Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
The warmest time of the year is July, with temperatures averaging a high of 87.8°F (31°C) and a low of 68.5°F (20.3°C).Heat index
The heat index value during July is evaluated at a scorching 104°F (40°C). Exercise increased caution, heat cramps and heat exhaustion are potential hazards. Continuous activity could lead to heatstroke.The standards for the heat index are set for locations in shade and under light breezes. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', arises from combining readings of air temperature and relative moisture content. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
The natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive 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. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.
Humidity
The average relative humidity in July is 77%.Rainfall
In Rockwood, during July, the rain falls for 13.4 days and regularly aggregates up to 1.06" (27mm) of precipitation. Throughout the year, in Rockwood, Illinois, there are 111.9 rainfall days, and 10.43" (265mm) of precipitation is accumulated.Snowfall
In Rockwood, snow does not fall in April through September.Daylight
In Rockwood, the average length of the day in July is 14h and 29min.On the first day of July in Rockwood, sunrise is at 5:40 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 8:08 pm CDT.
Sunshine
June and July, with an average of 10.6h of sunshine, are months with the most sunshine.UV index
The months with the highest UV index in Rockwood are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 6 in July interprets into the following recommendations:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Frequently asked questions
What is the warmest month in Rockwood?
How hot does it get in Rockwood in July?
What is the average humidity in July in Rockwood?
How much does it rain in Rockwood in July?
When it does not snow in Rockwood?
How many hours of daylight does Rockwood have in July?
When is the sunrise / sunset in July in Rockwood?
What is the month with the most sunshine in Rockwood?
How long on average sun shines in July in Rockwood?
What are the months with the highest UV index in Rockwood?
What is the UV index reading in July in Rockwood?
Average temperature in July
Rockwood, IL
- Average high temperature in July: 87.8°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (39.4°F).
- Average low temperature in July: 68.5°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in July
Rockwood, IL
- 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
Rockwood, IL
- Average wind speed in July: 5.5mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in July
Rockwood, IL
- Average humidity in July: 77%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in July
Rockwood, IL
- Average rainfall in July: 1.06"
The wettest months (with the highest rainfall) are April and May (1.22").
The driest month (with the least rainfall) is September (0.43").
Average rainfall days in July
Rockwood, IL
- Average rainfall days in July: 13.4 days
The month with the highest number of rainy days is July (13.4 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in July
Rockwood, IL
- Average snowfall in July: 0"
The month with the highest snowfall is February (0.59").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in July
Rockwood, IL
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (3.7 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
Rockwood, IL
- Average daylight in July: 14h and 3min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in July: 10h and 4min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 4h and 48min).
Average sunshine days in July
Rockwood, IL
- Average sunshine days in July: 13.5 days
The month with the most sunshine days is October (21.9 days).
The month with the least sunshine days is July (13.5 days).
Average UV index in July
Rockwood, IL
- 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, February and December (UV index 2).
Average cloud cover in July
Rockwood, IL
- Average cloud cover in July: 28
The months with the most cloud cover are January and February (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in July
Rockwood, IL
- 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).
Rockwood, Illinois, USA
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