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 shift into May is accompanied by a modest temperature increase, with the average high-temperature edging up from 74.8°F (23.8°C) in April to a still moderately hot 81.3°F (27.4°C). The temperature dips to an average of 66°F (18.9°C) during May nights.Heat index
Throughout May, the heat index is estimated at a hot 86°F (30°C). Fatigue might occur with continuous exposure and activity, potentially causing heat cramps.One should consider that heat index numbers are for shaded settings and light wind. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is found by incorporating humidity levels into the air temperature measurement. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
Humidity
The average relative humidity in May is 75%.Rainfall
In Berkeley Hills, during May, the rain falls for 15.6 days and regularly aggregates up to 2.95" (75mm) of precipitation. Throughout the year, there are 172.6 rainfall days, and 39.13" (994mm) of precipitation is accumulated.Snowfall
In Berkeley Hills, snow does not fall in March through November.Daylight
The average length of the day in May is 13h and 52min.On the first day of the month, sunrise is at 6:31 am and sunset at 8:02 pm. On the last day of May, sunrise is at 6:12 am and sunset at 8:23 pm EDT.
Sunshine
The average sunshine in May is 10.2h.UV index
In Berkeley Hills, the average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In May, the maximum UV index of 6 transforms into these recommendations:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the average humidity in May?
How many days does it rain in May?
When it does not snow?
How many hours of daylight does Berkeley Hills have in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Berkeley Hills have in May?
What is the UV index intensity in May?
Average temperature in May
Berkeley Hills, SC
- Average high temperature in May: 81.3°F
The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (56.8°F).
- Average low temperature in May: 66°F
The month with the highest average low temperature is July (75.7°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).
Average pressure in May
Berkeley Hills, SC
- Average pressure in May: 30.03"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in May
Berkeley Hills, SC
- Average wind speed in May: 6.9mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in May
Berkeley Hills, SC
- Average humidity in May: 75%
The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are January and March (72%).
Average rainfall in May
Berkeley Hills, SC
- Average rainfall in May: 2.95"
The wettest month (with the highest rainfall) is August (6.22").
The driest month (with the least rainfall) is January (1.46").
Average rainfall days in May
Berkeley Hills, SC
- Average rainfall days in May: 15.6 days
The month with the highest number of rainy days is August (23.4 days).
The month with the least rainy days is November (8.2 days).
Average snowfall in May
Berkeley Hills, SC
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.28").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Berkeley Hills, SC
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January and February (0.3 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
Berkeley Hills, SC
- Average daylight in May: 13h and 5min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in May: 10h and 1min
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 36min).
Average sunshine days in May
Berkeley Hills, SC
- Average sunshine days in May: 12.9 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is August (5.8 days).
Average UV index in May
Berkeley Hills, SC
- Average UV index in May: 6
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in May
Berkeley Hills, SC
- Average cloud cover in May: 31
The month with the most cloud cover is December (Cloud cover 41).
The months with the least cloud cover are June and July (Cloud cover 27).
Average visibility in May
Berkeley Hills, 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).
Berkeley Hills, South Carolina, USA
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