Climate Comfort Score
68/100
Good
NOAA 1991–2020 normals 52°F annual avg Public-domain federal data
- 52°F
- Avg annual temp
- 68/100
- Comfort score
- 46.5"
- Annual precip
- 195d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Dorena
Dorena, Oregon averages 52°F a year and scores 68/100 on the comfort index - good, milder than 58% of U.S. cities.
- 52°F
- yearly average temperature, NOAA normal
- 68/100
- comfort score, milder than 58% of U.S. cities
- 46.5"
- yearly precipitation total
- 195 days
- frost-free growing season
Based on NOAA U.S. Climate Normals (1991–2020) - 30-year averages describing the typical year, not a forecast.
Avg Temperature
52°F (11°C)
Avg High
63°F
Avg Low
41°F
Annual Precip
46.5"
Comfort Score
68/100
Good
Avg Annual Temperature
52°F
30-year mean (NOAA NCEI)
Annual Precipitation
46.5"
Liquid-equivalent total
Comfort score vs national 100-point ceiling (Dorena) 68.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Good for the Dorena area.
How Dorena compares to every U.S. city
Dorena's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
68 Top 42% higher than 58% 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 Dorena
MethodologyDorena's NOAA 1991-2020 normal sits inside a longer story: U.S. land temperatures have been tracking (and drifting from) the global mean since 1900, and the chart below shows that spread, with the most recent decade running 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 | 48°F (9°C) | 34°F (1°C) | 41°F (5°C) | 6.2" | 12.8 | 0.0 |
| February | 51°F (11°C) | 34°F (1°C) | 43°F (6°C) | 4.7" | 12.6 | 0.0 |
| March | 56°F (13°C) | 36°F (2°C) | 46°F (8°C) | 5.6" | 8.9 | 0.0 |
| April | 60°F (15°C) | 39°F (4°C) | 49°F (10°C) | 4.5" | 3.7 | 0.0 |
| May | 67°F (19°C) | 44°F (7°C) | 55°F (13°C) | 3.5" | 1.0 | 0.3 |
| June | 72°F (22°C) | 48°F (9°C) | 60°F (15°C) | 2.1" | 0.1 | 1.1 |
| July | 81°F (27°C) | 51°F (11°C) | 66°F (19°C) | 0.4" | 0.0 | 5.6 |
| August | 82°F (28°C) | 50°F (10°C) | 66°F (19°C) | 0.6" | 0.0 | 5.6 |
| September | 76°F (24°C) | 46°F (8°C) | 61°F (16°C) | 1.8" | 0.1 | 2.0 |
| October | 64°F (18°C) | 42°F (5°C) | 53°F (11°C) | 3.8" | 2.2 | 0.2 |
| November | 53°F (11°C) | 38°F (3°C) | 45°F (7°C) | 6.5" | 7.2 | 0.0 |
| December | 46°F (8°C) | 34°F (1°C) | 40°F (4°C) | 7.2" | 13.7 | 0.0 |
Monthly Precipitation
Average monthly rainfall
January 6.2"
19.8 days with precipitation
February 4.7"
16.0 days with precipitation
March 5.6"
18.2 days with precipitation
April 4.5"
16.5 days with precipitation
May 3.5"
11.8 days with precipitation
June 2.1"
6.0 days with precipitation
July 0.4"
1.8 days with precipitation
August 0.6"
2.5 days with precipitation
September 1.8"
4.3 days with precipitation
October 3.8"
12.1 days with precipitation
November 6.5"
18.0 days with precipitation
December 7.2"
19.7 days with precipitation
Frost Dates & Growing Season
First Fall Freeze
October 28
50% probability date
Last Spring Freeze
April 16
50% probability date
Growing Season
195 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
4,933
Higher = more heating needed
Cooling Degree Days
200
Higher = more cooling needed
Warmest Month
July
Coldest Month
December
What Dorena's climate means for you
Dorena runs 52°F a year - peaking in July, coldest in December.
- Gardeners get about 195 frost-free days, with the last spring freeze near April 16 - plan the planting calendar around it, not the regional average.
- Energy bills track 4,933 heating and 200 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: Dorena, OR
An annual average temperature of 52°F, ranging from a mean daily high of 63°F to a mean daily low of 41°F is what the NOAA 1991–2020 climate normals report for Dorena, Oregon. July is typically the warmest month of the year, while December is the coldest. That baseline comes from station USC00352374 and thirty years of averaging, so it reflects a typical month rather than any one year's swings.
Beyond temperature, Dorena averages 46.5 inches of precipitation annually, predominantly as rainfall - a real factor for anyone planning to live, garden, or travel here. The frost-free season averages 195 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near April 16 and the first fall freeze near October 28. Turning to energy use, 4,933 heating degree days and 200 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Dorena scores 68/100 (Good), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. The monthly tables above are the practical planning tool: mild highs and lows land in the shoulder seasons, July-driven heat peaks in summer, and December-driven cold sets in over deep winter. These are thirty-year averages, not a forecast - any single year can run warmer, wetter, drier, or cooler than the normal.
Frequently Asked Questions
What is the average temperature in Dorena, OR? ▼
The average annual temperature in Dorena, Oregon is 52°F. The warmest month averages 82°F (28°C) and the coldest averages 34°F (1°C).
How much rain does Dorena get? ▼
Dorena receives 46.5 inches of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Dorena? ▼
Dorena has a climate comfort score of 68/100 (Good), milder than 58% of U.S. cities in the PlainClimate database.
When is the growing season in Dorena? ▼
Dorena has approximately 195 frost-free days per year, with the last spring freeze around April 16 and the first fall freeze around October 28.
How much energy does heating and cooling require in Dorena? ▼
Dorena has 4,933 heating degree days and 200 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 Dorena climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00352374 near Dorena.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00352374. 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.