Weather in Kansas City in January

United States · 20-year averages, January

The month to avoid. Of the twelve, January is the one to avoid. Highs sit at 3.1 °C and the day is short; this is an indoors-with-excursions month, not an outdoors-all-day one.

January ranks 10 of 12 — near the bottom of Kansas City's year. September is the month that works, and the swing between the two is 51 points, which is a different holiday rather than a slightly better one.

Rain falls on only 5 days, so an itinerary with no wet-weather fallback is a reasonable risk. Layers, and a genuinely waterproof outer — at 3.1 °C the difference between a good day and a miserable one is entirely down to what you are wearing.

What the averages hide

Averages flatten a month, and this one hides a few things: 28 nights drop below freezing, so anything left outside stays frozen. Across the twenty years measured, the hottest January day reached 22.7 °C and the coldest night fell to -23.5 °C, and the wettest single day dropped 34 mm — roughly 106% of the month's rain in one day.

January is moderately variable: 3 mm in the driest year against 84 mm in the wettest, around an average of 32 mm. Roughly two Januarys in three land near that average, and the third does something else entirely.

Wind is light at 12.6 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 80%, which at 3.1 °C means damp rather than muggy — the kind of cold that gets into a coat and stays there.

How January sits in the year

This is a turning point in the year — December and February sit on opposite sides of it, so the month contains the change rather than following it.

Daylight in January

January sits at the dark end of Kansas City's year — 9.7 hours of daylight against 14.9 at midsummer, gaining 0.7 hours across the month. Sightseeing days are genuinely shorter, and an itinerary built for summer will not fit.

An inland climate

With no coast nearby, the year swings a fair way — 38.3 °C between the warmest afternoons and the coldest nights, wider than any coastal city at this latitude would manage.

How busy it gets

Off season. The genuine off season: cheapest by a distance, with the caveat that some tours and restaurants close entirely.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

January in Kansas City versus nearby

If Kansas City is one option among several, the nearby comparison is worth making. Omaha is close enough to be a coin toss — 2.8 °C cooler, 1 day less rain. Wichita is a better bet in January — 3.4 °C warmer, 2 days less rain.

So: January is a compromise. September is 51 points better and is what Kansas City is actually like at its best — worth moving the trip for if that is possible, and worth adjusting expectations for if it is not.

Every month in Kansas City

MonthHigh °CLow °CRain daysRain mmHumidity %Daylight hScore
January3.1-6.6 532809.730
February5.4-5.4 6427810.730
March130.7 8697511.962
April19.16.3 111067313.274
May23.812.4 141417614.371
June28.918.1 131397614.964
July31.720.5 111097114.757
August30.919.4 121287013.758
September26.814.5 9917112.581
October19.57.2 9917211.280
November12.51.2 5477610.167
December5.5-4.1 543819.430

See all twelve months in Kansas City, or where else to go in January.

Planning the rest of the trip

Built and maintained by Amit Sharma, Auckland, New Zealand. I build these sites so the answer is free and the data is public.

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