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Climate in Clyde Park · NOAA 1991–2020 normals

Clyde Park gets about 82 inches of snow a winter, more than 95% of U.S. towns

The warmest part of a July day comes in at 83° on average. June is the wettest month here, with about 5.6 times the rain of February. Its yearly precipitation falls short of 94% of U.S. towns. Picnics, hikes and garden evenings come into their own from June to August, with highs of 72–83°.

More snow than 95% of U.S. towns#6Snowiest  of 40 in MT
Drier than 94% of U.S. towns#21 driest of 44 in MT
All MT rankings →

A year in Clyde Park at a glance

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

Jan36°14° 14" snow
Feb37°14° 11" snow
Mar46°22° 15" snow
Apr53°28° 14" snow
May63°36°
Jun72°43° Last frost ~Jun 4Wettest
Jul83°48° 3 days 90°+
Aug82°47° 6 days 90°+
Sep72°39° First frost ~Sep 61 day 90°+
Oct57°30° 3" snow
Nov now43°21° 9" snow
Dec34°14° 14" snow

What stands out about Clyde Park’s climate

Compared with towns across the U.S., with Clyde Park’s place in Montana beside it.

A normal year

What a year in Clyde Park feels like

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

Winter
36° / 14°
25 days with 1"+ of snow
Spring
54° / 28°
Last frost around Jun 4
Summer
79° / 46°
9 days reach 90°
Fall
57° / 30°
First frost around Sep 6
Best months to be outsideJunJulAugHighs of 62–84° and lows of 40° or more
Frost, heat & the growing season

About 92 frost-free days a year

In half of years the last 32° night comes by June 4 and the first by September 6. Frost and day counts come from NOAA’s station at Wilsall 1s, MT, 8 miles from the town’s center, 180 ft higher.

Short record. NOAA estimated Wilsall 1s, MT’s counts from 2 years of data and its neighbors’, not a full 30-year record.
220
nights at or below 32° in a normal year
4th most of 44 in Montana
More freezing nights than all but 37 U.S. towns
23
nights at or below 0°
16th most of 44 in Montana
More nights at or below 0° than 95% of U.S. towns
9
days that reach 90°
6th fewest of 44 in Montana
Fewer 90° days than 79% of U.S. towns
0
days that reach 100°
None in a normal year
4bUSDA zone
Plant hardiness zone 4b

The 2023 USDA map puts Clyde Park’s center in zone 4b: 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

5.7
JFMAMJJASOND
Rain & snow

About 82 inches of snow a winter

Snow, measured at Wilsall 8 Ene, MT, falls mostly in January, March, April and December. Precipitation (rain plus melted snow) adds up to 14 inches a year; June is the wettest month and February the driest. Rain or snow falls on about 85 days a year.

14"
Rain + melted snow a year
21st driest of 44 in Montana
Drier than 94% of U.S. towns
82"
Snow in a normal winter
6th snowiest of 40 in Montana
More snow than 95% of U.S. towns

Rain + melted snow by month

Inches of water

2.5"
JFMAMJJASOND

Snowfall by month

Inches of snow

15"
JFMAMJJASOND
Heating & cooling

Heating and cooling a home in Clyde Park

98% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from October through May.

8,697 heating degree daysMore heating than all but 174 U.S. towns
167 cooling degree daysLess cooling than 98% 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 Wilsall 1s, MT.

Living here

Living with Clyde Park’s climate

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

The garden window

92 frost-free days in zone 4b. The last frost comes by Jun 4 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Sep 6.

Get outside

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

Parks & trails →
Storms and extremes

Of the yearly building losses FEMA expects in Clyde Park from natural hazards, avalanches are the largest share (83%); heat waves, cold waves, winter storms and ice storms together are 2%. Normals are averages; the hazards page covers the extremes.

Natural hazards →
Next door & far away

Clyde Park and similar climates

TownRatings has no climate map of the towns around Clyde Park yet.

Climates most like Clyde Park’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
Clyde Park, MT14°83°14"82"
Rexburg, ID12°84°13"70"
Flagstaff, AZ16°84°18"90"
Laramie, WY12°81°12"64"
Durango, CO12°86°18"64"

Temperatures and precipitation come from NOAA’s 5 km grid; snow and day counts from the stations named on this page.

Then and now

Warmer than it used to be

The last 30 years in Clyde Park averaged 1.6° warmer than the 1900s. The biggest change is in January (+4.3°).

+1.6°1991–2020 vs. 1901–2000

A bigger shift than in 66% of U.S. towns.

Winter+2.1°now 25°, was 23°
Spring+1.7°now 41°, was 40°
Summer+1.3°now 63°, was 61°
Fall+1.2°now 44°, was 42°

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 Clyde Park compares

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

Summer heat83° July high
Cooler July afternoons than 73% of U.S. towns15th coolest of 44 in Montana
Winter cold14° January low
Colder January nights than 87% of U.S. towns21st coldest of 44 in Montana
Precipitation14" a year
Drier than 94% of U.S. towns21st driest of 44 in Montana
Snow82" a winter
More snow than 95% of U.S. towns6th snowiest of 40 in Montana
Hot days9 days at 90°+
Fewer 90° days than 79% of U.S. towns6th fewest of 44 in Montana
Freezing nights220 a year
More freezing nights than all but 37 U.S. towns4th most of 44 in Montana
Growing season92 frost-free days
A shorter frost-free season than all but 17 U.S. towns3rd shortest of 42 in Montana
Month by month

Clyde Park weather by month

Highs, lows and precipitation from NOAA’s grid at Clyde Park’s center; snow, wet days and snow on the ground from Wilsall 8 Ene, MT. 1991–2020 normals.

MonthHighLowRain + meltSnowWet days30-yr range
January36°14°0.5"14.1"518° – 30°
February37°14°0.4"10.6"513° – 35°
March46°22°0.8"14.7"724° – 41°
April53°28°1.4"13.5"934° – 46°
May63°36°2.2"1.6"1145° – 55°
June72°43°2.5"0.0"1152° – 64°
July83°48°1.5"0.0"755° – 72°
August82°47°1.1"0.1"658° – 68°
September72°39°1.2"0.6"651° – 60°
October57°30°1.1"3.4"635° – 49°
November43°21°0.6"9.1"623° – 42°
December34°14°0.5"14.0"616° – 30°
Year56°30°13.7"81.7"85
Year to year

How much a month can swing

A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 13° to 35°. September is the most reliable, staying within 9°.

Coldest to warmest month in 30 yearsNormal
Sources

Where Clyde Park’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 Clyde Park’s center.
  • Snow: Wilsall 8 Ene, MT.
  • Frost, freezing nights, 90° and 100° days, heating and cooling: Wilsall 1s, MT, 8 miles from the town’s center, 180 ft higher; 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 Clyde Park’s climate

What is the weather like in Clyde Park?

A typical July afternoon reaches 83°, a January night drops to 14°, and about 82 inches of snow falls in a normal winter. Colder January nights than 87% of U.S. towns; cooler July afternoons than 73% of U.S. towns.

How cold does it get in Clyde Park in winter?

December nights average 14°. About 220 nights a year reach 32° or below and 23 reach 0° or below. In the coldest December of the last 30 years the month averaged 16°.

How much snow does Clyde Park get?

About 82 inches in a normal winter at Wilsall 8 Ene, MT, most of it in January, March, April and December.

How hot does it get in Clyde Park?

July, with a typical high of 83° and a low of 48°. About 9 days a year reach 90° (Wilsall 1s, MT).

When is the first and last frost in Clyde Park?

In half of years the last spring frost (32°) comes by June 4 and the first fall frost by September 6, about 92 frost-free days, at Wilsall 1s, MT.

What growing zone is Clyde Park in?

Zone 4b 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 Clyde Park?

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

Is Clyde Park getting warmer?

Yes: 1991–2020 averaged 1.6° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 66% of U.S. towns.

Neighbors talk weather

Gardens, snow, and the best days of the year in Clyde Park.

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.