol's weather, presenting a balmy milieu as the city gradually moves towards summer. The city's environment matures with a subtle rise in temperature from the moderate degrees of April. However, a distinct characteristic of May is its visibility. Throughout the day, visibility in the city remains clear at 6 miles, providing unobstructed views of Bristol's charming beauty. There's an absolute charm in the air as constant sunshine and blossoming greenery garb the city in vivacious hues.

Temperature

As Bristol enters May, the average high-temperature increases from the a cool 54.1°F (12.3°C) of April to a refreshing 64°F (17.8°C). During May, the temperature is averaged to a low of 50.7°F (10.4°C) at night.

Humidity

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

Rainfall

In Bristol, in May, during 13.7 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. In Bristol, during the entire year, the rain falls for 135.4 days and collects up to 18.31" (465mm) 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, Bristol aggregates 0.08" (2mm) of snow. In Bristol, during the entire year, snow falls for 21.2 days and aggregates up to 7.17" (182mm) of snow.

Daylight

In May, the average length of the day 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 May, the average sunshine is 8.6h.

UV index

In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 5 during May translates into the following guidance:
Prioritize safety - Suggestions to prevent sun damage are offered. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.

Frequently asked questions

What is the temperature in May?

The average high-temperature, in May, in Bristol, is 64°F (17.8°C), while the average low-temperature is 50.7°F (10.4°C).

What is the average humidity in May in Bristol?

In May, the average relative humidity is 78%.

How many days does it rain in May?

In Bristol, in May, it is raining for 13.7 days, with typically 1.34" (34mm) of accumulated precipitation.

What is the last month it snows?

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

How many hours of daylight does Bristol have in May?

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

What time are sunrise and sunset in May?

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.

How long on average sun shines in May?

The average sunshine duration in May is 8.6h.

What is the UV index intensity in May?

In Bristol, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Bristol, RI

Average temperature in May - Bristol, 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
Bristol, RI

Average pressure in May - Bristol, 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
Bristol, RI

Average wind speed in May - Bristol, 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
Bristol, RI

Average humidity in May - Bristol, 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
Bristol, RI

Average rainfall in May - Bristol, 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
Bristol, RI

Average rainfall days in May - Bristol, 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
Bristol, RI

Average snowfall in May - Bristol, 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
Bristol, RI

Average snowfall days in May - Bristol, 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 daylight in May /
Average sunshine in May
Bristol, RI

Average daylight in May / Average sunshine in May - Bristol, 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 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
Bristol, RI

Average sunshine days in May - Bristol, 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
Bristol, RI

Average UV index in May - Bristol, 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
Bristol, RI

Average cloud cover in May - Bristol, 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
Bristol, RI

Average visibility in May - Bristol, 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).

Bristol, Rhode Island, USA

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