July weather forecastAlpha, IL
July
Weather in July
July, the same as June, is another warm summer month in Alpha, Illinois, with an average temperature varying between 64.9°F (18.3°C) and 81.5°F (27.5°C).Temperature
With average temperatures fluctuating between a high of 81.5°F (27.5°C) and a low of 64.9°F (18.3°C), July stands out as the warmest month.Heat index
In July, the average heat index is appraised at a hot 87.8°F (31°C). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
Humidity
The months with the highest humidity in Alpha, Illinois, are January and July, with an average relative humidity of 83%.Rainfall
In Alpha, in July, during 15.4 rainfall days, 2.83" (72mm) of precipitation is typically accumulated. In Alpha, Illinois, during the entire year, the rain falls for 143.6 days and collects up to 27.99" (711mm) of precipitation.Snowfall
In Alpha, Illinois, snow does not fall in May through September.Daylight
In Alpha, the average length of the day in July is 14h and 48min.On the first day of the month, sunrise is at 5:32 am and sunset at 8:38 pm. On the last day of July, in Alpha, sunrise is at 5:56 am and sunset at 8:18 pm CDT.
Sunshine
The month with the most sunshine is July, with an average of 10.2h of sunshine.UV index
With an average maximum UV index of 6, July is the month with the highest UV index in Alpha, Illinois. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.Note: In July, a daily maximum UV index of 6 leads to the following instructions:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Alpha, IL
- Average high temperature in July: 81.5°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (28.4°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 (16.2°F).
Average pressure in July
Alpha, 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 (29.9"Hg).
Average wind speed in July
Alpha, IL
- Average wind speed in July: 6.8mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity in July
Alpha, IL
- Average humidity in July: 83%
The months with the highest relative humidity are January and July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in July
Alpha, IL
- Average rainfall in July: 2.83"
The wettest month (with the highest rainfall) is May (4.45").
The driest month (with the least rainfall) is December (1.26").
Average rainfall days in July
Alpha, IL
- Average rainfall days in July: 15.4 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (5 days).
Average snowfall in July
Alpha, IL
- Average snowfall in July: 0"
The month with the highest snowfall is January (4.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in July
Alpha, IL
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (11.2 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in July /
Average sunshine in July
Alpha, 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 18min).
- Average sunshine in July: 10h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in July
Alpha, IL
- Average sunshine days in July: 12.8 days
The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is May (10.4 days).
Average UV index in July
Alpha, 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
Alpha, IL
- Average cloud cover in July: 30
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in July
Alpha, 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).
