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 beginning of May marks a minor shift in the average high-temperature, moving from April's agreeable 71.4°F (21.9°C) to a warm 79.3°F (26.3°C). In Royal, in May, the average low-temperature is a refreshing 59.2°F (15.1°C).Humidity
In May, the average relative humidity is 76%.Rainfall
In Royal, Alabama, in May, during 16.1 rainfall days, 3.31" (84mm) of precipitation is typically accumulated. In Royal, during the entire year, the rain falls for 177.4 days and collects up to 41.42" (1052mm) of precipitation.Snowfall
In Royal, snow does not fall in April through October.Daylight
The average length of the day in May in Royal is 13h and 57min.On the first day of May, sunrise is at 5:55 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 7:52 pm CDT.
Sunshine
In Royal, the average sunshine in May is 9.6h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index in Royal. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 6 in May translates into these instructions:
Prevent overexposure. Protection from the sun's harmful effects is needed. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Frequently asked questions
What are the temperatures in Royal in May?
What is the average humidity in May in Royal?
How much does it rain in Royal in May?
When it does not snow in Royal?
What is the average length of the day in May in Royal?
When are sunrise and sunset in May in Royal?
How long on average sun shines in May in Royal?
When is the highest UV index in Royal?
What is the UV index reading in May in Royal?
Average temperature in May
Royal, AL
- Average high temperature in May: 79.3°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (48.9°F).
- Average low temperature in May: 59.2°F
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (34°F).
Average pressure in May
Royal, AL
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in May
Royal, AL
- Average wind speed in May: 5.9mph
The windiest months (with the highest average wind speed) are January, February and March (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in May
Royal, AL
- Average humidity in May: 76%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (73%).
Average rainfall in May
Royal, AL
- Average rainfall in May: 3.31"
The wettest month (with the highest rainfall) is December (4.21").
The driest month (with the least rainfall) is October (2.32").
Average rainfall days in May
Royal, AL
- Average rainfall days in May: 16.1 days
The month with the highest number of rainy days is July (20.9 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in May
Royal, AL
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.63").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Royal, AL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Royal, AL
- Average daylight in May: 13h and 5min
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 4min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in May
Royal, AL
- Average sunshine days in May: 12.9 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is July (8.4 days).
Average UV index in May
Royal, AL
- Average UV index in May: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in May
Royal, AL
- Average cloud cover in May: 35
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility in May
Royal, AL
- 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).
Royal, Alabama, USA
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