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Riley County (Manhattan)
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United States weather

Weather in Riley County, Kansas for August 2026

Your guide to Riley County weather in August - trends and predictions

    Temperatures

  • In general, the average temperature in Riley County at the beginning of August is 29.7 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 24.3 °F by the end of August.

    • Rain 🌧️

  • Riley County experiences moderate rainfall in August, with an average of 10 rainy days and a total precipitation of 99.9 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
21
Dry days
Average rainy days
10
Rainy days
Average snowy days
0
Snow days
Average temperatures
30°/19°
Temperatures
Average wind speed
24 km/h
Avg max wind
Average humidity
73 %
Avg humidity

Riley County Weather August

Move between months or click on a day
July
September
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Fog
26°
2
Mist
27°
3
Thundery outbreaks possible
25°
4
Light rain shower
29°
5
Thundery outbreaks possible
31°
6
Light rain shower
33°
7
Thundery outbreaks possible
37°
8
Thundery outbreaks possible
37°
9
Thundery outbreaks possible
36°
10
Light rain shower
30°
11
Moderate or heavy rain with thunder
26°
12
Fog
32°
13
Fog
33°
14
Mist
35°
15
Thundery outbreaks possible
37°
16
Sunny
38°
17
Sunny
36°
18
Thundery outbreaks possible
38°
19
Cloudy
29°
20
Fog
34°
21
Partly cloudy
30°
22
Overcast
33°
23
Fog
30°
24
Overcast
26°
25
Overcast
25°
26
Mist
28°
27
Light rain
18°
28
Light rain shower
23°
29
Fog
27°
30
Mist
26°
31
Light rain shower
23°

Temperatures trend during August in Riley County

See the weather trend as well as the moving average line

August weather in Riley County day by day

Click on a date for more information
July September
Date Weather Temperatures Rain UV More
Aug. 1 Fog
Fog
 26° /16° 0 mm 10
Aug. 2 Mist
Mist
 27° /14° 0 mm 10
Aug. 3 Thundery outbreaks possible
Thundery outbreaks possible
 25° /15° 0 mm 6
Aug. 4 Light rain shower
Light rain shower
 29° /17° 8.6 mm 11
Aug. 5 Thundery outbreaks possible
Thundery outbreaks possible
 31° /18° 0 mm 8
Aug. 6 Light rain shower
Light rain shower
 33° /22° 7 mm 11
Aug. 7 Thundery outbreaks possible
Thundery outbreaks possible
 37° /24° 0 mm 11
Aug. 8 Thundery outbreaks possible
Thundery outbreaks possible
 37° /24° 0 mm 11
Aug. 9 Thundery outbreaks possible
Thundery outbreaks possible
 36° /26° 0 mm 11
Aug. 10 Light rain shower
Light rain shower
 30° /23° 10.7 mm 6
Aug. 11 Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 26° /22° 33 mm 3
Aug. 12 Fog
Fog
 32° /17° 0 mm 9
Aug. 13 Fog
Fog
 33° /19° 0 mm 11
Aug. 14 Mist
Mist
 35° /20° 0 mm 10
Aug. 15 Thundery outbreaks possible
Thundery outbreaks possible
 37° /22° 0 mm 10
Aug. 16 Sunny
Sunny
 38° /24° 0 mm 10
Aug. 17 Sunny
Sunny
 36° /22° 0 mm 10
Aug. 18 Thundery outbreaks possible
Thundery outbreaks possible
 38° /22° 0 mm 10
Aug. 19 Cloudy
Cloudy
 29° /23° 0 mm 10
Aug. 20 Fog
Fog
 34° /20° 0 mm 10
Aug. 21 Partly cloudy
Partly cloudy
 30° /19° 0 mm 10
Aug. 22 Overcast
Overcast
 33° /20° 0 mm 10
Aug. 23 Fog
Fog
 30° /17° 2.2 mm 8
Aug. 24 Overcast
Overcast
 26° /13° 0.4 mm 10
Aug. 25 Overcast
Overcast
 25° /15° 0 mm 6
Aug. 26 Mist
Mist
 28° /12° 0 mm 9
Aug. 27 Light rain
Light rain
 18° /13° 1.7 mm 2
Aug. 28 Light rain shower
Light rain shower
 23° /14° 14.6 mm 5
Aug. 29 Fog
Fog
 27° /16° 0 mm 5
Aug. 30 Mist
Mist
 26° /17° 8.4 mm 5
Aug. 31 Light rain shower
Light rain shower
 23° /18° 13.3 mm 2
Next
Important Notice
Our weather forecast for Riley County in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Riley County forecast closer to your planned date for the most up-to-date weather information.
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Riley County in August - FAQ

What are the expected maximum and minimum temperatures in Riley County during August?

Expect warm days with temperatures around 30°, cooling to mild conditions of 19° after sunset. Perfect for those who enjoy warm weather.

How much rainfall should be expected in Riley County during August?

Moderate rainfall is anticipated in Riley County during August, with a total of 99.9 mm spread over approximately 10 days. Considering plans for rainy days is advisable.

What are the typical wind conditions in Riley County during August?

The average wind speed in Riley County during August is 24 km/h, suggesting breezy to windy conditions, depending on your activities.

August rainfall patterns in Riley County

Explore the daily rainfall trends and prepare for Riley Countys August weather 💧
Typically, Riley County has 10 rainy days in August with a total of 99.9 mm of rainfall.

UV exposure in Riley County during August

Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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Manhattan
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Location coordinates Where is Riley County?

Get accurate weather forecasts for Riley County, located at latitude 39.184 and longitude -96.572. Stay updated with localized weather information tailored for Riley County.

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