Photo: Tedder · CC BY 3.0Hardly any U.S. towns see fresher July days than Clatskanie
January mornings start at about 35°. Its yearly precipitation tops that of 89% of U.S. towns. Warming shows here too: 1.3° more than in 1901–2000, led by January. Keep the boiler serviced for the months from November to April, which average under 50°.
A year in Clatskanie at a glance
Each month’s typical high and low, and what it brings.
What stands out about Clatskanie’s climate
Compared with towns across the U.S., with Clatskanie’s place in Oregon beside it.
What a year in Clatskanie feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 184 frost-free days a year
In half of years the last 32° night comes by April 24 and the first by October 24. Frost and day counts come from NOAA’s station at Clatskanie, OR, 0.2 miles from the town’s center, at about the same height.
The 2023 USDA map puts Clatskanie’s center in zone 8b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 16°. 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 2 inches of snow a winter
Snow, measured at Clatskanie, OR, falls mostly in December. Precipitation (rain plus melted snow) adds up to 52 inches a year; December is the wettest month and July the driest. Rain or snow falls on about 192 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Clatskanie
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 Clatskanie, OR.
Living with Clatskanie’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
184 frost-free days in zone 8b. The last frost comes by Apr 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 Oct 24.
Months with highs of 62–84° and lows of 40° or more: May, June, July, August, September and October. 1.3 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Clatskanie from natural hazards, earthquakes are the largest share (43%); heat waves, cold waves, winter storms and ice storms together are 10%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Clatskanie and similar climates
TownRatings has no climate map of the towns around Clatskanie yet.
Climates most like Clatskanie’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 |
|---|---|---|---|---|
| Clatskanie, OR | 35° | 77° | 52" | 2.3" |
| Arlington, WA | 36° | 75° | 56" | 5.7" |
| Ben Lomond, CA | 40° | 79° | 43" | 0.0" |
| Black Mountain, NC | 27° | 82° | 57" | 2.1" |
| West Yarmouth, MA | 25° | 79° | 46" | 22" |
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 Clatskanie averaged 1.3° warmer than the 1900s. The biggest change is in January (+3.2°).
A smaller shift than in 52% 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 Clatskanie compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Clatskanie’s place among Oregon’s.
Clatskanie weather by month
Highs, lows and precipitation from NOAA’s grid at Clatskanie’s center; snow, wet days and snow on the ground from Clatskanie, OR. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 47° | 35° | 7.7" | 0.5" | 22 | 1 | 34° – 45° |
| February | 51° | 34° | 5.5" | 0.7" | 19 | 0 | 36° – 48° |
| March | 55° | 36° | 5.8" | 0.2" | 22 | 0 | 42° – 51° |
| April | 60° | 39° | 4.1" | 0.0" | 20 | 0 | 45° – 54° |
| May | 67° | 44° | 2.7" | 0.0" | 14 | 0 | 51° – 59° |
| June | 71° | 49° | 1.8" | 0.0" | 12 | 0 | 56° – 65° |
| July | 77° | 52° | 0.6" | 0.0" | 6 | 0 | 61° – 68° |
| August | 78° | 52° | 0.8" | 0.0" | 5 | 0 | 62° – 68° |
| September | 73° | 48° | 2.0" | 0.0" | 9 | 0 | 57° – 64° |
| October | 62° | 42° | 4.5" | 0.0" | 18 | 0 | 48° – 57° |
| November | 52° | 37° | 8.0" | 0.1" | 23 | 0 | 39° – 50° |
| December | 46° | 34° | 8.8" | 0.8" | 23 | 1 | 35° – 43° |
| Year | 61° | 42° | 52.2" | 2.3" | 192 | 2 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 36° to 48°. August is the most reliable, staying within 6°.
Where Clatskanie’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 Clatskanie’s center.
- Snow: Clatskanie, OR (NOAA station in town).
- Frost, freezing nights, 90° and 100° days, heating and cooling: Clatskanie, OR, 0.2 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 Clatskanie’s climate
What is the weather like in Clatskanie?
A typical July afternoon reaches 77°, a January night drops to 35°, and about 2 inches of snow falls in a normal winter. Milder January nights than 80% of U.S. towns; cooler July afternoons than 97% of U.S. towns.
How cold does it get in Clatskanie 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 Clatskanie get?
About 2.3 inches in a normal winter at Clatskanie, OR, most of it in December, with snow on the ground about 2 days a year.
How hot does it get in Clatskanie?
July, with a typical high of 77° and a low of 52°. About 4 days a year reach 90° (Clatskanie, OR).
When is the first and last frost in Clatskanie?
In half of years the last spring frost (32°) comes by April 24 and the first fall frost by October 24, about 184 frost-free days, at Clatskanie, OR.
What growing zone is Clatskanie in?
Zone 8b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 16°.
What is the best time of year to visit Clatskanie?
By one simple rule (highs of 62–84° and lows of 40° or more), May, June, July, August, September and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Clatskanie getting warmer?
Yes: 1991–2020 averaged 1.3° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 52% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Clatskanie.
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.