July weather forecastHavana, IL
July
Weather in July
July, the same as June, is another warm summer month in Havana, Illinois, with temperature in the range of an average high of 82.6°F (28.1°C) and an average low of 66°F (18.9°C).Temperature
The warmest time of the year is July, with temperatures averaging a high of 82.6°F (28.1°C) and a low of 66°F (18.9°C).Heat index
July's mean heat index is evaluated at a hot 91.4°F (33°C). Implement more preventive measures, heat cramps and heat exhaustion are probable. Heatstroke might result from extended activity.Evaluating the heat index requires understanding its values in the shade and with gentle winds. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is found by incorporating humidity levels into the air temperature measurement. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
Humidity
With an average relative humidity of 83%, July is the most humid month in Havana.Rainfall
In July, the rain falls for 15.1 days. Throughout July, 2.36" (60mm) of precipitation is accumulated. In Havana, during the entire year, the rain falls for 142.9 days and collects up to 28.31" (719mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Havana, the average length of the day in July is 14h and 43min.On the first day of July in Havana, sunrise is at 5:34 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 8:15 pm CDT.
Sunshine
The average sunshine in July is 10.2h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index in Havana. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 6 in July translates into this advice:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. 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. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Havana, IL
- Average high temperature in July: 82.6°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in July: 66°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in July
Havana, IL
- Average pressure in July: 29.97"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in July
Havana, IL
- Average wind speed in July: 6.3mph
The windiest months (with the highest average wind speed) are January, February and April (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in July
Havana, IL
- Average humidity in July: 83%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in July
Havana, IL
- Average rainfall in July: 2.36"
The wettest month (with the highest rainfall) is May (3.86").
The driest month (with the least rainfall) is December (1.38").
Average rainfall days in July
Havana, IL
- Average rainfall days in July: 15.1 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in July
Havana, IL
- Average snowfall in July: 0"
The month with the highest snowfall is January (3.5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in July
Havana, IL
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (9.2 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
Havana, IL
- Average daylight in July: 14h and 42min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in July: 10h and 12min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in July
Havana, IL
- Average sunshine days in July: 12.3 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is May (11.1 days).
Average UV index in July
Havana, IL
- Average UV index in July: 6
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in July
Havana, IL
- Average cloud cover in July: 29
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are July, August and September (Cloud cover 29).
Average visibility in July
Havana, IL
- Average visibility in July: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
