Climate Comfort Score
73/100
Good
NOAA 1991–2020 normals 53°F annual avg Public-domain federal data
Silverton, OR Climate
Explore average temperature, rainfall, and comfort score sourced from NOAA NCEI's 1991–2020 climate normals →
- 53°F
- Avg annual temp
- 73/100
- Comfort score
- 47.2"
- Annual precip
- 227d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Silverton
Silverton, Oregon averages 53°F a year and scores 73/100 on the comfort index - good, milder than 68% of U.S. cities.
- 53°F
- average temperature, NOAA 1991-2020 normal
- 73/100
- comfort score, milder than 68% of U.S. cities
- 47.2"
- annual precipitation · 1" snow
- 227 days
- frost-free days per growing season
Based on NOAA U.S. Climate Normals (1991–2020) - 30-year averages describing the typical year, not a forecast.
Avg Temperature
53°F (12°C)
Avg High
62°F
Avg Low
44°F
Annual Precip
47.2"
Annual Snow
1.1"
Comfort Score
73/100
Good
Avg Annual Temperature
53°F
30-year mean (NOAA NCEI)
Annual Precipitation
47.2"
Plus 1.1" of snow
Comfort score vs national 100-point ceiling (Silverton) 73.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Good for the Silverton area.
How Silverton compares to every U.S. city
Silverton's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
73 Top 32% higher than 68% 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 Silverton
MethodologyThe chart below traces how the U.S. land temperature anomaly has moved against the global mean since 1900. For Silverton, the NOAA 1991-2020 normal captures average conditions across that spread - notably, the most recent decade runs warmer than the 30-year mean itself.
- 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 | Snow | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|---|
| January | 47°F (8°C) | 35°F (2°C) | 41°F (5°C) | 6.7" | 0.1" | 11.9 | 0.0 |
| February | 50°F (10°C) | 36°F (2°C) | 43°F (6°C) | 4.9" | 0.8" | 8.5 | 0.0 |
| March | 55°F (13°C) | 38°F (3°C) | 47°F (8°C) | 5.5" | 0.0" | 4.2 | 0.0 |
| April | 60°F (15°C) | 42°F (5°C) | 51°F (10°C) | 4.2" | 0.0" | 1.1 | 0.0 |
| May | 67°F (19°C) | 47°F (8°C) | 57°F (14°C) | 2.9" | 0.0" | 0.0 | 0.2 |
| June | 72°F (22°C) | 51°F (11°C) | 62°F (16°C) | 1.8" | 0.0" | 0.0 | 0.9 |
| July | 80°F (27°C) | 56°F (13°C) | 68°F (20°C) | 0.4" | 0.0" | 0.0 | 3.5 |
| August | 80°F (27°C) | 56°F (13°C) | 68°F (20°C) | 0.5" | 0.0" | 0.0 | 3.1 |
| September | 74°F (24°C) | 52°F (11°C) | 63°F (17°C) | 1.7" | 0.0" | 0.0 | 0.9 |
| October | 63°F (17°C) | 45°F (7°C) | 54°F (12°C) | 4.2" | 0.0" | 0.7 | 0.0 |
| November | 52°F (11°C) | 39°F (4°C) | 45°F (7°C) | 7.0" | 0.0" | 6.1 | 0.0 |
| December | 46°F (8°C) | 35°F (2°C) | 40°F (5°C) | 7.5" | 0.2" | 11.6 | 0.0 |
Monthly Precipitation
Average monthly rainfall and snowfall
January 6.7"
Snow: 0.1"
22.4 days with precipitation
February 4.9"
Snow: 0.8"
18.9 days with precipitation
March 5.5"
20.9 days with precipitation
April 4.2"
18.6 days with precipitation
May 2.9"
14.0 days with precipitation
June 1.8"
9.5 days with precipitation
July 0.4"
3.2 days with precipitation
August 0.5"
3.5 days with precipitation
September 1.7"
7.2 days with precipitation
October 4.2"
15.4 days with precipitation
November 7.0"
22.7 days with precipitation
December 7.5"
Snow: 0.2"
22.9 days with precipitation
Frost Dates & Growing Season
First Fall Freeze
November 10
50% probability date
Last Spring Freeze
March 28
50% probability date
Growing Season
227 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
4,658
Higher = more heating needed
Cooling Degree Days
319
Higher = more cooling needed
Warmest Month
August
Coldest Month
December
What Silverton's climate means for you
Silverton runs 53°F a year - peaking in August, coldest in December.
- Gardeners get about 227 frost-free days, with the last spring freeze near March 28 - plan the planting calendar around it, not the regional average.
- Energy bills track 4,658 heating and 319 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: Silverton, OR
Silverton, Oregon runs an annual average of 53°F, ranging from a mean daily high of 62°F to a mean daily low of 44°F, per NOAA's 1991–2020 climate normals. August is typically the warmest month of the year, while December is the coldest. Drawn from station USC00357823, these thirty-year averages smooth out year-to-year swings into a baseline for what a typical month looks like here.
Rainfall (and snow, where it falls) shapes day-to-day life here as much as temperature does. Silverton sees about 47.2 inches of precipitation a year, with 1.1 inches typically falling as snow. The frost-free season averages 227 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near March 28 and the first fall freeze near November 10. On the energy side, 4,658 heating degree days and 319 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Silverton scores 73/100 (Good), 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 August-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 Silverton, OR? ▼
The average annual temperature in Silverton, Oregon is 53°F. The warmest month averages 80°F (27°C) and the coldest averages 35°F (2°C).
How much rain does Silverton get? ▼
Silverton receives 47.2 inches of precipitation annually, including 1.1 inches of snow. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Silverton? ▼
Silverton has a climate comfort score of 73/100 (Good), milder than 68% of U.S. cities in the PlainClimate database.
When is the growing season in Silverton? ▼
Silverton has approximately 227 frost-free days per year, with the last spring freeze around March 28 and the first fall freeze around November 10.
How much energy does heating and cooling require in Silverton? ▼
Silverton has 4,658 heating degree days and 319 cooling degree days annually, a heating-dominated climate. See our <a href="/guides/reading-weather-data/" class="underline hover:text-brand-600">guide to reading weather data</a> for what these figures mean.
Where does this Silverton climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00357823 near Silverton.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00357823. 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
Every figure on PlainClimate is rendered directly from NOAA 1991-2020 U.S. Climate Normals data, no number is typed in by an editor. This page draws directly on NOAA 1991-2020 U.S. Climate Normals data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.