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Monthly climate in Buffalo, Iowa, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Buffalo features a humid continental climate (Dfa).Temperatures typically range between -5 °C (24 °F) and 25 °C (77 °F) through the year, but rarely can drop to -33 °C (-27 °F) or can rise to as high as 36 °C (98 °F).The average annual precipitation amounts to about 1055 mm (41.5 inches) and receives 108 rainy days on the 1 mm (0.04 inches) threshold annually.Buffalo enjoys an average of 3006 hours of sunshine throughout the year, and daylight varies from 9 hours 12 minutes to 15 hours 6 minutes per day.

Monthly average temperatures in Buffalo, Iowa, United States §

The warmest months in Buffalo are June, July and August, with daily mean temperatures ranging from 23 to 25 °C (74 - 77 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -5 to 0 °C (24 - 32 °F) throughout the day. On average each year, Buffalo experiences 95 days above 25 °C (77.0 °F) and 111 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Buffalo, Iowa, 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)		 21°C
(69°F)		 23°C
(74°F)		 28°C
(84°F)		 35°C
(95°F)		 34°C
(94°F)		 36°C
(98°F)		 35°C
(95°F)		 34°C
(93°F)		 31°C
(88°F)		 23°C
(74°F)		 21°C
(71°F)
Mean maximum 9°C
(49°F)		 14°C
(58°F)		 19°C
(67°F)		 26°C
(80°F)		 31°C
(89°F)		 33°C
(91°F)		 34°C
(93°F)		 33°C
(92°F)		 32°C
(90°F)		 30°C
(86°F)		 18°C
(64°F)		 16°C
(61°F)
Average high -1°C
(31°F)		 1°C
(35°F)		 9°C
(49°F)		 15°C
(59°F)		 22°C
(71°F)		 28°C
(82°F)		 29°C
(85°F)		 28°C
(83°F)		 26°C
(79°F)		 17°C
(63°F)		 8°C
(47°F)		 4°C
(40°F)
Daily mean -5°C
(24°F)		 -3°C
(26°F)		 4°C
(40°F)		 10°C
(50°F)		 17°C
(63°F)		 23°C
(74°F)		 25°C
(77°F)		 23°C
(74°F)		 20°C
(69°F)		 12°C
(54°F)		 4°C
(39°F)		 0°C
(32°F)
Average low -9°C
(17°F)		 -8°C
(18°F)		 -0°C
(32°F)		 4°C
(40°F)		 12°C
(54°F)		 18°C
(65°F)		 20°C
(69°F)		 18°C
(64°F)		 15°C
(59°F)		 8°C
(46°F)		 -1°C
(31°F)		 -4°C
(25°F)
Mean minimum -23°C
(-9°F)		 -21°C
(-5°F)		 -12°C
(11°F)		 -4°C
(25°F)		 4°C
(40°F)		 13°C
(56°F)		 15°C
(60°F)		 13°C
(55°F)		 7°C
(46°F)		 -2°C
(29°F)		 -10°C
(14°F)		 -14°C
(6°F)
Minimum -31°C
(-24°F)		 -33°C
(-27°F)		 -20°C
(-4°F)		 -9°C
(15°F)		 2°C
(36°F)		 10°C
(50°F)		 14°C
(58°F)		 12°C
(53°F)		 4°C
(40°F)		 -5°C
(24°F)		 -15°C
(5°F)		 -22°C
(-7°F)

Compare climate in Buffalo with other places

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

Monthly average precipitation in Buffalo, Iowa, United States §

Buffalo usually has the most precipitation in May, June and October, with an average of 12 rainy days and 132 mm (5.2 inches) of precipitation per month.The driest months in Buffalo are January, November and December. On average, 51 mm (2.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Buffalo, Iowa, 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) 53 (2.1) 60 (2.4) 89 (3.5) 101 (4.0) 146 (5.7) 130 (5.1) 75 (2.9) 75 (3.0) 107 (4.2) 121 (4.8) 51 (2.0) 48 (1.9)
Average precipitation days (≥ 1 mm) 7 8 9 11 15 10 9 7 9 12 6 5

Monthly sunshine hours in Buffalo, Iowa, United States §

The sunniest months in Buffalo are June, July and August, when the sun shines an average of 11 hours 14 minutes a day.Least sunny months in Buffalo: January, February and December receive an average of 5 hours 44 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Buffalo, Iowa, 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 132 189 229 244 271 334 363 336 278 223 202 200
Mean daily daylight hours 9h 33m 10h 37m 11h 58m 13h 21m 14h 31m 15h 6m 14h 47m 13h 44m 12h 25m 11h 2m 9h 49m 9h 12m

Solar UV radiation in Buffalo, Iowa, United States §

Buffalo experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 9 - 11, which corresponds to the Very High / Extreme 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 Buffalo UV Index data.

Average daily maximum UV levels by month for Buffalo, Iowa, 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 9 11 10 9 8 6 4 2