July weather forecastBatavia, IL

July

Weather in July

July, like June, in Batavia, Illinois, is another warm summer month, with an average temperature varying between 64°F (17.8°C) and 81°F (27.2°C).

Temperature

July, with average temperatures reaching a high of 81°F (27.2°C) and a low of 64°F (17.8°C), is the warmest month.

Heat index

For July, the heat index is calculated to be a hot 87.8°F (31°C). Exhaustion becomes probable with enduring exposure and activity, potentially causing heat cramps.
For clarity, heat index numbers account for light winds and areas under shade. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.

Humidity

January, February and July, with an average relative humidity of 83%, are the most humid months.

Rainfall

In Batavia, during July, the rain falls for 14.6 days and regularly aggregates up to 1.54" (39mm) of precipitation. Throughout the year, there are 120.4 rainfall days, and 12.32" (313mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

In July, the average length of the day is 14h and 52min.
On the first day of July, sunrise is at 5:22 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 8:12 pm CDT.

Sunshine

The month with the most sunshine is July, with an average of 9.8h of sunshine.

UV index

June and July, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index, 6 in July, converts into the following recommendations:
Guard against overexposure. Protection from sun-induced harm is essential. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.

Updated: Aug 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Batavia's temperatures peak on average in July, reaching 81°F (27.2°C) at their highest and 64°F (17.8°C) at their lowest.

In Batavia, in July, the average high-temperature is 81°F (27.2°C), and the average low-temperature is 64°F (17.8°C). In July, the average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, is calculated to be 87.8°F (31°C).

The months with the highest humidity are January, February and July, with an average relative humidity of 83%.

In July, the average relative humidity is 83%.

In Batavia, in July, it is raining for 14.6 days, with typically 1.54" (39mm) of accumulated precipitation.

In Batavia, snow does not fall in May through September.

In Batavia, the average day length in July is 14h and 52min.

In July, on the first day of the month, sunrise is at 5:22 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 8:12 pm CDT.

With an average of 9.8h of sunshine, July has the most sunshine of the year.

In July, the average sunshine duration is 9.8h.

June and July, with an average maximum UV index of 6, are months with the highest UV index.

The average daily maximum UV index in July is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J July A S O N D

Jun

July

Aug

Average high temperature

78.1°F

81°F

79.3°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

7.8mph

6.8mph

6.5mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

15.5

14.6

12.5

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

11.4

11.7

13.8

Average UV index

Average cloud cover

Average visibility

Average temperature in July
Batavia, IL

Average high temperature in July: 81°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (27.9°F).

Average low temperature in July: 64°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (16°F).

Average pressure in July
Batavia, IL

Average pressure in July: 29.97"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in July
Batavia, IL

Average wind speed in July: 6.3mph

The windiest months (with the highest average wind speed) are January and February (9.8mph).
The calmest month (with the lowest average wind speed) is August (6mph).

Average humidity in July
Batavia, IL

Average humidity in July: 83%

The months with the highest relative humidity are January, February and July (83%).
The month with the lowest relative humidity is October (74%).

Average rainfall in July
Batavia, IL

Average rainfall in July: 1.54"

The wettest month (with the highest rainfall) is May (1.97").
The driest month (with the least rainfall) is February (0.51").

Average rainfall days in July
Batavia, IL

Average rainfall days in July: 14.6 days

The month with the highest number of rainy days is June (15.5 days).
The month with the least rainy days is January (4.3 days).

Average snowfall in July
Batavia, IL

Average snowfall in July: 0"

The month with the highest snowfall is January (1.69").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in July
Batavia, IL

Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
Batavia, IL

Average daylight in July: 14h and 54min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

Average sunshine in July: 9h and 48min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in July
Batavia, IL

Average sunshine days in July: 11.7 days

The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is June (11.4 days).

Average UV index in July
Batavia, IL

Average UV index in July: 6

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in July
Batavia, IL

Average cloud cover in July: 34

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 32).

Average visibility in July
Batavia, 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).