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Mason District Number 5 SchoolhouseMason District Number 5 Schoolhouse · Photo: Jsgoodrich · CC BY-SA 3.0
Climate in Mason Township · NOAA 1991–2020 normals

Mason Township has colder winter nights than 75% of U.S. towns

Peak summer warmth arrives in July, with afternoons near 83°. From frosty January to warm July, readings climb 66°. Summers stay cool: July afternoons here are cooler than in 71% of U.S. towns. From May to October, highs of 62–83° make it easy to spend the day outdoors.

Colder January nights than 75% of U.S. towns#451 coldest of 726 in MI
More snow than 71% of U.S. towns#563Snowiest  of 717 in MI
All MI rankings →

A year in Mason Township at a glance

Each month’s typical high and low, and what it brings.

Jan32°17° 12" snow
Feb35°19° 11" snow
Mar46°27° 4" snow
Apr59°37° Last frost ~Apr 26
May71°48°
Jun80°58° 3 days 90°+Wettest
Jul83°61° 5 days 90°+
Aug81°60° 2 days 90°+
Sep75°52° 1 day 90°+
Oct62°42° First frost ~Oct 21
Nov now48°32°
Dec37°23° 8" snow

What stands out about Mason Township’s climate

Compared with towns across the U.S., with Mason Township’s place in Michigan beside it.

A normal year

What a year in Mason Township feels like

Typical highs and lows by season and by month, from NOAA’s 30-year normals.

Winter
34° / 20°
14 days with 1"+ of snow
Spring
59° / 38°
Last frost around Apr 26
Summer
81° / 60°
12 days reach 90°
Fall
62° / 42°
First frost around Oct 21
Best months to be outsideMayJunJulAugSepOctHighs of 62–84° and lows of 40° or more
Frost, heat & the growing season

About 175 frost-free days a year

In half of years the last 32° night comes by April 26 and the first by October 21. Frost and day counts come from NOAA’s station at Goshen 3sw, IN, 16 miles from the town’s center, at about the same height.

125
nights at or below 32° in a normal year
657th most of 726 in Michigan
More freezing nights than 62% of U.S. towns
6
nights at or below 0°
469th most of 726 in Michigan
More nights at or below 0° than 73% of U.S. towns
12
days that reach 90°
513th fewest of 726 in Michigan
Fewer 90° days than 69% of U.S. towns
<1
days that reach 100°
539th fewest of 726 in Michigan
Fewer 100° days than 56% of U.S. towns
6aUSDA zone
Plant hardiness zone 6a

The 2023 USDA map puts Mason Township’s center in zone 6a: the coldest night of a typical winter, averaged over 1991–2020, reaches about −7°. Plant labels use the zone; frost dates tell you when to plant.

Freezing nights by month

Average nights at or below 32°

28
JFMAMJJASOND

90° days by month

Average days at 90° or more

4.5
JFMAMJJASOND
Rain & snow

About 37 inches of snow a winter

Snow, measured at Elkhart Pub Wks & Ut, IN, is heaviest from January through February, about 11 inches a month. Precipitation (rain plus melted snow) adds up to 39 inches a year; June is the wettest month and February the driest. Rain or snow falls on about 144 days a year.

39"
Rain + melted snow a year
711th driest of 726 in Michigan
Drier than 64% of U.S. towns
37"
Snow in a normal winter
563rd snowiest of 717 in Michigan
More snow than 71% of U.S. towns
40 days
With 1"+ of snow on the ground
579th most of 581 in Michigan
More days with snow on the ground than 66% of U.S. towns

Rain + melted snow by month

Inches of water

4.2"
JFMAMJJASOND

Snowfall by month

Inches of snow

12"
JFMAMJJASOND
Heating & cooling

Heating and cooling a home in Mason Township

89% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from October through April.

6,116 heating degree daysMore heating than 70% of U.S. towns
793 cooling degree daysLess cooling than 61% of U.S. towns

Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Goshen 3sw, IN.

Living here

Living with Mason Township’s climate

What the numbers mean for a garden, a free afternoon and a bad-weather day.

The garden window

175 frost-free days in zone 6a. The last frost comes by Apr 26 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Oct 21.

Get outside

Months with highs of 62–84° and lows of 40° or more: May, June, July, August, September and October.

Parks & trails →
Storms and extremes

Of the yearly building losses FEMA expects in Mason Township from natural hazards, river flooding is the largest share (47%); heat waves, cold waves, winter storms and ice storms together are 18%. Normals are averages; the hazards page covers the extremes.

Natural hazards →
Next door

Mason Township and its neighbors

Every town next door is within a degree of Mason Township in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.

Concord Township: January low 17°, July high 84°Cleveland Township: January low 17°, July high 83°Washington Township: January low 17°, July high 84°Jefferson Township: January low 17°, July high 83°Penn Township: January low 17°, July high 83°Mottville Township: January low 17°, July high 84°Constantine Township: January low 17°, July high 84°Newberg Township: January low 17°, July high 83°Milton Township: January low 17°, July high 83°Elkhart: January low 17°, July high 83°Osolo Township: January low 17°, July high 83°Calvin Township: January low 17°, July high 83°Porter Township: January low 17°, July high 83°Ontwa Township: January low 17°, July high 83°Simonton Lake: January low 17°, July high 83°Mason Township: January low 17°, July high 83°Mason TownshipOsolo TownshipCalvin TownshipPorter TownshipOntwa TownshipSimonton Lake
ColderMilder17° to 17°
Calvin Township16.8° about the same
Mason Township17.0°
Porter Township17.0° about the same
Ontwa Township17.0° about the same
Simonton Lake17.0° about the same
Osolo Township17.4° about the same

Climates most like Mason Township’s, farther away

TownRatings’ own comparison of NOAA 1991–2020 normals, not a NOAA product: places of 5,000+ at least 150 miles away, one per state, closest on January low, July high, precipitation and snow.

TownJan. lowJuly highPrecip.Snow
Mason Township, MI17°83°39"37"
Willard, OH18°83°39"33"
Sayre, PA17°84°37"35"
Elmira, NY16°83°36"42"
Kewanee, IL14°84°39"31"

Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value. Snow and frost-free days come from the nearest weather station, so neighbors often share them.

Then and now

Warmer than it used to be

The last 30 years in Mason Township averaged 1.4° warmer than the 1900s. The biggest change is in December (+2.8°).

+1.4°1991–2020 vs. 1901–2000

A bigger shift than in 53% of U.S. towns.

Winter+2.3°now 27°, was 25°
Spring+1.6°now 48°, was 47°
Summer+0.7°now 70°, was 70°
Fall+1.0°now 52°, was 51°

Change by month

JanFebMarAprMayJunJulAugSepOctNovDec

The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.

Compared with other towns

How Mason Township compares

Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Mason Township’s place among Michigan’s.

Summer heat83° July high
Cooler July afternoons than 71% of U.S. towns562nd coolest of 726 in Michigan
Winter cold17° January low
Colder January nights than 75% of U.S. towns451st coldest of 726 in Michigan
Precipitation39" a year
Drier than 64% of U.S. towns711th driest of 726 in Michigan
Snow37" a winter
More snow than 71% of U.S. towns563rd snowiest of 717 in Michigan
Hot days12 days at 90°+
Fewer 90° days than 69% of U.S. towns513th fewest of 726 in Michigan
Freezing nights125 a year
More freezing nights than 62% of U.S. towns657th most of 726 in Michigan
Growing season175 frost-free days
A shorter frost-free season than 64% of U.S. towns600th shortest of 726 in Michigan
Month by month

Mason Township weather by month

Highs, lows and precipitation from NOAA’s grid at Mason Township’s center; snow, wet days and snow on the ground from Elkhart Pub Wks & Ut, IN. 1991–2020 normals.

MonthHighLowRain + meltSnowWet daysSnow on ground30-yr range
January32°17°2.6"11.7"151515° – 35°
February35°19°2.2"11.2"121214° – 37°
March46°27°2.3"3.7"11428° – 52°
April59°37°3.6"0.4"13041° – 54°
May71°48°4.2"0.0"13052° – 66°
June80°58°4.2"0.0"12064° – 73°
July83°61°3.9"0.0"10067° – 78°
August81°60°4.0"0.0"11065° – 76°
September75°52°3.4"0.0"10058° – 68°
October62°42°3.5"0.0"13048° – 58°
November48°32°2.9"1.9"12133° – 47°
December37°23°2.5"8.0"14817° – 40°
Year59°40°39.1"36.9"14440
Year to year

How much a month can swing

A normal is an average. March swings the most: from 1991 to 2020 its average ranged from 28° to 52°. June is the most reliable, staying within 9°.

Coldest to warmest month in 30 yearsNormal
Sources

Where Mason Township’s numbers come from

Normals are 30-year averages, not a forecast. How TownRatings reads climate data →

  • Temperatures and precipitation: NOAA’s gridded 1991–2020 normals for the 5 km cell at Mason Township’s center.
  • Snow: Elkhart Pub Wks & Ut, IN.
  • Frost, freezing nights, 90° and 100° days, heating and cooling: Goshen 3sw, IN, 16 miles from the town’s center, at about the same height; the nearest station that passes our checks for distance, height and agreement with the grid.
  • Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
  • Then and now: NOAA’s gridded normals for 1901–2000 at the same cell.
  • Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).

Common questions about Mason Township’s climate

What is the weather like in Mason Township?

A typical July afternoon reaches 83°, a January night drops to 17°, and about 37 inches of snow falls in a normal winter. Colder January nights than 75% of U.S. towns; cooler July afternoons than 71% of U.S. towns.

How cold does it get in Mason Township in winter?

January nights average 17°. About 125 nights a year reach 32° or below and 6 reach 0° or below. In the coldest January of the last 30 years the month averaged 15°.

How much snow does Mason Township get?

About 37 inches in a normal winter at Elkhart Pub Wks & Ut, IN, heaviest from January through February, about 11 inches a month, with snow on the ground about 40 days a year.

How hot does it get in Mason Township?

July, with a typical high of 83° and a low of 61°. About 12 days a year reach 90° (Goshen 3sw, IN).

When is the first and last frost in Mason Township?

In half of years the last spring frost (32°) comes by April 26 and the first fall frost by October 21, about 175 frost-free days, at Goshen 3sw, IN.

What growing zone is Mason Township in?

Zone 6a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −7°.

What is the best time of year to visit Mason Township?

By one simple rule (highs of 62–84° and lows of 40° or more), May, June, July, August, September and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.

Is Mason Township getting warmer?

Yes: 1991–2020 averaged 1.4° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 53% of U.S. towns.

Neighbors talk weather

Gardens, snow, and the best days of the year in Mason Township.

Town Square →
Ask your neighbors

Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.