Solon Springs, Wisconsin climate: Normal weather by month, frost dates and records

Solon Springs's normal year runs from 4°F January nights to 81°F July afternoons. (NOAA 1991-2020 normals)

In metric: a yearly mean of 5.8°C, January lows of −16°C, July highs of 27°C.

  • NOAA stationSolon Springs
  • Station IDUSC00477892
  • Location46.36°N 91.83°W
  • Elevation1,130 ft (344 m)
  • Population679

On October 23, the normal high in Solon Springs is 52°F and the normal low 33°F.

Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Solon Springs.

  1. Jan 21° 4°
  2. Feb 27° 6°
  3. Mar 39° 18°
  4. Apr 53° 31°
  5. May 67° 43°
  6. Jun 77° 52°
  7. Jul 81° 58°
  8. Aug 80° 56°
  9. Sep 70° 47°
  10. Oct 56° 36°
  11. Nov 39° 24°
  12. Dec 26° 11°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

What is the weather like in Solon Springs each month?

July is the warmest month, with normal highs of 81°F; January the coldest, with normal lows of 4°F.

Solon Springs monthly normals, 1991-2020 (°F, inches)
MonthHighLowMeanWet days90°F daysFreezing nightsDaylight
January 21°F4°F12.4°F –<1319 h
February 27°F6°F16.5°F –<12710 h 20 min
March 39°F18°F28.5°F –<12911 h 50 min
April 53°F31°F41.6°F –<12213 h 30 min
May 67°F43°F55.0°F –1715 h
June 77°F52°F64.6°F –2<115 h 50 min
July 81°F58°F69.3°F –4<115 h 30 min
August 80°F56°F67.7°F –3<114 h 10 min
September 70°F47°F58.9°F –1412 h 40 min
October 56°F36°F45.7°F –<11711 h
November 39°F24°F31.3°F –<1279 h 30 min
December 26°F11°F18.6°F –<1318 h 40 min
Year (annual)53°F32°F42.5°F–10193
The same normals in °C and millimetres
Solon Springs monthly normals, 1991-2020 (°C, mm)
MonthHighLowMean
January−6°C−16°C−10.9°C
February−3°C−14°C−8.6°C
March4°C−8°C−1.9°C
April11°C−1°C5.3°C
May20°C6°C12.8°C
June25°C11°C18.1°C
July27°C14°C20.7°C
August27°C13°C19.8°C
September21°C8°C14.9°C
October13°C2°C7.6°C
November4°C−5°C−0.4°C
December−3°C−12°C−7.4°C
Normal daily high and low by month, Solon Springs

NOAA publishes no 1991-2020 snowfall normal for this station. The nearest record that keeps one, Gordon (8 miles away), gets 60 inches of snow in a normal year; elevation and distance can change that.

Source: NOAA NCEI 1991-2020 monthly normals, station USC00477892; annual normals. Wet days: 0.01 inch or more; 90°F days and freezing nights: NOAA's day counts. Daylight: sunrise to sunset on the 15th, computed from the latitude.

When is the best weather to visit Solon Springs?

Normal highs sit between 65°F and 85°F in May, June, July, August and September.

That is a measurement, not a recommendation: it counts the months whose normal afternoon high sits between 65°F and 85°F, where a light layer is enough by day.

Source: NOAA NCEI 1991-2020 monthly normals, station USC00477892.

When is the last frost in Solon Springs?

In Solon Springs, the last spring frost (32°F) comes after May 12 in half of years and after May 27 in one year in ten; the first autumn frost comes before October 2 in half of years and before September 17 in one year in ten.

Frost-free in half of yearsFrost in 1 to 9 years out of 10Frost most years

Last spring frost, half of years after
May 121 year in 10 after May 27; 9 in 10 after April 28
First autumn frost, half of years before
October 21 year in 10 before September 17; 9 in 10 before October 16

NOAA puts the median frost-free season at 142 days, and the season without a hard freeze (28°F) at 164 days.

A hard freeze (28°F) comes after April 30 in half of springs and before October 13 in half of autumns.

The USDA's 2023 Plant Hardiness Zone Map puts Solon Springs in zone 4a in ZIP code 54873, the nearest ZIP area. By the map's own method, the average of each year's coldest night over 1991-2020, Solon Springs's NOAA station is in zone 4a: the coldest night of a typical year reaches −28°F (17 complete years).

Frost dates for every NOAA station in Wisconsin · Frost dates by ZIP code

Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00477892; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026; the station zone: ACIS daily lows, 1991-2020. A 10% date means one year in ten has a frost after it in spring or before it in autumn.

How hot and how cold does it get in Solon Springs?

In a normal year in Solon Springs, 10 days a year reach 90°F and 193 nights fall to 32°F or colder.

Days at 90°F or more
10a normal year
Days at 100°F or more
fewer than 1a normal year
Nights at 32°F or colder
193a normal year
Days that stay below freezing
88high of 32°F or less

The highest temperature in this station's record (since 1906) is 108°F, on July 13, 1936; the lowest is −49°F, on January 24, 1922.

The wettest calendar year on that record is 1951, with 46.87 in; the snowiest season is 1949–50, with 103.9 inches.

Source: NOAA NCEI 1991-2020 annual normals, station USC00477892; records: ACIS (NOAA Regional Climate Centers), station USC00477892. Records use complete months only; a month missing more than three days is left out.

How sunny is Solon Springs?

Over a year 69% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Solon Springs, 3.6 kWh per square metre a day. July is the sunniest month (78%) and December the cloudiest (52%).

Solon Springs: sunshine by month (NASA POWER, 2001-2020)
MonthShare of clear-sky sunshineSunshine, kWh/m² a day
January59%1.3
February66%2.3
March68%3.5
April67%4.5
May68%5.3
June72%5.9
July78%6.2
August76%5.1
September72%3.8
October63%2.4
November58%1.4
December52%1.0

Source: NASA POWER solar climatology, 2001-2020 (CERES SYN1deg). Satellite-based, for the 1-degree cell (about 100 km across) around the station, so it describes the area rather than the airport.

How much heating and cooling does Solon Springs need?

A normal year in Solon Springs brings 8,596 heating degree days, 60% more than the median U.S. place (5,373), and 434 cooling degree days, 52% fewer than the median (908). Eight months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 2,183 growing degree days a year above 50°F.

Solon Springs: normal heating and cooling degree days by month (base 65°F)
MonthHeatingCooling
January1,6320
February1,3580
March1,1320
April7041
May33120
June9684
July30165
August40126
September22136
October6022
November1,0130
December1,4370
Year (annual)8,596434

Source: NOAA NCEI 1991-2020 monthly normals, station USC00477892. A degree day is one degree of a day's mean temperature below 65°F (heating) or above it (cooling); utilities use them to estimate energy use.

How does Solon Springs's climate compare?

Solon Springs is warmer than 33 of the other 164 places with their own NOAA record in Wisconsin. Across the 7,247 U.S. stations with normals, its annual mean of 42.5°F is warmer than 11%.

Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers.

Questions about Solon Springs's climate

What is the coldest month in Solon Springs?

January, with a normal high of 21°F and a normal low of 4°F. The warmest is July (81°F by day, 58°F at night).

Does it snow in Solon Springs?

Yes. NOAA publishes no 1991-2020 snowfall normal for Solon Springs's NOAA station; the nearest record that keeps one, Gordon (8 miles away), records 60 inches of snow in a normal year.

What plant hardiness zone is Solon Springs in?

The USDA's 2023 map puts Solon Springs in zone 4a in ZIP code 54873, the nearest ZIP area. By the same method at Solon Springs's NOAA station, the coldest night of a typical year reaches −28°F (17 years, 1991-2020): zone 4a.

How late can frost come in Solon Springs?

In half of years the last 32°F night comes after May 12; in one year in ten it comes after May 27. Waiting until May 27 leaves about a one-in-ten chance of a later frost.

Nearby and next

Download these normals (CSV) · JSON · How these figures are made