Photo: Yordanpopovbg · CC BY-SA 4.0Maple Valley’s winters are milder and less snowy than most of the U.S.
A typical July afternoon reaches 76°, a January night drops to 35°, and about 18 inches of snow falls in a normal winter.
A year in Maple Valley at a glance
Each month’s typical high and low, and what it brings.
What stands out about Maple Valley’s climate
Compared with towns across the U.S., with Maple Valley’s place in Washington beside it.
What a year in Maple Valley 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, 3 miles from the town’s center, at about the same height.
The 2023 USDA map puts Maple Valley’s center in zone 8b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 18°. 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 52 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 Maple Valley
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 Maple Valley’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. 16 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Maple Valley from natural hazards, river flooding is the largest share (53%); heat waves, cold waves, winter storms and ice storms together are 3%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Maple Valley and its neighbors
Kent the hottest July afternoons (77°, 1° warmer). Differences under a degree are within what the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like Maple Valley’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 |
|---|---|---|---|---|
| Maple Valley, WA | 35° | 76° | 52" | 18" |
| Stayton, OR | 35° | 81° | 51" | 16" |
| Orleans, MA | 25° | 77° | 45" | 25" |
| Boone, NC | 24° | 79° | 58" | 26" |
| Newport, RI | 24° | 81° | 47" | 26" |
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 Maple Valley averaged 0.9° warmer than the 1900s. The biggest change is in January (+2.7°).
A smaller shift than in 86% 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 Maple Valley compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Maple Valley’s place among Washington’s.
Maple Valley weather by month
Highs, lows and precipitation from NOAA’s grid at Maple Valley’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 | 46° | 35° | 6.9" | 6.1" | 21 | 4 | 36° – 45° |
| February | 49° | 34° | 4.8" | 4.0" | 18 | 2 | 34° – 47° |
| March | 53° | 36° | 5.3" | 2.0" | 22 | 2 | 40° – 49° |
| April | 58° | 40° | 4.6" | 0.4" | 20 | 0 | 44° – 55° |
| May | 65° | 45° | 3.4" | 0.0" | 17 | 0 | 50° – 59° |
| June | 69° | 50° | 2.7" | 0.0" | 15 | 0 | 56° – 65° |
| July | 76° | 53° | 1.1" | 0.0" | 9 | 0 | 60° – 68° |
| August | 77° | 53° | 1.3" | 0.0" | 8 | 0 | 61° – 69° |
| September | 70° | 49° | 2.4" | 0.0" | 11 | 0 | 57° – 64° |
| October | 60° | 43° | 5.0" | 0.0" | 17 | 0 | 48° – 56° |
| November | 51° | 38° | 7.5" | 0.9" | 21 | 2 | 39° – 49° |
| December | 45° | 34° | 6.5" | 4.1" | 21 | 3 | 35° – 42° |
| Year | 60° | 43° | 51.5" | 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 34° to 47°. December is the most reliable, staying within 7°.
Where Maple Valley’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 Maple Valley’s center.
- Snow: Palmer 3 Ese, WA.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Landsburg, WA, 3 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 Maple Valley’s climate
What is the weather like in Maple Valley?
A typical July afternoon reaches 76°, a January night drops to 35°, and about 18 inches of snow falls in a normal winter. Milder January nights than 79% of U.S. towns; cooler July afternoons than 98% of U.S. towns.
How cold does it get in Maple Valley 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 35°.
How much snow does Maple Valley 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 Maple Valley?
July, with a typical high of 76° and a low of 53°. About 5 days a year reach 90° (Landsburg, WA).
When is the first and last frost in Maple Valley?
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 Maple Valley in?
Zone 8b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 18°.
What is the best time of year to visit Maple Valley?
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 Maple Valley getting warmer?
Yes: 1991–2020 averaged 0.9° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 86% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Maple Valley.
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.