Climate Comfort Score
63/100
Good
NOAA 1991–2020 normals 49°F annual avg Public-domain federal data
- 49°F
- Avg annual temp
- 63/100
- Comfort score
- 16.9"
- Annual precip
- 182d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Sequim
Sequim, Washington averages 49°F a year and scores 63/100 on the comfort index - good, milder than 47% of U.S. cities.
- 49°F
- average temperature, NOAA 1991-2020 normal
- 63/100
- comfort score, milder than 47% of U.S. cities
- 16.9"
- annual precipitation · 1" snow
- 182 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
49°F (9°C)
Avg High
57°F
Avg Low
40°F
Annual Precip
16.9"
Annual Snow
1.4"
Comfort Score
63/100
Good
Avg Annual Temperature
49°F
30-year mean (NOAA NCEI)
Annual Precipitation
16.9"
Plus 1.4" of snow
Comfort score vs national 100-point ceiling (Sequim) 63.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Good for the Sequim area.
How Sequim compares to every U.S. city
Sequim's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
63 Top 53% higher than 47% 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 Sequim
MethodologyZooming out from Sequim'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 | 46°F (8°C) | 32°F (0°C) | 39°F (4°C) | 2.2" | 0.0" | 16.5 | 0.0 |
| February | 48°F (9°C) | 32°F (0°C) | 40°F (4°C) | 1.4" | 0.0" | 16.5 | 0.0 |
| March | 51°F (11°C) | 35°F (1°C) | 43°F (6°C) | 1.5" | 0.0" | 12.7 | 0.0 |
| April | 56°F (13°C) | 38°F (3°C) | 47°F (8°C) | 1.2" | 0.0" | 6.1 | 0.0 |
| May | 62°F (16°C) | 44°F (7°C) | 53°F (12°C) | 1.2" | 0.0" | 0.8 | 0.0 |
| June | 65°F (19°C) | 49°F (9°C) | 57°F (14°C) | 0.9" | 0.0" | 0.0 | 0.0 |
| July | 70°F (21°C) | 52°F (11°C) | 61°F (16°C) | 0.5" | 0.0" | 0.0 | 0.1 |
| August | 70°F (21°C) | 51°F (11°C) | 61°F (16°C) | 0.6" | 0.0" | 0.0 | 0.1 |
| September | 66°F (19°C) | 46°F (8°C) | 56°F (13°C) | 0.9" | 0.0" | 0.1 | 0.0 |
| October | 58°F (14°C) | 40°F (4°C) | 49°F (9°C) | 1.6" | 0.0" | 3.8 | 0.0 |
| November | 50°F (10°C) | 35°F (1°C) | 43°F (6°C) | 2.6" | 0.0" | 13.4 | 0.0 |
| December | 46°F (8°C) | 32°F (0°C) | 39°F (4°C) | 2.3" | 1.4" | 18.9 | 0.0 |
Monthly Precipitation
Average monthly rainfall and snowfall
January 2.2"
16.2 days with precipitation
February 1.4"
13.5 days with precipitation
March 1.5"
14.5 days with precipitation
April 1.2"
12.4 days with precipitation
May 1.2"
10.7 days with precipitation
June 0.9"
8.8 days with precipitation
July 0.5"
4.8 days with precipitation
August 0.6"
5.2 days with precipitation
September 0.9"
8.6 days with precipitation
October 1.6"
13.2 days with precipitation
November 2.6"
16.7 days with precipitation
December 2.3"
Snow: 1.4"
16.7 days with precipitation
Frost Dates & Growing Season
First Fall Freeze
October 20
50% probability date
Last Spring Freeze
April 21
50% probability date
Growing Season
182 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
5,887
Higher = more heating needed
Cooling Degree Days
21
Higher = more cooling needed
Warmest Month
July
Coldest Month
December
What Sequim's climate means for you
Sequim runs 49°F a year - peaking in July, coldest in December.
- Gardeners get about 182 frost-free days, with the last spring freeze near April 21 - plan the planting calendar around it, not the regional average.
- Energy bills track 5,887 heating and 21 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: Sequim, WA
Based on station USC00457544 feeding NOAA's 1991–2020 climate normals, Sequim, Washington averages 49°F a year, ranging from a mean daily high of 57°F to a mean daily low of 40°F. July is typically the warmest month of the year, while December is the coldest. Because these figures are thirty-year averages rather than any single year's readings, they describe the typical month, not a forecast for it.
Sequim averages 16.9 inches of precipitation a year, with 1.4 inches typically falling as snow, and that matters as much to daily life here as temperature does. The frost-free season averages 182 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near April 21 and the first fall freeze near October 20. As for energy demand, 5,887 heating degree days and 21 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Sequim scores 63/100 (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 Sequim, WA? ▼
The average annual temperature in Sequim, Washington is 49°F. The warmest month averages 70°F (21°C) and the coldest averages 32°F (0°C).
How much rain does Sequim get? ▼
Sequim receives 16.9 inches of precipitation annually, including 1.4 inches of snow. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Sequim? ▼
Sequim has a climate comfort score of 63/100 (Good), milder than 47% of U.S. cities in the PlainClimate database.
When is the growing season in Sequim? ▼
Sequim has approximately 182 frost-free days per year, with the last spring freeze around April 21 and the first fall freeze around October 20.
How much energy does heating and cooling require in Sequim? ▼
Sequim has 5,887 heating degree days and 21 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 Sequim climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00457544 near Sequim.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00457544. 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.