May weather forecast
Kirby, WV

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Weather in May

May, the last month of the spring in Kirby, is a pleasant month, with an average temperature varying between 72.1°F (22.3°C) and 50.5°F (10.3°C).

Temperature

Kirby sees an increase in the average high-temperature with the arrival of May, moving from April's refreshing 61.7°F (16.5°C) to an agreeable 72.1°F (22.3°C). In Kirby, the May nights descend to a significantly cooler average of 50.5°F (10.3°C) compared to daytime highs.

Humidity

The average relative humidity in May is 77%.

Rainfall

The month with the most rainfall is May, when the rain falls for 18.4 days and typically aggregates up to 3.11" (79mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Kirby aggregates 0.08" (2mm) of snow. In Kirby, during the entire year, snow falls for 31.2 days and aggregates up to 16.5" (419mm) of snow.

Daylight

In Kirby, the average length of the day in May is 14h and 20min.
On the first day of May, sunrise is at 6:15 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 8:34 pm EDT.

Sunshine

The average sunshine in May is 9.2h.

UV index

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The UV index of 5 in May translates into these instructions:
Undertake precautions - Guarding against sun damage is counselled. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Enhance your sun protection with tightly woven, yet airy clothing. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.

Frequently asked questions

What are May temperatures?

The high-temperature, in May, in Kirby, records 72.1°F (22.3°C), while the low-temperature is 50.5°F (10.3°C).

What is the average humidity in May?

The average relative humidity in May is 77%.

What is the rainiest month in Kirby?

May is the month with the most rainfall. Rain falls for 18.4 days and accumulates 3.11" (79mm) of precipitation.

How much does it rain in May?

In Kirby, in May, it is raining for 18.4 days, with typically 3.11" (79mm) of accumulated precipitation.

What is the last month it snows in Kirby?

May is the last month it regularly snows. During 0.1 snowfall days, in May, Kirby aggregates 0.08" (2mm) of snow.

What is the average length of the day in May?

In May, the average day length in Kirby is 14h and 20min.

What time are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:15 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 8:34 pm EDT.

How many hours of sunshine does Kirby have in May?

The average sunshine duration in May is 9.2h.

What is the UV index reading in May?

The average daily maximum UV index in May in Kirby is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Kirby, WV

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

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in May: 50.5°F

The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

Average pressure in May
Kirby, WV

Average pressure in May - Kirby, WV
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in May
Kirby, WV

Average wind speed in May - Kirby, WV
  • Average wind speed in May: 5.4mph

The windiest month (with the highest average wind speed) is February (7.1mph).
The calmest month (with the lowest average wind speed) is August (4mph).

Average humidity in May
Kirby, WV

Average humidity in May - Kirby, WV
  • Average humidity in May: 77%

The month with the highest relative humidity is October (79%).
The months with the lowest relative humidity are April and July (74%).

Average rainfall in May
Kirby, WV

Average rainfall in May - Kirby, WV
  • Average rainfall in May: 3.11"

The wettest month (with the highest rainfall) is May (3.11").
The driest months (with the least rainfall) are February and November (1.73").

Average rainfall days in May
Kirby, WV

Average rainfall days in May - Kirby, WV
  • Average rainfall days in May: 18.4 days

The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is November (9.1 days).

Average snowfall in May
Kirby, WV

Average snowfall in May - Kirby, WV
  • Average snowfall in May: 0.08"

The month with the highest snowfall is March (4.21").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Kirby, WV

Average snowfall days in May - Kirby, WV
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in May: 9h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 6min).

Average sunshine days in May
Kirby, WV

Average sunshine days in May - Kirby, WV
  • Average sunshine days in May: 10.1 days

The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is May (10.1 days).

Average UV index in May
Kirby, WV

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

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

Average cloud cover in May
Kirby, WV

Average cloud cover in May - Kirby, WV
  • Average cloud cover in May: 42

The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).

Average visibility in May
Kirby, WV

Average visibility in May - Kirby, WV
  • Average visibility in May: 5mi

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

Kirby, West Virginia, USA

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