May weather forecast
Marion, CT

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Weather in May

May, the last month of the spring in Marion, is a pleasant month, with temperature in the range of an average low of 49.6°F (9.8°C) and an average high of 68.5°F (20.3°C).

Temperature

May's arrival brings a temperature shift, moving from a mild 56.8°F (13.8°C) in April to an agreeable 68.5°F (20.3°C). Marion witnesses an average low-temperature of 49.6°F (9.8°C) throughout the month of May.

Humidity

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

Rainfall

In May, the rain falls for 17.1 days. Throughout May, 2.68" (68mm) of precipitation is accumulated. In Marion, during the entire year, the rain falls for 162.7 days and collects up to 34.57" (878mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall in Marion. May is the last month it regularly snows. During 0.1 snowfall days, in May, Marion aggregates 0.43" (11mm) of snow. Throughout the year, in Marion, there are 30 snowfall days, and 15.28" (388mm) of snow is accumulated.

Daylight

In May, the average length of the day is 14h and 32min.
On the first day of May in Marion, sunrise is at 5:47 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:20 am and sunset at 8:18 pm EDT.

Sunshine

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

UV index

In Marion, Connecticut, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: In May, the maximum UV index of 5 translates into these guidelines:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
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 Marion?

The high-temperature, in May, in Marion, records 68.5°F (20.3°C), while the low-temperature is 49.6°F (9.8°C).

What is the average humidity in May in Marion?

The average relative humidity in May in Marion is 75%.

How much does it rain in Marion in May?

In Marion, during May, the rain falls for 17.1 days and regularly aggregates up to 2.68" (68mm) of precipitation.

What is the last month it snows in Marion?

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

How many hours of daylight does Marion have in May?

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

When are sunrise and sunset in May in Marion?

On the first day of May in Marion, Connecticut, sunrise is at 5:47 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:20 am and sunset at 8:18 pm EDT.

How many hours of sunshine does Marion have in May?

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

How high is the UV index in May in Marion?

In Marion, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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
Marion, CT

Average temperature in May - Marion, 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).

Average pressure in May
Marion, CT

Average pressure in May - Marion, 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
Marion, CT

Average wind speed in May - Marion, 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).

Average humidity in May
Marion, CT

Average humidity in May - Marion, 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%).

Average rainfall in May
Marion, CT

Average rainfall in May - Marion, 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").

Average rainfall days in May
Marion, CT

Average rainfall days in May - Marion, 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).

Average snowfall in May
Marion, CT

Average snowfall in May - Marion, 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").

Average snowfall days in May
Marion, CT

Average snowfall days in May - Marion, 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).

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

Average daylight in May / Average sunshine in May - Marion, 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).

Average sunshine days in May
Marion, CT

Average sunshine days in May - Marion, 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).

Average UV index in May
Marion, CT

Average UV index in May - Marion, 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).

Average cloud cover in May
Marion, CT

Average cloud cover in May - Marion, 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).

Average visibility in May
Marion, CT

Average visibility in May - Marion, 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).

Marion, Connecticut, USA

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