May weather forecastCollinsville, AL
May
Weather in May
May, the last month of the spring in Collinsville, is a warm month, with an average temperature fluctuating between 78.8°F (26°C) and 58.6°F (14.8°C).Temperature
Collinsville's transition into May is noticed by a slight rise in the average high-temperature, advancing from an agreeable 70.9°F (21.6°C) in April to a moderately hot 78.8°F (26°C). Throughout May, the average low-temperature dips to a refreshing 58.6°F (14.8°C).Humidity
In Collinsville, the average relative humidity in May is 76%.Rainfall
In May, the rain falls for 16.5 days. Throughout May, 3.46" (88mm) of precipitation is accumulated. In Collinsville, during the entire year, the rain falls for 184 days and collects up to 43.54" (1106mm) of precipitation.Snowfall
In Collinsville, snow does not fall in April through October.Daylight
In Collinsville, the average length of the day in May is 13h and 58min.On the first day of the month, sunrise is at 5:52 am and sunset at 7:28 pm. On the last day of May, in Collinsville, sunrise is at 5:32 am and sunset at 7:49 pm CDT.
Sunshine
In Collinsville, the average sunshine in May is 9.9h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A maximum high daily UV index of 6 during May translates into the following directions:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Collinsville, AL
- Average high temperature in May: 78.8°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (48.7°F).
- Average low temperature in May: 58.6°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (32.9°F).
Average pressure in May
Collinsville, AL
- Average pressure in May: 30.02"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
Collinsville, AL
- Average wind speed in May: 5.7mph
The windiest month (with the highest average wind speed) is February (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).
Average humidity in May
Collinsville, 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 (74%).
Average rainfall in May
Collinsville, AL
- Average rainfall in May: 3.46"
The wettest months (with the highest rainfall) are February and December (4.49").
The driest month (with the least rainfall) is October (2.64").
Average rainfall days in May
Collinsville, AL
- Average rainfall days in May: 16.5 days
The month with the highest number of rainy days is July (21.6 days).
The month with the least rainy days is November (10.1 days).
Average snowfall in May
Collinsville, AL
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Collinsville, 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
Collinsville, AL
- 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 54min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in May
Collinsville, AL
- Average sunshine days in May: 12.8 days
The month with the most sunshine days is October (18.7 days).
The month with the least sunshine days is July (7.3 days).
Average UV index in May
Collinsville, 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
Collinsville, AL
- Average cloud cover in May: 34
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June and September (Cloud cover 30).
Average visibility in May
Collinsville, AL
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).





