Tumalo has chilly winters and warm summers, with very little rain
A typical July afternoon reaches 85°, a January night drops to 25°, and about 22 inches of snow falls in a normal winter.
A year in Tumalo at a glance
Each month’s typical high and low, and what it brings.
What stands out about Tumalo’s climate
Read from where Tumalo sits among Oregon’s towns. The page puts what stands out first.
22 inches of snow, 11 of rain and melt
December is the wettest month and July the driest. Rain or snow falls on about 63 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Living with Tumalo’s climate
What the numbers mean for a garden, a driveway, a furnace and a free afternoon.
105 frost-free days. The last frost comes by Jun 6 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.
About 22" a winter over 8 days with an inch or more, most in January.
Months averaging under 55° run from October through May. Heating is 96% of the year’s heating-and-cooling load.
About 16 days a year reach 90°, and July afternoons average 85°.
The nicest months are June and September.
Parks & trails →Normals are averages. Ice storms, nor’easters, floods and heat waves are on the natural hazards page.
Natural hazards →About 105 frost-free days a year
In half of years the last 32° night comes by June 6 and the first by September 20.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
Warmer than it used to be
The last 30 years in Tumalo averaged 1.1° warmer than the 1900s. The biggest change is in January (+3.3°).
A smaller shift than in 62% of U.S. towns.
Change by month
What a year in Tumalo feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
How Tumalo compares
Against every U.S. town on TownTapestry, each counted once, with its place in Oregon.
Tumalo weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | 30-yr range |
|---|---|---|---|---|---|---|
| January | 43° | 25° | 1.5" | 6.4" | 9 | 22° – 39° |
| February | 46° | 25° | 1.1" | 5.5" | 7 | 26° – 42° |
| March | 53° | 28° | 0.7" | 1.5" | 6 | 34° – 46° |
| April | 58° | 31° | 0.7" | 0.7" | 6 | 40° – 51° |
| May | 67° | 37° | 1.0" | 0 | 5 | 46° – 57° |
| June | 75° | 42° | 0.7" | 0 | 4 | 54° – 66° |
| July | 85° | 48° | 0.3" | 0 | 2 | 58° – 71° |
| August | 85° | 47° | 0.4" | 0 | 2 | 61° – 69° |
| September | 77° | 41° | 0.4" | 0 | 2 | 55° – 62° |
| October | 63° | 33° | 0.8" | 0.2" | 4 | 43° – 53° |
| November | 49° | 28° | 1.2" | 2.0" | 7 | 32° – 44° |
| December | 41° | 23° | 1.9" | 5.3" | 9 | 26° – 36° |
| Year | 62° | 34° | 10.7" | 21.6" | 63 |
Heating and cooling a home in Tumalo
96% of the work is heating, so the furnace matters far more than the air conditioner.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. Source: NOAA station normals.
How much a month can swing
A normal is an average. January swings the most: from 1991 to 2020 its average ranged from 22° to 39°. September is the most reliable, staying within 7°.
Common questions about Tumalo’s climate
What is the coldest month in Tumalo?
December, with a typical high of 41° and a low of 23°.
What is the hottest month in Tumalo?
July, with a typical high of 85° and a low of 48°. About 16 days a year reach 90°.
How much snow does Tumalo get?
About 22 inches in a normal winter, most of it in January.
When is the first frost in Tumalo?
In half of years the first 32° night comes by September 20, and the last spring frost by June 6.
What is the rainiest month in Tumalo?
December, with 1.9 inches of rain and melted snow. The year totals 11 inches.
Neighbors talk weather
Gardens, snow, and the best days of the year in Tumalo.
Your answer becomes a post in Town Square.
Temperatures and rainfall come from NOAA’s gridded climate normals for Tumalo itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Bend, OR (7 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Today’s forecast: National Weather Service.