July weather forecastLyon, MS
July
Weather in July
July, the same as June, in Lyon, Mississippi, is a hot summer month, with an average temperature ranging between min 73°F (22.8°C) and max 89.6°F (32°C).Temperature
In Lyon, July is the month with the highest recorded average temperatures, measuring a high of 89.6°F (32°C) and a low of 73°F (22.8°C).Heat index
In July, the average heat index is appraised at a blisteringly hot 107.6°F (42°C). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.It is crucial to understand that heat index figures are for shade and gentle wind conditions. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', represents the fusion of temperature and moisture in the air to suggest how warm it feels. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. 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 extremely significant for babies and toddlers. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.
Sweat evaporation plays a crucial role in cooling the human body, a process enabled by perspiration. With high air temperature and humidity (high heat index) conditions, sweat production is restricted, leading to an amplified perception of heat. The body is at risk of dehydration and related complications when it fails to shed excessive heat.
Humidity
The average relative humidity in July is 74%.Rainfall
In Lyon, in July, during 17.4 rainfall days, 3.54" (90mm) of precipitation is typically accumulated. In Lyon, Mississippi, during the entire year, the rain falls for 163.5 days and collects up to 42.68" (1084mm) of precipitation.Snowfall
In Lyon, Mississippi, snow does not fall in April through October.Daylight
In Lyon, the average length of the day in July is 14h and 11min.On the first day of the month, sunrise is at 5:54 am and sunset at 8:18 pm. On the last day of July, in Lyon, sunrise is at 6:13 am and sunset at 8:04 pm CDT.
Sunshine
In July, the average sunshine is 10.5h.UV index
The months with the highest UV index in Lyon, Mississippi, are June and July, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 7 in July, converts into the following recommendations:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Lyon, MS
- Average high temperature in July: 89.6°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (49.1°F).
- Average low temperature in July: 73°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (35.8°F).
Average pressure in July
Lyon, 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 (29.95"Hg).
Average wind speed in July
Lyon, MS
- Average wind speed in July: 5.4mph
The windiest month (with the highest average wind speed) is February (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in July
Lyon, MS
- Average humidity in July: 74%
The months with the highest relative humidity are February, March and December (78%).
The month with the lowest relative humidity is October (68%).
Average rainfall in July
Lyon, MS
- Average rainfall in July: 3.54"
The wettest month (with the highest rainfall) is April (5.04").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in July
Lyon, MS
- Average rainfall days in July: 17.4 days
The month with the highest number of rainy days is August (18.3 days).
The months with the least rainy days are October and November (9.6 days).
Average snowfall in July
Lyon, MS
- Average snowfall in July: 0"
The month with the highest snowfall is February (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in July
Lyon, MS
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (1.3 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
Lyon, 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 30min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in July
Lyon, MS
- Average sunshine days in July: 11.1 days
The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is August (10.8 days).
Average UV index in July
Lyon, MS
- Average UV index in July: 7
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in July
Lyon, MS
- Average cloud cover in July: 28
The months with the most cloud cover are February and March (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in July
Lyon, 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).
