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
As May arrives in Calera, a slight rise in the average high-temperature is observed, moving from a warm 74.1°F (23.4°C) in April to a still moderately hot 81.5°F (27.5°C). Calera observes an average low-temperature of 60.8°F (16°C) during May.Heat index
The average heat index in May is estimated at a hot 86°F (30°C). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. 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 highly critical for babies and toddlers. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
Humidity
The average relative humidity in May is 74%.Rainfall
In Calera, in May, during 12.4 rainfall days, 1.77" (45mm) of precipitation is typically accumulated. In Calera, during the entire year, the rain falls for 148.8 days and collects up to 23.11" (587mm) of precipitation.Snowfall
March through November are months without snowfall.Daylight
In Calera, the average length of the day in May is 13h and 53min.On the first day of the month, sunrise is at 5:58 am and sunset at 7:29 pm. On the last day of May, sunrise is at 5:39 am and sunset at 7:50 pm CDT.
Sunshine
The average sunshine in May is 10.2h.UV index
In May, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: During May, 6 as the daily maximum UV index converts into the following advice:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Calera in May?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How long on average sun shines in May?
What is the UV index reading in May?
Average temperature in May
Calera, AL
- Average high temperature in May: 81.5°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (51.4°F).
- Average low temperature in May: 60.8°F
The month with the highest average low temperature is August (71.2°F).
The coldest month (with the lowest average low temperature) is January (36.3°F).
Average pressure in May
Calera, 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
Calera, AL
- Average wind speed in May: 5.7mph
The windiest months (with the highest average wind speed) are January, February and March (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.4mph).
Average humidity in May
Calera, AL
- Average humidity in May: 74%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Calera, AL
- Average rainfall in May: 1.77"
The wettest month (with the highest rainfall) is August (2.52").
The driest months (with the least rainfall) are September and October (1.26").
Average rainfall days in May
Calera, AL
- Average rainfall days in May: 12.4 days
The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is November (6.7 days).
Average snowfall in May
Calera, AL
- Average snowfall in May: 0"
The month with the highest snowfall is December (0.47").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Calera, AL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (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
Calera, AL
- Average daylight in May: 13h and 5min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in May: 10h and 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days in May
Calera, AL
- Average sunshine days in May: 16.3 days
The month with the most sunshine days is November (21.9 days).
The month with the least sunshine days is July (9 days).
Average UV index in May
Calera, AL
- Average UV index in May: 6
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in May
Calera, AL
- Average cloud cover in May: 32
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in May
Calera, 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).
Calera, Alabama, USA
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