July weather forecastDumas, MS
July
Weather in July
July, like June, is another hot summer month in Dumas, Mississippi, with an average temperature varying between 70.5°F (21.4°C) and 90°F (32.2°C).Temperature
The month of July, characterized by an average high of 90°F (32.2°C) and a low of 70.5°F (21.4°C), is recognized as the warmest.Heat index
July's average heat index is calculated to be a scorching 109.4°F (43°C). Remain alert: Heat exhaustion and heat cramps are predicted. Extended effort can lead to heatstroke.The standards for the heat index are set for locations in shade and under light breezes. 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 'apparent temperature' or 'felt air temperature', melds the effects of warmth and moisture to generate a feeling of heat. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. Increased relative humidity slows down evaporation, thereby decreasing the rate of heat removal from the body, culminating in a sensation of overheating. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.
Humidity
The average relative humidity in July is 76%.Rainfall
In Dumas, in July, it is raining for 17.8 days, with typically 3.5" (89mm) of accumulated precipitation. Throughout the year, in Dumas, there are 167.2 rainfall days, and 38.98" (990mm) of precipitation is accumulated.Snowfall
In Dumas, snow does not fall in April through October.Daylight
The average length of the day in July is 14h and 13min.On the first day of July in Dumas, sunrise is at 5:46 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 7:58 pm CDT.
Sunshine
In Dumas, the average sunshine in July is 10.4h.UV index
June and July, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.Note: A maximum UV index of 7 in July translates into the following recommendations:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Dumas, MS
- Average high temperature in July: 90°F
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (47.5°F).
- Average low temperature in July: 70.5°F
The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in July
Dumas, MS
- Average pressure in July: 29.98"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in July
Dumas, MS
- Average wind speed in July: 4.7mph
The windiest month (with the highest average wind speed) is February (8mph).
The calmest month (with the lowest average wind speed) is July (4.7mph).
Average humidity in July
Dumas, MS
- Average humidity in July: 76%
The months with the highest relative humidity are March and December (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in July
Dumas, MS
- Average rainfall in July: 3.5"
The wettest month (with the highest rainfall) is February (4.8").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in July
Dumas, MS
- Average rainfall days in July: 17.8 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (10.3 days).
Average snowfall in July
Dumas, MS
- Average snowfall in July: 0"
The month with the highest snowfall is February (0.55").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in July
Dumas, MS
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (1.7 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Dumas, MS
- Average daylight in July: 14h and 12min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in July: 10h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in July
Dumas, MS
- Average sunshine days in July: 11.5 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (11.5 days).
Average UV index in July
Dumas, MS
- Average UV index in July: 7
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in July
Dumas, MS
- Average cloud cover in July: 31
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are June, August and September (Cloud cover 29).
Average visibility in July
Dumas, MS
- 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).





