May weather forecast
Delphi, WV

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Weather in May

May, the last month of the spring in Delphi, is an agreeable month, with temperature in the range of an average high of 69.3°F (20.7°C) and an average low of 48.9°F (9.4°C).

Temperature

Delphi in May experiences an increase in the average high-temperature, moving from April's mild 59.2°F (15.1°C) to an agreeable 69.3°F (20.7°C). Delphi registers a consistent average low-temperature of 48.9°F (9.4°C) during May.

Humidity

The average relative humidity in May is 82%.

Rainfall

May is the month with the most rainfall. Rain falls for 23.4 days and accumulates 4.49" (114mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Delphi aggregates 0.51" (13mm) of snow. Throughout the year, there are 59.4 snowfall days, and 37.4" (950mm) of snow is accumulated.

Daylight

In May, the average length of the day is 14h and 16min.
On the first day of the month, sunrise is at 6:24 am and sunset at 8:14 pm. On the last day of May, in Delphi, sunrise is at 6:00 am and sunset at 8:40 pm EDT.

Sunshine

In Delphi, the average sunshine in May is 8.7h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 5 during May translates into the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.

Frequently asked questions

What are the temperatures in May?

The high-temperature, in May, in Delphi, records 69.3°F (20.7°C), while the low-temperature is 48.9°F (9.4°C).

What is the average humidity in May?

The average relative humidity in May is 82%.

What is the rainiest month?

The month with the most rainfall is May, when the rain falls for 23.4 days and typically aggregates up to 4.49" (114mm) of precipitation.

How much does it rain in Delphi in May?

In Delphi, in May, it is raining for 23.4 days, with typically 4.49" (114mm) of accumulated precipitation.

What is the last month it snows in Delphi?

May is the last month it regularly snows. During 0.3 snowfall days, in May, Delphi aggregates 0.51" (13mm) of snow.

How many hours of daylight does Delphi have in May?

In May, the average day length is 14h and 16min.

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 6:24 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 8:40 pm EDT.

How many hours of sunshine does Delphi have in May?

The average sunshine duration in May in Delphi is 8.7h.

What are the months with the highest UV index?

The months with the highest UV index are May through August, with an average maximum UV index of 5.

What is the UV index reading in May?

The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
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
Delphi, WV

Average temperature in May - Delphi, WV
  • Average high temperature in May: 69.3°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (34.9°F).

  • Average low temperature in May: 48.9°F

The month with the highest average low temperature is July (57.9°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in May
Delphi, WV

Average pressure in May - Delphi, 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
Delphi, WV

Average wind speed in May - Delphi, WV
  • Average wind speed in May: 6.1mph

The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity in May
Delphi, WV

Average humidity in May - Delphi, WV
  • Average humidity in May: 82%

The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are June, July and November (79%).

Average rainfall in May
Delphi, WV

Average rainfall in May - Delphi, WV
  • Average rainfall in May: 4.49"

The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is September (2.13").

Average rainfall days in May
Delphi, WV

Average rainfall days in May - Delphi, WV
  • Average rainfall days in May: 23.4 days

The month with the highest number of rainy days is May (23.4 days).
The month with the least rainy days is January (11.4 days).

Average snowfall in May
Delphi, WV

Average snowfall in May - Delphi, WV
  • Average snowfall in May: 0.51"

The month with the highest snowfall is February (8.62").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Delphi, WV

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

The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

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 30min).

  • Average sunshine in May: 8h and 4min

The months with the most sunshine are June and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in May
Delphi, WV

Average sunshine days in May - Delphi, WV
  • Average sunshine days in May: 5.9 days

The month with the most sunshine days is October (14.6 days).
The month with the least sunshine days is May (5.9 days).

Average UV index in May
Delphi, WV

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

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in May
Delphi, WV

Average cloud cover in May - Delphi, WV
  • Average cloud cover in May: 48

The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 38).

Average visibility in May
Delphi, WV

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

The months with the highest visibility are March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January, February and September (4mi).

Delphi, West Virginia, USA

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