May weather forecast and climate
Cullowhee, NC

The last month of the spring, May, is an agreeable month in Cullowhee, North Carolina, with average temperature fluctuating between 70.7°F (21.5°C) and 50.5°F (10.3°C).

Temperature

In May, the average high-temperature slightly increases, from an enjoyable 62.8°F (17.1°C) in April, to a pleasant 70.7°F (21.5°C). In Cullowhee, the average low-temperature is 50.5°F (10.3°C).

Humidity

May and September, with an average relative humidity of 81%, are most humid months.

Rainfall

In Cullowhee, North Carolina, during May, the rain falls for 19.6 days and regularly aggregates up to 3.7" (94mm) of precipitation. Throughout the year, in Cullowhee, there are 189.2 rainfall days, and 40.39" (1026mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall in Cullowhee.

Daylight

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

Sunshine

The average sunshine in Cullowhee, North Carolina, is 9.3h.

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in May in Cullowhee?

In May, in Cullowhee, the average high-temperature is 70.7°F (21.5°C), and the average low-temperature is 50.5°F (10.3°C).

What is the most humid month in Cullowhee?

Months with the highest humidity in Cullowhee, North Carolina, are May and September, with an average relative humidity of 81%.

What is the average humidity in May in Cullowhee?

In Cullowhee, the average relative humidity in May is 81%.

How many days does it rain in May in Cullowhee?

In Cullowhee, in May, it is raining for 19.6 days, with typically 3.7" (94mm) of accumulated precipitation.

Does it snow in Cullowhee in May?

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

When it does not snow in Cullowhee?

In Cullowhee snow does not fall in May through September.

How many hours of daylight does Cullowhee have in May?

The average length of the day in May is 14h.

How many hours of sunshine does Cullowhee have in May?

In Cullowhee, North Carolina, the average sunshine in May is 9.3h.

When is the highest UV index in Cullowhee?

May through August, with an average maximum UV index of 5, are months with the highest UV index in Cullowhee.

What is the UV index intensity in May in Cullowhee?

In May, the average daily maximum UV index in Cullowhee is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in May - Cullowhee, NC
  • Average high temperature in May: 21.5°C

The warmest month (with the highest average high temperature) is July (26.8°C).
The month with the lowest average high temperature is January (5.9°C).

  • Average low temperature in May: 10.3°C

The month with the highest average low temperature is July (15.3°C).
The coldest month (with the lowest average low temperature) is January (-2.8°C).

Average pressure in May - Cullowhee, NC
  • Average pressure in May: 1016.8mbar

The month with the highest atmospheric pressure is November (1021.1mbar).
The month with the lowest atmospheric pressure is June (1015.6mbar).

Average wind speed in May - Cullowhee, NC
  • Average wind speed in May: 7.4km/h

The windiest months (with the highest average wind speed) are January, February and April (9.3km/h).
The calmest month (with the lowest average wind speed) is August (5km/h).

Average humidity in May - Cullowhee, NC
  • Average humidity in May: 81%

Months with the highest relative humidity are May and September (81%).
The month with the lowest relative humidity is November (77%).

Average rainfall in May - Cullowhee, NC
  • Average rainfall in May: 94mm

The wettest month (with the highest rainfall) is July (110mm).
The driest month (with the least rainfall) is September (65mm).

Average rainfall days in May - Cullowhee, NC
  • Average rainfall days in May: 19.6 days

The month with the highest number of rainy days is July (20.9 days).
The month with the least rainy days is November (10.7 days).

Average snowfall in May - Cullowhee, NC
  • Average snowfall in May: 0mm

The month with the highest snowfall is December (75mm).
Months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in May - Cullowhee, NC
  • Average snowfall days in May: 0.1 days

Months with the highest number of snowfall days are January and February (5.3 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May / Average sunshine in May - Cullowhee, 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: 9.3h

The month with the most sunshine is June (Average sunshine: 10.2h).
The month with the least sunshine is December (Average sunshine: 5.2h).

Average sunshine days in May - Cullowhee, NC
  • Average sunshine days in May: 9.6 days

The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is July (8.8 days).

Average UV index in May - Cullowhee, NC
  • Average UV index in May: 5

Months with the highest UV index are May, June, July and August (UV index 5).
Months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in May - Cullowhee, NC
  • Average cloud cover in May: 43

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 37).

Average visibility in May - Cullowhee, NC
  • Average visibility in May: 8km

Months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (8km).
The month with the lowest visibility is September (7km).