PlainClimate
NOAA 1991–2020 normals 56°F annual avg Public-domain federal data

Roseburg Rgnl, OR Climate

Average temperature, precipitation, and a comfort score, drawn from NOAA NCEI 1991–2020 normals →

56°F
Avg annual temp
82/100
Comfort score
32.1"
Annual precip
246d
Growing season

30-year climate normals from 1 weather station (1991-2020).

The climate verdict for Roseburg Rgnl

Roseburg Rgnl, Oregon averages 56°F a year and scores 82/100 on the comfort index - excellent, milder than 83% of U.S. cities.

56°F
average temperature, NOAA 1991-2020 normal
82/100
comfort score, milder than 83% of U.S. cities
32.1"
yearly precipitation total
246 days
growing season, frost-free days

Based on NOAA U.S. Climate Normals (1991–2020) - 30-year averages describing the typical year, not a forecast.

Avg Temperature

56°F (13°C)

Avg High

66°F

Avg Low

46°F

Annual Precip

32.1"

Comfort Score

82/100

Excellent

Climate Comfort Score

82/100

Excellent

Avg Annual Temperature

56°F

30-year mean (NOAA NCEI)

Annual Precipitation

32.1"

Liquid-equivalent total

Comfort score vs national 100-point ceiling (Roseburg Rgnl) 82.0%
National median (63)

PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Excellent for the Roseburg Rgnl area.

How Roseburg Rgnl compares to every U.S. city

Roseburg Rgnl's comfort score vs. all U.S. cities

PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals

82 Top 17% higher than 83% of 6,915 US cities

0–10: 0 US cities (0%). Below this entry. 10–20: 0 US cities (0%). Below this entry. 20–30: 58 US cities (1%). Below this entry. 30–40: 439 US cities (6%). Below this entry. 40–50: 1,302 US cities (19%). Below this entry. 50–60: 1,433 US cities (21%). Below this entry. 60–70: 1,357 US cities (20%). Below this entry. 70–80: 1,102 US cities (16%). Below this entry. 80–90: 778 US cities (11%). This entry sits in this band. 90–100: 420 US cities (6%). Above this entry. This city 0 100 every U.S. city, bucketed by value

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 Roseburg Rgnl

Methodology

Roseburg Rgnl'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.

Warming context, U.S. vs global, with Paris reference lines Anomaly chart from 1900 to 2024. Local series shows warming of 0.11 °C per decade versus a global rate of 0.11 °C per decade (ratio 1.00). Paris Agreement thresholds at 1.5 and 2.0 °C are dashed. -1.0°C -0.5°C +0.0°C +0.5°C +1.0°C +1.5°C +2.0°C +2.5°C Paris 1.5°C Paris 2.0°C 1900192019401960198020002020
  • 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
Sources: NOAA NCEI, NASA GISTEMP. Paris thresholds per IPCC AR6 WG1.

Monthly Temperatures

Average daily high and low temperatures by month

Month Avg High Avg Low Mean
January 50°F (10°C) 37°F (3°C) 44°F (6°C)
February 54°F (12°C) 38°F (3°C) 46°F (8°C)
March 59°F (15°C) 40°F (4°C) 49°F (10°C)
April 63°F (17°C) 43°F (6°C) 53°F (12°C)
May 71°F (22°C) 48°F (9°C) 60°F (15°C)
June 77°F (25°C) 53°F (11°C) 65°F (18°C)
July 86°F (30°C) 57°F (14°C) 72°F (22°C)
August 86°F (30°C) 57°F (14°C) 72°F (22°C)
September 80°F (27°C) 52°F (11°C) 66°F (19°C)
October 67°F (19°C) 45°F (7°C) 56°F (13°C)
November 54°F (12°C) 41°F (5°C) 47°F (9°C)
December 48°F (9°C) 37°F (3°C) 43°F (6°C)

Monthly Precipitation

Average monthly rainfall

January 4.8"

17.8 days with precipitation

February 3.6"

16.8 days with precipitation

March 3.5"

16.9 days with precipitation

April 2.7"

14.8 days with precipitation

May 2.1"

11.2 days with precipitation

June 0.9"

6.0 days with precipitation

July 0.3"

1.3 days with precipitation

August 0.2"

1.5 days with precipitation

September 0.8"

4.6 days with precipitation

October 2.3"

12.1 days with precipitation

November 4.7"

18.3 days with precipitation

December 6.0"

19.8 days with precipitation

Frost Dates & Growing Season

First Fall Freeze

November 20

50% probability date

Last Spring Freeze

March 19

50% probability date

Growing Season

246 days

Heating & Cooling Degree Days

Annual totals indicate energy demand for heating and cooling

Heating Degree Days

3,913

Higher = more heating needed

Cooling Degree Days

607

Higher = more cooling needed

Warmest Month

July

Coldest Month

December

What Roseburg Rgnl's climate means for you

Roseburg Rgnl runs 56°F a year - peaking in July, coldest in December.

  • Gardeners get about 246 frost-free days, with the last spring freeze near March 19 - plan the planting calendar around it, not the regional average.
  • Energy bills track 3,913 heating and 607 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: Roseburg Rgnl, OR

An annual average temperature of 56°F, ranging from a mean daily high of 66°F to a mean daily low of 46°F is what the NOAA 1991–2020 climate normals report for Roseburg Rgnl, Oregon. July is typically the warmest month of the year, while December is the coldest. That baseline comes from station USW00024231 and thirty years of averaging, so it reflects a typical month rather than any one year's swings.

Beyond temperature, Roseburg Rgnl averages 32.1 inches of precipitation annually, predominantly as rainfall - a real factor for anyone planning to live, garden, or travel here. The frost-free season averages 246 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near March 19 and the first fall freeze near November 20. Turning to energy use, 3,913 heating degree days and 607 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Roseburg Rgnl scores 82/100 (Excellent), 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 Roseburg Rgnl, OR?
The average annual temperature in Roseburg Rgnl, Oregon is 56°F. The warmest month averages 86°F (30°C) and the coldest averages 37°F (3°C).
How much rain does Roseburg Rgnl get?
Roseburg Rgnl receives 32.1 inches of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Roseburg Rgnl?
Roseburg Rgnl has a climate comfort score of 82/100 (Excellent), milder than 83% of U.S. cities in the PlainClimate database.
When is the growing season in Roseburg Rgnl?
Roseburg Rgnl has approximately 246 frost-free days per year, with the last spring freeze around March 19 and the first fall freeze around November 20.
How much energy does heating and cooling require in Roseburg Rgnl?
Roseburg Rgnl has 3,913 heating degree days and 607 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 Roseburg Rgnl climate data come from?
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USW00024231 near Roseburg Rgnl.

Data Sources

Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USW00024231. For informational purposes only.

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.