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Monthly climate in Waterloo, Nebraska, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Waterloo features a humid continental climate (Dfa).Temperatures typically range between -4 °C (25 °F) and 26 °C (78 °F) through the year, but rarely can drop to -34 °C (-30 °F) or can rise to as high as 39 °C (103 °F).The average annual precipitation amounts to about 929 mm (36.6 inches) and receives 98 rainy days on the 1 mm (0.04 inches) threshold annually.Waterloo enjoys an average of 3106 hours of sunshine throughout the year, and daylight varies from 9 hours 14 minutes to 15 hours 4 minutes per day.

Monthly average temperatures in Waterloo, Nebraska, United States §

The warmest months in Waterloo 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 -4 to 0 °C (25 - 32 °F) throughout the day. On average each year, Waterloo experiences 105 days above 25 °C (77.0 °F) and 116 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Waterloo, 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 14°C
(57°F)		 23°C
(73°F)		 27°C
(81°F)		 32°C
(89°F)		 37°C
(99°F)		 39°C
(103°F)		 36°C
(98°F)		 35°C
(96°F)		 36°C
(98°F)		 32°C
(91°F)		 28°C
(82°F)		 21°C
(70°F)
Mean maximum 12°C
(54°F)		 16°C
(61°F)		 23°C
(74°F)		 29°C
(84°F)		 33°C
(91°F)		 35°C
(95°F)		 36°C
(97°F)		 34°C
(93°F)		 34°C
(94°F)		 31°C
(87°F)		 21°C
(70°F)		 16°C
(61°F)
Average high 1°C
(34°F)		 2°C
(36°F)		 11°C
(52°F)		 16°C
(62°F)		 22°C
(73°F)		 30°C
(86°F)		 31°C
(87°F)		 29°C
(84°F)		 27°C
(80°F)		 17°C
(63°F)		 10°C
(51°F)		 5°C
(41°F)
Daily mean -4°C
(25°F)		 -4°C
(26°F)		 5°C
(41°F)		 10°C
(51°F)		 17°C
(63°F)		 24°C
(76°F)		 26°C
(78°F)		 24°C
(75°F)		 21°C
(70°F)		 11°C
(53°F)		 5°C
(40°F)		 -0°C
(32°F)
Average low -8°C
(18°F)		 -9°C
(17°F)		 0°C
(32°F)		 4°C
(40°F)		 12°C
(54°F)		 19°C
(66°F)		 21°C
(69°F)		 19°C
(66°F)		 15°C
(60°F)		 6°C
(44°F)		 -1°C
(31°F)		 -5°C
(23°F)
Mean minimum -22°C
(-8°F)		 -22°C
(-7°F)		 -10°C
(14°F)		 -5°C
(23°F)		 4°C
(40°F)		 13°C
(55°F)		 14°C
(58°F)		 12°C
(53°F)		 7°C
(45°F)		 -3°C
(26°F)		 -10°C
(14°F)		 -16°C
(4°F)
Minimum -30°C
(-22°F)		 -34°C
(-30°F)		 -20°C
(-4°F)		 -9°C
(15°F)		 2°C
(36°F)		 10°C
(50°F)		 14°C
(57°F)		 11°C
(52°F)		 5°C
(41°F)		 -7°C
(20°F)		 -15°C
(5°F)		 -25°C
(-13°F)

Compare climate in Waterloo with other places

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

Monthly average precipitation in Waterloo, Nebraska, United States §

Waterloo usually has the most precipitation in May, June and October, with an average of 11 rainy days and 129 mm (5.1 inches) of precipitation per month.The driest months in Waterloo are January, February and November. On average, 31 mm (1.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Waterloo, 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) 32 (1.3) 30 (1.2) 97 (3.8) 54 (2.1) 146 (5.8) 126 (5.0) 74 (2.9) 100 (4.0) 83 (3.3) 115 (4.5) 31 (1.2) 40 (1.6)
Average precipitation days (≥ 1 mm) 5 6 9 9 15 10 9 9 9 9 4 4

Monthly sunshine hours in Waterloo, Nebraska, United States §

The sunniest months in Waterloo are June, July and August, when the sun shines an average of 11 hours 23 minutes a day.Least sunny months in Waterloo: January, February and November receive an average of 6 hours 24 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Waterloo, 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 153 207 216 260 266 351 372 323 279 239 215 219
Mean daily daylight hours 9h 34m 10h 38m 11h 58m 13h 20m 14h 30m 15h 4m 14h 45m 13h 43m 12h 24m 11h 2m 9h 51m 9h 14m

Solar UV radiation in Waterloo, Nebraska, United States §

Waterloo experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 10 - 10, which corresponds to the Very High category of sun exposure.January, November and December are in the Low / 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 Waterloo UV Index data.

Average daily maximum UV levels by month for Waterloo, 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 6 8 10 10 10 9 8 6 4 2