May weather forecast
Norfolk, CT

Share

Weather in May

May, the last month of the spring in Norfolk, is a comfortable month, with temperature in the range of an average high of 67.1°F (19.5°C) and an average low of 47.3°F (8.5°C).

Temperature

Norfolk's May weather brings a rise in high-temperatures, moving from a mild 55.4°F (13°C) in April to a comfortable 67.1°F (19.5°C). Norfolk's temperature drops to an average low of 47.3°F (8.5°C) during the nights of May.

Humidity

In Norfolk, the average relative humidity in May is 76%.

Rainfall

In May, in Norfolk, the rain falls for 16.9 days. Throughout May, 2.95" (75mm) of precipitation is accumulated. In Norfolk, during the entire year, the rain falls for 157.2 days and collects up to 33.31" (846mm) of precipitation.

Snowfall

Months with snowfall in Norfolk are January through May, October through December. May is the last month it regularly snows in Norfolk, Connecticut. During 0.2 snowfall days, in May, Norfolk aggregates 0.16" (4mm) of snow. Throughout the year, there are 45.3 snowfall days, and 25.63" (651mm) of snow is accumulated.

Daylight

In Norfolk, the average length of the day in May is 14h and 35min.
On the first day of May, sunrise is at 5:47 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:19 am and sunset at 8:21 pm EDT.

Sunshine

The average sunshine in May is 8h.

UV index

In May, the average daily maximum UV index in Norfolk, Connecticut, is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: In May, the maximum UV index of 5 translates into these guidelines:
Undertake precautions - It is suggested to shield oneself from sunburn. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Norfolk in May?

In Norfolk, in May, the average high-temperature is 67.1°F (19.5°C), and the average low-temperature is 47.3°F (8.5°C).

What is the average humidity in May in Norfolk?

In Norfolk, the average relative humidity in May is 76%.

How many days does it rain in May in Norfolk?

In Norfolk, in May, during 16.9 rainfall days, 2.95" (75mm) of precipitation is typically accumulated.

What is the last month it snows in Norfolk?

May is the last month it regularly snows in Norfolk, Connecticut. During 0.2 snowfall days, in May, Norfolk aggregates 0.16" (4mm) of snow.

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

In May, the average day length in Norfolk, Connecticut, is 14h and 35min.

When are sunrise and sunset in May in Norfolk?

In May, on the first day of the month, sunrise is at 5:47 am and sunset at 7:52 pm. On the last day of the month, in Norfolk, sunrise is at 5:19 am and sunset at 8:21 pm EDT.

How long on average sun shines in May in Norfolk?

In May, the average sunshine duration in Norfolk is 8h.

What is the UV index intensity in May in Norfolk?

In Norfolk, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
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
Norfolk, CT

Average temperature in May - Norfolk, CT
  • Average high temperature in May: 67.1°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.4°F).

  • Average low temperature in May: 47.3°F

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (18°F).

Average pressure in May
Norfolk, CT

Average pressure in May - Norfolk, 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
Norfolk, CT

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

The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

Average humidity in May
Norfolk, CT

Average humidity in May - Norfolk, CT
  • Average humidity in May: 76%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (74%).

Average rainfall in May
Norfolk, CT

Average rainfall in May - Norfolk, CT
  • Average rainfall in May: 2.95"

The wettest months (with the highest rainfall) are October and December (3.31").
The driest month (with the least rainfall) is September (2.09").

Average rainfall days in May
Norfolk, CT

Average rainfall days in May - Norfolk, CT
  • Average rainfall days in May: 16.9 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is February (7.1 days).

Average snowfall in May
Norfolk, CT

Average snowfall in May - Norfolk, CT
  • Average snowfall in May: 0.16"

The month with the highest snowfall is February (6.38").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Norfolk, CT

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

The month with the highest number of snowfall days is February (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Norfolk, 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 0min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

Average sunshine days in May
Norfolk, CT

Average sunshine days in May - Norfolk, CT
  • Average sunshine days in May: 11.8 days

The month with the most sunshine days is January (16.8 days).
The month with the least sunshine days is June (11.4 days).

Average UV index in May
Norfolk, CT

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

The month with the highest UV index is June (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
Norfolk, CT

Average cloud cover in May - Norfolk, CT
  • Average cloud cover in May: 50

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 37).

Average visibility in May
Norfolk, CT

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

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

Norfolk, Connecticut, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location