May weather forecast and climate
Jefferson, NC

Weather in May

May, the last month of the spring, in Jefferson, is a pleasant month, with average temperature varying between 70.2°F (21.2°C) and 50.5°F (10.3°C).

Temperature

In Jefferson, North Carolina, the average high-temperature marginally rises, from a comfortable 61.5°F (16.4°C) in April, to an agreeable 70.2°F (21.2°C). In Jefferson, in May, the average low-temperature is 50.5°F (10.3°C).

Humidity

May and September, with an average relative humidity of 80%, are most humid months.

Rainfall

In Jefferson, during May, the rain falls for 11.7 days and regularly aggregates up to 2.24" (57mm) of precipitation. In Jefferson, North Carolina, during the entire year, the rain falls for 118.5 days and collects up to 21.5" (546mm) of precipitation.

Snowfall

Months with snowfall in Jefferson, North Carolina, are January through May, October through December. May is the last month it regularly snows in Jefferson. During 0.2 snowfall days, Jefferson aggregates 0.12" (3mm) of snow. Throughout the year, there are 17.9 snowfall days, and 14.37" (365mm) of snow is accumulated.

Daylight

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

Sunshine

In Jefferson, the average sunshine 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 threat to health from unsafe exposure to the UV radiation for ordinary individuals.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in May in Jefferson?

In May, in Jefferson, the average high-temperature is 70.2°F (21.2°C), and the average low-temperature is 50.5°F (10.3°C).

What is the most humid month in Jefferson?

May and September, with an average relative humidity of 80%, are most humid months in Jefferson, North Carolina.

What is the average humidity in May in Jefferson?

In Jefferson, North Carolina, the average relative humidity in May is 80%.

How many days does it rain in May in Jefferson?

In Jefferson, in May, it is raining for 11.7 days, with typically 2.24" (57mm) of accumulated precipitation.

What is the last month it snows in Jefferson?

May is the last month it regularly snows in Jefferson, North Carolina. During 0.2 snowfall days, in May, Jefferson aggregates 0.12" (3mm) of snow.

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

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

How long on average sun shines in May in Jefferson?

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

What are the months with the highest UV index in Jefferson?

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

How high is the UV index in May in Jefferson?

In Jefferson, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV radiation.

Average temperature in May
Jefferson, NC

Average temperature in May - Jefferson, NC
  • Average high temperature in May: 70.2°F

The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in May: 50.5°F

The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).

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Average pressure in May
Jefferson, NC

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

The month with the highest atmospheric pressure is November (30.16").
The month with the lowest atmospheric pressure is June (29.99").

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Average wind speed in May
Jefferson, NC

Average wind speed in May - Jefferson, NC
  • Average wind speed in May: 6.2mph

The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

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Average humidity in May
Jefferson, NC

Average humidity in May - Jefferson, NC
  • Average humidity in May: 80%

Months with the highest relative humidity are May and September (80%).
The month with the lowest relative humidity is November (76%).

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Average rainfall in May
Jefferson, NC

Average rainfall in May - Jefferson, NC
  • Average rainfall in May: 2.24"

The wettest month (with the highest rainfall) is February (2.28").
The driest month (with the least rainfall) is September (1.26").

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Average rainfall days in May
Jefferson, NC

Average rainfall days in May - Jefferson, NC
  • Average rainfall days in May: 11.7 days

The month with the highest number of rainy days is July (15.5 days).
The month with the least rainy days is November (6.1 days).

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Average snowfall in May
Jefferson, NC

Average snowfall in May - Jefferson, NC
  • Average snowfall in May: 0.12"

The month with the highest snowfall is December (4.76").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Jefferson, NC

Average snowfall days in May - Jefferson, NC
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is February (5.2 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
Jefferson, NC

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

The month with the longest days is June (Average daylight: 14.6h).
The month with the shortest days is December (Average daylight: 9.7h).

  • Average sunshine in May: 9.3h

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

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Average sunshine days in May
Jefferson, NC

Average sunshine days in May - Jefferson, NC
  • Average sunshine days in May: 18.4 days

The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is July (14.2 days).

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Average UV index in May
Jefferson, NC

Average UV index in May - Jefferson, 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, November and December (UV index 2).

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Average cloud cover in May
Jefferson, NC

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

The month with the most cloud cover is February (Cloud cover 51).
Months with the least cloud cover are June and July (Cloud cover 36).

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Average visibility in May
Jefferson, NC

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

The month with the highest visibility is November (6mi).
The month with the lowest visibility is September (4mi).

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