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 an average temperature ranging between min 49.6°F and max 68.5°F.

Temperature

The start of May brings a shift in the average high-temperature, increasing from April's mild 56.8°F to an agreeable 68.5°F. Throughout May, Marion witnesses a consistent average low-temperature of 49.6°F.

Humidity

The average relative humidity in May is 75%.

Rainfall

In Marion, in May, during 17.1 rainfall days, 2.68" of precipitation is typically accumulated. Throughout the year, there are 162.7 rainfall days, and 34.57" of precipitation is accumulated.

Snowfall

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

Daylight

In May, the average length of the day in Marion is 14h and 32min.
On the first day of the month, sunrise is at 5:48 am and sunset at 7:49 pm. On the last day of May, 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 May, the average daily maximum UV index in Marion is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 5 during May leads to these advisories:
Exercise prevention - Protecting skin and eyes from harm is required. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
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FAQ

What are May temperatures in Marion?

In May, the average high-temperature and low-temperature are 68.5°F and 49.6°F respectively.

What is the average humidity in May in Marion?

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

How many days does it rain in May in Marion?

In Marion, in May, it is raining for 17.1 days, with typically 2.68" of accumulated precipitation.

What is the last month it snows in Marion?

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

How many hours of daylight does Marion have in May?

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

When is the sunrise / sunset in May in Marion?

In May, on the first day of the month, sunrise is at 5:48 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 5:20 am and sunset at 8:18 pm EDT.

How long on average sun shines in May in Marion?

In May, the average sunshine duration is 8.2h.

What is the UV index reading in May in Marion?

The average daily maximum UV index in May in Marion, Connecticut, is 5. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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Marion, Connecticut, USA

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