August weather forecast
Serena, IL

Weather in August

August, the last month of the summer in Serena, is also a moderately hot month, with temperature in the range of an average high of 79.3°F (26.3°C) and an average low of 62.1°F (16.7°C).

Temperature

In Serena, the average high-temperature in August is essentially the same as in July - a still moderately hot 79.3°F (26.3°C). In Serena, in August, the average low-temperature is 62.1°F (16.7°C).

Humidity

In August, the average relative humidity in Serena is 84%.

Rainfall

In Serena, in August, during 9.8 rainfall days, 0.59" (15mm) of precipitation is typically accumulated. In Serena, during the entire year, the rain falls for 97.4 days and collects up to 8.07" (205mm) of precipitation.

Snowfall

May through September are months without snowfall in Serena.

Daylight

The average length of the day in August is 13h and 47min.
On the first day of August in Serena, Illinois, sunrise is at 5:49 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 7:30 pm CDT.

Sunshine

August has the most sunshine of the year, with an average of 9.8h of sunshine.

UV index

The average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The average daily UV index of 5 in August transform into the following instructions:
Take precautions - Protection against skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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.
[Resources]

FAQ

What is the temperature in August in Serena?

In Serena, in August, the average high-temperature is 79.3°F (26.3°C), and the average low-temperature is 62.1°F (16.7°C). in July, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, is evaluated at 87.8°F (31°C).

What is the average humidity in August in Serena?

In Serena, the average relative humidity in August is 84%.

How many days does it rain in August in Serena?

In Serena, during August, the rain falls for 9.8 days and regularly aggregates up to 0.59" (15mm) of precipitation.

When it does not snow in Serena?

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

How many hours of daylight does Serena have in August?

In Serena, Illinois, the average day length in August is 13h and 47min.

What time are sunrise and sunset in August in Serena?

In August, on the first day of the month, sunrise is at 5:49 am and sunset at 8:12 pm. On the last day of the month, in Serena, Illinois, sunrise is at 6:20 am and sunset at 7:30 pm CDT.

What month has the most sunshine in Serena?

The month with the most sunshine in Serena, Illinois, is August, with an average of 9.8h of sunshine.

How many hours of sunshine does Serena have in August?

In Serena, Illinois, the average sunshine duration in August is 9.8h.

What is the UV index reading in August in Serena?

In August, the average daily maximum UV index in Serena is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Serena, IL

Average temperature in August - Serena, 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 (28.8°F).

  • Average low temperature in August: 62.1°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

[Resources]

Average pressure in August
Serena, IL

Average pressure in August - Serena, IL
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

[Resources]

Average wind speed in August
Serena, IL

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

The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is August (6mph).

[Resources]

Average humidity in August
Serena, IL

Average humidity in August - Serena, IL
  • Average humidity in August: 84%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (73%).

[Resources]

Average rainfall in August
Serena, IL

Average rainfall in August - Serena, IL
  • Average rainfall in August: 0.59"

The wettest month (with the highest rainfall) is May (1.14").
The driest month (with the least rainfall) is November (0.35").

[Resources]

Average rainfall days in August
Serena, IL

Average rainfall days in August - Serena, IL
  • Average rainfall days in August: 9.8 days

The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is January (3 days).

[Resources]

Average snowfall in August
Serena, IL

Average snowfall in August - Serena, IL
  • Average snowfall in August: 0"

The month with the highest snowfall is January (0.98").
The months with the least snowfall are May, June, July, August and September (0").

[Resources]

Average snowfall days in August
Serena, IL

Average snowfall days in August - Serena, IL
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

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

Average daylight in August / Average sunshine in August - Serena, IL
  • Average daylight in August: 13h and 47min

The month with the longest days is June (Average daylight: 15h and 8min).
The month with the shortest days is December (Average daylight: 9h and 14min).

  • Average sunshine in August: 9h and 48min

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

[Resources]

Average sunshine days in August
Serena, IL

Average sunshine days in August - Serena, IL
  • Average sunshine days in August: 18.4 days

The month with the most sunshine days is December (23 days).
The month with the least sunshine days is May (14.7 days).

[Resources]

Average UV index in August
Serena, IL

Average UV index in August - Serena, 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).

[Resources]

Average cloud cover in August
Serena, IL

Average cloud cover in August - Serena, IL
  • Average cloud cover in August: 34

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 33).

[Resources]

Average visibility in August
Serena, IL

Average visibility in August - Serena, 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).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location