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
Waterloo in May sees a temperature change, with average high-temperatures moving from a pleasant 70.3°F (21.3°C) in April to a warm 79.3°F (26.3°C). During May, Waterloo observes a consistent average nighttime temperature of 59.9°F (15.5°C).Humidity
In Waterloo, the average relative humidity in May is 77%.Rainfall
In Waterloo, in May, during 15.1 rainfall days, 2.64" (67mm) of precipitation is typically accumulated. Throughout the year, there are 159.1 rainfall days, and 31.85" (809mm) of precipitation is accumulated.Snowfall
In Waterloo, snow does not fall in April through October.Daylight
The average length of the day in May is 14h and 1min.On the first day of May, sunrise is at 6:00 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 8:00 pm CDT.
Sunshine
The average sunshine in May is 9.5h.UV index
In Waterloo, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 6 in May, converts into the following recommendations:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the average humidity in May in Waterloo?
How many days does it rain in May?
When it does not snow?
How many hours of daylight does Waterloo have in May?
When are sunrise and sunset in May?
How many hours of sunshine does Waterloo have in May?
What is the UV index reading in May?
Average temperature in May
Waterloo, AL
- Average high temperature in May: 79.3°F
The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is January (47.3°F).
- Average low temperature in May: 59.9°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (33.1°F).
Average pressure in May
Waterloo, AL
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in May
Waterloo, AL
- Average wind speed in May: 6.1mph
The windiest month (with the highest average wind speed) is February (7.8mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).
Average humidity in May
Waterloo, AL
- Average humidity in May: 77%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in May
Waterloo, AL
- Average rainfall in May: 2.64"
The wettest month (with the highest rainfall) is February (3.78").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in May
Waterloo, AL
- Average rainfall days in May: 15.1 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (9 days).
Average snowfall in May
Waterloo, AL
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Waterloo, AL
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January and February (2.1 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
Waterloo, AL
- 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 3min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days in May
Waterloo, AL
- Average sunshine days in May: 13.5 days
The months with the most sunshine days are October and November (19.3 days).
The month with the least sunshine days is July (11 days).
Average UV index in May
Waterloo, AL
- Average UV index in May: 6
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in May
Waterloo, AL
- Average cloud cover in May: 37
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in May
Waterloo, AL
- Average visibility in May: 5mi
The months with the highest visibility are February, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, May and July (5mi).
Waterloo, Alabama, USA
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