August weather forecast
Batavia, IL

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Weather in August

The last month of the summer, August, is another warm month in Batavia, Illinois, with temperature in the range of an average high of 79.3°F (26.3°C) and an average low of 62.4°F (16.9°C).

Temperature

The transition into August is marked with an average high-temperature of a still warm 79.3°F (26.3°C), showing an insignificant shift from July's 81°F (27.2°C). August nights observe an average temperature dip to a refreshing 62.4°F (16.9°C).

Humidity

The average relative humidity in August is 82%.

Rainfall

In Batavia, in August, during 12.5 rainfall days, 1.06" (27mm) of precipitation is typically accumulated. In Batavia, during the entire year, the rain falls for 120.4 days and collects up to 12.32" (313mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in August is 13h and 49min.
On the first day of the month, sunrise is at 5:47 am and sunset at 8:11 pm. On the last day of August, sunrise is at 6:18 am and sunset at 7:27 pm CDT.

Sunshine

In August, the average sunshine is 9.7h.

UV index

The average daily maximum UV index in August in Batavia is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: An average UV index of 5 in August transforms into this advice:
Exercise prevention - Protecting skin and eyes from harm is required. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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Frequently asked questions

What are August temperatures in Batavia?

The high-temperature, in August, in Batavia, is 79.3°F (26.3°C), while the low-temperature averages to 62.4°F (16.9°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in July is calculated to be 87.8°F (31°C).

What is the average humidity in August in Batavia?

In August, the average relative humidity is 82%.

How much does it rain in Batavia in August?

In Batavia, in August, it is raining for 12.5 days, with typically 1.06" (27mm) of accumulated precipitation.

When it does not snow in Batavia?

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

How many hours of daylight does Batavia have in August?

In August, the average day length in Batavia is 13h and 49min.

What time are sunrise and sunset in August in Batavia?

On the first day of August in Batavia, Illinois, sunrise is at 5:47 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 7:27 pm CDT.

How long on average sun shines in August in Batavia?

The average sunshine duration in August in Batavia, Illinois, is 9.7h.

What is the UV index intensity in August in Batavia?

In August, the average daily maximum UV index in Batavia, Illinois, is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Batavia, IL

Average temperature in August - Batavia, IL
  • Average high temperature in August: 79.3°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 August: 62.4°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).

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Average pressure in August
Batavia, IL

Average pressure in August - Batavia, IL
  • Average pressure in August: 29.98"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).

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Average wind speed in August
Batavia, IL

Average wind speed in August - Batavia, IL
  • Average wind speed in August: 6mph

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).

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Average humidity in August
Batavia, IL

Average humidity in August - Batavia, IL
  • Average humidity in August: 82%

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

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Average rainfall in August
Batavia, IL

Average rainfall in August - Batavia, IL
  • Average rainfall in August: 1.06"

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

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Average rainfall days in August
Batavia, IL

Average rainfall days in August - Batavia, IL
  • Average rainfall days in August: 12.5 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).

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Average snowfall in August
Batavia, IL

Average snowfall in August - Batavia, IL
  • Average snowfall in August: 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").

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Average snowfall days in August
Batavia, IL

Average snowfall days in August - Batavia, IL
  • Average snowfall days in August: 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).

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

Average daylight in August / Average sunshine in August - Batavia, IL
  • Average daylight in August: 13h and 5min

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 August: 9h and 4min

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).

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Average sunshine days in August
Batavia, IL

Average sunshine days in August - Batavia, IL
  • Average sunshine days in August: 13.8 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).

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Average UV index in August
Batavia, IL

Average UV index in August - Batavia, IL
  • Average UV index in August: 5

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).

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Average cloud cover in August
Batavia, IL

Average cloud cover in August - Batavia, IL
  • Average cloud cover in August: 33

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

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Average visibility in August
Batavia, IL

Average visibility in August - Batavia, IL
  • Average visibility in August: 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).

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Batavia, Illinois, USA

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