Jim Falls, Wisconsin climate: Normal weather by month, frost dates and records

Jim Falls's normal year runs from 7°F January nights to 81°F July afternoons, with 32.6 inches of precipitation a year. (NOAA 1991-2020 normals)

In metric: a yearly mean of 6.8°C, January lows of −14°C, July highs of 27°C, 827 mm of precipitation a year.

  • NOAA stationJim Falls (3 mi NW)
  • Station IDUSC00474027
  • Location45.08°N 91.33°W
  • Elevation1,070 ft (326 m)
  • Population (census place)247

On October 23, the normal high in Jim Falls is 54°F and the normal low 35°F, and the chance of measurable rain or snow is 34%.

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

  1. Jan 23° 7°
  2. Feb 28° 9°
  3. Mar 40° 21°
  4. Apr 54° 33°
  5. May 68° 45°
  6. Jun 77° 55°
  7. Jul 81° 59°
  8. Aug 79° 57°
  9. Sep 72° 49°
  10. Oct 58° 38°
  11. Nov 41° 26°
  12. Dec 29° 14°

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 Jim Falls each month?

July is the warmest month, with normal highs of 81°F; January the coldest, with normal lows of 7°F. The most precipitation falls in June (4.77 in), the least in January (0.88 in).

Jim Falls monthly normals, 1991-2020 (°F, inches)
MonthHighLowMeanPrecip.Wet days90°F daysFreezing nightsDaylight
January 23°F7°F15.2°F 0.88 8<1309 h 10 min
February 28°F9°F18.7°F 0.90 7<12710 h 20 min
March 40°F21°F30.8°F 1.75 8<12511 h 50 min
April 54°F33°F43.7°F 2.98 12<11513 h 30 min
May 68°F45°F56.3°F 4.04 13<1114 h 50 min
June 77°F55°F65.7°F 4.77 13<1<115 h 40 min
July 81°F59°F69.9°F 4.42 112<115 h 20 min
August 79°F57°F67.9°F 3.60 121<114 h 10 min
September 72°F49°F60.5°F 3.32 11<1<112 h 40 min
October 58°F38°F47.6°F 2.87 11<1911 h
November 41°F26°F33.6°F 1.79 8<1229 h 40 min
December 29°F14°F21.3°F 1.24 9<1298 h 50 min
Year (annual)54°F35°F44.3°F32.561224158
The same normals in °C and millimetres
Jim Falls monthly normals, 1991-2020 (°C, mm)
MonthHighLowMeanPrecip.
January−5°C−14°C−9.3°C22 mm
February−2°C−13°C−7.4°C23 mm
March5°C−6°C−0.7°C44 mm
April12°C1°C6.5°C76 mm
May20°C7°C13.5°C103 mm
June25°C13°C18.7°C121 mm
July27°C15°C21.1°C112 mm
August26°C14°C19.9°C91 mm
September22°C10°C15.8°C84 mm
October14°C3°C8.7°C73 mm
November5°C−3°C0.9°C45 mm
December−2°C−10°C−5.9°C31 mm
Normal daily high and low by month, Jim Falls
Normal precipitation by month, Jim Falls (inches)

NOAA publishes no 1991-2020 snowfall normal for this station. The nearest record that keeps one, Bloomer (8 miles away), gets 42 inches of snow in a normal year; elevation and distance can change that.

Source: NOAA NCEI 1991-2020 monthly normals, station USC00474027; 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 Jim Falls?

Normal highs sit between 65°F and 85°F in May, June, July, August and September. Of those, July has the fewest days with rain (11).

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 USC00474027.

When is the last frost in Jim Falls?

In Jim Falls, the last spring frost (32°F) comes after May 1 in half of years and after May 16 in one year in ten; the first autumn frost comes before October 8 in half of years and before September 22 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 11 year in 10 after May 16; 9 in 10 after April 17
First autumn frost, half of years before
October 81 year in 10 before September 22; 9 in 10 before October 22

NOAA puts the median frost-free season at 158 days, and the season without a hard freeze (28°F) at 181 days.

A hard freeze (28°F) comes after April 21 in half of springs and before October 20 in half of autumns.

The USDA's 2023 Plant Hardiness Zone Map puts Jim Falls in zone 4b in ZIP code 54748, the nearest ZIP area.

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

Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00474027; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026. 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 Jim Falls?

In a normal year in Jim Falls, 4 days a year reach 90°F, 158 nights fall to 32°F or colder and 122 days bring measurable precipitation.

Days at 90°F or more
4a normal year
Days at 100°F or more
fewer than 1a normal year
Nights at 32°F or colder
158a normal year
Days that stay below freezing
74high of 32°F or less
Days with 0.01 inch of precipitation
122a normal year

Source: NOAA NCEI 1991-2020 annual normals, station USC00474027.

How sunny is Jim Falls?

Over a year 72% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Jim Falls, 3.7 kWh per square metre a day. July is the sunniest month (78%) and December the cloudiest (57%).

Jim Falls: sunshine by month (NASA POWER, 2001-2020)
MonthShare of clear-sky sunshineSunshine, kWh/m² a day
January70%1.7
February76%2.8
March73%3.9
April68%4.6
May68%5.4
June73%6.0
July78%6.2
August76%5.2
September74%4.0
October66%2.5
November62%1.6
December57%1.1

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 Jim Falls need?

A normal year in Jim Falls brings 7,946 heating degree days, 48% more than the median U.S. place (5,373), and 432 cooling degree days, 52% fewer than the median (908). Seven months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 2,350 growing degree days a year above 50°F.

Jim Falls: normal heating and cooling degree days by month (base 65°F)
MonthHeatingCooling
January1,5450
February1,2960
March1,0610
April6381
May28716
June5980
July14166
August31122
September18045
October5413
November9420
December1,3530
Year (annual)7,946432

Source: NOAA NCEI 1991-2020 monthly normals, station USC00474027. 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.

Has Jim Falls been warmer than normal lately?

2025 averaged 44.8°F, 0.5°F above the 1991-2020 normal of 44.3°F. 4 of the 5 complete years since 2021 ran warmer than the normal.

Jim Falls: each recent year's mean against the 1991-2020 normal (44.3°F)
YearMeanAgainst normalPrecip.
202146.5°F+2.2°F32.62
202242.7°F−1.6°F34.93
202346.5°F+2.2°F30.66
202447.8°F+3.5°F34.33
202544.8°F+0.5°F32.31

Source: observed years: ACIS, station USC00474027. A year counts only with all twelve months complete.

How does Jim Falls's climate compare?

Jim Falls is warmer than 60 of the other 164 places with their own NOAA record in Wisconsin, and wetter than 33. Across the 7,247 U.S. stations with normals, its annual mean of 44.3°F is warmer than 17%.

In the Köppen classification computed from these normals, Jim Falls is Dfb: continental, no dry season, warm summer. What the classes mean.

Places with the most similar year elsewhere

Measured month by month on the normal high, low and precipitation, among places of 20,000 or more people in other states:

Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers. Similarity: the root-mean-square difference of the 36 monthly figures, precipitation weighted so an inch counts like 6°F.

Questions about Jim Falls's climate

What is the coldest month in Jim Falls?

January, with a normal high of 23°F and a normal low of 7°F. The warmest is July (81°F by day, 59°F at night).

Does it snow in Jim Falls?

Yes. NOAA publishes no 1991-2020 snowfall normal for Jim Falls's NOAA station; the nearest record that keeps one, Bloomer (8 miles away), records 42 inches of snow in a normal year.

What is the rainiest month in Jim Falls?

June, with 4.77 in of precipitation in a normal year; the driest is January with 0.88 in.

What plant hardiness zone is Jim Falls in?

The USDA's 2023 map puts Jim Falls in zone 4b in ZIP code 54748, the nearest ZIP area.

How late can frost come in Jim Falls?

In half of years the last 32°F night comes after May 1; in one year in ten it comes after May 16. Waiting until May 16 leaves about a one-in-ten chance of a later frost.

Nearby and next

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