July weather forecastCalera, AL
July
Weather in July
In Calera, Alabama, July is a month of heat, reaching the highest average high temperature of the year at 90.3°F (32.4°C). The number of rainy days remains relatively high, indicating a characteristic mix of summer showers. Yet, the longer sunshine duration instills a clear summer vibe. The wind speed decreases, making the weather feel even hotter. There's a notable increase in the UV index, reminding locals and visitors to protect themselves while spending time outdoors.Temperature
July, on average, is the warmest month, registering a high temperature of 90.3°F (32.4°C) and a low of 70.9°F (21.6°C).Heat index
For most parts of July, the heat index is estimated at an extremely hot 109.4°F (43°C). Stay mindful: Heat exhaustion and heat cramps are likely. Heatstroke could follow extended physical effort.From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is an estimation of the warmth sensation when considering humidity levels. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. Heightened relative humidity interferes with the body's usual cooling mechanism by reducing evaporation, subsequently decreasing the body's cooling rate and increasing the sensation of heat. Exceeding the body's heat disposal threshold results in a rise in body temperature and potential thermal disorders.
Humidity
In July, the average relative humidity is 74%.Rainfall
In July, the rain falls for 19.7 days. Throughout July, 2.17" (55mm) of precipitation is accumulated. Throughout the year, there are 148.8 rainfall days, and 23.11" (587mm) of precipitation is accumulated.Snowfall
In Calera, snow does not fall in March through November.Daylight
The average length of the day in July is 14h and 5min.On the first day of July, sunrise is at 5:42 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 7:46 pm CDT.
Sunshine
The months with the most sunshine are June and July, with an average of 10.6h of sunshine.UV index
In July, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 6 during July translates into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. 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. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Calera, AL
- Average high temperature in July: 90.3°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 July: 70.9°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 July
Calera, AL
- Average pressure in July: 30"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 July
Calera, AL
- Average wind speed in July: 4.4mph
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 July
Calera, AL
- Average humidity in July: 74%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in July
Calera, AL
- Average rainfall in July: 2.17"
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 July
Calera, AL
- Average rainfall days in July: 19.7 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 July
Calera, AL
- Average snowfall in July: 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 July
Calera, AL
- Average snowfall days in July: 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 July /
Average sunshine in July
Calera, AL
- Average daylight in July: 14h and 6min
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 July: 10h and 36min
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 July
Calera, AL
- Average sunshine days in July: 9 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 July
Calera, AL
- Average UV index in July: 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 July
Calera, AL
- Average cloud cover in July: 33
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 July
Calera, AL
- Average visibility in July: 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).





