July weather forecastDexter, MO
July
Weather in July
The sultriness of July becomes evident in Dexter with consistently high humidity and temperatures. Following the thermal trend, July is marked as the hottest month with temperatures climbing to an average high of 88.2°F (31.2°C). The soaring heat accompanies long sunny days, maintaining the classic Missouri summer feel. Nighttime, however still provides a bit of relief with temperatures cooling off slightly. Notwithstanding the humidity and heat, July's weather remains conducive to summer pool parties and open-air events.Temperature
July registers as the month with the highest average temperatures in Dexter, reaching 88.2°F (31.2°C) at its peak and 70.3°F (21.3°C) at the lowest.Heat index
Throughout July, the heat index is appraised at a blistering 104°F (40°C). Exercise heightened safety, heat cramps and heat exhaustion are probable. Persistent activity may provoke heatstroke.Always consider that heat index estimations are for light winds and places in the shade. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. With an abundance of moisture present in the air, the process of evaporation becomes less effective, and the body fails to cool down as it should, leading to the sensation of overheating. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.
Humidity
The average relative humidity in July is 76%.Rainfall
In Dexter, in July, it is raining for 12.5 days, with typically 0.98" (25mm) of accumulated precipitation. Throughout the year, there are 107.6 rainfall days, and 10.83" (275mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In Dexter, the average length of the day in July is 14h and 23min.On the first day of the month, sunrise is at 5:44 am and sunset at 8:22 pm. On the last day of July, in Dexter, sunrise is at 6:05 am and sunset at 8:07 pm CDT.
Sunshine
June and July, with an average of 10.8h of sunshine, are months with the most sunshine.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.Note: The average daily UV index of 6 in July transforms into the following instructions:
Shield from overexposure. Defense against sun-related harm is required. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Dexter, MO
- Average high temperature in July: 88.2°F
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (42.4°F).
- Average low temperature in July: 70.3°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).
Average pressure in July
Dexter, MO
- Average pressure in July: 29.97"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in July
Dexter, MO
- Average wind speed in July: 5.8mph
The windiest month (with the highest average wind speed) is February (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in July
Dexter, MO
- Average humidity in July: 76%
The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is October (68%).
Average rainfall in July
Dexter, MO
- Average rainfall in July: 0.98"
The wettest month (with the highest rainfall) is May (1.42").
The driest month (with the least rainfall) is September (0.47").
Average rainfall days in July
Dexter, MO
- Average rainfall days in July: 12.5 days
The month with the highest number of rainy days is July (12.5 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in July
Dexter, MO
- Average snowfall in July: 0"
The month with the highest snowfall is February (0.24").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in July
Dexter, MO
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Dexter, MO
- Average daylight in July: 14h and 24min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in July: 10h and 48min
The months with the most sunshine are June and July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in July
Dexter, MO
- Average sunshine days in July: 16 days
The month with the most sunshine days is December (23.4 days).
The month with the least sunshine days is May (15.7 days).
Average UV index in July
Dexter, MO
- Average UV index in July: 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 July
Dexter, MO
- Average cloud cover in July: 26
The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in July
Dexter, MO
- 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).





