Olathe, KS weather in January
Expect cold, mostly dry weather with some snow in Olathe in January, with highs near 39°F and lows near 21°F. Rain or snow falls on about 6 days. Snowfall averages about 5.0 in. It is one of the coldest months in Olathe.
- Normal high
- 39°F
- Normal low
- 21°F
- Wet days
- 6
- 1.2 in total
- Snowfall
- 5.0 in
- snow on the ground 8 days
How January changes from start to finish
| January 1 | January 31 | |
|---|---|---|
| Normal high | 39°F | 40°F |
| Normal low | 22°F | 22°F |
| Chance of a wet day | 19% | 17% |
| Sunrise / sunset | 7:37 am / 5:07 pm | 7:26 am / 5:39 pm |
| Daylight | 9.5 h | 10.2 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Central Time).
A typical January day
- 6 am27°Fdew point 20°F
- 9 am28°Fdew point 21°F
- Noon35°Fdew point 22°F
- 3 pm38°Fdew point 22°F
- 6 pm35°Fdew point 22°F
- 9 pm32°Fdew point 22°F
NOAA hourly normals (local standard time) from Kansas City Downtown Airport (20 mi away); average wind 8 mph; clear or few clouds in 61% of daytime hours, mostly cloudy or overcast in 37%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F1 of 31
- Hot dayshigh 90°F or more0 of 31
- Muggy daysdaily mean dew point 65°F or more0 of 31
- Wet daysat least 0.01 in of rain or melted snow6 of 31
- Notable rainat least 0.10 in3 of 31
- Freezing nightslow 32°F or below27 of 31
- Snow on the groundsnow depth 1 in or more8 of 31
Average days per January, counted from daily records for each year 1991-2020.
Rain and snow in January
Normal precipitation is 1.2 in; a dry January brings about 0.6 in and a wet one about 1.6 in (25th and 75th percentiles). About 1 day brings half an inch or more. Normal snowfall is 5.0 in, with about 2 days of an inch or more.
How January varies from year to year
- Warmest January, 1991-20202006: average high 51°F
- Coolest January2010: average high 30°F
- Wettest January2005: 3.2 in
- Driest January2012: 0.1 in
- Highest reading74°F (January 28, 2015)
- Lowest reading-10°F (January 28, 1997)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
January compared with December and February
| December | January | February | |
|---|---|---|---|
| Normal high | 42°F | 39°F | 44°F |
| Normal low | 25°F | 21°F | 25°F |
| Wet days | 6 | 6 | 5 |
| Comfortable days | 1 | 1 | 2 |
| Daylight | 9.5 h | 9.8 h | 10.8 h |
Highs change by -3°F from December and +5°F into February.
Nearby alternatives in January
- Warmer: Springfield, MO142 mi · high 44°F · 8 wet days
- Cooler: Omaha, NE175 mi · high 34°F · 7 wet days
How Olathe ranks in January
- Normal high269th warmest of 378 cities; 3rd of 3 in Kansas
- Wet days57th driest of 378
- Comfortable days211th most of 339
What to pack for Olathe in January
- A warm jacket – lows near 21°F, highs near 39°F
- Waterproof boots – about 5.0 in of snow in a typical year
- A hat and gloves – about 27 freezing nights
Heating and cooling
January has 1086 heating degree days and 0 cooling degree days (base 65°F), 17% of the year's total heating and cooling demand.
Questions
How cold is Olathe in January?
The normal high is 39°F and the normal low is 21°F. From 1991 to 2020 the coldest January reading was -10°F (January 28, 1997).
Does it rain a lot in Olathe in January?
About 6 days in January have at least 0.01 in of precipitation, and the normal total is 1.2 in. The wettest January in 1991-2020 was in 2005 (3.2 in); the driest was in 2012 (0.1 in).
Does it snow in Olathe in January?
Yes. Normal snowfall in January is 5.0 in, and snow covers the ground on about 8 days.
Is January a good time to visit Olathe?
January ranks 12th of 12 months on our comfort score for Olathe (35 out of 100). It has about 1 comfortable day. The best months are April and May.
Where the numbers come from
- Temperature and frost dates: Olathe Johnson Co Exec Airport (USW00003967), 4.8 mi ESE of the city center, 1,070 ft . NOAA normals and daily records, 1991-2020.
- Rain, snowfall and snow depth: Bonner Springs (USC00140957), 13 mi NNW of the city center, 850 ft (185 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour and cloud cover: Kansas City Downtown Airport (USW00013988), 20 mi NE of the city center, 742 ft (293 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: New Century Aircenter Arpt (724475-93909), 5.6 mi SW of the city center, 1,055 ft . Hourly observations, 1991-2020.