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
The start of May in Gaffney is characterized by a subtle increase in the average high-temperature, transitioning from a pleasant 71.8°F (22.1°C) in April to a moderately hot 79.3°F (26.3°C). Throughout the month of May, the average temperature dips to a refreshing 58.8°F (14.9°C) at night.Humidity
In Gaffney, the average relative humidity in May is 75%.Rainfall
In Gaffney, in May, it is raining for 7 days, with typically 0.51" (13mm) of accumulated precipitation. In Gaffney, during the entire year, the rain falls for 74.2 days and collects up to 6.46" (164mm) of precipitation.Snowfall
In Gaffney, South Carolina, snow does not fall in March through November.Daylight
The average length of the day in May is 14h and 1min.On the first day of May in Gaffney, sunrise is at 6:34 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 8:35 pm EDT.
Sunshine
The average sunshine in May is 9.8h.UV index
The months with the highest UV index in Gaffney are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In May, the maximum UV index of 6 translates into these guidelines:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Frequently asked questions
What are the temperatures in Gaffney in May?
What is the average humidity in May in Gaffney?
How many days does it rain in May in Gaffney?
When it does not snow in Gaffney?
What is the average length of the day in May in Gaffney?
What time are sunrise and sunset in May in Gaffney?
How many hours of sunshine does Gaffney have in May?
What are the months with the highest UV index in Gaffney?
How high is the UV index in May in Gaffney?
Average temperature in May
Gaffney, SC
- Average high temperature in May: 79.3°F
The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is January (48.7°F).
- Average low temperature in May: 58.8°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (32.7°F).
Average pressure in May
Gaffney, SC
- Average pressure in May: 30.03"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in May
Gaffney, SC
- Average wind speed in May: 5.6mph
The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in May
Gaffney, SC
- Average humidity in May: 75%
The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (69%).
Average rainfall in May
Gaffney, SC
- Average rainfall in May: 0.51"
The wettest month (with the highest rainfall) is December (0.83").
The driest month (with the least rainfall) is September (0.2").
Average rainfall days in May
Gaffney, SC
- Average rainfall days in May: 7 days
The months with the highest number of rainy days are April and July (7.8 days).
The months with the least rainy days are September and November (4.5 days).
Average snowfall in May
Gaffney, SC
- Average snowfall in May: 0"
The month with the highest snowfall is December (0.43").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Gaffney, SC
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (1 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Gaffney, 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 48min).
- Average sunshine in May: 9h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in May
Gaffney, SC
- Average sunshine days in May: 21.1 days
The month with the most sunshine days is October (24.9 days).
The months with the least sunshine days are June and July (20.8 days).
Average UV index in May
Gaffney, SC
- Average UV index in May: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in May
Gaffney, SC
- Average cloud cover in May: 37
The months with the most cloud cover are February and December (Cloud cover 42).
The months with the least cloud cover are June and July (Cloud cover 29).
Average visibility in May
Gaffney, SC
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Gaffney, South Carolina, USA
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