May weather forecastCardiff, AL
May
Weather in May
May, the last month of the spring in Cardiff, is also a moderately hot month, with an average temperature ranging between min 61.2°F (16.2°C) and max 81.7°F (27.6°C).Temperature
The beginning of May signals a minor rise in the average high-temperature, moving from 73.4°F (23°C) in April to a still warm 81.7°F (27.6°C). In Cardiff, an average low-temperature of 61.2°F (16.2°C) is recorded during May nights.Heat index
In May, the average heat index is evaluated at a hot 86°F (30°C). With extended exposure and activity, one might feel exhausted and experience heat cramps.Heat index details are generally centered around shaded locations and a mild breeze. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
Humidity
In Cardiff, the average relative humidity in May is 73%.Rainfall
In Cardiff, in May, during 14.8 rainfall days, 3.11" (79mm) of precipitation is typically accumulated. In Cardiff, Alabama, during the entire year, the rain falls for 173.7 days and collects up to 40" (1016mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in May is 13h and 55min.On the first day of May in Cardiff, sunrise is at 5:58 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 7:52 pm CDT.
Sunshine
In May, the average sunshine in Cardiff is 10h.UV index
In May, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for ordinary individuals.Note: During May, 6 as the daily maximum UV index converts into the following advice:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Cardiff, AL
- Average high temperature in May: 81.7°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (50.9°F).
- Average low temperature in May: 61.2°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).
Average pressure in May
Cardiff, AL
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in May
Cardiff, AL
- Average wind speed in May: 5.7mph
The windiest months (with the highest average wind speed) are February and March (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in May
Cardiff, AL
- Average humidity in May: 73%
The month with the highest relative humidity is December (79%).
The months with the lowest relative humidity are September and October (71%).
Average rainfall in May
Cardiff, AL
- Average rainfall in May: 3.11"
The wettest month (with the highest rainfall) is December (4.17").
The driest month (with the least rainfall) is October (2.24").
Average rainfall days in May
Cardiff, AL
- Average rainfall days in May: 14.8 days
The month with the highest number of rainy days is July (21.1 days).
The month with the least rainy days is November (9.6 days).
Average snowfall in May
Cardiff, AL
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.79").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Cardiff, 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 April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Cardiff, AL
- Average daylight in May: 13h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in May: 10h and 0min
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 42min).
Average sunshine days in May
Cardiff, AL
- Average sunshine days in May: 13.8 days
The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is July (7.5 days).
Average UV index in May
Cardiff, AL
- Average UV index in May: 6
The month with the highest UV index is August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in May
Cardiff, AL
- Average cloud cover in May: 33
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
Cardiff, 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).
