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Climate in Cohoe · NOAA 1991–2020 normals

Cohoe’s winters are colder than most of the U.S.; July afternoons average 66°

A typical July afternoon reaches 66°, a January night drops to 5°.

Colder January nights than 98% of U.S. towns#14 coldest of 42 in AK
Cooler July afternoons than all but 24 U.S. towns#17Coolest summers  of 42 in AK
All AK rankings →

A year in Cohoe at a glance

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

Jan21°5°
Feb28°9°
Mar35°12°
Apr46°24°
May56°32°
Jun62°40° Last frost ~Jun 11
Jul66°45°
Aug64°43°
Sep55°37° First frost ~Sep 1Wettest
Oct42°26°
Nov now28°12°
Dec23°8°

What stands out about Cohoe’s climate

Compared with towns across the U.S., with Cohoe’s place in Alaska beside it.

A normal year

What a year in Cohoe feels like

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

Winter
24° / 7°
Snow is rare
Spring
46° / 23°
Last frost around Jun 11
Summer
64° / 43°
90° days are rare
Fall
42° / 25°
First frost around Sep 1
Best months to be outsideJunJulAugHighs of 62–84° and lows of 40° or more
Frost, heat & the growing season

About 75 frost-free days a year

In half of years the last 32° night comes by June 11 and the first by September 1. Frost and day counts come from NOAA’s station at Soldotna 5ssw, AK, 15 miles from the town’s center, 140 ft lower.

227
nights at or below 32° in a normal year
10th most of 41 in Alaska
More freezing nights than all but 28 U.S. towns
47
nights at or below 0°
15th most of 41 in Alaska
More nights at or below 0° than all but 35 U.S. towns
0
days that reach 90°
None in a normal year
0
days that reach 100°
None in a normal year
4bUSDA zone
Plant hardiness zone 4b

The 2023 USDA map puts Cohoe’s center in zone 4b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −23°. Plant labels use the zone; frost dates tell you when to plant.

Freezing nights by month

Average nights at or below 32°

31
JFMAMJJASOND
Rain & snow

About 22 inches of rain a year

September is the wettest month and March the driest.

22"
Rain + melted snow a year
28th driest of 42 in Alaska
Drier than 89% of U.S. towns

Rain + melted snow by month

Inches of water

4.0"
JFMAMJJASOND
Heating & cooling

Heating and cooling a home in Cohoe

Nearly all of the work is heating: a normal year has almost no cooling days. Months averaging under 55°: every month but July.

11,238 heating degree daysMore heating than all but 14 U.S. towns
1 cooling degree daysLess cooling than all but 6 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 Soldotna 5ssw, AK.

Living here

Living with Cohoe’s climate

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

The garden window

75 frost-free days in zone 4b. The last frost comes by Jun 11 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 1.

Get outside

Months with highs of 62–84° and lows of 40° or more: June, July and August. 3.4 miles of trails are waiting.

Parks & trails →
Storms and extremes

Of the yearly building losses FEMA expects in Cohoe from natural hazards, earthquakes are the largest share (81%); heat waves, cold waves, winter storms and ice storms together are 1%. Normals are averages; the hazards page covers the extremes.

Natural hazards →
Next door

Cohoe and its neighbors

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

Kenai: January low 7°, July high 63°Ridgeway: January low 7°, July high 63°Soldotna: January low 5°, July high 66°Happy Valley: January low 18°, July high 61°Kasilof: January low 5°, July high 66°Kalifornsky: January low 5°, July high 66°Clam Gulch: January low 5°, July high 66°Ninilchik: January low 18°, July high 61°Cohoe: January low 5°, July high 66°CohoeKasilofKalifornskyClam GulchNinilchik
ColderMilder5° to 18°
Cohoe4.8°
Kasilof4.8° about the same
Kalifornsky4.8° about the same
Clam Gulch4.8° about the same
Ninilchik18.3° +13.5°

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.

Compared with other towns

How Cohoe compares

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

Summer heat66° July high
Cooler July afternoons than all but 24 U.S. towns17th coolest of 42 in Alaska
Winter cold5° January low
Colder January nights than 98% of U.S. towns14th coldest of 42 in Alaska
Precipitation22" a year
Drier than 89% of U.S. towns28th driest of 42 in Alaska
Hot days0 days at 90°+
None in a normal year
Freezing nights227 a year
More freezing nights than all but 28 U.S. towns10th most of 41 in Alaska
Growing season75 frost-free days
A shorter frost-free season than all but 2 U.S. townsThe shortest of 40 in Alaska
Month by month

Cohoe weather by month

Highs, lows and precipitation from the nearest NOAA station. 1991–2020 normals.

MonthHighLowRain + melt
January21°5°1.4"
February28°9°1.3"
March35°12°0.7"
April46°24°0.8"
May56°32°0.9"
June62°40°1.3"
July66°45°2.0"
August64°43°3.0"
September55°37°4.0"
October42°26°2.7"
November28°12°1.8"
December23°8°1.7"
Year44°24°21.6"
Sources

Where Cohoe’s numbers come from

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

  • Temperatures and precipitation: NOAA’s 1991–2020 normals at the nearest station (NOAA’s grid doesn’t cover Alaska).
  • Frost, freezing nights, 90° and 100° days, heating and cooling: Soldotna 5ssw, AK, 15 miles from the town’s center, 140 ft lower; 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.
  • Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).

Common questions about Cohoe’s climate

What is the weather like in Cohoe?

A typical July afternoon reaches 66°, a January night drops to 5°. Colder January nights than 98% of U.S. towns; cooler July afternoons than all but 24 U.S. towns.

How cold does it get in Cohoe in winter?

January nights average 5°. About 227 nights a year reach 32° or below and 47 reach 0° or below.

How hot does it get in Cohoe?

July, with a typical high of 66°. 90° days are rare: none in a normal year at Soldotna 5ssw, AK.

When is the first and last frost in Cohoe?

In half of years the last spring frost (32°) comes by June 11 and the first fall frost by September 1, about 75 frost-free days, at Soldotna 5ssw, AK.

What growing zone is Cohoe in?

Zone 4b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −23°.

What is the best time of year to visit Cohoe?

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.

Neighbors talk weather

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

Town Square →
Ask your neighbors

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