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Monthly climate in McCook, Nebraska, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification McCook features a humid continental climate (Dfa). Temperatures typically range between -2 °C (29 °F) and 26 °C (78 °F) through the year, but rarely can drop to -32 °C (-26 °F) or can rise to as high as 43 °C (109 °F). The average annual precipitation amounts to about 599 mm (23.6 inches) and receives 77 rainy days on the 1 mm (0.04 inches) threshold annually. McCook enjoys an average of 3310 hours of sunshine throughout the year, and daylight varies from 9 hours 20 minutes to 14 hours 58 minutes per day.

Monthly average temperatures in McCook, Nebraska, United States §

The warmest months in McCook are June, July and August, with daily mean temperatures ranging from 24 to 26 °C (75 - 78 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -2 to 1 °C (29 - 34 °F) throughout the day. On average each year, McCook experiences 112 days above 25 °C (77.0 °F) and 121 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in McCook, Nebraska, 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 18°C
(64°F)		 25°C
(78°F)		 30°C
(86°F)		 35°C
(95°F)		 35°C
(96°F)		 43°C
(109°F)		 39°C
(102°F)		 37°C
(99°F)		 37°C
(98°F)		 33°C
(92°F)		 29°C
(84°F)		 24°C
(75°F)
Mean maximum 16°C
(61°F)		 21°C
(70°F)		 26°C
(79°F)		 31°C
(87°F)		 33°C
(92°F)		 37°C
(99°F)		 37°C
(99°F)		 35°C
(96°F)		 35°C
(96°F)		 30°C
(87°F)		 25°C
(77°F)		 19°C
(67°F)
Average high 5°C
(42°F)		 5°C
(42°F)		 13°C
(56°F)		 18°C
(64°F)		 22°C
(72°F)		 31°C
(88°F)		 32°C
(90°F)		 30°C
(87°F)		 28°C
(82°F)		 18°C
(65°F)		 13°C
(56°F)		 8°C
(47°F)
Daily mean -1°C
(30°F)		 -2°C
(29°F)		 6°C
(42°F)		 10°C
(50°F)		 16°C
(61°F)		 24°C
(75°F)		 26°C
(78°F)		 24°C
(75°F)		 21°C
(69°F)		 11°C
(52°F)		 6°C
(42°F)		 1°C
(34°F)
Average low -6°C
(21°F)		 -8°C
(19°F)		 -1°C
(31°F)		 3°C
(37°F)		 10°C
(50°F)		 17°C
(63°F)		 19°C
(67°F)		 17°C
(64°F)		 14°C
(58°F)		 5°C
(40°F)		 -1°C
(31°F)		 -5°C
(24°F)
Mean minimum -17°C
(1°F)		 -18°C
(-1°F)		 -11°C
(12°F)		 -7°C
(20°F)		 2°C
(36°F)		 10°C
(50°F)		 14°C
(58°F)		 12°C
(54°F)		 5°C
(42°F)		 -6°C
(21°F)		 -9°C
(16°F)		 -13°C
(9°F)
Minimum -19°C
(-2°F)		 -32°C
(-26°F)		 -25°C
(-12°F)		 -10°C
(14°F)		 -1°C
(30°F)		 7°C
(45°F)		 12°C
(54°F)		 10°C
(49°F)		 3°C
(38°F)		 -10°C
(15°F)		 -14°C
(8°F)		 -17°C
(2°F)

Compare climate in McCook with other places

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

Monthly average precipitation in McCook, Nebraska, United States §

McCook usually has the most precipitation in March, May and July, with an average of 10 rainy days and 88 mm (3.5 inches) of precipitation per month. The driest months in McCook are January, February and November. On average, 17 mm (0.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in McCook, Nebraska, 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) 18 (0.7) 17 (0.7) 68 (2.7) 38 (1.5) 128 (5.0) 56 (2.2) 68 (2.7) 64 (2.5) 59 (2.3) 45 (1.8) 15 (0.6) 23 (0.9)
Average precipitation days (≥ 1 mm) 2 5 8 7 13 7 9 8 5 6 3 4

Monthly sunshine hours in McCook, Nebraska, United States §

The sunniest months in McCook are June, July and August, when the sun shines an average of 11 hours 37 minutes a day. Least sunny months in McCook: January, February and December receive an average of 6 hours 52 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in McCook, Nebraska, 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 180 217 251 284 297 359 371 339 289 248 243 227
Mean daily daylight hours 9h 40m 10h 41m 11h 58m 13h 18m 14h 25m 14h 58m 14h 40m 13h 40m 12h 24m 11h 4m 9h 55m 9h 20m

Solar UV radiation in McCook, Nebraska, United States §

McCook 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 McCook UV Index data.

Average daily maximum UV levels by month for McCook, Nebraska, 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) 3 5 7 9 10 11 11 10 9 6 4 3

Detailed Monthly Weather Insights for McCook, Nebraska, United States

Discover in-depth weather details for every month in McCook. 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 McCook'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.