Raleigh
North Carolina, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Raleigh, NC

A view of the George Washington statue overlooking the city buildings of Raleigh, North Carolina
A view of the George Washington statue overlooking the city buildings of Raleigh, North Carolina
May is a warm spring month in Raleigh with ample sunshine and mostly clear skies; The temperatures hover between 57°F (13.9°C) to 80°F (26.7°C), and the air quality usually is excellent.
Late spring attracts crowds with clear skies and the absence of harsh weather. Nights are comfortable with wind speeds rarely exceeding 10 miles per hour. The rainfall registers 3.2" (81.3mm) during ten rainy during the month. Expect many sunny days within May with occasional showers in the afternoon.
Long-sleeved clothes are suitable to wear in temperate conditions.

What is the temperature in May in Raleigh?

The average high-temperature, in May, in Raleigh, North Carolina, is 79.5°F (26.4°C), while the average low-temperature is 56.5°F (13.6°C).

What is the average humidity in May in Raleigh?

The average relative humidity in May in Raleigh, North Carolina, is 71.1%.

How much does it rain in Raleigh in May?

In May, the rain falls for 9.9 days. Throughout May, 3.3" (83.1mm) of precipitation is accumulated.

Does it snow in Raleigh in May?

In May, in Raleigh, North Carolina, it doesn't snow. April is the latest month when it typically snows.

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

The average length of the day in May in Raleigh, North Carolina, is 14.1h.

How long on average sun shines in May in Raleigh?

In Raleigh, the average sunshine in May is 8.3h.

What is the UV index reading in May in Raleigh?

In Raleigh, the average daily maximum UV index in May is 9. A UV Index value of 8 to 10 symbolizes a very high hazard to health from the exposure to the Sun's UV rays.
Average temperature in May - Raleigh, NC
  • Average high temperature in May: 79.6°F

The warmest month (with the highest average high temperature) is July (90.2°F).
The month with the lowest average high temperature is January (50.9°F).

  • Average low temperature in May: 56.5°F

The month with the highest average low temperature is July (69.9°F).
The coldest month (with the lowest average low temperature) is January (31°F).

Average humidity in May - Raleigh, NC
  • Average humidity in May: 71.1%

The month with the highest relative humidity is August (77.9%).
The month with the lowest relative humidity is April (61.7%).

Average rainfall in May - Raleigh, NC
  • Average rainfall in May: 3.3"

The wettest month (with the highest rainfall) is July (4.7").
The driest month (with the lowest rainfall) is April (2.9").

Average rainfall days in May - Raleigh, NC
  • Average rainfall days in May: 9.9 days

The month with the highest number of rainy days is July (11.9 days).
The month with the lowest number of rainy days is October (7.3 days).

Average snowfall in May - Raleigh, NC
  • Average snowfall in May: 0"

The month with the highest snowfall is January (2.9").
Months with the lowest snowfall are May, June, July, August, September and October (0").

Average snowfall days in May - Raleigh, NC
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (1.3 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

Average daylight in May / Average sunshine in May - Raleigh, NC
  • Average daylight in May: 14.1h

The month with the longest days is June (Average daylight: 14.6h).
The month with shortest days is December (Average daylight: 9.8h).

  • Average sunshine in May: 8.3h

The month with most sunshine is June (Average sunshine: 8.9h).
The month with least sunshine is December (Average sunshine: 5.1h).

Average UV index in May - Raleigh, NC
  • Average UV index in May: 9

Months with the highest UV index are June and July (UV index 10).
The month with the lowest UV index is December (UV index 2).