May weather forecastJeffrey, WV

May

Weather in May

May, the last month of the spring in Jeffrey, is a warm month, with an average temperature fluctuating between 74.8°F (23.8°C) and 54.1°F (12.3°C).

Temperature

May brings a temperature increase, with average high-temperatures moving from April's comfortable 64.9°F (18.3°C) to a warm 74.8°F (23.8°C). Jeffrey encounters an average low-temperature of 54.1°F (12.3°C) during May nights.

Humidity

In May, the average relative humidity is 78%.

Rainfall

May is the month with the most rainfall in Jeffrey. Rain falls for 20.6 days and accumulates 3.74" (95mm) of precipitation.

Snowfall

In Jeffrey, snow does not fall in May through September.

Daylight

In Jeffrey, the average length of the day in May is 14h and 14min.
On the first day of May, sunrise is at 6:30 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 8:43 pm EDT.

Sunshine

The average sunshine in May is 9h.

UV index

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum daily UV index of 5 during May morphs into the following directions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature, in May, in Jeffrey, is 74.8°F (23.8°C), while the low-temperature averages to 54.1°F (12.3°C).

In Jeffrey, West Virginia, the average relative humidity in May is 78%.

The month with the most rainfall is May, when the rain falls for 20.6 days and typically aggregates up to 3.74" (95mm) of precipitation.

In Jeffrey, in May, during 20.6 rainfall days, 3.74" (95mm) of precipitation is typically accumulated.

In Jeffrey, West Virginia, snow does not fall in May through September.

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

In Jeffrey, West Virginia, the average day length in May is 14h and 14min.

On the first day of May in Jeffrey, West Virginia, sunrise is at 6:30 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 8:43 pm EDT.

In May, the average sunshine duration is 9h.

In May, the average daily maximum UV index in Jeffrey, West Virginia, is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Jeffrey, WV

  • Average high temperature in May: 74.8°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in May: 54.1°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).

Average pressure in May
Jeffrey, WV

  • Average pressure in May: 30.02"Hg

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed in May
Jeffrey, WV

  • Average wind speed in May: 5.6mph

The windiest months (with the highest average wind speed) are January and February (6.6mph).
The calmest month (with the lowest average wind speed) is August (4mph).

Average humidity in May
Jeffrey, WV

  • Average humidity in May: 78%

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are June, July, August and November (76%).

Average rainfall in May
Jeffrey, WV

  • Average rainfall in May: 3.74"

The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is September (1.77").

Average rainfall days in May
Jeffrey, WV

  • Average rainfall days in May: 20.6 days

The month with the highest number of rainy days is May (20.6 days).
The month with the least rainy days is November (10.9 days).

Average snowfall in May
Jeffrey, WV

  • Average snowfall in May: 0"

The months with the highest snowfall are January and February (5.12").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Jeffrey, WV

  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Jeffrey, WV

  • Average daylight in May: 14h and 12min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in May: 9h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in May
Jeffrey, WV

  • Average sunshine days in May: 9.3 days

The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is February (8.7 days).

Average UV index in May
Jeffrey, WV

  • Average UV index in May: 5

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in May
Jeffrey, WV

  • Average cloud cover in May: 44

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in May
Jeffrey, WV

  • Average visibility in May: 5mi

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