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Monthly climate in Winona, Mississippi, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Winona features a humid subtropical climate (Cfa). Temperatures typically range between 8 °C (46 °F) and 28 °C (82 °F) through the year, but rarely can drop to -13 °C (8 °F) or can rise to as high as 38 °C (101 °F). The average annual precipitation amounts to about 1493 mm (58.8 inches) and receives 136 rainy days on the 1 mm (0.04 inches) threshold annually. Winona enjoys an average of 3084 hours of sunshine throughout the year, and daylight varies from 9 hours 57 minutes to 14 hours 19 minutes per day.

Monthly average temperatures in Winona, Mississippi, United States §

The warmest months in Winona are June, July and August, with daily mean temperatures ranging from 26 to 28 °C (79 - 82 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 8 to 10 °C (46 - 51 °F) throughout the day. On average each year, Winona experiences 157 days above 25 °C (77.0 °F) and 25 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Winona, Mississippi, 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 25°C
(78°F)		 27°C
(81°F)		 31°C
(87°F)		 31°C
(88°F)		 36°C
(96°F)		 36°C
(97°F)		 37°C
(99°F)		 37°C
(98°F)		 38°C
(101°F)		 37°C
(99°F)		 27°C
(81°F)		 26°C
(80°F)
Mean maximum 23°C
(74°F)		 25°C
(77°F)		 28°C
(83°F)		 29°C
(85°F)		 33°C
(92°F)		 34°C
(94°F)		 36°C
(97°F)		 36°C
(97°F)		 35°C
(95°F)		 32°C
(90°F)		 26°C
(79°F)		 24°C
(76°F)
Average high 13°C
(55°F)		 16°C
(61°F)		 20°C
(69°F)		 23°C
(74°F)		 28°C
(83°F)		 31°C
(88°F)		 33°C
(91°F)		 32°C
(90°F)		 31°C
(88°F)		 25°C
(78°F)		 18°C
(65°F)		 15°C
(60°F)
Daily mean 8°C
(46°F)		 10°C
(51°F)		 15°C
(59°F)		 17°C
(63°F)		 23°C
(73°F)		 26°C
(79°F)		 28°C
(82°F)		 27°C
(81°F)		 25°C
(78°F)		 19°C
(67°F)		 12°C
(53°F)		 10°C
(50°F)
Average low 3°C
(38°F)		 5°C
(42°F)		 9°C
(49°F)		 12°C
(53°F)		 18°C
(64°F)		 21°C
(71°F)		 23°C
(74°F)		 23°C
(73°F)		 20°C
(69°F)		 14°C
(58°F)		 6°C
(43°F)		 5°C
(42°F)
Mean minimum -7°C
(20°F)		 -5°C
(24°F)		 -1°C
(31°F)		 2°C
(36°F)		 10°C
(51°F)		 17°C
(63°F)		 20°C
(68°F)		 18°C
(65°F)		 14°C
(57°F)		 4°C
(40°F)		 -2°C
(29°F)		 -3°C
(27°F)
Minimum -13°C
(8°F)		 -12°C
(10°F)		 -4°C
(25°F)		 0°C
(33°F)		 6°C
(44°F)		 13°C
(56°F)		 18°C
(64°F)		 17°C
(62°F)		 10°C
(51°F)		 0°C
(33°F)		 -6°C
(21°F)		 -5°C
(24°F)

Compare climate in Winona with other places

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

Monthly average precipitation in Winona, Mississippi, United States §

Winona usually has the most precipitation in February, March and April, with an average of 12 rainy days and 165 mm (6.5 inches) of precipitation per month. The driest months in Winona are July, September and November. On average, 89 mm (3.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Winona, Mississippi, 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) 119 (4.7) 183 (7.2) 162 (6.4) 151 (5.9) 114 (4.5) 127 (5.0) 94 (3.7) 120 (4.7) 93 (3.7) 126 (5.0) 80 (3.1) 125 (4.9)
Average precipitation days (≥ 1 mm) 9 14 13 9 11 13 15 15 9 9 8 11

Monthly sunshine hours in Winona, Mississippi, United States §

The sunniest months in Winona are May, July and August, when the sun shines an average of 10 hours 23 minutes a day. Least sunny months in Winona: January, February and December receive an average of 5 hours 38 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Winona, Mississippi, 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 154 167 223 272 311 309 340 315 290 270 237 192
Mean daily daylight hours 10h 12m 10h 59m 11h 59m 13h 1m 13h 53m 14h 19m 14h 5m 13h 19m 12h 19m 11h 18m 10h 24m 9h 57m

Solar UV radiation in Winona, Mississippi, United States §

Winona experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 11 - 11, which corresponds to the Extreme category of sun exposure. January, November and December are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 6. For more detailed information, check out our hourly Winona UV Index data.

Average daily maximum UV levels by month for Winona, Mississippi, 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 7 8 10 11 11 11 11 9 8 6 4

Detailed Monthly Weather Insights for Winona, Mississippi, United States

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