May weather forecast
Weirton, WV

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Weather in May

May introduces warmer conditions in Weirton with the onset of the summer season. A noticeable reduction in cloud cover leads to an increasing hours of sunshine, totaling 8.6 hours per day. Residents bid farewell to the winter chill with temperatures touching a maximum of 72.1°F (22.3°C). The frequency and amount of rainfall persists, painting the city in vibrant shades of green. Overall, the warm temperatures, coupled with substantial daylight and generous sunshine, contribute to the city’s lively ambience during May.

Temperature

May's arrival brings a change in high-temperatures, moving from a mild 60.1°F (15.6°C) in April to an agreeable 72.1°F (22.3°C). Weirton, amid May nights, sees a noteworthy disparity from daily highs with an average temperature of 50.5°F (10.3°C).

Humidity

The average relative humidity in May is 78%.

Rainfall

May is the month with the most rainfall in Weirton. Rain falls for 20.5 days and accumulates 3.19" (81mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.3 snowfall days, in May, Weirton aggregates 0.16" (4mm) of snow. Throughout the year, there are 56.5 snowfall days, and 19.41" (493mm) of snow is accumulated.

Daylight

In Weirton, the average length of the day in May is 14h and 26min.
On the first day of the month, sunrise is at 6:20 am and sunset at 8:18 pm. On the last day of May, in Weirton, sunrise is at 5:54 am and sunset at 8:46 pm EDT.

Sunshine

In May, the average sunshine is 8.6h.

UV index

In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index of 5 during May leads to these instructions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.

Frequently asked questions

What is the average May temperature?

In Weirton, 72.1°F (22.3°C) is the average high-temperature and 50.5°F (10.3°C) is the average low-temperature during May.

What is the average humidity in May?

In May, the average relative humidity in Weirton is 78%.

What is the wettest month in Weirton?

The month with the most rainfall is May, when the rain falls for 20.5 days and typically aggregates up to 3.19" (81mm) of precipitation.

How much does it rain in May?

In Weirton, West Virginia, during May, the rain falls for 20.5 days and regularly aggregates up to 3.19" (81mm) of precipitation.

What is the last month it snows?

May is the last month it regularly snows. During 0.3 snowfall days, in May, Weirton aggregates 0.16" (4mm) of snow.

What is the average length of the day in May?

In May, the average day length is 14h and 26min.

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 6:20 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 8:46 pm EDT.

How many hours of sunshine does Weirton have in May?

In May, the average sunshine duration is 8.6h.

What is the UV index intensity in May?

In Weirton, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Weirton, WV

Average temperature in May - Weirton, WV
  • Average high temperature in May: 72.1°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (33.1°F).

  • Average low temperature in May: 50.5°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).

Average pressure in May
Weirton, WV

Average pressure in May - Weirton, WV
  • Average pressure in May: 29.99"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in May
Weirton, WV

Average wind speed in May - Weirton, WV
  • Average wind speed in May: 6mph

The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

Average humidity in May
Weirton, WV

Average humidity in May - Weirton, WV
  • Average humidity in May: 78%

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (77%).

Average rainfall in May
Weirton, WV

Average rainfall in May - Weirton, WV
  • Average rainfall in May: 3.19"

The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is November (2.17").

Average rainfall days in May
Weirton, WV

Average rainfall days in May - Weirton, WV
  • Average rainfall days in May: 20.5 days

The month with the highest number of rainy days is May (20.5 days).
The month with the least rainy days is February (9.4 days).

Average snowfall in May
Weirton, WV

Average snowfall in May - Weirton, WV
  • Average snowfall in May: 0.16"

The month with the highest snowfall is January (5").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Weirton, WV

Average snowfall days in May - Weirton, WV
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is January (15.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Weirton, WV
  • Average daylight in May: 14h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in May: 8h and 4min

The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

Average sunshine days in May
Weirton, WV

Average sunshine days in May - Weirton, WV
  • Average sunshine days in May: 8.8 days

The month with the most sunshine days is November (15.5 days).
The months with the least sunshine days are January and May (8.8 days).

Average UV index in May
Weirton, WV

Average UV index in May - Weirton, WV
  • Average UV index in May: 5

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in May
Weirton, WV

Average cloud cover in May - Weirton, WV
  • Average cloud cover in May: 46

The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in May
Weirton, WV

Average visibility in May - Weirton, 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 and February (4mi).

Weirton, West Virginia, USA

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