Pleasant Camp · Photo: Victoria L. Taylor · Public domainMosquito Lake gets about 245 inches of snow a winter, more than all but 1 U.S. towns
Midsummer highs settle at about 68°. In July, afternoons here are cooler than in almost every U.S. town. The year swings widely: the coldest month’s nights and the warmest month’s afternoons are 57° apart. Long walks are most pleasant from June to August, when afternoons reach 66–68°.
A year in Mosquito Lake at a glance
Each month’s typical high and low, and what it brings.
What stands out about Mosquito Lake’s climate
Compared with towns across the U.S., with Mosquito Lake’s place in Alaska beside it.
What a year in Mosquito Lake feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 118 frost-free days a year
In half of years the last 32° night comes by May 24 and the first by September 20. Frost and day counts come from NOAA’s station at Haines 40nw, AK, 6 miles from the town’s center.
The 2023 USDA map puts Mosquito Lake’s center in zone 5a: the coldest night of a typical winter, averaged over 1991–2020, reaches about −19°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
About 245 inches of snow a winter
Snow, measured at Haines 40nw, AK, falls mostly in December. Precipitation (rain plus melted snow) adds up to 48 inches a year; December is the wettest month and June the driest. Rain or snow falls on about 163 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Mosquito Lake
Nearly all of the work is heating: a normal year has almost no cooling days. Months averaging under 55° run from September through June.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Haines 40nw, AK.
Living with Mosquito Lake’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
118 frost-free days in zone 5a. The last frost comes by May 24 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 20.
Months with highs of 62–84° and lows of 40° or more: June, July and August. 13 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Mosquito Lake from natural hazards, avalanches are the largest share (56%); heat waves, cold waves, winter storms and ice storms together are 5%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Mosquito Lake and similar climates
TownRatings has no climate map of the towns around Mosquito Lake yet.
Climates most like Mosquito 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 |
|---|---|---|---|---|
| Mosquito Lake, AK | 12° | 68° | 48" | 245" |
| Incline Village, NV | 22° | 73° | 38" | 179" |
| North Elba, NY | 4° | 72° | 52" | 104" |
| Ishpeming, MI | 5° | 77° | 33" | 197" |
| Stowe, VT | 7° | 78° | 45" | 139" |
Temperatures and precipitation come from NOAA’s 5 km grid; snow and day counts from the stations named on this page.
How Mosquito Lake compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Mosquito Lake’s place among Alaska’s.
Mosquito Lake weather by month
Highs, lows and precipitation from the nearest NOAA station; snow, wet days and snow on the ground from Haines 40nw, AK. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground |
|---|---|---|---|---|---|---|
| January | 23° | 12° | 5.5" | 53.1" | 15 | 31 |
| February | 29° | 14° | 4.1" | 38.9" | 13 | 29 |
| March | 35° | 17° | 3.7" | 33.6" | 12 | 31 |
| April | 46° | 27° | 2.2" | 5.6" | 10 | 27 |
| May | 58° | 35° | 1.7" | 0.2" | 10 | 4 |
| June | 66° | 43° | 1.3" | 0.0" | 10 | 0 |
| July | 68° | 48° | 1.4" | 0.0" | 11 | 0 |
| August | 66° | 46° | 2.7" | 0.0" | 14 | 0 |
| September | 56° | 40° | 5.4" | 0.2" | 18 | 0 |
| October | 44° | 31° | 6.9" | 7.6" | 18 | 4 |
| November | 30° | 19° | 5.7" | 44.4" | 15 | 24 |
| December | 24° | 15° | 7.8" | 61.5" | 18 | 31 |
| Year | 45° | 29° | 48.3" | 245.1" | 163 | 182 |
Where Mosquito 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: Haines 40nw, AK.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Haines 40nw, AK, 6 miles from the town’s center; 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 Mosquito Lake’s climate
What is the weather like in Mosquito Lake?
A typical July afternoon reaches 68°, a January night drops to 12°, and about 245 inches of snow falls in a normal winter. Colder January nights than 91% of U.S. towns; cooler July afternoons than all but 66 U.S. towns.
How cold does it get in Mosquito Lake in winter?
January nights average 12°. About 207 nights a year reach 32° or below and 18 reach 0° or below.
How much snow does Mosquito Lake get?
About 245 inches in a normal winter at Haines 40nw, AK, most of it in December, with snow on the ground about 182 days a year.
How hot does it get in Mosquito Lake?
July, with a typical high of 68°. 90° days are rare: none in a normal year at Haines 40nw, AK.
When is the first and last frost in Mosquito Lake?
In half of years the last spring frost (32°) comes by May 24 and the first fall frost by September 20, about 118 frost-free days, at Haines 40nw, AK.
What growing zone is Mosquito Lake in?
Zone 5a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −19°.
What is the best time of year to visit Mosquito 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 Mosquito 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.