Olathe (KS) Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Olathe.

Climate overview of Olathe

Olathe, Kansas, United States of America, sees big temperature differences between seasons, with July peaking at 32°C (90°F) and January dropping to 4°C (39°F).

The city has a wet climate, receiving around 1104 mm (43 in) of rain/snowfall per year. May is the wettest month. Sunshine peaks in July, when the city sees around 11.0 hours of sunshine per day.

Olathe Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Olathe — and find the best time to visit.

Monthly Temperature in Olathe

Visitors to Olathe can expect significant temperature changes throughout the year. On average, daytime temperatures range from a very warm 32°C (90°F) in July to a chilly 4°C (39°F) in January.

Nighttime temperatures range from 21°C (70°F) in July to -7°C (19°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Olathe

Olathe is known for its substantial rain/snowfall, with annual precipitation reaching 1104 mm (43 in). The seasons in Olathe bring significant changes in precipitation. The wettest month, May, receives high rainfall, with an average of 154 mm (6.1 in) of precipitation. This rainfall is distributed across 14 rainy days.

In contrast, the driest month, January, experiences much less snow/rainfall, totaling 22 mm (0.9 in) over 5 snowy/rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Olathe Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Sunshine Hours in Olathe

In Olathe, summer days are longer and more sunny, with daily sunshine hours peaking at 11.0 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 4.9 hours per average day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Kansas City, the United States of America (31 KM, 19 Miles).

Daily hours of sunshine

Data from: Kansas City, the United States of America (31 KM, 19 Miles).

Humidity in Olathe by Month

Best Time to Visit Olathe

During April, June, September and October, Olathe experiences its most favorable weather, with temperatures between 19°C (66°F) and 29°C (85°F). These mild conditions make it an excellent time for a visit.

The weather does bring rainfall during this period, between 94 mm (3.7 in) and 146 mm (5.7 in).

Need help choosing your next travel destination? We offer a specialized tool that matches you with locations based on your weather preferences. Explore destinations that suit your climate preferences.

Frequently asked questions about the climate in Olathe

What is the best time to visit Olathe?

October typically offers the most optimal weather in Olathe. In contrast, January, February and December tend to have less optimal conditions.

What temperatures can I expect in Olathe?

Daytime highs range from 4°C (39°F) in January to 32°C (90°F) in July. Nighttime lows range from -7°C (19°F) to 21°C (70°F). Temperatures vary considerably through the year.

How much rain does Olathe get?

Annual rainfall is around 1104 mm (43 in). May is the wettest month with 154 mm (6.1 in), while January is the driest with 22 mm (0.9 in).

How sunny is Olathe?

Olathe receives around 2,803 hours of sunshine per year. July is the sunniest month with 330 hours, while December is the cloudiest with just 147 hours. Overall, Olathe enjoys abundant sunshine.

Olathe 3-Day Forecast

Olathe (KS) 3-Day Forecast

Olathe on the map

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