May weather forecast
West Hartford, CT

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Weather in May

May ushers in a transition phase from pleasant spring to impending summer, with the high temperature touching 68.5°F (20.3°C). Days start to lengthen, and the humidity sees a small rise compared to April. Precipitations occur dominantly as rainfall, with snow practically disappearing. Gentle breezes pick up towards midday, making afternoons and evenings more comfortable. May paints a canvas of growing warmth, lengthier days, and a humidity-tinged atmosphere.

Temperature

May in West Hartford witnesses an increase in the average high-temperature, moving from a moderate 56.5°F (13.6°C) in April to a pleasant 68.5°F (20.3°C). The average low-temperature, in May, in West Hartford, is a frosty 49.5°F (9.7°C).

Humidity

In May, the average relative humidity in West Hartford is 73%.

Rainfall

In West Hartford, in May, during 17.8 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. Throughout the year, in West Hartford, Connecticut, there are 166.8 rainfall days, and 31.97" (812mm) of precipitation is accumulated.

Snowfall

January through May, November and December are months with snowfall in West Hartford. May is the last month it regularly snows in West Hartford. During 0.2 snowfall days, in May, West Hartford aggregates 0.24" (6mm) of snow. In West Hartford, during the entire year, snow falls for 30.2 days and aggregates up to 15.67" (398mm) of snow.

Daylight

In West Hartford, the average length of the day in May is 14h and 34min.
On the first day of May, 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

In May, the average sunshine is 8.5h.

UV index

In West Hartford, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: In May, a regular UV index of 5 translates into these guidelines:
Take precautions - Protection against sun damage is advised. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
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Frequently asked questions

What is the temperature in May in West Hartford?

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

What is the average humidity in May in West Hartford?

In West Hartford, the average relative humidity in May is 73%.

How many days does it rain in May in West Hartford?

In West Hartford, in May, it is raining for 17.8 days, with typically 2.6" (66mm) of accumulated precipitation.

What is the last month it snows in West Hartford?

May is the last month it regularly snows in West Hartford, Connecticut. During 0.2 snowfall days, in May, West Hartford aggregates 0.24" (6mm) of snow.

How many hours of daylight does West Hartford have in May?

In May, the average day length in West Hartford, Connecticut, is 14h and 34min.

What time are sunrise and sunset in May in West Hartford?

On the first day of May, 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 long on average sun shines in May in West Hartford?

In May, the average sunshine duration in West Hartford is 8.5h.

What is the UV index intensity in May in West Hartford?

In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
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
West Hartford, CT

Average temperature in May - West Hartford, 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 (32.7°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 (20.7°F).

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Average pressure in May
West Hartford, CT

Average pressure in May - West Hartford, 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
West Hartford, CT

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

The windiest month (with the highest average wind speed) is January (8.2mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

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Average humidity in May
West Hartford, CT

Average humidity in May - West Hartford, CT
  • Average humidity in May: 73%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (70%).

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Average rainfall in May
West Hartford, CT

Average rainfall in May - West Hartford, 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 (2.05").

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Average rainfall days in May
West Hartford, CT

Average rainfall days in May - West Hartford, CT
  • Average rainfall days in May: 17.8 days

The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is January (9 days).

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Average snowfall in May
West Hartford, CT

Average snowfall in May - West Hartford, CT
  • Average snowfall in May: 0.24"

The month with the highest snowfall is February (4.8").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in May
West Hartford, CT

Average snowfall days in May - West Hartford, CT
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is February (8.3 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
West Hartford, CT

Average daylight in May / Average sunshine in May - West Hartford, 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 3min

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).

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Average sunshine days in May
West Hartford, CT

Average sunshine days in May - West Hartford, CT
  • Average sunshine days in May: 10.7 days

The month with the most sunshine days is January (17.5 days).
The month with the least sunshine days is June (10.4 days).

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Average UV index in May
West Hartford, CT

Average UV index in May - West Hartford, 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).

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Average cloud cover in May
West Hartford, CT

Average cloud cover in May - West Hartford, CT
  • Average cloud cover in May: 46

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

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Average visibility in May
West Hartford, CT

Average visibility in May - West Hartford, CT
  • Average visibility in May: 5mi

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

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West Hartford, Connecticut, USA

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