Climate Comfort Score
37/100
Below Average
NOAA 1991–2020 normals 43°F annual avg Public-domain federal data
Santiam Junction, OR Climate
Temperature, precipitation, and comfort score from NOAA NCEI 1991–2020 normals →
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Santiam Junction
Santiam Junction, Oregon averages 43°F a year and scores 37/100 on the comfort index — below average, milder than 1% of U.S. cities.
- 43°F
- annual average temperature (NOAA normal)
- 37/100
- comfort score — milder than 1% of U.S. cities
- 70.4"
- annual precipitation
Based on NOAA U.S. Climate Normals (1991–2020) — 30-year averages describing the typical year, not a forecast.
Avg Temperature
43°F (6°C)
Avg High
54°F
Avg Low
32°F
Annual Precip
70.4"
Comfort Score
37/100
Below Average
Avg Annual Temperature
43°F
30-year mean (NOAA NCEI)
Annual Precipitation
70.4"
Liquid-equivalent total
Comfort score vs national 100-point ceiling (Santiam Junction) 37.0%
National median (≈55)
PlainClimate composite — temperature mildness, humidity, precipitation, extreme-weather frequency. Below Average for the Santiam Junction area.
How Santiam Junction compares to every U.S. city
Santiam Junction's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
37 Top 99% higher than 1% of 6,915 US cities
Each bar is a band; taller bars hold more US cities. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source NOAA U.S. Climate Normals — PlainClimate comfort index · 1991–2020
Warming context for Santiam Junction
MethodologyHow the U.S. land temperature anomaly tracks against the global mean since 1900. The current NOAA 1991-2020 normal for Santiam Junction captures average conditions across the spread shown — the most recent decade is warmer than the 30-year mean.
- United States land mean (NOAA NCEI) +0.11 °C/decade
- Global anomaly (NASA GISTEMP) +0.11 °C/decade
- Paris Agreement thresholds 1.5°C / 2.0°C
Monthly Temperatures
Average daily high and low temperatures by month
| Month | Avg High | Avg Low | Mean | Precip | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|
| January | 38°F (3°C) | 24°F (-5°C) | 31°F (-1°C) | 10.8" | 29.3 | 0.0 |
| February | 41°F (5°C) | 24°F (-5°C) | 32°F (0°C) | 7.8" | 26.1 | 0.0 |
| March | 44°F (6°C) | 26°F (-3°C) | 35°F (2°C) | 7.8" | 28.3 | 0.0 |
| April | 49°F (9°C) | 29°F (-2°C) | 39°F (4°C) | 6.0" | 23.6 | 0.0 |
| May | 58°F (14°C) | 35°F (2°C) | 46°F (8°C) | 4.0" | 12.7 | 0.0 |
| June | 65°F (18°C) | 38°F (3°C) | 52°F (11°C) | 2.8" | 5.3 | 0.3 |
| July | 76°F (24°C) | 42°F (6°C) | 59°F (15°C) | 0.7" | 1.2 | 2.7 |
| August | 77°F (25°C) | 42°F (5°C) | 59°F (15°C) | 0.8" | 2.2 | 2.5 |
| September | 69°F (20°C) | 39°F (4°C) | 54°F (12°C) | 2.3" | 6.3 | 0.4 |
| October | 56°F (13°C) | 33°F (0°C) | 44°F (7°C) | 5.9" | 16.4 | 0.0 |
| November | 42°F (6°C) | 28°F (-2°C) | 35°F (2°C) | 10.0" | 24.7 | 0.0 |
| December | 36°F (2°C) | 23°F (-5°C) | 30°F (-1°C) | 11.6" | 28.8 | 0.0 |
Monthly Precipitation
Average monthly rainfall
January 10.8"
February 7.8"
March 7.8"
April 6.0"
May 4.0"
June 2.8"
July 0.7"
August 0.8"
September 2.3"
October 5.9"
November 10.0"
December 11.6"
Frost Dates & Growing Season
First Fall Freeze
N/A
50% probability date
Last Spring Freeze
N/A
50% probability date
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
8,081
Higher = more heating needed
Cooling Degree Days
47
Higher = more cooling needed
Warmest Month
July
Coldest Month
December
What Santiam Junction's climate means for you
Santiam Junction runs 43°F a year — peaking in July, coldest in December.
- Energy bills track 8,081 heating and 47 cooling degree days a year — higher means the furnace or AC runs more.
- Comparing places to live? Line this city up against nearby cities and the national rankings. See rankings
These are 30-year NOAA normals (1991–2020) — the typical year, not a forecast for any specific season.
Climate Guides
Climate Insight: Santiam Junction, OR
The NOAA 1991–2020 climate normals describe Santiam Junction, Oregon as a location with an annual average temperature of 43°F, ranging from a mean daily high of 54°F to a mean daily low of 32°F. July is typically the warmest month of the year, while December is the coldest. These thirty-year averages, computed from station USC00357554, smooth out year-to-year variability and give a baseline expectation for typical conditions in any given month.
Precipitation patterns matter as much as temperature for anyone planning to live, garden, or travel here. Santiam Junction receives roughly 70.4 inches of precipitation each year, predominantly as rainfall. Growing-season length varies with elevation and microclimate, with the last spring freeze near N/A and the first fall freeze near N/A. For energy use, 8,081 heating degree days and 47 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Santiam Junction scores 37/100 (Below Average), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. Use the monthly tables above to plan around specific windows — shoulder seasons for mild highs and lows, peak summer for July-driven heat, or deep winter for December-driven cold. All figures here are thirty-year averages: any single year may run warmer, wetter, drier, or cooler than the normal, so treat them as planning guidance rather than forecasts.
Frequently Asked Questions
What is the average temperature in Santiam Junction, OR? ▼
The average annual temperature in Santiam Junction, Oregon is 43°F. The warmest month averages 77°F (25°C) and the coldest averages 23°F (-5°C).
How much rain does Santiam Junction get? ▼
Santiam Junction receives 70.4 inches of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Santiam Junction? ▼
Santiam Junction has a climate comfort score of 37/100 (Below Average). This score considers temperature mildness, humidity, precipitation, and extreme weather frequency.
When is the growing season in Santiam Junction? ▼
Growing season data is not available for Santiam Junction.
How much energy does heating and cooling require in Santiam Junction? ▼
Santiam Junction has 8,081 heating degree days and 47 cooling degree days annually. Higher heating degree days indicate greater winter energy demand, while higher cooling degree days indicate greater summer cooling needs.
Where does this Santiam Junction climate data come from? ▼
All climate data comes from NOAA U.S. Climate Normals v1.0.1, covering the 30-year period from 1991 to 2020. Data is collected from weather station USC00357554. These 30-year averages are the standard reference for typical weather conditions.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00357554. For informational purposes only.
Read our methodology — how this data is sourced, computed, and verified.
Related
Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainClimate Editorial
