Monthly climate in Juneau, Wisconsin, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Juneau features a humid continental climate (Dfa).Temperatures typically range between -6 °C (21 °F) and 23 °C (74 °F) through the year, but rarely can drop to -33 °C (-27 °F) or can rise to as high as 34 °C (93 °F).The average annual precipitation amounts to about 984 mm (38.7 inches) and receives 118 rainy days on the 1 mm (0.04 inches) threshold annually.Juneau enjoys an average of 2907 hours of sunshine throughout the year, and daylight varies from 8 hours 59 minutes to 15 hours 20 minutes per day.

Monthly average temperatures in Juneau, Wisconsin, United States §

The warmest months in Juneau are June, July and August, with daily mean temperatures ranging from 21 to 23 °C (69 - 74 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -6 to -2 °C (21 - 29 °F) throughout the day. On average each year, Juneau experiences 69 days above 25 °C (77.0 °F) and 131 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Juneau, Wisconsin, 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 11°C
(51°F)
20°C
(68°F)
20°C
(68°F)
27°C
(80°F)
34°C
(93°F)
34°C
(93°F)
34°C
(93°F)
33°C
(91°F)
33°C
(91°F)
29°C
(85°F)
23°C
(74°F)
18°C
(65°F)
Mean maximum 7°C
(45°F)
11°C
(53°F)
17°C
(62°F)
24°C
(76°F)
31°C
(87°F)
32°C
(90°F)
33°C
(91°F)
31°C
(87°F)
30°C
(86°F)
28°C
(82°F)
17°C
(62°F)
13°C
(57°F)
Average high -3°C
(27°F)
-1°C
(30°F)
6°C
(43°F)
12°C
(54°F)
19°C
(67°F)
25°C
(78°F)
28°C
(82°F)
26°C
(79°F)
23°C
(74°F)
15°C
(59°F)
6°C
(43°F)
1°C
(35°F)
Daily mean -6°C
(21°F)
-6°C
(22°F)
1°C
(35°F)
7°C
(45°F)
15°C
(59°F)
21°C
(69°F)
23°C
(74°F)
21°C
(71°F)
18°C
(64°F)
10°C
(51°F)
2°C
(36°F)
-2°C
(29°F)
Average low -10°C
(14°F)
-11°C
(13°F)
-3°C
(26°F)
2°C
(36°F)
10°C
(50°F)
15°C
(60°F)
18°C
(65°F)
16°C
(62°F)
13°C
(55°F)
6°C
(43°F)
-2°C
(29°F)
-6°C
(22°F)
Mean minimum -25°C
(-12°F)
-24°C
(-12°F)
-16°C
(3°F)
-6°C
(22°F)
1°C
(34°F)
10°C
(51°F)
13°C
(55°F)
10°C
(51°F)
5°C
(42°F)
-3°C
(26°F)
-11°C
(13°F)
-16°C
(3°F)
Minimum -33°C
(-26°F)
-33°C
(-27°F)
-24°C
(-12°F)
-12°C
(11°F)
-2°C
(29°F)
6°C
(43°F)
12°C
(53°F)
7°C
(46°F)
1°C
(35°F)
-5°C
(24°F)
-15°C
(5°F)
-23°C
(-9°F)

Compare climate in Juneau with other places

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

Monthly average precipitation in Juneau, Wisconsin, United States §

Juneau usually has the most precipitation in May, June and October, with an average of 12 rainy days and 114 mm (4.5 inches) of precipitation per month.The driest months in Juneau are January, November and December. On average, 46 mm (1.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Juneau, Wisconsin, 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) 48 (1.9) 50 (2.0) 58 (2.3) 104 (4.1) 120 (4.7) 110 (4.3) 102 (4.0) 97 (3.8) 93 (3.6) 112 (4.4) 45 (1.8) 46 (1.8)
Average precipitation days (≥ 1 mm) 7 8 9 12 13 12 10 11 9 13 7 7

Monthly sunshine hours in Juneau, Wisconsin, United States §

The sunniest months in Juneau are June, July and August, when the sun shines an average of 11 hours 0 minutes a day.Least sunny months in Juneau: January, November and December receive an average of 5 hours 9 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Juneau, Wisconsin, 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 125 194 236 238 279 327 356 329 266 203 182 166
Mean daily daylight hours 9h 21m 10h 30m 11h 58m 13h 27m 14h 42m 15h 20m 14h 59m 13h 52m 12h 26m 10h 57m 9h 39m 8h 59m

Solar UV radiation in Juneau, Wisconsin, United States §

Juneau experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 9 - 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 3. For more detailed information, check out our hourly Juneau UV Index data.

Average daily maximum UV levels by month for Juneau, Wisconsin, 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 4 5 8 9 10 10 9 7 5 3 2