Last updated: March 2, 2024
Under the Köppen–Geiger climate classification Eureka features a humid subtropical climate (Cfa). Temperatures typically range between 1 °C (34 °F) and 26 °C (80 °F) through the year, but rarely can drop to -27 °C (-16 °F) or can rise to as high as 40 °C (105 °F). The average annual precipitation amounts to about 1076 mm (42.4 inches) and receives 101 rainy days on the 1 mm (0.04 inches) threshold annually. Eureka enjoys an average of 3158 hours of sunshine throughout the year, and daylight varies from 9 hours 34 minutes to 14 hours 43 minutes per day.
The warmest months in Eureka are June, July and August, with daily mean temperatures ranging from 25 to 26 °C (77 - 80 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 1 to 4 °C (34 - 40 °F) throughout the day. On average each year, Eureka experiences 122 days above 25 °C (77.0 °F) and 81 days below 0 °C (32.0 °F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum | 20°C (68°F) |
26°C (78°F) |
32°C (90°F) |
31°C (87°F) |
35°C (95°F) |
37°C (100°F) |
40°C (105°F) |
37°C (99°F) |
35°C (94°F) |
33°C (92°F) |
25°C (77°F) |
24°C (75°F) |
| Mean maximum | 17°C (63°F) |
22°C (71°F) |
26°C (79°F) |
29°C (84°F) |
31°C (88°F) |
34°C (93°F) |
36°C (98°F) |
36°C (96°F) |
34°C (93°F) |
32°C (90°F) |
23°C (73°F) |
20°C (68°F) |
| Average high | 7°C (45°F) |
8°C (46°F) |
16°C (60°F) |
20°C (67°F) |
24°C (76°F) |
30°C (87°F) |
32°C (89°F) |
31°C (87°F) |
28°C (83°F) |
21°C (69°F) |
14°C (57°F) |
10°C (51°F) |
| Daily mean | 1°C (34°F) |
2°C (35°F) |
9°C (49°F) |
13°C (56°F) |
19°C (66°F) |
25°C (77°F) |
26°C (80°F) |
25°C (78°F) |
23°C (73°F) |
14°C (58°F) |
8°C (46°F) |
4°C (40°F) |
| Average low | -4°C (25°F) |
-4°C (26°F) |
4°C (39°F) |
7°C (45°F) |
14°C (57°F) |
19°C (67°F) |
21°C (71°F) |
20°C (68°F) |
17°C (63°F) |
9°C (48°F) |
2°C (36°F) |
-1°C (30°F) |
| Mean minimum | -14°C (6°F) |
-16°C (4°F) |
-8°C (18°F) |
-3°C (28°F) |
6°C (42°F) |
14°C (57°F) |
17°C (62°F) |
14°C (58°F) |
8°C (47°F) |
-2°C (29°F) |
-9°C (17°F) |
-11°C (13°F) |
| Minimum | -20°C (-4°F) |
-27°C (-16°F) |
-15°C (6°F) |
-6°C (21°F) |
4°C (39°F) |
10°C (50°F) |
15°C (59°F) |
13°C (55°F) |
5°C (41°F) |
-4°C (25°F) |
-14°C (8°F) |
-15°C (6°F) |
Compare temperature, precipitation, sunshine, UV index in Eureka, Kansas, United States with other places around the world.
Eureka usually has the most precipitation in May, June and October, with an average of 11 rainy days and 153 mm (6.0 inches) of precipitation per month. The driest months in Eureka are February, November and December. On average, 33 mm (1.3 inches) of precipitation falls during these months.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average precipitation mm (inches) | 50 (2.0) | 40 (1.6) | 84 (3.3) | 100 (3.9) | 203 (8.0) | 114 (4.5) | 93 (3.7) | 112 (4.4) | 77 (3.0) | 143 (5.6) | 28 (1.1) | 31 (1.2) |
| Average precipitation days (≥ 1 mm) | 5 | 6 | 9 | 10 | 15 | 9 | 10 | 11 | 7 | 11 | 5 | 3 |
The sunniest months in Eureka are June, July and August, when the sun shines an average of 11 hours 6 minutes a day. Least sunny months in Eureka: January, February and November receive an average of 6 hours 33 minutes of sunshine daily.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean monthly sunshine hours | 164 | 195 | 242 | 259 | 279 | 341 | 362 | 317 | 278 | 254 | 229 | 232 |
| Mean daily daylight hours | 9h 52m | 10h 48m | 11h 59m | 13h 12m | 14h 13m | 14h 43m | 14h 27m | 13h 32m | 12h 22m | 11h 9m | 10h 6m | 9h 34m |
Eureka 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 5. For more detailed information, check out our hourly Eureka UV Index data.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV Index (month maximum) | 3 | 6 | 7 | 9 | 10 | 11 | 11 | 10 | 9 | 7 | 5 | 3 |
Discover in-depth weather details for every month in Eureka. 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 Eureka'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.