Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
May's arrival signals a modest temperature shift, moving from a pleasant 72°F (22.2°C) in April to a warm 79.7°F (26.5°C). During the nights in May, Ruby observes an average low-temperature of 61.7°F (16.5°C).Humidity
The months with the highest humidity are May, September and December, with an average relative humidity of 75%.Rainfall
In Ruby, during May, the rain falls for 14.5 days and regularly aggregates up to 2.56" (65mm) of precipitation. In Ruby, during the entire year, the rain falls for 149.5 days and collects up to 28.23" (717mm) of precipitation.Snowfall
In Ruby, snow does not fall in April through October.Daylight
In Ruby, the average length of the day in May is 14h and 0min.On the first day of May in Ruby, sunrise is at 6:29 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 8:28 pm EDT.
Sunshine
In Ruby, the average sunshine in May is 9.9h.UV index
The average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In May, the average maximum UV index of 6 translates into the following recommendations:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Ruby?
What is the most humid month in Ruby?
What is the average humidity in May in Ruby?
How much does it rain in Ruby in May?
When it does not snow in Ruby?
How many hours of daylight does Ruby have in May?
When are sunrise and sunset in May in Ruby?
How many hours of sunshine does Ruby have in May?
What is the UV index reading in May in Ruby?
Average temperature in May
Ruby, SC
- Average high temperature in May: 79.7°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (50.5°F).
- Average low temperature in May: 61.7°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (35.6°F).
Average pressure in May
Ruby, SC
- Average pressure in May: 30.02"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in May
Ruby, SC
- Average wind speed in May: 6.8mph
The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in May
Ruby, SC
- Average humidity in May: 75%
The months with the highest relative humidity are May, September and December (75%).
The months with the lowest relative humidity are January, July and November (71%).
Average rainfall in May
Ruby, SC
- Average rainfall in May: 2.56"
The wettest month (with the highest rainfall) is August (2.91").
The driest months (with the least rainfall) are January and October (1.77").
Average rainfall days in May
Ruby, SC
- Average rainfall days in May: 14.5 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is October (8.2 days).
Average snowfall in May
Ruby, SC
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Ruby, SC
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Ruby, SC
- Average daylight in May: 14h and 0min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in May: 9h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in May
Ruby, SC
- Average sunshine days in May: 15.1 days
The month with the most sunshine days is October (21.9 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in May
Ruby, SC
- Average UV index in May: 6
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in May
Ruby, SC
- Average cloud cover in May: 35
The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in May
Ruby, SC
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Ruby, South Carolina, USA
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