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Monthly climate in Eureka, Utah, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Eureka features a humid continental climate (Dfb).Temperatures typically range between -4 °C (25 °F) and 28 °C (82 °F) through the year, but rarely can drop to -23 °C (-10 °F) or can rise to as high as 40 °C (104 °F).The average annual precipitation amounts to about 405 mm (15.9 inches) and receives 71 rainy days on the 1 mm (0.04 inches) threshold annually.Eureka enjoys an average of 3440 hours of sunshine throughout the year, and daylight varies from 9 hours 22 minutes to 14 hours 56 minutes per day.

Monthly average temperatures in Eureka, Utah, United States §

The warmest months in Eureka are June, July and August, with daily mean temperatures ranging from 23 to 28 °C (74 - 82 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -4 to -1 °C (25 - 30 °F) throughout the day. On average each year, Eureka experiences 105 days above 25 °C (77.0 °F) and 120 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Eureka, Utah, 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 13°C
(56°F)		 16°C
(61°F)		 24°C
(76°F)		 28°C
(83°F)		 36°C
(96°F)		 39°C
(103°F)		 40°C
(104°F)		 40°C
(104°F)		 37°C
(99°F)		 28°C
(83°F)		 22°C
(71°F)		 15°C
(59°F)
Mean maximum 7°C
(45°F)		 12°C
(54°F)		 19°C
(67°F)		 26°C
(78°F)		 31°C
(88°F)		 34°C
(93°F)		 38°C
(101°F)		 38°C
(100°F)		 36°C
(96°F)		 26°C
(79°F)		 19°C
(66°F)		 10°C
(50°F)
Average high 1°C
(34°F)		 4°C
(40°F)		 10°C
(51°F)		 16°C
(61°F)		 22°C
(72°F)		 30°C
(87°F)		 34°C
(94°F)		 33°C
(92°F)		 28°C
(82°F)		 17°C
(63°F)		 11°C
(52°F)		 2°C
(36°F)
Daily mean -4°C
(25°F)		 -1°C
(30°F)		 4°C
(39°F)		 10°C
(50°F)		 15°C
(60°F)		 23°C
(74°F)		 28°C
(82°F)		 26°C
(79°F)		 21°C
(69°F)		 10°C
(51°F)		 5°C
(41°F)		 -3°C
(28°F)
Average low -9°C
(17°F)		 -7°C
(20°F)		 -2°C
(29°F)		 4°C
(39°F)		 9°C
(48°F)		 15°C
(60°F)		 20°C
(68°F)		 19°C
(66°F)		 13°C
(56°F)		 4°C
(40°F)		 -0°C
(32°F)		 -7°C
(19°F)
Mean minimum -18°C
(-1°F)		 -17°C
(1°F)		 -13°C
(9°F)		 -4°C
(25°F)		 2°C
(36°F)		 7°C
(45°F)		 14°C
(58°F)		 13°C
(57°F)		 5°C
(41°F)		 -5°C
(23°F)		 -8°C
(17°F)		 -16°C
(3°F)
Minimum -23°C
(-8°F)		 -23°C
(-10°F)		 -18°C
(0°F)		 -6°C
(21°F)		 -1°C
(30°F)		 4°C
(39°F)		 11°C
(51°F)		 10°C
(51°F)		 -1°C
(31°F)		 -12°C
(10°F)		 -12°C
(11°F)		 -18°C
(-0°F)

Compare climate in Eureka with other places

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

Monthly average precipitation in Eureka, Utah, United States §

Eureka usually has the most precipitation in February, March and April, with an average of 9 rainy days and 52 mm (2.0 inches) of precipitation per month.The driest months in Eureka are June, July and August. On average, 13 mm (0.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Eureka, Utah, 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) 44 (1.8) 48 (1.9) 60 (2.4) 47 (1.8) 42 (1.6) 10 (0.4) 9 (0.3) 20 (0.8) 21 (0.8) 35 (1.4) 27 (1.1) 42 (1.6)
Average precipitation days (≥ 1 mm) 8 9 10 9 8 2 2 2 2 6 5 8

Monthly sunshine hours in Eureka, Utah, United States §

The sunniest months in Eureka are May, June and July, when the sun shines an average of 12 hours 15 minutes a day.Least sunny months in Eureka: January, February and December receive an average of 6 hours 15 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Eureka, Utah, 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 157 210 262 303 362 382 382 360 313 273 228 202
Mean daily daylight hours 9h 41m 10h 41m 11h 58m 13h 17m 14h 24m 14h 56m 14h 38m 13h 39m 12h 23m 11h 5m 9h 56m 9h 22m

Solar UV radiation in Eureka, Utah, United States §

Eureka 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 Eureka UV Index data.

Average daily maximum UV levels by month for Eureka, Utah, 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 7 10 11 12 12 11 9 7 5 3