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 marks a minor ascent in the average high-temperature, adjusting from April's pleasant 73°F (22.8°C) to a warm 80.8°F (27.1°C). During May, Waterloo observes a consistent average nighttime temperature of 60.4°F (15.8°C).Heat index
May's average heat index is calculated to be 84.2°F (29°C). Continuing activity during long-lasting exposure might induce tiredness and result in heat cramps.From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.
Humidity
In May, the average relative humidity is 75%.Rainfall
In Waterloo, in May, during 14.6 rainfall days, 3.11" (79mm) of precipitation is typically accumulated. In Waterloo, during the entire year, the rain falls for 152.7 days and collects up to 31.34" (796mm) of precipitation.Snowfall
April through December are months without snowfall.Daylight
In Waterloo, South Carolina, the average length of the day in May is 13h and 58min.On the first day of May in Waterloo, sunrise is at 6:37 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 8:34 pm EDT.
Sunshine
In May, the average sunshine in Waterloo, South Carolina, is 9.9h.UV index
In May, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index, 6 during May, leads to the following recommendations:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Waterloo in May?
What is the average humidity in May in Waterloo?
How much does it rain in Waterloo in May?
When it does not snow in Waterloo?
How many hours of daylight does Waterloo have in May?
When are sunrise and sunset in May in Waterloo?
How long on average sun shines in May in Waterloo?
How high is the UV index in May in Waterloo?
Average temperature in May
Waterloo, SC
- Average high temperature in May: 80.8°F
The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (51.4°F).
- Average low temperature in May: 60.4°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (35.1°F).
Average pressure in May
Waterloo, 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
Waterloo, SC
- Average wind speed in May: 6mph
The windiest months (with the highest average wind speed) are February and April (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in May
Waterloo, SC
- Average humidity in May: 75%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).
Average rainfall in May
Waterloo, SC
- Average rainfall in May: 3.11"
The wettest month (with the highest rainfall) is December (3.39").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in May
Waterloo, SC
- Average rainfall days in May: 14.6 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is October (8.5 days).
Average snowfall in May
Waterloo, SC
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.87").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in May
Waterloo, SC
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (0.7 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
Waterloo, 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 54min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in May
Waterloo, SC
- Average sunshine days in May: 14.5 days
The month with the most sunshine days is October (21.1 days).
The month with the least sunshine days is August (11.4 days).
Average UV index in May
Waterloo, SC
- Average UV index in May: 6
The months with the highest UV index are June and August (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in May
Waterloo, SC
- Average cloud cover in May: 35
The month with the most cloud cover is December (Cloud cover 43).
The months with the least cloud cover are June, July and October (Cloud cover 29).
Average visibility in May
Waterloo, 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).
Waterloo, South Carolina, USA
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