July weather forecastSaint Thomas, MO
July
Weather in July
July, like June, is another hot summer month in Saint Thomas, Missouri, with temperature in the range of an average high of 89.2°F (31.8°C) and an average low of 67.8°F (19.9°C).Temperature
July is the month when Saint Thomas experiences its warmest temperatures, averaging a high of 89.2°F (31.8°C) and a low of 67.8°F (19.9°C).Heat index
The heat index value for July is evaluated at a blistering 105.8°F (41°C). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.Metrics for the heat index primarily focus on shaded spots and light wind conditions. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'feels like' or 'real feel', gauges the sensation of temperature factoring in the air's moisture content. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. Relative humidity in excess curtails evaporation, therefore reducing heat dissipation from the body, leading to feelings of excess heat. With body temperatures on the rise, inefficient heat shedding can lead to dehydration and its associated complications.
Humidity
In July, the average relative humidity is 74%.Rainfall
In Saint Thomas, in July, it is raining for 9.6 days, with typically 0.87" (22mm) of accumulated precipitation. Throughout the year, there are 93.7 rainfall days, and 9.29" (236mm) of precipitation is accumulated.Snowfall
In Saint Thomas, Missouri, snow does not fall in April through October.Daylight
The average length of the day in July is 14h and 32min.On the first day of July, sunrise is at 5:49 am and sunset at 8:36 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 8:19 pm CDT.
Sunshine
In Saint Thomas, the average sunshine in July is 10.4h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In July, the maximum UV index of 6 transforms into these recommendations:
Resist extreme sun exposure. Guarding against solar damage is essential. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Saint Thomas, MO
- Average high temperature in July: 89.2°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (38.5°F).
- Average low temperature in July: 67.8°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in July
Saint Thomas, 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 (29.92"Hg).
Average wind speed in July
Saint Thomas, MO
- Average wind speed in July: 5.8mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in July
Saint Thomas, MO
- Average humidity in July: 74%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is October (72%).
Average rainfall in July
Saint Thomas, MO
- Average rainfall in July: 0.87"
The wettest month (with the highest rainfall) is May (1.3").
The driest month (with the least rainfall) is November (0.47").
Average rainfall days in July
Saint Thomas, MO
- Average rainfall days in July: 9.6 days
The month with the highest number of rainy days is May (11.3 days).
The month with the least rainy days is January (4 days).
Average snowfall in July
Saint Thomas, MO
- Average snowfall in July: 0"
The month with the highest snowfall is January (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in July
Saint Thomas, MO
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (5.2 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
Saint Thomas, MO
- Average daylight in July: 14h and 30min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in July: 10h and 24min
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 48min).
Average sunshine days in July
Saint Thomas, MO
- Average sunshine days in July: 17.7 days
The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is May (16.7 days).
Average UV index in July
Saint Thomas, MO
- Average UV index in July: 6
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in July
Saint Thomas, MO
- Average cloud cover in July: 29
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility in July
Saint Thomas, 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).
