May weather forecast
Wethersfield, CT

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Weather in May

The weather in May in Wethersfield is gentle and comfortable, clearly announcing the arrival of spring. While the month's maximum temperature reaches an average of 68.5°F (20.3°C), the city witnesses a notable increase in both daylight hours up to 14.6 hours, and UV index to 5. It's an exciting time when residents fully embrace the outdoor activities that the warm weather permits after the long winter. The blossoms adorn the city in a riot of colors making it picture perfect. May is often favored as one of the most beautiful months in Wethersfield, due to the warm, inviting weather and blooming florals.

Temperature

The transition to May introduces an increase in the average high-temperature in Wethersfield, Connecticut, shifting from a refreshing 56.7°F (13.7°C) in April to a pleasant 68.5°F (20.3°C). Nighttime temperature in Wethersfield lowers to an average of 49.5°F (9.7°C) in May.

Humidity

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

Rainfall

In Wethersfield, during May, the rain falls for 17.3 days and regularly aggregates up to 2.6" (66mm) of precipitation. Throughout the year, in Wethersfield, Connecticut, there are 164.5 rainfall days, and 32.09" (815mm) of precipitation is accumulated.

Snowfall

January through May, November and December are months with snowfall. May is the last month it regularly snows. During 0.2 snowfall days, in May, Wethersfield aggregates 0.31" (8mm) of snow. Throughout the year, there are 29.1 snowfall days, and 15.63" (397mm) of snow is accumulated.

Daylight

The average length of the day in May is 14h and 34min.
On the first day of May in Wethersfield, sunrise is at 5:46 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 5:18 am and sunset at 8:18 pm EDT.

Sunshine

The average sunshine in May in Wethersfield, Connecticut, is 8.4h.

UV index

In Wethersfield, Connecticut, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In May, the average maximum UV index of 5 translates into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May in Wethersfield?

Wethersfield in May has an average high-temperature of 68.5°F (20.3°C) and an average low-temperature of 49.5°F (9.7°C).

What is the average humidity in May in Wethersfield?

The average relative humidity in May in Wethersfield is 74%.

How much does it rain in Wethersfield in May?

In Wethersfield, Connecticut, in May, it is raining for 17.3 days, with typically 2.6" (66mm) of accumulated precipitation.

What is the last month it snows in Wethersfield?

May is the last month it regularly snows in Wethersfield, Connecticut. During 0.2 snowfall days, in May, Wethersfield aggregates 0.31" (8mm) of snow.

What is the average length of the day in May in Wethersfield?

The average day length in May in Wethersfield, Connecticut, is 14h and 34min.

When are sunrise and sunset in May in Wethersfield?

On the first day of May in Wethersfield, Connecticut, sunrise is at 5:46 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 5:18 am and sunset at 8:18 pm EDT.

How many hours of sunshine does Wethersfield have in May?

The average sunshine duration in May in Wethersfield, Connecticut, is 8.4h.

What is the UV index intensity in May in Wethersfield?

In Wethersfield, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium health risk 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
Wethersfield, CT

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

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in May: 49.5°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).

Average pressure in May
Wethersfield, CT

Average pressure in May - Wethersfield, 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
Wethersfield, CT

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

The windiest months (with the highest average wind speed) are January and March (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

Average humidity in May
Wethersfield, CT

Average humidity in May - Wethersfield, 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 (70%).

Average rainfall in May
Wethersfield, CT

Average rainfall in May - Wethersfield, CT
  • Average rainfall in May: 2.6"

The wettest month (with the highest rainfall) is December (3.19").
The driest month (with the least rainfall) is September (1.93").

Average rainfall days in May
Wethersfield, CT

Average rainfall days in May - Wethersfield, CT
  • Average rainfall days in May: 17.3 days

The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is January (9.2 days).

Average snowfall in May
Wethersfield, CT

Average snowfall in May - Wethersfield, CT
  • Average snowfall in May: 0.31"

The month with the highest snowfall is February (4.45").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in May
Wethersfield, CT

Average snowfall days in May - Wethersfield, CT
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is February (8.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Wethersfield, 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 months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in May
Wethersfield, CT

Average sunshine days in May - Wethersfield, CT
  • Average sunshine days in May: 11 days

The month with the most sunshine days is January (17.6 days).
The month with the least sunshine days is June (10.7 days).

Average UV index in May
Wethersfield, CT

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

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

Average cloud cover in May
Wethersfield, CT

Average cloud cover in May - Wethersfield, 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 33).

Average visibility in May
Wethersfield, CT

Average visibility in May - Wethersfield, 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).

Wethersfield, Connecticut, USA

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