Monthly climate in Olathe, Colorado, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Olathe features a humid continental climate (Dfb). Temperatures typically range between -4 °C (25 °F) and 23 °C (74 °F) through the year, but rarely can drop to -26 °C (-14 °F) or can rise to as high as 38 °C (100 °F). The average annual precipitation amounts to about 341 mm (13.4 inches) and receives 74 rainy days on the 1 mm (0.04 inches) threshold annually. Olathe enjoys an average of 3567 hours of sunshine throughout the year, and daylight varies from 9 hours 30 minutes to 14 hours 47 minutes per day.

Monthly average temperatures in Olathe, Colorado, United States §

The warmest months in Olathe are June, July and August, with daily mean temperatures ranging from 21 to 23 °C (70 - 74 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -4 to -2 °C (25 - 29 °F) throughout the day. On average each year, Olathe experiences 103 days above 25 °C (77.0 °F) and 149 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Olathe, Colorado, United States. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 12°C
(54°F)
17°C
(63°F)
23°C
(74°F)
27°C
(80°F)
31°C
(88°F)
37°C
(99°F)
38°C
(100°F)
35°C
(96°F)
35°C
(94°F)
27°C
(81°F)
20°C
(69°F)
15°C
(60°F)
Mean maximum 10°C
(50°F)
12°C
(55°F)
19°C
(67°F)
24°C
(75°F)
29°C
(84°F)
32°C
(91°F)
36°C
(97°F)
34°C
(94°F)
33°C
(92°F)
25°C
(78°F)
18°C
(65°F)
11°C
(52°F)
Average high 4°C
(39°F)
6°C
(43°F)
11°C
(52°F)
17°C
(62°F)
22°C
(72°F)
29°C
(85°F)
32°C
(90°F)
31°C
(88°F)
27°C
(80°F)
17°C
(63°F)
12°C
(54°F)
5°C
(41°F)
Daily mean -4°C
(25°F)
-2°C
(29°F)
3°C
(38°F)
9°C
(48°F)
14°C
(58°F)
21°C
(70°F)
23°C
(74°F)
22°C
(72°F)
18°C
(64°F)
9°C
(48°F)
3°C
(38°F)
-3°C
(26°F)
Average low -11°C
(12°F)
-8°C
(17°F)
-3°C
(27°F)
1°C
(34°F)
5°C
(42°F)
11°C
(52°F)
15°C
(59°F)
13°C
(56°F)
9°C
(49°F)
1°C
(34°F)
-3°C
(27°F)
-10°C
(14°F)
Mean minimum -23°C
(-10°F)
-19°C
(-2°F)
-13°C
(9°F)
-6°C
(22°F)
-1°C
(31°F)
4°C
(40°F)
9°C
(49°F)
9°C
(49°F)
1°C
(35°F)
-9°C
(16°F)
-12°C
(11°F)
-20°C
(-3°F)
Minimum -26°C
(-14°F)
-23°C
(-9°F)
-18°C
(0°F)
-7°C
(19°F)
-5°C
(22°F)
1°C
(34°F)
7°C
(45°F)
8°C
(47°F)
-1°C
(31°F)
-18°C
(-1°F)
-20°C
(-4°F)
-23°C
(-9°F)

Compare climate in Olathe with other places

Compare temperature, precipitation, sunshine, UV index in Olathe, Colorado, United States with other places around the world.

Monthly average precipitation in Olathe, Colorado, United States §

Olathe usually has the most precipitation in February, March and October, with an average of 9 rainy days and 45 mm (1.8 inches) of precipitation per month. The driest months in Olathe are June, August and September. On average, 15 mm (0.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Olathe, Colorado, United States. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 30 (1.2) 46 (1.8) 48 (1.9) 31 (1.2) 28 (1.1) 13 (0.5) 20 (0.8) 12 (0.5) 19 (0.7) 39 (1.5) 22 (0.9) 32 (1.3)
Average precipitation days (≥ 1 mm) 8 10 9 7 6 3 5 3 3 8 4 8

Monthly sunshine hours in Olathe, Colorado, United States §

The sunniest months in Olathe are May, June and July, when the sun shines an average of 12 hours 19 minutes a day. Least sunny months in Olathe: January, February and December receive an average of 6 hours 47 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Olathe, Colorado, United States. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 174 222 283 319 368 382 383 361 317 285 247 221
Mean daily daylight hours 9h 48m 10h 46m 11h 59m 13h 13m 14h 16m 14h 47m 14h 30m 13h 34m 12h 22m 11h 8m 10h 3m 9h 30m

Solar UV radiation in Olathe, Colorado, United States §

Olathe experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 11 - 12, which corresponds to the 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 5. For more detailed information, check out our hourly Olathe UV Index data.

Average daily maximum UV levels by month for Olathe, Colorado, United States. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 4 6 9 10 11 12 12 11 10 7 5 4

Detailed Monthly Weather Insights for Olathe, Colorado, United States

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.