May weather forecast and climate
Washington, NC

May, the last month of the spring, in Washington, is a moderately hot month, with average temperature fluctuating between 78.4°F (25.8°C) and 60.4°F (15.8°C).

Temperature

In Washington, the average high-temperature slightly increases, from an agreeable 70.9°F (21.6°C) in April, to a warm 78.4°F (25.8°C). In Washington, the average low-temperature is 60.4°F (15.8°C).

Humidity

In Washington, North Carolina, the average relative humidity in May is 79%.

Rainfall

In Washington, during 17.6 rainfall days, 3.35" (85mm) of precipitation is typically accumulated. Throughout the year, there are 169 rainfall days, and 36.1" (917mm) of precipitation is accumulated.

Snowfall

In Washington snow does not fall in April through October.

Daylight

The average length of the day in May is 14.1h.

Sunshine

In Washington, the average sunshine is 9.4h.

UV index

In May, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health hazard from the exposure to the Sun's UV rays for average individuals.
Note: In May, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. 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.

What is the temperature in May in Washington?

In Washington, in May, the average high-temperature is 78.4°F (25.8°C), and the average low-temperature is 60.4°F (15.8°C).

What is the average humidity in May in Washington?

In Washington, the average relative humidity in May is 79%.

How many days does it rain in May in Washington?

In Washington, North Carolina, in May, it is raining for 17.6 days, with typically 3.35" (85mm) of accumulated precipitation.

When it does not snow in Washington?

In Washington, North Carolina, snow does not fall in April through October.

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

In Washington, the average length of the day in May is 14.1h.

How many hours of sunshine does Washington have in May?

The average sunshine in May in Washington, North Carolina, is 9.4h.

How high is the UV index in May in Washington?

The average daily maximum UV index in May in Washington is 6. A UV Index estimate of 6 to 7 represents a high health risk from the exposure to the Sun's UV radiation.
Average temperature in May - Washington, NC
  • Average high temperature in May: 78.4°F

The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (49.6°F).

  • Average low temperature in May: 60.4°F

The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (33.6°F).

Average pressure in May - Washington, NC
  • Average pressure in May: 30.03"

Months with the highest atmospheric pressure are November and December (30.13").
The month with the lowest atmospheric pressure is June (29.96").

Average wind speed in May - Washington, NC
  • Average wind speed in May: 6.8mph

The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in May - Washington, NC
  • Average humidity in May: 79%

Months with the highest relative humidity are August, September and December (80%).
Months with the lowest relative humidity are January and April (76%).

Average rainfall in May - Washington, NC
  • Average rainfall in May: 3.35"

The wettest month (with the highest rainfall) is August (4.17").
The driest month (with the least rainfall) is January (2.05").

Average rainfall days in May - Washington, NC
  • Average rainfall days in May: 17.6 days

The month with the highest number of rainy days is July (20.3 days).
The month with the least rainy days is November (9.1 days).

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

The month with the highest snowfall is February (1.1").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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

The month with the highest number of snowfall days is January (1.6 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 - Washington, NC
  • Average daylight in May: 14.1h

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: 9.4h

Months with the most sunshine are June and July (Average sunshine: 10.4h).
The month with the least sunshine is January (Average sunshine: 5.3h).

Average sunshine days in May - Washington, NC
  • Average sunshine days in May: 11.3 days

The month with the most sunshine days is October (19.4 days).
The month with the least sunshine days is July (7.8 days).

Average UV index in May - Washington, 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 - Washington, NC
  • Average cloud cover in May: 41

The month with the most cloud cover is March (Cloud cover 44).
Months with the least cloud cover are June and October (Cloud cover 35).

Average visibility in May - Washington, NC
  • Average visibility in May: 5mi

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