May weather forecast
Wallingford, CT

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Weather in May

The last month of the spring, May, is an agreeable month in Wallingford, Connecticut, with an average temperature ranging between max 68.5°F (20.3°C) and min 49.6°F (9.8°C).

Temperature

As Wallingford enters May, the average high-temperature increases from the a mild 56.8°F (13.8°C) of April to an agreeable 68.5°F (20.3°C). In the month of May, Wallingford's average low-temperature falls to a chilly 49.6°F (9.8°C).

Humidity

In Wallingford, the average relative humidity in May is 75%.

Rainfall

In Wallingford, in May, it is raining for 17.1 days, with typically 2.68" (68mm) of accumulated precipitation. Throughout the year, in Wallingford, there are 162.7 rainfall days, and 34.57" (878mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, November and December. May is the last month it regularly snows in Wallingford. During 0.1 snowfall days, in May, Wallingford aggregates 0.43" (11mm) of snow. In Wallingford, during the entire year, snow falls for 30 days and aggregates up to 15.28" (388mm) of snow.

Daylight

The average length of the day in May in Wallingford is 14h and 32min.
On the first day of the month, sunrise is at 5:47 am and sunset at 7:49 pm. On the last day of May, sunrise is at 5:19 am and sunset at 8:18 pm EDT.

Sunshine

In Wallingford, the average sunshine in May is 8.2h.

UV index

In Wallingford, Connecticut, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 5 in May converts into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
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Frequently asked questions

What are May temperatures in Wallingford?

During May, Wallingford experiences an average high-temperature of 68.5°F (20.3°C) and a low-temperature of 49.6°F (9.8°C).

What is the average humidity in May in Wallingford?

The average relative humidity in May is 75%.

How much does it rain in Wallingford in May?

In Wallingford, in May, it is raining for 17.1 days, with typically 2.68" (68mm) of accumulated precipitation.

What is the last month it snows in Wallingford?

May is the last month it regularly snows. During 0.1 snowfall days, in May, Wallingford aggregates 0.43" (11mm) of snow.

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

In May, the average day length is 14h and 32min.

When are sunrise and sunset in May in Wallingford?

On the first day of May in Wallingford, sunrise is at 5:47 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 5:19 am and sunset at 8:18 pm EDT.

How long on average sun shines in May in Wallingford?

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

What is the UV index reading in May in Wallingford?

In May, the average daily maximum UV index 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
Wallingford, CT

Average temperature in May - Wallingford, 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 (33.6°F).

  • Average low temperature in May: 49.6°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).

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Average pressure in May
Wallingford, CT

Average pressure in May - Wallingford, 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).

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Average wind speed in May
Wallingford, CT

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

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

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Average humidity in May
Wallingford, CT

Average humidity in May - Wallingford, CT
  • Average humidity in May: 75%

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

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Average rainfall in May
Wallingford, CT

Average rainfall in May - Wallingford, CT
  • Average rainfall in May: 2.68"

The wettest month (with the highest rainfall) is December (3.82").
The driest month (with the least rainfall) is September (1.97").

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Average rainfall days in May
Wallingford, CT

Average rainfall days in May - Wallingford, CT
  • Average rainfall days in May: 17.1 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.4 days).

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Average snowfall in May
Wallingford, CT

Average snowfall in May - Wallingford, CT
  • Average snowfall in May: 0.43"

The month with the highest snowfall is March (4.06").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in May
Wallingford, CT

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

The month with the highest number of snowfall days is February (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Wallingford, CT
  • Average daylight in May: 14h and 3min

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 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 30min).

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Average sunshine days in May
Wallingford, CT

Average sunshine days in May - Wallingford, CT
  • Average sunshine days in May: 12.3 days

The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is June (10.9 days).

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Average UV index in May
Wallingford, CT

Average UV index in May - Wallingford, CT
  • 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).

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Average cloud cover in May
Wallingford, CT

Average cloud cover in May - Wallingford, CT
  • Average cloud cover in May: 48

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 35).

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Average visibility in May
Wallingford, CT

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

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

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Wallingford, Connecticut, USA

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