May weather forecastSalem, SC
May
Weather in May
May, the last month of the spring in Salem, is a moderately hot month, with an average temperature fluctuating between 73.6°F (23.1°C) and 52.5°F (11.4°C).Temperature
As April transitions into May, Salem notices a gentle rise in the average high-temperature, transitioning from a comfortable 65.7°F (18.7°C) to a moderately hot 73.6°F (23.1°C). May nights cool down to an average low-temperature of 52.5°F (11.4°C).Humidity
The average relative humidity in May is 78%.Rainfall
In Salem, during May, the rain falls for 19.7 days and regularly aggregates up to 4.33" (110mm) of precipitation. Throughout the year, in Salem, there are 191.1 rainfall days, and 45.59" (1158mm) of precipitation is accumulated.Snowfall
In Salem, snow does not fall in May through September.Daylight
In May, the average length of the day is 14h and 1min.On the first day of the month, sunrise is at 6:40 am and sunset at 8:17 pm. On the last day of May, in Salem, sunrise is at 6:19 am and sunset at 8:40 pm EDT.
Sunshine
In May, the average sunshine in Salem is 9.6h.UV index
In Salem, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In May, a regular UV index of 5 translates into these guidelines:
Undertake precautions - It is suggested to shield oneself from sunburn. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. To cut down UV radiation exposure by about half, sport a wide-brim hat. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Salem, SC
- Average high temperature in May: 73.6°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (45°F).
- Average low temperature in May: 52.5°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in May
Salem, SC
- Average pressure in May: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in May
Salem, SC
- Average wind speed in May: 4.7mph
The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in May
Salem, SC
- Average humidity in May: 78%
The month with the highest relative humidity is December (79%).
The months with the lowest relative humidity are January and November (75%).
Average rainfall in May
Salem, SC
- Average rainfall in May: 4.33"
The wettest months (with the highest rainfall) are April and December (4.96").
The driest month (with the least rainfall) is September (2.44").
Average rainfall days in May
Salem, SC
- Average rainfall days in May: 19.7 days
The month with the highest number of rainy days is June (20 days).
The month with the least rainy days is November (11.2 days).
Average snowfall in May
Salem, SC
- Average snowfall in May: 0"
The month with the highest snowfall is December (6.5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Salem, SC
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (6.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Salem, 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 36min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in May
Salem, SC
- Average sunshine days in May: 8.7 days
The month with the most sunshine days is October (17 days).
The month with the least sunshine days is June (7.5 days).
Average UV index in May
Salem, SC
- Average UV index in May: 5
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in May
Salem, SC
- Average cloud cover in May: 38
The months with the most cloud cover are February, March and December (Cloud cover 44).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in May
Salem, SC
- Average visibility in May: 5mi
The months with the highest visibility are June, July and November (6mi).
The months with the lowest visibility are January, February, March, April, May, August, September, October and December (5mi).
