Photo: Lesscrafted · CC BY-SA 2.0Trapper Creek has some of the coolest summers among U.S. towns
Deep winter brings January lows near 5°. Winter nights are cold: in January they are colder than in 98% of U.S. towns. Rain follows the seasons: August brings about 4.4 times as much as March. Tender plants can go out after about May 16; in half of years the first frost comes by September 16.
A year in Trapper Creek at a glance
Each month’s typical high and low, and what it brings.
What stands out about Trapper Creek’s climate
Compared with towns across the U.S., with Trapper Creek’s place in Alaska beside it.
What a year in Trapper Creek feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 122 frost-free days a year
In half of years the last 32° night comes by May 16 and the first by September 16. Frost and day counts come from NOAA’s station at Talkeetna Airport, 12 miles from the town’s center, 300 ft lower.
The 2023 USDA map puts Trapper Creek’s center in zone 4b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −24°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
About 27 inches of rain a year
August is the wettest month and March the driest.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Trapper Creek
Nearly all of the work is heating: a normal year has almost no cooling days. Months averaging under 55° run from September through May.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Talkeetna Airport.
Living with Trapper Creek’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
122 frost-free days in zone 4b. The last frost comes by May 16 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 16.
Months with highs of 62–84° and lows of 40° or more: June, July and August. 39 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Trapper Creek from natural hazards, avalanches are the largest share (85%); heat waves, cold waves, winter storms and ice storms together are 1%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Trapper Creek and similar climates
TownRatings has no climate map of the towns around Trapper Creek yet.
Temperatures and precipitation come from NOAA’s 5 km grid; snow and day counts from the stations named on this page.
How Trapper Creek compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Trapper Creek’s place among Alaska’s.
Trapper Creek weather by month
Highs, lows and precipitation from the nearest NOAA station. 1991–2020 normals.
| Month | High | Low | Rain + melt |
|---|---|---|---|
| January | 22° | 5° | 1.3" |
| February | 28° | 9° | 1.2" |
| March | 35° | 12° | 1.1" |
| April | 47° | 26° | 1.3" |
| May | 59° | 37° | 1.6" |
| June | 67° | 47° | 1.7" |
| July | 69° | 51° | 2.9" |
| August | 65° | 48° | 4.7" |
| September | 56° | 39° | 4.5" |
| October | 42° | 27° | 2.8" |
| November | 28° | 13° | 1.8" |
| December | 23° | 8° | 1.7" |
| Year | 45° | 27° | 26.5" |
Where Trapper Creek’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: Talkeetna Airport, 12 miles from the town’s center, 300 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 Trapper Creek’s climate
What is the weather like in Trapper Creek?
A typical July afternoon reaches 69°, a January night drops to 5°. Colder January nights than 98% of U.S. towns; cooler July afternoons than all but 68 U.S. towns.
How cold does it get in Trapper Creek in winter?
January nights average 5°. About 207 nights a year reach 32° or below and 43 reach 0° or below.
How hot does it get in Trapper Creek?
July, with a typical high of 69°. 90° days are rare: none in a normal year at Talkeetna Airport.
When is the first and last frost in Trapper Creek?
In half of years the last spring frost (32°) comes by May 16 and the first fall frost by September 16, about 122 frost-free days, at Talkeetna Airport.
What growing zone is Trapper Creek in?
Zone 4b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −24°.
What is the best time of year to visit Trapper Creek?
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 Trapper Creek.
Source: NOAA NCEI U.S. Climate Normals, 1991–2020; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.