Last updated: March 2, 2024
Under the Köppen–Geiger climate classification Olathe features a humid subtropical climate (Cfa). Temperatures typically range between 0 °C (31 °F) and 27 °C (80 °F) through the year, but rarely can drop to -26 °C (-14 °F) or can rise to as high as 37 °C (99 °F). The average annual precipitation amounts to about 1095 mm (43.1 inches) and receives 107 rainy days on the 1 mm (0.04 inches) threshold annually. Olathe enjoys an average of 3093 hours of sunshine throughout the year, and daylight varies from 9 hours 27 minutes to 14 hours 51 minutes per day.
The warmest months in Olathe are June, July and August, with daily mean temperatures ranging from 25 to 27 °C (77 - 80 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 0 to 3 °C (31 - 38 °F) throughout the day. On average each year, Olathe experiences 112 days above 25 °C (77.0 °F) and 85 days below 0 °C (32.0 °F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum | 17°C (63°F) |
24°C (76°F) |
29°C (85°F) |
31°C (87°F) |
34°C (93°F) |
37°C (99°F) |
37°C (99°F) |
35°C (96°F) |
33°C (92°F) |
32°C (89°F) |
25°C (76°F) |
23°C (73°F) |
| Mean maximum | 15°C (60°F) |
20°C (68°F) |
25°C (76°F) |
28°C (83°F) |
31°C (89°F) |
34°C (93°F) |
36°C (97°F) |
34°C (94°F) |
33°C (91°F) |
31°C (87°F) |
21°C (70°F) |
19°C (66°F) |
| Average high | 4°C (40°F) |
6°C (43°F) |
13°C (57°F) |
18°C (65°F) |
24°C (75°F) |
30°C (86°F) |
31°C (88°F) |
30°C (85°F) |
27°C (81°F) |
19°C (67°F) |
12°C (54°F) |
9°C (48°F) |
| Daily mean | -0°C (31°F) |
0°C (33°F) |
8°C (47°F) |
12°C (54°F) |
19°C (66°F) |
25°C (77°F) |
27°C (80°F) |
25°C (77°F) |
22°C (72°F) |
14°C (57°F) |
7°C (44°F) |
3°C (38°F) |
| Average low | -5°C (24°F) |
-4°C (24°F) |
3°C (38°F) |
7°C (45°F) |
14°C (58°F) |
20°C (68°F) |
22°C (72°F) |
20°C (68°F) |
17°C (63°F) |
9°C (49°F) |
2°C (35°F) |
-2°C (30°F) |
| Mean minimum | -17°C (2°F) |
-17°C (2°F) |
-9°C (16°F) |
-3°C (27°F) |
6°C (43°F) |
14°C (58°F) |
17°C (64°F) |
14°C (58°F) |
8°C (47°F) |
-1°C (31°F) |
-9°C (16°F) |
-12°C (11°F) |
| Minimum | -23°C (-8°F) |
-26°C (-14°F) |
-20°C (-3°F) |
-7°C (19°F) |
3°C (38°F) |
11°C (52°F) |
16°C (61°F) |
12°C (54°F) |
5°C (42°F) |
-2°C (28°F) |
-14°C (8°F) |
-18°C (-0°F) |
Compare temperature, precipitation, sunshine, UV index in Olathe, Kansas, United States with other places around the world.
Olathe usually has the most precipitation in May, July and August, with an average of 12 rainy days and 149 mm (5.9 inches) of precipitation per month. The driest months in Olathe are February, November and December. On average, 38 mm (1.5 inches) of precipitation falls during these months.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average precipitation mm (inches) | 54 (2.1) | 36 (1.4) | 99 (3.9) | 91 (3.6) | 208 (8.2) | 94 (3.7) | 113 (4.4) | 126 (5.0) | 86 (3.4) | 110 (4.3) | 45 (1.8) | 34 (1.3) |
| Average precipitation days (≥ 1 mm) | 5 | 7 | 10 | 11 | 15 | 10 | 10 | 11 | 8 | 11 | 5 | 4 |
The sunniest months in Olathe are June, July and August, when the sun shines an average of 11 hours 9 minutes a day. Least sunny months in Olathe: January, February and November receive an average of 6 hours 16 minutes of sunshine daily.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean monthly sunshine hours | 150 | 198 | 218 | 259 | 277 | 335 | 364 | 326 | 282 | 248 | 214 | 216 |
| Mean daily daylight hours | 9h 46m | 10h 44m | 11h 58m | 13h 15m | 14h 19m | 14h 51m | 14h 33m | 13h 36m | 12h 23m | 11h 7m | 10h 1m | 9h 27m |
Olathe experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / Extreme category of sun exposure. January, November and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 4. For more detailed information, check out our hourly Olathe UV Index data.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV Index (month maximum) | 3 | 5 | 6 | 9 | 10 | 11 | 11 | 10 | 9 | 6 | 4 | 3 |
Discover in-depth weather details for every month in Olathe. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Olathe's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.
Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.