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Climate in Coates · NOAA 1991–2020 normals

Coates’ winters are colder and snowier than most of the U.S.

A typical July afternoon reaches 82°, a January night drops to 7°, and about 41 inches of snow falls in a normal winter.

Colder January nights than 96% of U.S. towns#252 coldest of 271 in MN
More snow than 75% of U.S. towns#193Snowiest  of 268 in MN
All MN rankings →

A year in Coates at a glance

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

Jan23°7° 11" snow
Feb28°11° 6" snow
Mar41°23° 8" snow
Apr56°36°
May68°48° Last frost ~May 21 day 90°+
Jun78°58° 2 days 90°+Wettest
Jul82°63° 3 days 90°+
Aug80°60° 1 day 90°+
Sep72°52° 1 day 90°+
Oct58°39° First frost ~Oct 5
Nov now42°26° 7" snow
Dec28°14° 7" snow

What stands out about Coates’ climate

Compared with towns across the U.S., with Coates’ place in Minnesota beside it.

A normal year

What a year in Coates feels like

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

Winter
26° / 11°
13 days with 1"+ of snow
Spring
55° / 36°
Last frost around May 2
Summer
80° / 60°
8 days reach 90°
Fall
57° / 39°
First frost around Oct 5
Best months to be outsideMayJunJulAugSepHighs of 62–84° and lows of 40° or more
Frost, heat & the growing season

About 155 frost-free days a year

In half of years the last 32° night comes by May 2 and the first by October 5. Frost and day counts come from NOAA’s station at Rosemount Rsch & Outreach Ctr, MN, 3 miles from the town’s center, at about the same height.

159
nights at or below 32° in a normal year
180th most of 271 in Minnesota
More freezing nights than 91% of U.S. towns
30
nights at or below 0°
143rd most of 271 in Minnesota
More nights at or below 0° than 98% of U.S. towns
8
days that reach 90°
121st fewest of 271 in Minnesota
Fewer 90° days than 82% of U.S. towns
<1
days that reach 100°
Fewer 100° days than 68% of U.S. towns
5aUSDA zone
Plant hardiness zone 5a

The 2023 USDA map puts Coates’ center in zone 5a: the coldest night of a typical winter, averaged over 1991–2020, reaches about −20°. Plant labels use the zone; frost dates tell you when to plant.

Freezing nights by month

Average nights at or below 32°

31
JFMAMJJASOND

90° days by month

Average days at 90° or more

3.3
JFMAMJJASOND
Rain & snow

About 41 inches of snow a winter

Snow, measured at Farmington 3 Nw, MN, falls mostly in January. Precipitation (rain plus melted snow) adds up to 33 inches a year; June is the wettest month and February the driest. Rain or snow falls on about 94 days a year.

33"
Rain + melted snow a year
220th driest of 271 in Minnesota
Drier than 82% of U.S. towns
41"
Snow in a normal winter
193rd snowiest of 268 in Minnesota
More snow than 75% of U.S. towns

Rain + melted snow by month

Inches of water

4.9"
JFMAMJJASOND

Snowfall by month

Inches of snow

11"
JFMAMJJASOND
Heating & cooling

Heating and cooling a home in Coates

94% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from October through April.

8,121 heating degree daysMore heating than 97% of U.S. towns
551 cooling degree daysLess cooling than 81% 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 Rosemount Rsch & Outreach Ctr, MN.

Living here

Living with Coates’ climate

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

The garden window

155 frost-free days in zone 5a. The last frost comes by May 2 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 5.

Get outside

Months with highs of 62–84° and lows of 40° or more: May, June, July, August and September. 0.0 miles of trails are waiting.

Parks & trails →
Storms and extremes

Of the yearly building losses FEMA expects in Coates from natural hazards, river flooding is the largest share (51%); heat waves, cold waves, winter storms and ice storms together are 8%. Normals are averages; the hazards page covers the extremes.

Natural hazards →
Next door

Coates and its neighbors

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

Apple Valley: January low 7°, July high 82°Nininger Township: January low 7°, July high 82°Cottage Grove: January low 7°, July high 82°Inver Grove Heights: January low 7°, July high 82°Hampton Township: January low 7°, July high 82°Marshan Township: January low 7°, July high 82°Farmington: January low 7°, July high 82°Castle Rock Township: January low 7°, July high 82°Lakeville: January low 7°, July high 82°Rosemount: January low 7°, July high 82°Vermillion Township: January low 7°, July high 82°Empire: January low 7°, July high 82°Coates: January low 7°, July high 82°CoatesRosemountVermillion TownshipEmpire
ColderMilder7° to 7°
Vermillion Township6.7° about the same
Empire6.9° about the same
Coates7.0°
Rosemount7.1° about the same

Climates most like Coates’, 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
Coates, MN7°82°33"41"
Saratoga, WI7°82°34"48"
Fort Dodge, IA9°83°34"39"
Plattsburgh, NY9°81°35"50"
Harrisburg, SD8°84°29"49"

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 Coates averaged 1.4° warmer than the 1900s. The biggest change is in December (+3.4°).

+1.4°1991–2020 vs. 1901–2000

A bigger shift than in 51% of U.S. towns.

Winter+3.1°now 18°, was 15°
Spring+1.0°now 45°, was 44°
Summer+0.3°now 70°, was 70°
Fall+1.0°now 48°, was 47°

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 Coates compares

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

Summer heat82° July high
Cooler July afternoons than 80% of U.S. towns172nd coolest of 271 in Minnesota
Winter cold7° January low
Colder January nights than 96% of U.S. towns252nd coldest of 271 in Minnesota
Precipitation33" a year
Drier than 82% of U.S. towns220th driest of 271 in Minnesota
Snow41" a winter
More snow than 75% of U.S. towns193rd snowiest of 268 in Minnesota
Hot days8 days at 90°+
Fewer 90° days than 82% of U.S. towns121st fewest of 271 in Minnesota
Freezing nights159 a year
More freezing nights than 91% of U.S. towns180th most of 271 in Minnesota
Growing season155 frost-free days
A shorter frost-free season than 89% of U.S. towns124th shortest of 270 in Minnesota
Month by month

Coates weather by month

Highs, lows and precipitation from NOAA’s grid at Coates’ center; snow, wet days and snow on the ground from Farmington 3 Nw, MN. 1991–2020 normals.

MonthHighLowRain + meltSnowWet days30-yr range
January23°7°0.8"10.5"63° – 27°
February28°11°0.8"6.4"57° – 31°
March41°23°1.7"8.0"623° – 48°
April56°36°3.0"1.8"835° – 53°
May68°48°4.1"0.0"1153° – 66°
June78°58°4.9"0.0"1164° – 72°
July82°63°4.2"0.0"1065° – 78°
August80°60°4.5"0.0"965° – 74°
September72°52°3.4"0.0"854° – 67°
October58°39°2.7"0.3"742° – 54°
November42°26°1.6"7.0"623° – 46°
December28°14°1.2"7.0"67° – 30°
Year55°36°32.8"41.0"94
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 23° to 48°. June is the most reliable, staying within 8°.

Coldest to warmest month in 30 yearsNormal
Sources

Where Coates’ 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 Coates’ center.
  • Snow: Farmington 3 Nw, MN.
  • Frost, freezing nights, 90° and 100° days, heating and cooling: Rosemount Rsch & Outreach Ctr, MN, 3 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 Coates’ climate

What is the weather like in Coates?

A typical July afternoon reaches 82°, a January night drops to 7°, and about 41 inches of snow falls in a normal winter. Colder January nights than 96% of U.S. towns; cooler July afternoons than 80% of U.S. towns.

How cold does it get in Coates in winter?

January nights average 7°. About 159 nights a year reach 32° or below and 30 reach 0° or below. In the coldest January of the last 30 years the month averaged 3°.

How much snow does Coates get?

About 41 inches in a normal winter at Farmington 3 Nw, MN, most of it in January.

How hot does it get in Coates?

July, with a typical high of 82° and a low of 63°. About 8 days a year reach 90° (Rosemount Rsch & Outreach Ctr, MN).

When is the first and last frost in Coates?

In half of years the last spring frost (32°) comes by May 2 and the first fall frost by October 5, about 155 frost-free days, at Rosemount Rsch & Outreach Ctr, MN.

What growing zone is Coates in?

Zone 5a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −20°.

What is the best time of year to visit Coates?

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

Is Coates getting warmer?

Yes: 1991–2020 averaged 1.4° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 51% of U.S. towns.

Neighbors talk weather

Gardens, snow, and the best days of the year in Coates.

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.