Whitcomb Cabin · Photo: Alfred M. Staehli, Architect AIA, Photographer · Public domainLess rain and snow falls on Glenwood than on 77% of U.S. towns: 35 inches a year
January nights here settle around 26°. The seasons are far apart: from a winter night to a summer afternoon the average spans 58°. Its July afternoons stay fresher than in 76% of U.S. towns. Keep the boiler serviced for the months from October to April, which average under 50°.
A year in Glenwood at a glance
Each month’s typical high and low, and what it brings.
What stands out about Glenwood’s climate
Compared with towns across the U.S., with Glenwood’s place in Washington beside it.
What a year in Glenwood feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
A freeze is possible in every month
About 193 nights a year fall to 32° or below, and 2 to 0° or below. Frost and day counts come from NOAA’s station at Glenwood #2, WA, 1.7 miles from the town’s center, at about the same height.
The 2023 USDA map puts Glenwood’s center in zone 7a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 1°. 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 65 inches of snow a winter
Snow, measured at Glenwood #2, WA, falls mostly in January and December. Precipitation (rain plus melted snow) adds up to 35 inches a year; December is the wettest month and July the driest. Rain or snow falls on about 87 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Glenwood
98% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from October 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 Glenwood #2, WA.
Living with Glenwood’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
Zone 7a, and frost can come in any month. The longest frost-free stretch in half of years is about 72 days.
Months with highs of 62–84° and lows of 40° or more: June, July, August and September.
Parks & trails →Of the yearly building losses FEMA expects in Glenwood from natural hazards, wildfire is the largest share (69%); heat waves, cold waves, winter storms and ice storms together are 2%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Glenwood and similar climates
TownRatings has no climate map of the towns around Glenwood yet.
Climates most like Glenwood’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 |
|---|---|---|---|---|
| Glenwood, WA | 26° | 83° | 35" | 65" |
| Sandpoint, ID | 23° | 83° | 31" | 62" |
| Cleveland, OH | 23° | 82° | 38" | 64" |
| Trenton, MI | 20° | 83° | 35" | 54" |
| Lewiston, NY | 19° | 81° | 34" | 72" |
Temperatures and precipitation come from NOAA’s 5 km grid; snow and day counts from the stations named on this page.
Warmer than it used to be
The last 30 years in Glenwood averaged 1.5° warmer than the 1900s. The biggest change is in January (+3.6°).
A bigger shift than in 58% 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 Glenwood compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Glenwood’s place among Washington’s.
Glenwood weather by month
Highs, lows and precipitation from NOAA’s grid at Glenwood’s center; snow, wet days and snow on the ground from Glenwood #2, WA. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 38° | 26° | 5.8" | 22.2" | 13 | 15 | 23° – 38° |
| February | 43° | 26° | 4.3" | 7.1" | 10 | 9 | 28° – 42° |
| March | 50° | 30° | 3.8" | 6.0" | 11 | 3 | 35° – 46° |
| April | 57° | 33° | 1.9" | 0.1" | 7 | 0 | 40° – 51° |
| May | 67° | 39° | 1.5" | 0.0" | 6 | 0 | 48° – 58° |
| June | 73° | 44° | 0.9" | 0.0" | 3 | 0 | 54° – 67° |
| July | 83° | 48° | 0.3" | 0.0" | 1 | 0 | 58° – 69° |
| August | 82° | 48° | 0.4" | 0.0" | 1 | 0 | 60° – 69° |
| September | 75° | 41° | 0.9" | 0.0" | 3 | 0 | 54° – 62° |
| October | 60° | 34° | 2.9" | 0.3" | 7 | 0 | 42° – 53° |
| November | 46° | 29° | 5.3" | 6.2" | 11 | 2 | 32° – 42° |
| December | 37° | 25° | 6.8" | 23.4" | 14 | 12 | 26° – 35° |
| Year | 59° | 35° | 34.7" | 65.3" | 87 | 42 |
How much a month can swing
A normal is an average. January swings the most: from 1991 to 2020 its average ranged from 23° to 38°. September is the most reliable, staying within 8°.
Where Glenwood’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 Glenwood’s center.
- Snow: Glenwood #2, WA (NOAA station in town).
- Frost, freezing nights, 90° and 100° days, heating and cooling: Glenwood #2, WA, 1.7 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 Glenwood’s climate
What is the weather like in Glenwood?
A typical July afternoon reaches 83°, a January night drops to 26°, and about 65 inches of snow falls in a normal winter. Milder January nights than 64% of U.S. towns; cooler July afternoons than 76% of U.S. towns.
How cold does it get in Glenwood in winter?
December nights average 25°. About 193 nights a year reach 32° or below and 2 reach 0° or below. In the coldest December of the last 30 years the month averaged 26°.
How much snow does Glenwood get?
About 65 inches in a normal winter at Glenwood #2, WA, most of it in January and December, with snow on the ground about 42 days a year.
How hot does it get in Glenwood?
July, with a typical high of 83° and a low of 48°. About 14 days a year reach 90° (Glenwood #2, WA).
When is the first and last frost in Glenwood?
There is no reliable frost-free season: at Glenwood #2, WA, every month has nights at 32° or below, about 193 a year. In half of years the longest stretch without a freeze is about 72 days.
What growing zone is Glenwood in?
Zone 7a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 1°.
What is the best time of year to visit Glenwood?
By one simple rule (highs of 62–84° and lows of 40° or more), June, July, August and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Glenwood getting warmer?
Yes: 1991–2020 averaged 1.5° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 58% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Glenwood.
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.