Olathe weather by month

Warmest month

July

89°F (32°C) average high

Coolest month

January

22°F (-6°C) average low

Wettest month

May

5.3 in (134 mm) of rain

Driest month

February

0.5 in (13 mm) of rain

Average temperature and rainfall in Olathe by month

Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.

MonthAvg highAvg lowRecord low / highRainfallHumidityWind
January40°F22°F-9°F / 81°F
0.9 in
73%9 mph
February44°F24°F-8°F / 72°F
0.5 in
70%9 mph
March58°F38°F8°F / 87°F
1.8 in
68%11 mph
April67°F45°F28°F / 82°F
3.1 in
65%11 mph
May76°F56°F34°F / 92°F
5.3 in
73%8 mph
June87°F68°F57°F / 98°F
3.1 in
70%8 mph
July89°F70°F58°F / 98°F
2.9 in
74%7 mph
August87°F69°F57°F / 104°F
2.9 in
72%7 mph
September84°F64°F49°F / 101°F
2.3 in
71%7 mph
October70°F51°F22°F / 91°F
3.2 in
72%9 mph
November59°F39°F14°F / 88°F
1.4 in
71%9 mph
December49°F31°F2°F / 91°F
1.2 in
71%9 mph

Frost and snow-likely months in Olathe

Nights in Olathe average 36°F (2°C) or below in 3 months (January, February and December). January, February and December combine average lows at or below 32°F (0°C) with 0.4 in (10 mm) or more of monthly precipitation, so precipitation then is likely to fall as snow. The coldest month is January with an average low of 22°F (-6°C) and a record low of -9°F (-23°C).

  • January: average low 22°F (-6°C), record low -9°F (-23°C), 0.9 in (22 mm) of precipitation — snow-likely
  • February: average low 24°F (-4°C), record low -8°F (-22°C), 0.5 in (13 mm) of precipitation — snow-likely
  • December: average low 31°F (-1°C), record low 2°F (-17°C), 1.2 in (30 mm) of precipitation — snow-likely

These records carry temperature and precipitation, not snowfall totals.

Best time to visit Olathe

The most comfortable time to visit Olathe is generally May and September to October, balancing mild daytime temperatures against the driest stretch of the year. The city has strongly marked seasons and rain concentrates around May, totalling about 28.6 in (727 mm) a year.

Travellers who prefer heat should aim for July, when highs average 89°F (32°C). May is the month to avoid if rain would spoil your plans — it averages 5.3 in (134 mm), roughly 10× the rainfall of the driest month (February).

Olathe climate: your questions

Does it snow a lot in Olathe?

Yes, in winter: January, February and December average lows at or below 32°F (0°C) with 0.4 in (10 mm) or more of monthly precipitation, so some of it falls as snow. The coldest month is January (average low 22°F (-6°C), record low -9°F (-23°C)). Our records carry temperature and precipitation, not snowfall totals. What is falling now: Olathe weather today.

When is it going to snow in Olathe this month?

Olathe's winter months average lows of 31°F (-1°C) in December, 22°F (-6°C) in January and 24°F (-4°C) in February, with about 2.6 in (66 mm) of precipitation across the three; 3 of them sit at or below 32°F (0°C), so snow is likely on the colder days. The records hold no snowfall totals. The next 15 days: Olathe 10-day forecast.

Which months are best for visiting Olathe?

May and September to October are the most comfortable months in Olathe, with highs near 77°F (25°C). July is the warmest month, averaging 89°F (32°C) by day; May is the wettest, with 5.3 in (134 mm); and January is the coolest, with lows near 22°F (-6°C). What it is doing today: Olathe weather today.

Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Olathe forecast for what is happening now.

Nearest cities: Monthly climate