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Riley County (Manhattan)
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United States weather

Weather in Riley County, Kansas for December 2026

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

    Snow Forecast ❄️

  • Snowfall in Riley County during December is quite rare, with fewer than 2 snowy days on average.

    • Temperatures

  • In general, the average temperature in Riley County at the beginning of December is 1.9 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 7 °F by the end of December.

    • Rain 🌧️

  • Precipitation in Riley County during December is a rare event, with an average of fewer than 2 rainy days.

    • More

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

Average dry days
30
Dry days
Average rainy days
0
Rainy days
Average snowy days
1
Snow days
Average temperatures
6°/-2°
Temperatures
Average wind speed
27 km/h
Avg max wind
Average humidity
77 %
Avg humidity

Riley County Weather December

Move between months or click on a day
November
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Moderate snow
-1°
2
Mist
6°
3
Mist
2°
4
Partly cloudy
0°
5
Cloudy
2°
6
Mist
4°
7
Overcast
0°
8
Overcast
8°
9
Overcast
10°
10
Cloudy
8°
11
Overcast
14°
12
Overcast
5°
13
Overcast
5°
14
Cloudy
0°
15
Sunny
7°
16
Freezing fog
8°
17
Freezing fog
9°
18
Overcast
9°
19
Overcast
7°
20
Overcast
5°
21
Overcast
6°
22
Overcast
6°
23
Mist
5°
24
Fog
8°
25
Fog
7°
26
Mist
7°
27
Fog
7°
28
Mist
12°
29
Sunny
1°
30
Partly cloudy
6°
31
Freezing fog
9°

Temperatures trend during December in Riley County

See the weather trend as well as the moving average line

December weather in Riley County day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
Dec. 1 Moderate snow
Moderate snow
 -1° /-4° 5.3 mm 3.8 cm
Dec. 2 Mist
Mist
 6° /-9° 0 mm 0 cm
Dec. 3 Mist
Mist
 2° /-3° 0 mm 0 cm
Dec. 4 Partly cloudy
Partly cloudy
 0° /-7° 0 mm 0 cm
Dec. 5 Cloudy
Cloudy
 2° /-4° 0 mm 0 cm
Dec. 6 Mist
Mist
 4° /-6° 0 mm 0 cm
Dec. 7 Overcast
Overcast
 0° /-2° 0 mm 0 cm
Dec. 8 Overcast
Overcast
 8° /-2° 0 mm 0 cm
Dec. 9 Overcast
Overcast
 10° /-1° 0 mm 0 cm
Dec. 10 Cloudy
Cloudy
 8° /3° 0 mm 0 cm
Dec. 11 Overcast
Overcast
 14° /1° 0 mm 0 cm
Dec. 12 Overcast
Overcast
 5° /1° 0 mm 0 cm
Dec. 13 Overcast
Overcast
 5° /-5° 0 mm 0 cm
Dec. 14 Cloudy
Cloudy
 0° /-8° 0 mm 0 cm
Dec. 15 Sunny
Sunny
 7° /-5° 0 mm 0 cm
Dec. 16 Freezing fog
Freezing fog
 8° /-2° 0 mm 0 cm
Dec. 17 Freezing fog
Freezing fog
 9° /-4° 0 mm 0 cm
Dec. 18 Overcast
Overcast
 9° /0° 0 mm 0 cm
Dec. 19 Overcast
Overcast
 7° /-3° 0 mm 0 cm
Dec. 20 Overcast
Overcast
 5° /-2° 0 mm 0 cm
Dec. 21 Overcast
Overcast
 6° /0° 0 mm 0 cm
Dec. 22 Overcast
Overcast
 6° /0° 0 mm 0 cm
Dec. 23 Mist
Mist
 5° /-1° 0 mm 0 cm
Dec. 24 Fog
Fog
 8° /4° 0 mm 0 cm
Dec. 25 Fog
Fog
 7° /5° 0 mm 0 cm
Dec. 26 Mist
Mist
 7° /4° 0 mm 0 cm
Dec. 27 Fog
Fog
 7° /2° 0 mm 0 cm
Dec. 28 Mist
Mist
 12° /-3° 0 mm 0 cm
Dec. 29 Sunny
Sunny
 1° /-6° 0 mm 0 cm
Dec. 30 Partly cloudy
Partly cloudy
 6° /-8° 0 mm 0 cm
Dec. 31 Freezing fog
Freezing fog
 9° /-3° 0 mm 0 cm
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Important Notice
Our weather forecast for Riley County in December 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 December - FAQ

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

Prepare for cooler days with highs just around 6° and colder nights, dipping below -2°.

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

Rainfall in Riley County during December is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 0 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.

Will it snow in Riley County in December 2026?

Riley County typically sees 3.8 cm of snowfall during December.

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

The average wind speed in Riley County during December is 27 km/h, suggesting breezy to windy conditions, depending on your activities.

Riley County snow forecast December 2026

Track daily snowfall levels and discover Riley County’s snowy potential this December ❄️
On average, Riley County sees 1 snowy days during December, with approximately 3.8 cm of total snowfall.

December rainfall patterns in Riley County

Explore the daily rainfall trends and prepare for Riley Countys December weather 💧
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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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