July weather forecastCasselberry, FL
July
Weather in July
July, the same as June, in Casselberry, Florida, is a hot summer month, with an average temperature varying between 75.9°F (24.4°C) and 90.9°F (32.7°C).Temperature
The shift to July signals an average high-temperature of a still tropical 90.9°F (32.7°C), subtly varied from June's 89.6°F (32°C). An average low-temperature of 75.9°F (24.4°C) is noted during the nights in July in Casselberry.Heat index
July's mean heat index is computed to be a blazing hot 113°F (45°C). Be alert: Heat exhaustion along with heat cramps are probable. Heatstroke is a threat with sustained physical activity.Consider that heat index readings are for situations in the shade and light wind. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a numerical representation of warmth when taking temperature and moisture levels into account. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. When the air contains significant moisture, the efficiency of the evaporation process decreases, preventing the body from cooling down effectively and creating a feeling of overheating. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.
Humidity
In Casselberry, the average relative humidity in July is 76%.Rainfall
In July, the rain falls for 22.8 days. Throughout July, 3.78" (96mm) of precipitation is accumulated. In Casselberry, during the entire year, the rain falls for 172.9 days and collects up to 22.76" (578mm) of precipitation.Daylight
The average length of the day in July is 13h and 46min.On the first day of July in Casselberry, sunrise is at 6:31 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 8:16 pm EDT.
Sunshine
With an average of 10.9h of sunshine, July has the most sunshine of the year in Casselberry.UV index
The months with the highest UV index are May through September, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.Note: In July, the maximum UV index of 7 suggests this advice:
Shield from overexposure. Defense against sun-related harm is required. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Casselberry, FL
- Average high temperature in July: 90.9°F
The warmest month (with the highest average high temperature) is August (91°F).
The month with the lowest average high temperature is January (68.2°F).
- Average low temperature in July: 75.9°F
The month with the highest average low temperature is August (76.6°F).
The coldest month (with the lowest average low temperature) is January (51.1°F).
Average pressure in July
Casselberry, FL
- Average pressure in July: 30.02"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is September (29.97"Hg).
Average wind speed in July
Casselberry, FL
- Average wind speed in July: 4.6mph
The windiest months (with the highest average wind speed) are March and April (6.5mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).
Average humidity in July
Casselberry, FL
- Average humidity in July: 76%
The month with the highest relative humidity is September (77%).
The month with the lowest relative humidity is March (70%).
Average rainfall in July
Casselberry, FL
- Average rainfall in July: 3.78"
The wettest month (with the highest rainfall) is August (3.82").
The driest months (with the least rainfall) are January and March (0.79").
Average rainfall days in July
Casselberry, FL
- Average rainfall days in July: 22.8 days
The month with the highest number of rainy days is August (23.4 days).
The month with the least rainy days is January (8.9 days).
Average daylight in July /
Average sunshine in July
Casselberry, FL
- Average daylight in July: 13h and 48min
The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).
- Average sunshine in July: 10h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days in July
Casselberry, FL
- Average sunshine days in July: 5.4 days
The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is August (4.6 days).
Average UV index in July
Casselberry, FL
- Average UV index in July: 7
The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is January (UV index 4).
Average cloud cover in July
Casselberry, FL
- Average cloud cover in July: 30
The month with the most cloud cover is February (Cloud cover 37).
The month with the least cloud cover is May (Cloud cover 28).
Average visibility in July
Casselberry, FL
- 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).





