Lake Morton-Berrydale has some of the coolest summers among U.S. towns
January nights here settle around 35°. It is a wet place: more rain and snow fall here than on 82% of U.S. towns. Warming shows here too: 1.0° more than in 1901–2000, led by January. Seedlings are safe outdoors from about April 20, with the first autumn frost due around October 25.
A year in Lake Morton-Berrydale at a glance
Each month’s typical high and low, and what it brings.
What stands out about Lake Morton-Berrydale’s climate
Compared with towns across the U.S., with Lake Morton-Berrydale’s place in Washington beside it.
What a year in Lake Morton-Berrydale feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 187 frost-free days a year
In half of years the last 32° night comes by April 20 and the first by October 25. Frost and day counts come from NOAA’s station at Landsburg, WA, 7 miles from the town’s center, at about the same height.
The 2023 USDA map puts Lake Morton-Berrydale’s center in zone 8b: 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°
90° days by month
Average days at 90° or more
About 18 inches of snow a winter
Snow, measured at Palmer 3 Ese, WA, falls mostly in January. Precipitation (rain plus melted snow) adds up to 49 inches a year; November is the wettest month and July the driest. Rain or snow falls on about 200 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Lake Morton-Berrydale
98% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from October through April.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Landsburg, WA.
Living with Lake Morton-Berrydale’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
187 frost-free days in zone 8b. The last frost comes by Apr 20 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Oct 25.
Months with highs of 62–84° and lows of 40° or more: May, June, July, August and September. 3.7 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Lake Morton-Berrydale from natural hazards, earthquakes are the largest share (55%); heat waves, cold waves, winter storms and ice storms together are 3%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Lake Morton-Berrydale and its neighbors
Every town next door is within a degree of Lake Morton-Berrydale in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like Lake Morton-Berrydale’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 |
|---|---|---|---|---|
| Lake Morton-Berrydale, WA | 35° | 77° | 49" | 18" |
| Stayton, OR | 35° | 81° | 51" | 16" |
| Nantucket, MA | 26° | 76° | 44" | 25" |
| Newport, RI | 24° | 81° | 47" | 26" |
| Springs, NY | 24° | 80° | 44" | 27" |
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.
Warmer than it used to be
The last 30 years in Lake Morton-Berrydale averaged 1.0° warmer than the 1900s. The biggest change is in January (+2.7°).
A smaller shift than in 76% of U.S. towns.
Change by month
The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.
How Lake Morton-Berrydale compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Lake Morton-Berrydale’s place among Washington’s.
Lake Morton-Berrydale weather by month
Highs, lows and precipitation from NOAA’s grid at Lake Morton-Berrydale’s center; snow, wet days and snow on the ground from Palmer 3 Ese, WA. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 47° | 35° | 6.6" | 6.1" | 21 | 4 | 36° – 45° |
| February | 50° | 35° | 4.5" | 4.0" | 18 | 2 | 35° – 48° |
| March | 54° | 37° | 5.1" | 2.0" | 22 | 2 | 41° – 50° |
| April | 59° | 41° | 4.5" | 0.4" | 20 | 0 | 45° – 56° |
| May | 66° | 46° | 3.3" | 0.0" | 17 | 0 | 51° – 60° |
| June | 70° | 51° | 2.6" | 0.0" | 15 | 0 | 57° – 66° |
| July | 77° | 54° | 1.0" | 0.0" | 9 | 0 | 60° – 69° |
| August | 77° | 54° | 1.3" | 0.0" | 8 | 0 | 62° – 70° |
| September | 71° | 50° | 2.2" | 0.0" | 11 | 0 | 57° – 64° |
| October | 60° | 43° | 4.8" | 0.0" | 17 | 0 | 49° – 57° |
| November | 51° | 38° | 7.1" | 0.9" | 21 | 2 | 40° – 49° |
| December | 46° | 34° | 6.4" | 4.1" | 21 | 3 | 36° – 43° |
| Year | 60° | 43° | 49.3" | 17.5" | 200 | 13 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 35° to 48°. September is the most reliable, staying within 7°.
Where Lake Morton-Berrydale’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 Lake Morton-Berrydale’s center.
- Snow: Palmer 3 Ese, WA.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Landsburg, WA, 7 miles from the town’s center, at about the same height; 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 Lake Morton-Berrydale’s climate
What is the weather like in Lake Morton-Berrydale?
A typical July afternoon reaches 77°, a January night drops to 35°, and about 18 inches of snow falls in a normal winter. Milder January nights than 80% of U.S. towns; cooler July afternoons than 98% of U.S. towns.
How cold does it get in Lake Morton-Berrydale in winter?
December nights average 34°. About 70 nights a year reach 32° or below. In the coldest December of the last 30 years the month averaged 36°.
How much snow does Lake Morton-Berrydale get?
About 18 inches in a normal winter at Palmer 3 Ese, WA, most of it in January, with snow on the ground about 13 days a year.
How hot does it get in Lake Morton-Berrydale?
July, with a typical high of 77° and a low of 54°. About 5 days a year reach 90° (Landsburg, WA).
When is the first and last frost in Lake Morton-Berrydale?
In half of years the last spring frost (32°) comes by April 20 and the first fall frost by October 25, about 187 frost-free days, at Landsburg, WA.
What growing zone is Lake Morton-Berrydale in?
Zone 8b 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 Lake Morton-Berrydale?
By one simple rule (highs of 62–84° and lows of 40° or more), May, June, July, August and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Lake Morton-Berrydale getting warmer?
Yes: 1991–2020 averaged 1.0° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 76% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Lake Morton-Berrydale.
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.