Climate Comfort Score
58/100
Moderate
NOAA 1991–2020 normals 54°F annual avg Public-domain federal data
The Dalles, OR Climate
Annual temperature, rainfall, and a comfort score, sourced from NOAA NCEI's 1991–2020 normals →
- 54°F
- Avg annual temp
- 58/100
- Comfort score
- 14.0"
- Annual precip
- 192d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for The Dalles
The Dalles, Oregon averages 54°F a year and scores 58/100 on the comfort index - moderate, milder than 38% of U.S. cities.
- 54°F
- yearly average temperature, NOAA normal
- 58/100
- comfort score, milder than 38% of U.S. cities
- 14.0"
- annual precipitation · 6" snow
- 192 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
54°F (12°C)
Avg High
66°F
Avg Low
42°F
Annual Precip
14.0"
Annual Snow
5.5"
Comfort Score
58/100
Moderate
Avg Annual Temperature
54°F
30-year mean (NOAA NCEI)
Annual Precipitation
14.0"
Plus 5.5" of snow
Comfort score vs national 100-point ceiling (The Dalles) 58.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Moderate for the The Dalles area.
How The Dalles compares to every U.S. city
The Dalles's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
58 Top 62% higher than 38% 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 The Dalles
MethodologyZooming out from The Dalles's own normal, the chart below shows how the U.S. land temperature anomaly has tracked the global mean since 1900 - the most recent decade sits warmer than the 30-year mean shown here.
- 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 | 43°F (6°C) | 29°F (-2°C) | 36°F (2°C) | 2.5" | 1.9" | 18.2 | 0.0 |
| February | 49°F (10°C) | 30°F (-1°C) | 40°F (4°C) | 1.6" | 0.8" | 17.3 | 0.0 |
| March | 57°F (14°C) | 34°F (1°C) | 46°F (8°C) | 1.3" | 0.1" | 11.0 | 0.0 |
| April | 65°F (18°C) | 39°F (4°C) | 52°F (11°C) | 1.0" | 0.0" | 3.7 | 0.0 |
| May | 73°F (23°C) | 47°F (8°C) | 60°F (16°C) | 0.8" | 0.0" | 0.1 | 2.0 |
| June | 79°F (26°C) | 53°F (12°C) | 66°F (19°C) | 0.4" | 0.0" | 0.0 | 4.6 |
| July | 88°F (31°C) | 58°F (15°C) | 73°F (23°C) | 0.1" | 0.0" | 0.0 | 14.2 |
| August | 89°F (31°C) | 57°F (14°C) | 73°F (23°C) | 0.2" | 0.0" | 0.0 | 13.7 |
| September | 81°F (27°C) | 49°F (10°C) | 65°F (18°C) | 0.3" | 0.0" | 0.2 | 6.9 |
| October | 67°F (20°C) | 40°F (4°C) | 53°F (12°C) | 1.1" | 0.0" | 3.9 | 0.1 |
| November | 52°F (11°C) | 33°F (1°C) | 42°F (6°C) | 1.9" | 0.7" | 11.8 | 0.0 |
| December | 43°F (6°C) | 29°F (-1°C) | 36°F (2°C) | 2.9" | 2.0" | 19.1 | 0.0 |
Monthly Precipitation
Average monthly rainfall and snowfall
January 2.5"
Snow: 1.9"
12.3 days with precipitation
February 1.6"
Snow: 0.8"
9.5 days with precipitation
March 1.3"
Snow: 0.1"
10.4 days with precipitation
April 1.0"
7.8 days with precipitation
May 0.8"
6.4 days with precipitation
June 0.4"
3.2 days with precipitation
July 0.1"
0.9 days with precipitation
August 0.2"
1.8 days with precipitation
September 0.3"
2.3 days with precipitation
October 1.1"
8.1 days with precipitation
November 1.9"
Snow: 0.7"
12.4 days with precipitation
December 2.9"
Snow: 2.0"
11.4 days with precipitation
Frost Dates & Growing Season
First Fall Freeze
October 23
50% probability date
Last Spring Freeze
April 14
50% probability date
Growing Season
192 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
4,890
Higher = more heating needed
Cooling Degree Days
738
Higher = more cooling needed
Warmest Month
July
Coldest Month
January
What The Dalles's climate means for you
The Dalles runs 54°F a year - peaking in July, coldest in January.
- Gardeners get about 192 frost-free days, with the last spring freeze near April 14 - plan the planting calendar around it, not the regional average.
- Energy bills track 4,890 heating and 738 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: The Dalles, OR
The NOAA 1991–2020 climate normals describe The Dalles, Oregon as a location with an annual average temperature of 54°F, ranging from a mean daily high of 66°F to a mean daily low of 42°F. July is typically the warmest month of the year, while January is the coldest. These thirty-year averages, computed from station USC00358407, smooth out year-to-year variability and give a baseline expectation for typical conditions in any given month.
Beyond temperature, The Dalles averages 14.0 inches of precipitation annually, with 5.5 inches typically falling as snow - a real factor for anyone planning to live, garden, or travel here. The frost-free season averages 192 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near April 14 and the first fall freeze near October 23. Turning to energy use, 4,890 heating degree days and 738 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, The Dalles scores 58/100 (Moderate), 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 January-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 The Dalles, OR? ▼
The average annual temperature in The Dalles, Oregon is 54°F. The warmest month averages 89°F (31°C) and the coldest averages 29°F (-2°C).
How much rain does The Dalles get? ▼
The Dalles receives 14.0 inches of precipitation annually, including 5.5 inches of snow. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for The Dalles? ▼
The Dalles has a climate comfort score of 58/100 (Moderate), milder than 38% of U.S. cities in the PlainClimate database.
When is the growing season in The Dalles? ▼
The Dalles has approximately 192 frost-free days per year, with the last spring freeze around April 14 and the first fall freeze around October 23.
How much energy does heating and cooling require in The Dalles? ▼
The Dalles has 4,890 heating degree days and 738 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 The Dalles climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00358407 near The Dalles.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00358407. 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.