Olathe weather in December: Olathe, Kansas: normal highs, lows, rain and records for December
Olathe in December has a normal high of 42°F and a normal low of 25°F, a daily mean of 34°F, falling from 47°F on the 1st to 39°F by the 31st. Measurable precipitation falls on 5 days in a normal December, 1.42 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 6°C and low of −4°C, 36 mm of precipitation in December.
- NOAA stationOlathe Johnson County Exec Airport
- Station IDUSW00003967
- Location38.85°N 94.74°W
- Elevation1,070 ft (326 m)
- Population149,035
- Jan 39° 21°
- Feb 44° 25°
- Mar 55° 35°
- Apr 65° 45°
- May 74° 55°
- Jun 83° 65°
- Jul 88° 69°
- Aug 87° 67°
- Sep 78° 59°
- Oct 67° 47°
- Nov 53° 35°
- Dec 42° 25°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Olathe in December?
The normal high is 42°F and the normal low 25°F, for a daily mean of 33.8°F. December is 10.2°F cooler than November and 3.8°F warmer than January. December is the 11th warmest month of the year in Olathe and the 10th wettest. Across the month the normal high falls 8°F, from 47°F on December 1 to 39°F on December 31. From one year to the next December's mean temperature typically moves about 4.1°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 30°F and 38°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 19%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 47°F | 29°F | 19% | 10% |
| December 8 | 44°F | 27°F | 18% | 9% |
| December 15 | 42°F | 25°F | 18% | 8% |
| December 22 | 41°F | 24°F | 17% | 8% |
| December 31 | 39°F | 22°F | 17% | 7% |
Every day of December: normal high, low and chance of precipitation (warmest afternoon December 1, coldest night December 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| December 1 | 47°F | 29°F | 19% | 10% | 9 h 40 min |
| December 2 | 46°F | 29°F | 19% | 10% | 9 h 40 min |
| December 3 | 46°F | 29°F | 19% | 10% | 9 h 40 min |
| December 4 | 45°F | 28°F | 18% | 10% | 9 h 40 min |
| December 5 | 45°F | 28°F | 18% | 9% | 9 h 40 min |
| December 6 | 45°F | 28°F | 18% | 9% | 9 h 30 min |
| December 7 | 44°F | 28°F | 18% | 9% | 9 h 30 min |
| December 8 | 44°F | 27°F | 18% | 9% | 9 h 30 min |
| December 9 | 44°F | 27°F | 18% | 9% | 9 h 30 min |
| December 10 | 44°F | 27°F | 18% | 9% | 9 h 30 min |
| December 11 | 43°F | 27°F | 18% | 9% | 9 h 30 min |
| December 12 | 43°F | 26°F | 18% | 9% | 9 h 30 min |
| December 13 | 43°F | 26°F | 18% | 9% | 9 h 30 min |
| December 14 | 42°F | 26°F | 18% | 8% | 9 h 30 min |
| December 15 | 42°F | 25°F | 18% | 8% | 9 h 30 min |
| December 16 | 42°F | 25°F | 18% | 8% | 9 h 30 min |
| December 17 | 42°F | 25°F | 18% | 8% | 9 h 30 min |
| December 18 | 41°F | 25°F | 18% | 8% | 9 h 30 min |
| December 19 | 41°F | 25°F | 18% | 8% | 9 h 30 min |
| December 20 | 41°F | 24°F | 18% | 8% | 9 h 30 min |
| December 21 | 41°F | 24°F | 18% | 8% | 9 h 30 min |
| December 22 | 41°F | 24°F | 17% | 8% | 9 h 30 min |
| December 23 | 40°F | 24°F | 17% | 7% | 9 h 30 min |
| December 24 | 40°F | 24°F | 17% | 7% | 9 h 30 min |
| December 25 | 40°F | 23°F | 17% | 7% | 9 h 30 min |
| December 26 | 40°F | 23°F | 17% | 7% | 9 h 30 min |
| December 27 | 40°F | 23°F | 17% | 7% | 9 h 30 min |
| December 28 | 40°F | 23°F | 17% | 7% | 9 h 30 min |
| December 29 | 39°F | 23°F | 17% | 7% | 9 h 30 min |
| December 30 | 39°F | 22°F | 17% | 7% | 9 h 30 min |
| December 31 | 39°F | 22°F | 17% | 7% | 9 h 30 min |
- Normal high
- 42°FDecember average
- Normal low
- 25°FDecember average
- Precipitation
- 1.42 inmonth total
- Days with precipitation
- 50.01 inch or more
- Nights at 32°F or colder
- 24
- Daylight
- 9 h 40 min to 9 h 30 minDecember 1 to December 31
- Sunshine
- 71%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00003967; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Olathe in December?
On a given December day the chance of 0.01 inch or more is 18% on average, highest around December 1 (19%). In all, 1.42 in falls on 5 days of a normal December.
In a normal December in Olathe, 24 nights fall to freezing and 7 days stay below freezing all day.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00003967.
What are the records for December in Olathe?
The warmest December temperature on this station's record (since 1996) is 74°F, on December 15, 2021; the coldest is −8°F, on December 18, 2016. The wettest December brought 3.80 in (2015).
The December mean against the 1991-2020 normal of 33.8°F: 2021 44.6°F (+10.8), 2022 32.6°F (−1.2), 2023 40.9°F (+7.1), 2024 37.6°F (+3.8), 2025 37.1°F (+3.4). 4 of 5 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 44.6°F | +10.8°F | 0.55 in |
| 2022 | 32.6°F | −1.2°F | 1.00 in |
| 2023 | 40.9°F | +7.1°F | 3.28 in |
| 2024 | 37.6°F | +3.8°F | 0.22 in |
| 2025 | 37.1°F | +3.4°F | 0.25 in |
Source: records: ACIS, station USW00003967; recent months: ACIS, station USW00003967. Records and recent months use complete months only.
How does December in Olathe compare across Kansas?
Across the 137 places PlainClimate covers in Kansas, December normal highs run from 39°F in Baileyville to 50°F in Coldwater; Olathe's is 42°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.