May weather forecast and climate
Walnut Creek, NC

May, the last month of the spring, in Walnut Creek, is a moderately hot month, with average temperature fluctuating between 78.8°F (26°C) and 61.3°F (16.3°C).

Temperature

In May, the average high-temperature marginally rises, from a pleasant 71.2°F (21.8°C) in April, to a moderately hot 78.8°F (26°C). In May, in Walnut Creek, North Carolina, the average low-temperature is 61.3°F (16.3°C).

Humidity

The average relative humidity in Walnut Creek, North Carolina, is 78%.

Rainfall

In May, in Walnut Creek, the rain falls for 10.9 days. Throughout May, 0.75" (19mm) of precipitation is accumulated. In Walnut Creek, during the entire year, the rain falls for 110.7 days and collects up to 9.02" (229mm) of precipitation.

Snowfall

March through December are months without snowfall in Walnut Creek.

Daylight

In May, the average length of the day in Walnut Creek is 14h.

Sunshine

In Walnut Creek, the average sunshine in May is 9.8h.

UV index

In May, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from the exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 6 transform into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in May in Walnut Creek?

The average high-temperature, in May, in Walnut Creek, North Carolina, is 78.8°F (26°C), while the average low-temperature is 61.3°F (16.3°C).

What is the average humidity in May in Walnut Creek?

The average relative humidity in May is 78%.

How much does it rain in Walnut Creek in May?

In May, in Walnut Creek, North Carolina, the rain falls for 10.9 days. Throughout May, 0.75" (19mm) of precipitation is accumulated.

When it does not snow in Walnut Creek?

March through December are months without snowfall.

What is the average length of the day in May in Walnut Creek?

In Walnut Creek, the average length of the day in May is 14h.

How many hours of sunshine does Walnut Creek have in May?

In May, the average sunshine in Walnut Creek is 9.8h.

What is the UV index intensity in May in Walnut Creek?

In Walnut Creek, North Carolina, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from the exposure to the Sun's UV rays.
Average temperature in May - Walnut Creek, NC
  • Average high temperature in May: 26°C

The warmest month (with the highest average high temperature) is July (31.3°C).
The month with the lowest average high temperature is January (9.8°C).

  • Average low temperature in May: 16.3°C

The month with the highest average low temperature is July (22°C).
The coldest month (with the lowest average low temperature) is January (1.4°C).

Average pressure in May - Walnut Creek, NC
  • Average pressure in May: 1016.8mbar

The month with the highest atmospheric pressure is November (1020.5mbar).
The month with the lowest atmospheric pressure is June (1014.6mbar).

Average wind speed in May - Walnut Creek, NC
  • Average wind speed in May: 11.9km/h

The windiest month (with the highest average wind speed) is April (13.9km/h).
The calmest month (with the lowest average wind speed) is August (9km/h).

Average humidity in May - Walnut Creek, NC
  • Average humidity in May: 78%

Months with the highest relative humidity are August and September (79%).
The month with the lowest relative humidity is January (73%).

Average rainfall in May - Walnut Creek, NC
  • Average rainfall in May: 19mm

The wettest month (with the highest rainfall) is August (36mm).
The driest month (with the least rainfall) is January (10mm).

Average rainfall days in May - Walnut Creek, NC
  • Average rainfall days in May: 10.9 days

The month with the highest number of rainy days is August (15 days).
The month with the least rainy days is November (5.8 days).

Average snowfall in May - Walnut Creek, NC
  • Average snowfall in May: 0mm

The month with the highest snowfall is February (2mm).
Months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in May - Walnut Creek, NC
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (0.7 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in May / Average sunshine in May - Walnut Creek, NC
  • Average daylight in May: 14h

The month with the longest days is June (Average daylight: 14.5h).
The month with the shortest days is December (Average daylight: 9.8h).

  • Average sunshine in May: 9.8h

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is December (Average sunshine: 5.5h).

Average sunshine days in May - Walnut Creek, NC
  • Average sunshine days in May: 16.2 days

The month with the most sunshine days is October (23.5 days).
The month with the least sunshine days is June (11.3 days).

Average UV index in May - Walnut Creek, NC
  • Average UV index in May: 6

Months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is January (UV index 2).

Average cloud cover in May - Walnut Creek, NC
  • Average cloud cover in May: 37

Months with the most cloud cover are February and March (Cloud cover 41).
Months with the least cloud cover are June, July and October (Cloud cover 32).

Average visibility in May - Walnut Creek, NC
  • Average visibility in May: 9km

Months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (9km).
The month with the lowest visibility is August (8km).