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 witnesses a subtle temperature ascent, adjusting from a pleasant 72.3°F (22.4°C) in April to a moderately hot 79.9°F (26.6°C). In the month of May, Great Falls's average low-temperature falls to a comfortable 61.2°F (16.2°C).Humidity
May and December, with an average relative humidity of 75%, are the most humid months in Great Falls.Rainfall
In May, in Great Falls, the rain falls for 15.8 days. Throughout May, 2.76" (70mm) of precipitation is accumulated. In Great Falls, South Carolina, during the entire year, the rain falls for 152.5 days and collects up to 29.53" (750mm) of precipitation.Snowfall
In Great Falls, snow does not fall in April through October.Daylight
In Great Falls, the average length of the day in May is 13h and 59min.On the first day of May, sunrise is at 6:32 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 8:30 pm EDT.
Sunshine
In Great Falls, the average sunshine in May is 9.8h.UV index
In Great Falls, 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 rays for ordinary individuals.Note: A maximum UV index of 6 in May translates into the following recommendations:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Great Falls in May?
What is the most humid month in Great Falls?
What is the average humidity in May in Great Falls?
How much does it rain in Great Falls in May?
When it does not snow in Great Falls?
How many hours of daylight does Great Falls have in May?
When is the sunrise / sunset in May in Great Falls?
How long on average sun shines in May in Great Falls?
What is the UV index reading in May in Great Falls?
Average temperature in May
Great Falls, SC
- Average high temperature in May: 79.9°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (50.9°F).
- Average low temperature in May: 61.2°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (35.6°F).
Average pressure in May
Great Falls, 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 (29.97"Hg).
Average wind speed in May
Great Falls, SC
- Average wind speed in May: 6.5mph
The windiest month (with the highest average wind speed) is April (8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in May
Great Falls, SC
- Average humidity in May: 75%
The months with the highest relative humidity are May and December (75%).
The months with the lowest relative humidity are July and November (71%).
Average rainfall in May
Great Falls, SC
- Average rainfall in May: 2.76"
The wettest month (with the highest rainfall) is August (3.19").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in May
Great Falls, SC
- Average rainfall days in May: 15.8 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is October (8.4 days).
Average snowfall in May
Great Falls, SC
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.83").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Great Falls, SC
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January and 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
Great Falls, SC
- Average daylight in May: 14h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
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: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in May
Great Falls, SC
- Average sunshine days in May: 13.3 days
The month with the most sunshine days is October (21.3 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in May
Great Falls, 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
Great Falls, SC
- Average cloud cover in May: 36
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in May
Great Falls, 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).
Great Falls, South Carolina, USA
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