May weather forecast
Robson, WV

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Weather in May

The last month of the spring, May, is a warm month in Robson, West Virginia, with an average temperature ranging between min 52.3°F (11.3°C) and max 73.4°F (23°C).

Temperature

May's arrival brings a change in high-temperatures, moving from a refreshing 63.7°F (17.6°C) in April to a warm 73.4°F (23°C). Robson, in May, witnesses an average low-temperature of 52.3°F (11.3°C).

Humidity

The average relative humidity in May is 79%.

Rainfall

May is the month with the most rainfall. Rain falls for 20.8 days and accumulates 3.94" (100mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Robson aggregates 0.31" (8mm) of snow. In Robson, during the entire year, snow falls for 45.1 days and aggregates up to 22.2" (564mm) of snow.

Daylight

In May, the average length of the day is 14h and 15min.
On the first day of the month, sunrise is at 6:27 am and sunset at 8:16 pm. On the last day of May, sunrise is at 6:03 am and sunset at 8:41 pm EDT.

Sunshine

In May, the average sunshine is 9h.

UV index

In Robson, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: During May, 5 as the daily maximum UV index converts into the following advice:
Ensure safety - Imperative it is to shield skin and eyes from damage. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Updated: Aug 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature?

The average high-temperature, in May, in Robson, is 73.4°F (23°C), while the average low-temperature is 52.3°F (11.3°C).

What is the average humidity in May?

The average relative humidity in May is 79%.

What is the rainiest month?

May is the month with the most rainfall. Rain falls for 20.8 days and accumulates 3.94" (100mm) of precipitation.

How many days does it rain in May?

In Robson, during May, the rain falls for 20.8 days and regularly aggregates up to 3.94" (100mm) of precipitation.

What is the last month it snows?

May is the last month it regularly snows. During 0.2 snowfall days, in May, Robson aggregates 0.31" (8mm) of snow.

What is the average length of the day in May?

In Robson, the average day length in May is 14h and 15min.

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:27 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 8:41 pm EDT.

How many hours of sunshine does Robson have in May?

The average sunshine duration in May is 9h.

What is the UV index reading in May?

In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium hazard to health 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
Robson, WV

Average temperature in May - Robson, WV
  • Average high temperature in May: 73.4°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in May: 52.3°F

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in May
Robson, WV

Average pressure in May - Robson, 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
Robson, WV

Average wind speed in May - Robson, WV
  • Average wind speed in May: 5.7mph

The windiest month (with the highest average wind speed) is February (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

Average humidity in May
Robson, WV

Average humidity in May - Robson, WV
  • Average humidity in May: 79%

The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are June, July, August and November (77%).

Average rainfall in May
Robson, WV

Average rainfall in May - Robson, WV
  • Average rainfall in May: 3.94"

The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is September (1.85").

Average rainfall days in May
Robson, WV

Average rainfall days in May - Robson, WV
  • Average rainfall days in May: 20.8 days

The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is November (12.1 days).

Average snowfall in May
Robson, WV

Average snowfall in May - Robson, WV
  • Average snowfall in May: 0.31"

The month with the highest snowfall is January (5.75").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Robson, WV

Average snowfall days in May - Robson, WV
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is January (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Robson, 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 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
Robson, WV

Average sunshine days in May - Robson, WV
  • Average sunshine days in May: 8.5 days

The month with the most sunshine days is November (15.6 days).
The month with the least sunshine days is February (7.6 days).

Average UV index in May
Robson, WV

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

Average cloud cover in May
Robson, WV

Average cloud cover in May - Robson, 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 34).

Average visibility in May
Robson, WV

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

The months with the highest visibility are April and November (6mi).
The month with the lowest visibility is January (4mi).

Robson, West Virginia, USA

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