PlainClimate
NOAA 1991–2020 normals 48°F annual avg Public-domain federal data

MT Mary College, WI Climate

Pulled from NOAA NCEI 1991–2020 normals →: average temperature, precipitation, and comfort score

48°F
Avg annual temp
59/100
Comfort score
33.8"
Annual precip
175d
Growing season

30-year climate normals from 1 weather station (1991-2020).

The climate verdict for MT Mary College

MT Mary College, Wisconsin averages 48°F a year and scores 59/100 on the comfort index - moderate, milder than 39% of U.S. cities.

48°F
average temperature, NOAA 1991-2020 normal
59/100
comfort score, milder than 39% of U.S. cities
33.8"
annual precipitation · 40" snow
175 days
frost-free growing season

Based on NOAA U.S. Climate Normals (1991–2020) - 30-year averages describing the typical year, not a forecast.

Avg Temperature

48°F (9°C)

Avg High

57°F

Avg Low

39°F

Annual Precip

33.8"

Annual Snow

39.5"

Comfort Score

59/100

Moderate

Climate Comfort Score

59/100

Moderate

Avg Annual Temperature

48°F

30-year mean (NOAA NCEI)

Annual Precipitation

33.8"

Plus 39.5" of snow

Comfort score vs national 100-point ceiling (MT Mary College) 59.0%
National median (63)

PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Moderate for the MT Mary College area.

How MT Mary College compares to every U.S. city

MT Mary College's comfort score vs. all U.S. cities

PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals

59 Top 61% higher than 39% of 6,915 US cities

0–10: 0 US cities (0%). Below this entry. 10–20: 0 US cities (0%). Below this entry. 20–30: 58 US cities (1%). Below this entry. 30–40: 439 US cities (6%). Below this entry. 40–50: 1,302 US cities (19%). Below this entry. 50–60: 1,433 US cities (21%). This entry sits in this band. 60–70: 1,357 US cities (20%). Above this entry. 70–80: 1,102 US cities (16%). Above this entry. 80–90: 778 US cities (11%). Above this entry. 90–100: 420 US cities (6%). Above this entry. This city 0 100 every U.S. city, bucketed by value

Each bar is a band; taller bars hold more US cities. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source NOAA U.S. Climate Normals, PlainClimate comfort index · 1991–2020

Warming context for MT Mary College

Methodology

MT Mary College's NOAA 1991-2020 normal sits inside a longer story: U.S. land temperatures have been tracking (and drifting from) the global mean since 1900, and the chart below shows that spread, with the most recent decade running warmer than the 30-year mean.

Warming context, U.S. vs global, with Paris reference lines Anomaly chart from 1900 to 2024. Local series shows warming of 0.11 °C per decade versus a global rate of 0.11 °C per decade (ratio 1.00). Paris Agreement thresholds at 1.5 and 2.0 °C are dashed. -1.0°C -0.5°C +0.0°C +0.5°C +1.0°C +1.5°C +2.0°C +2.5°C Paris 1.5°C Paris 2.0°C 1900192019401960198020002020
  • United States land mean (NOAA NCEI) +0.11 °C/decade
  • Global anomaly (NASA GISTEMP) +0.11 °C/decade
  • Paris Agreement thresholds 1.5°C / 2.0°C
Sources: NOAA NCEI, NASA GISTEMP. Paris thresholds per IPCC AR6 WG1.

Monthly Temperatures

Average daily high and low temperatures by month

Month Avg High Avg Low Mean
January 30°F (-1°C) 14°F (-10°C) 22°F (-6°C)
February 34°F (1°C) 17°F (-8°C) 25°F (-4°C)
March 44°F (7°C) 26°F (-3°C) 35°F (2°C)
April 56°F (13°C) 36°F (2°C) 46°F (8°C)
May 68°F (20°C) 48°F (9°C) 58°F (14°C)
June 78°F (26°C) 58°F (14°C) 68°F (20°C)
July 83°F (28°C) 63°F (17°C) 73°F (23°C)
August 81°F (27°C) 62°F (17°C) 71°F (22°C)
September 74°F (23°C) 53°F (12°C) 64°F (18°C)
October 61°F (16°C) 42°F (5°C) 51°F (11°C)
November 47°F (8°C) 30°F (-1°C) 39°F (4°C)
December 35°F (2°C) 21°F (-6°C) 28°F (-2°C)

Monthly Precipitation

Average monthly rainfall and snowfall

January 1.5"

Snow: 11.0"

10.1 days with precipitation

February 1.5"

Snow: 9.9"

8.6 days with precipitation

March 1.8"

Snow: 5.3"

8.9 days with precipitation

April 3.7"

Snow: 1.5"

11.7 days with precipitation

May 3.7"

13.0 days with precipitation

June 4.8"

10.9 days with precipitation

July 3.6"

9.6 days with precipitation

August 3.7"

9.5 days with precipitation

September 3.0"

8.5 days with precipitation

October 2.7"

10.6 days with precipitation

November 2.0"

Snow: 2.0"

9.1 days with precipitation

December 1.7"

Snow: 9.8"

9.9 days with precipitation

Frost Dates & Growing Season

First Fall Freeze

October 18

50% probability date

Last Spring Freeze

April 26

50% probability date

Growing Season

175 days

Heating & Cooling Degree Days

Annual totals indicate energy demand for heating and cooling

Heating Degree Days

6,792

Higher = more heating needed

Cooling Degree Days

728

Higher = more cooling needed

Warmest Month

July

Coldest Month

January

What MT Mary College's climate means for you

MT Mary College runs 48°F a year - peaking in July, coldest in January.

  • Gardeners get about 175 frost-free days, with the last spring freeze near April 26 - plan the planting calendar around it, not the regional average.
  • Energy bills track 6,792 heating and 728 cooling degree days a year, higher means the furnace or AC runs more.
  • Comparing places to live? Line this city up against nearby cities and the national rankings. See rankings

These are 30-year NOAA normals (1991–2020) - the typical year, not a forecast for any specific season.

Climate Guides

Climate Insight: MT Mary College, WI

The NOAA 1991–2020 climate normals describe MT Mary College, Wisconsin as a location with an annual average temperature of 48°F, ranging from a mean daily high of 57°F to a mean daily low of 39°F. July is typically the warmest month of the year, while January is the coldest. These thirty-year averages, computed from station USC00475474, smooth out year-to-year variability and give a baseline expectation for typical conditions in any given month.

Precipitation patterns matter as much as temperature for anyone planning to live, garden, or travel here. MT Mary College receives roughly 33.8 inches of precipitation each year, with 39.5 inches typically falling as snow. The frost-free season averages 175 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near April 26 and the first fall freeze near October 18. For energy use, 6,792 heating degree days and 728 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, MT Mary College scores 59/100 (Moderate), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. The monthly tables above are the practical planning tool: mild highs and lows land in the shoulder seasons, July-driven heat peaks in summer, and January-driven cold sets in over deep winter. These are thirty-year averages, not a forecast - any single year can run warmer, wetter, drier, or cooler than the normal.

Frequently Asked Questions

What is the average temperature in MT Mary College, WI?
The average annual temperature in MT Mary College, Wisconsin is 48°F. The warmest month averages 83°F (28°C) and the coldest averages 14°F (-10°C).
How much rain does MT Mary College get?
MT Mary College receives 33.8 inches of precipitation annually, including 39.5 inches of snow. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for MT Mary College?
MT Mary College has a climate comfort score of 59/100 (Moderate), milder than 39% of U.S. cities in the PlainClimate database.
When is the growing season in MT Mary College?
MT Mary College has approximately 175 frost-free days per year, with the last spring freeze around April 26 and the first fall freeze around October 18.
How much energy does heating and cooling require in MT Mary College?
MT Mary College has 6,792 heating degree days and 728 cooling degree days annually, a heating-dominated climate. See our <a href="/guides/reading-weather-data/" class="underline hover:text-brand-600">guide to reading weather data</a> for what these figures mean.
Where does this MT Mary College climate data come from?
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00475474 near MT Mary College.

Data Sources

Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00475474. For informational purposes only.

Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainClimate Editorial

Every figure on PlainClimate is rendered directly from NOAA 1991-2020 U.S. Climate Normals data, no number is typed in by an editor. This page draws directly on NOAA 1991-2020 U.S. Climate Normals data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.