May weather forecast
Plainville, CT

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Weather in May

The last month of the spring, May, is a pleasant month in Plainville, Connecticut, with an average temperature fluctuating between 68.5°F (20.3°C) and 49.5°F (9.7°C).

Temperature

May's arrival coincides with a rise in the average high-temperature, moving from April's moderate 56.5°F (13.6°C) to an agreeable 68.5°F (20.3°C). Throughout the nights in May, an average low-temperature of 49.5°F (9.7°C) is noted in Plainville.

Humidity

In Plainville, the average relative humidity in May is 74%.

Rainfall

In May, the rain falls for 17.8 days. Throughout May, 2.64" (67mm) of precipitation is accumulated. In Plainville, during the entire year, the rain falls for 167.6 days and collects up to 33.35" (847mm) of precipitation.

Snowfall

Months with snowfall are January through May, November and December. May is the last month it regularly snows in Plainville. During 0.1 snowfall days, in May, Plainville aggregates 0.28" (7mm) of snow. Throughout the year, in Plainville, there are 31.7 snowfall days, and 17.2" (437mm) of snow is accumulated.

Daylight

In May, the average length of the day in Plainville is 14h and 33min.
On the first day of May in Plainville, sunrise is at 5:46 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:19 am and sunset at 8:19 pm EDT.

Sunshine

In May, the average sunshine is 8.4h.

UV index

In May, the average daily maximum UV index in Plainville is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 5 during May translates into the following recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Plainville in May?

In Plainville, 68.5°F (20.3°C) is the average high-temperature and 49.5°F (9.7°C) is the average low-temperature during May.

What is the average humidity in May in Plainville?

In Plainville, Connecticut, the average relative humidity in May is 74%.

How much does it rain in Plainville in May?

In Plainville, in May, during 17.8 rainfall days, 2.64" (67mm) of precipitation is typically accumulated.

What is the last month it snows in Plainville?

May is the last month it regularly snows. During 0.1 snowfall days, in May, Plainville aggregates 0.28" (7mm) of snow.

How many hours of daylight does Plainville have in May?

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

When are sunrise and sunset in May in Plainville?

On the first day of May in Plainville, Connecticut, sunrise is at 5:46 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:19 am and sunset at 8:19 pm EDT.

How many hours of sunshine does Plainville have in May?

The average sunshine duration in May in Plainville is 8.4h.

What is the UV index reading in May in Plainville?

In May, the average daily maximum UV index in Plainville is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to 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
Plainville, CT

Average temperature in May - Plainville, CT
  • Average high temperature in May: 68.5°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (33.3°F).

  • Average low temperature in May: 49.5°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 (21.2°F).

Average pressure in May
Plainville, CT

Average pressure in May - Plainville, CT
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in May
Plainville, CT

Average wind speed in May - Plainville, CT
  • Average wind speed in May: 6.5mph

The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

Average humidity in May
Plainville, CT

Average humidity in May - Plainville, CT
  • Average humidity in May: 74%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (71%).

Average rainfall in May
Plainville, CT

Average rainfall in May - Plainville, CT
  • Average rainfall in May: 2.64"

The wettest month (with the highest rainfall) is December (3.54").
The driest month (with the least rainfall) is September (1.97").

Average rainfall days in May
Plainville, CT

Average rainfall days in May - Plainville, CT
  • Average rainfall days in May: 17.8 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (9.8 days).

Average snowfall in May
Plainville, CT

Average snowfall in May - Plainville, CT
  • Average snowfall in May: 0.28"

The month with the highest snowfall is February (4.69").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in May
Plainville, CT

Average snowfall days in May - Plainville, CT
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is February (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Plainville, CT

Average daylight in May / Average sunshine in May - Plainville, CT
  • 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 2min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in May
Plainville, CT

Average sunshine days in May - Plainville, CT
  • Average sunshine days in May: 11.3 days

The month with the most sunshine days is November (17 days).
The month with the least sunshine days is June (10.4 days).

Average UV index in May
Plainville, CT

Average UV index in May - Plainville, CT
  • Average UV index in May: 5

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in May
Plainville, CT

Average cloud cover in May - Plainville, CT
  • Average cloud cover in May: 47

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in May
Plainville, CT

Average visibility in May - Plainville, CT
  • Average visibility in May: 5mi

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

Plainville, Connecticut, USA

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