Hardly any U.S. towns see harsher January nights than Healy Lake
High summer brings afternoon highs near 71°. The wettest month is August; the driest is April. Summers stay cool: July afternoons here are cooler than in almost every U.S. town. Plan time outside from June to August, when highs sit at 66–71°.
A year in Healy Lake at a glance
Each month’s typical high and low, and what it brings.
What stands out about Healy Lake’s climate
Compared with towns across the U.S., with Healy Lake’s place in Alaska beside it.
What a year in Healy Lake feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 75 frost-free days a year
In half of years the last 32° night comes by June 5 and the first by August 21. Frost and day counts come from NOAA’s station at Delta Junction 20 Se, AK, 13 miles from the town’s center, 360 ft lower.
The 2023 USDA map puts Healy Lake’s center in zone 3a: the coldest night of a typical winter, averaged over 1991–2020, reaches about −38°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
About 42 inches of snow a winter
Snow, measured at Delta Junction 20 Se, AK, is heaviest from October through November, about 8 inches a month. Precipitation (rain plus melted snow) adds up to 12 inches a year; August is the wettest month and April the driest. Rain or snow falls on about 82 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Healy Lake
Nearly all of the work is heating: a normal year has almost no cooling days. Months averaging under 55° run from August 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 Delta Junction 20 Se, AK.
Living with Healy Lake’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
75 frost-free days in zone 3a. The last frost comes by Jun 5 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Aug 21.
Months with highs of 62–84° and lows of 40° or more: June, July and August. 1.8 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Healy Lake from natural hazards, wildfire is the largest share (33%); heat waves, cold waves, winter storms and ice storms together are 20%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Healy Lake and similar climates
TownRatings has no climate map of the towns around Healy Lake yet.
Climates most like Healy Lake’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.
| Town | Jan. low | July high | Precip. | Snow |
|---|---|---|---|---|
| Healy Lake, AK | −13° | 71° | 12" | 42" |
| Thief River Falls, MN | −4° | 79° | 22" | 50" |
| Grand Forks, ND | −2° | 81° | 22" | 49" |
| Gunnison, CO | 0° | 82° | 12" | 50" |
| Superior, WI | 6° | 76° | 30" | 56" |
Temperatures and precipitation come from NOAA’s 5 km grid; snow and day counts from the stations named on this page.
How Healy Lake compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Healy Lake’s place among Alaska’s.
Healy Lake weather by month
Highs, lows and precipitation from the nearest NOAA station; snow, wet days and snow on the ground from Delta Junction 20 Se, AK. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground |
|---|---|---|---|---|---|---|
| January | 5° | −13° | 0.4" | 6.3" | 4 | 29 |
| February | 15° | −8° | 0.3" | 5.1" | 4 | 25 |
| March | 26° | −4° | 0.3" | 4.4" | 3 | 26 |
| April | 46° | 17° | 0.3" | 2.4" | 3 | 13 |
| May | 61° | 32° | 0.9" | 0.5" | 7 | 0 |
| June | 70° | 43° | 2.2" | 0.0" | 11 | 0 |
| July | 71° | 46° | 2.2" | 0.0" | 14 | 0 |
| August | 66° | 40° | 2.3" | 0.0" | 13 | 0 |
| September | 55° | 30° | 1.2" | 1.0" | 9 | 0 |
| October | 34° | 15° | 0.8" | 8.0" | 6 | 9 |
| November | 14° | −2° | 0.6" | 7.7" | 6 | 24 |
| December | 8° | −9° | 0.5" | 6.8" | 5 | 26 |
| Year | 39° | 16° | 11.8" | 42.2" | 82 | 152 |
Where Healy Lake’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).
- Snow: Delta Junction 20 Se, AK.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Delta Junction 20 Se, AK, 13 miles from the town’s center, 360 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 Healy Lake’s climate
What is the weather like in Healy Lake?
A typical July afternoon reaches 71°, a January night drops to −13°, and about 42 inches of snow falls in a normal winter. Colder January nights than all but 7 U.S. towns; cooler July afternoons than all but 103 U.S. towns.
How cold does it get in Healy Lake in winter?
January nights average −13°. About 253 nights a year reach 32° or below and 101 reach 0° or below.
How much snow does Healy Lake get?
About 42 inches in a normal winter at Delta Junction 20 Se, AK, heaviest from October through November, about 8 inches a month, with snow on the ground about 152 days a year.
How hot does it get in Healy Lake?
July, with a typical high of 71°. 90° days are rare: none in a normal year at Delta Junction 20 Se, AK.
When is the first and last frost in Healy Lake?
In half of years the last spring frost (32°) comes by June 5 and the first fall frost by August 21, about 75 frost-free days, at Delta Junction 20 Se, AK.
What growing zone is Healy Lake in?
Zone 3a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −38°.
What is the best time of year to visit Healy Lake?
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 Healy Lake.
Source: NOAA NCEI U.S. Climate Normals, 1991–2020; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.