July weather forecastGeneseo, IL
July
Weather in July
July, like June, in Geneseo, Illinois, is a moderately hot summer month, with an average temperature ranging between min 64.9°F (18.3°C) and max 81.1°F (27.3°C).Temperature
July is the warmest month, with an average high-temperature of 81.1°F (27.3°C) and an average low-temperature of 64.9°F (18.3°C).Heat index
July's heat index is evaluated at a hot 87.8°F (31°C). If one continues to be active during exposure, it might cause tiredness and subsequent heat cramps.Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'real feel', measures the perceived warmth when incorporating the humidity present in the air. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Humidity
The months with the highest humidity are January and July, with an average relative humidity of 84%.Rainfall
In Geneseo, during July, the rain falls for 13 days and regularly aggregates up to 1.65" (42mm) of precipitation. Throughout the year, there are 118.8 rainfall days, and 15.04" (382mm) of precipitation is accumulated.Snowfall
In Geneseo, snow does not fall in May through September.Daylight
The average length of the day in July is 14h and 49min.On the first day of July, sunrise is at 5:31 am and sunset at 8:38 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 8:18 pm CDT.
Sunshine
July has the most sunshine of the year, with an average of 10h of sunshine.UV index
July is the month with the highest UV index, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 6 in July converts into the following recommendations:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete 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
Geneseo, IL
- Average high temperature in July: 81.1°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in July: 64.9°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16°F).
Average pressure in July
Geneseo, IL
- Average pressure in July: 29.96"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in July
Geneseo, IL
- Average wind speed in July: 6.7mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in July
Geneseo, IL
- Average humidity in July: 84%
The months with the highest relative humidity are January and July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in July
Geneseo, IL
- Average rainfall in July: 1.65"
The wettest month (with the highest rainfall) is May (2.48").
The driest months (with the least rainfall) are January and December (0.63").
Average rainfall days in July
Geneseo, IL
- Average rainfall days in July: 13 days
The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is February (3.9 days).
Average snowfall in July
Geneseo, IL
- Average snowfall in July: 0"
The month with the highest snowfall is January (2.13").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in July
Geneseo, IL
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (9 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
Geneseo, IL
- Average daylight in July: 14h and 48min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in July: 10h
The month with the most sunshine is July (Average sunshine: 10h).
The month with the least sunshine is January (Average sunshine: 4h).
Average sunshine days in July
Geneseo, IL
- Average sunshine days in July: 15.5 days
The month with the most sunshine days is December (20.9 days).
The month with the least sunshine days is June (12 days).
Average UV index in July
Geneseo, IL
- Average UV index in July: 6
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in July
Geneseo, IL
- Average cloud cover in July: 31
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in July
Geneseo, IL
- Average visibility in July: 5mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
