May weather forecast
Durham, CT

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Weather in May

May, the last month of the spring in Durham, 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°F (20°C).

Temperature

In May, the meteorological conditions change with the average high-temperature moving from a mild 56.8°F (13.8°C) in April to an agreeable 68°F (20°C). During May nights, Durham records an average temperature of 49.6°F (9.8°C).

Humidity

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

Rainfall

In Durham, in May, during 17 rainfall days, 2.68" (68mm) of precipitation is typically accumulated. In Durham, during the entire year, the rain falls for 160 days and collects up to 34.57" (878mm) of precipitation.

Snowfall

Months with snowfall in Durham are January through May, November and December. May is the last month it regularly snows in Durham. During 0.2 snowfall days, in May, Durham aggregates 0.51" (13mm) of snow. Throughout the year, there are 31.7 snowfall days, and 17.2" (437mm) of snow is accumulated.

Daylight

In Durham, the average length of the day in May is 14h and 32min.
On the first day of the month, sunrise is at 5:46 am and sunset at 7:48 pm. On the last day of May, in Durham, sunrise is at 5:19 am and sunset at 8:17 pm EDT.

Sunshine

In May, the average sunshine in Durham is 8.1h.

UV index

The average daily maximum UV index in May in Durham is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index of 5 in May converts into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
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Frequently asked questions

What is the temperature in May in Durham?

In May, in Durham, the average high-temperature is 68°F (20°C), and the average low-temperature is 49.6°F (9.8°C).

What is the average humidity in May in Durham?

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

How many days does it rain in May in Durham?

In May, the rain falls for 17 days. Throughout May, 2.68" (68mm) of precipitation is accumulated.

What is the last month it snows in Durham?

May is the last month it regularly snows in Durham. During 0.2 snowfall days, in May, Durham aggregates 0.51" (13mm) of snow.

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

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

When are sunrise and sunset in May in Durham?

On the first day of May in Durham, Connecticut, sunrise is at 5:46 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 5:19 am and sunset at 8:17 pm EDT.

How many hours of sunshine does Durham have in May?

The average sunshine duration in May in Durham, Connecticut, is 8.1h.

What is the UV index reading in May in Durham?

In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health 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
Durham, CT

Average temperature in May - Durham, CT
  • Average high temperature in May: 68°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (34°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 (22.3°F).

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Average pressure in May
Durham, CT

Average pressure in May - Durham, 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
Durham, CT

Average wind speed in May - Durham, CT
  • Average wind speed in May: 6.6mph

The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

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Average humidity in May
Durham, CT

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

The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (71%).

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Average rainfall in May
Durham, CT

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

The wettest month (with the highest rainfall) is December (3.74").
The driest month (with the least rainfall) is September (1.97").

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Average rainfall days in May
Durham, CT

Average rainfall days in May - Durham, CT
  • Average rainfall days in May: 17 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.3 days).

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Average snowfall in May
Durham, CT

Average snowfall in May - Durham, CT
  • Average snowfall in May: 0.51"

The month with the highest snowfall is March (4.33").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in May
Durham, CT

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

The month with the highest number of snowfall days is February (8.5 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
Durham, CT

Average daylight in May / Average sunshine in May - Durham, 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 months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in May
Durham, CT

Average sunshine days in May - Durham, CT
  • Average sunshine days in May: 12.1 days

The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is June (11.5 days).

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Average UV index in May
Durham, CT

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

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

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Average cloud cover in May
Durham, CT

Average cloud cover in May - Durham, CT
  • Average cloud cover in May: 49

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
Durham, CT

Average visibility in May - Durham, 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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Durham, Connecticut, USA

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