Climate Comfort Score
44/100
Moderate
NOAA 1991–2020 normals 39°F annual avg Public-domain federal data
Cold Bay, AK Climate
Temperature, precipitation, and comfort score from NOAA NCEI 1991–2020 normals →
- 39°F
- Avg annual temp
- 44/100
- Comfort score
- 42.7"
- Annual precip
- 132d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Cold Bay
Cold Bay, Alaska averages 39°F a year and scores 44/100 on the comfort index - moderate, milder than 8% of U.S. cities.
- 39°F
- average temperature, NOAA 1991-2020 normal
- 44/100
- comfort score, milder than 8% of U.S. cities
- 42.7"
- annual precipitation · 67" snow
- 132 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
39°F (4°C)
Avg High
44°F
Avg Low
34°F
Annual Precip
42.7"
Annual Snow
67.3"
Comfort Score
44/100
Moderate
Avg Annual Temperature
39°F
30-year mean (NOAA NCEI)
Annual Precipitation
42.7"
Plus 67.3" of snow
Comfort score vs national 100-point ceiling (Cold Bay) 44.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Moderate for the Cold Bay area.
How Cold Bay compares to every U.S. city
Cold Bay's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
44 Top 92% higher than 8% 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 Cold Bay
MethodologyHow the U.S. land temperature anomaly tracks against the global mean since 1900. The current NOAA 1991-2020 normal for Cold Bay captures average conditions across the spread shown, the most recent decade is 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 | Snow | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|---|
| January | 33°F (1°C) | 24°F (-5°C) | 28°F (-2°C) | 3.4" | 12.6" | 24.2 | 0.0 |
| February | 35°F (2°C) | 26°F (-4°C) | 30°F (-1°C) | 3.2" | 10.0" | 21.1 | 0.0 |
| March | 35°F (2°C) | 24°F (-4°C) | 30°F (-1°C) | 3.0" | 12.8" | 24.8 | 0.0 |
| April | 40°F (5°C) | 30°F (-1°C) | 35°F (2°C) | 2.7" | 6.4" | 19.3 | 0.0 |
| May | 47°F (8°C) | 36°F (2°C) | 41°F (5°C) | 2.6" | 1.2" | 8.3 | 0.0 |
| June | 52°F (11°C) | 42°F (6°C) | 47°F (8°C) | 2.7" | 0.0" | 0.5 | 0.0 |
| July | 56°F (13°C) | 47°F (8°C) | 52°F (11°C) | 2.5" | 0.0" | 0.0 | 0.0 |
| August | 57°F (14°C) | 48°F (9°C) | 53°F (11°C) | 3.7" | 0.0" | 0.0 | 0.0 |
| September | 53°F (12°C) | 43°F (6°C) | 48°F (9°C) | 4.5" | 0.0" | 0.7 | 0.0 |
| October | 47°F (8°C) | 36°F (2°C) | 41°F (5°C) | 4.9" | 2.0" | 7.7 | 0.0 |
| November | 40°F (4°C) | 31°F (-1°C) | 35°F (2°C) | 5.0" | 8.2" | 18.2 | 0.0 |
| December | 36°F (2°C) | 26°F (-3°C) | 31°F (-1°C) | 4.4" | 14.1" | 23.2 | 0.0 |
Monthly Precipitation
Average monthly rainfall and snowfall
January 3.4"
Snow: 12.6"
20.5 days with precipitation
February 3.2"
Snow: 10.0"
20.1 days with precipitation
March 3.0"
Snow: 12.8"
19.4 days with precipitation
April 2.7"
Snow: 6.4"
18.9 days with precipitation
May 2.6"
Snow: 1.2"
17.8 days with precipitation
June 2.7"
17.4 days with precipitation
July 2.5"
19.8 days with precipitation
August 3.7"
21.3 days with precipitation
September 4.5"
22.6 days with precipitation
October 4.9"
Snow: 2.0"
24.8 days with precipitation
November 5.0"
Snow: 8.2"
24.4 days with precipitation
December 4.4"
Snow: 14.1"
23.4 days with precipitation
Frost Dates & Growing Season
First Fall Freeze
October 4
50% probability date
Last Spring Freeze
May 25
50% probability date
Growing Season
132 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
9,363
Higher = more heating needed
Cooling Degree Days
0
Higher = more cooling needed
Warmest Month
August
Coldest Month
January
Humidity & Wind
Monthly averages from hourly observations
| Month | Humidity | Wind (mph) | Clear Sky % | Overcast % |
|---|---|---|---|---|
| January | 84% | 17.1 | 8% | 57% |
| February | 84% | 16.6 | 11% | 57% |
| March | 81% | 16.7 | 9% | 59% |
| April | 82% | 15.2 | 6% | 69% |
| May | 83% | 15.1 | 4% | 72% |
| June | 87% | 14.9 | 3% | 76% |
| July | 89% | 14.4 | 2% | 81% |
| August | 88% | 14.8 | 2% | 77% |
| September | 83% | 16.3 | 3% | 61% |
| October | 83% | 16.5 | 5% | 58% |
| November | 84% | 17.4 | 8% | 59% |
| December | 84% | 16.1 | 11% | 57% |
What Cold Bay's climate means for you
Cold Bay runs 39°F a year - peaking in August, coldest in January.
- Gardeners get about 132 frost-free days, with the last spring freeze near May 25 - plan the planting calendar around it, not the regional average.
- Energy bills track 9,363 heating and 0 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: Cold Bay, AK
An annual average temperature of 39°F, ranging from a mean daily high of 44°F to a mean daily low of 34°F is what the NOAA 1991–2020 climate normals report for Cold Bay, Alaska. August is typically the warmest month of the year, while January is the coldest. That baseline comes from station USW00025624 and thirty years of averaging, so it reflects a typical month rather than any one year's swings.
Cold Bay averages 42.7 inches of precipitation a year, with 67.3 inches typically falling as snow, and that matters as much to daily life here as temperature does. The frost-free season averages 132 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near May 25 and the first fall freeze near October 4. As for energy demand, 9,363 heating degree days and 0 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Cold Bay scores 44/100 (Moderate), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. For planning purposes, look to the monthly tables above: shoulder seasons bring the mildest highs and lows, summer brings August-driven heat, and deep winter brings January-driven cold. Treat every figure here as a thirty-year average rather than a forecast - individual years routinely run warmer, cooler, wetter, or drier than the normal.
Frequently Asked Questions
What is the average temperature in Cold Bay, AK? ▼
The average annual temperature in Cold Bay, Alaska is 39°F. The warmest month averages 57°F (14°C) and the coldest averages 24°F (-5°C).
How much rain does Cold Bay get? ▼
Cold Bay receives 42.7 inches of precipitation annually, including 67.3 inches of snow. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Cold Bay? ▼
Cold Bay has a climate comfort score of 44/100 (Moderate), milder than 8% of U.S. cities in the PlainClimate database.
When is the growing season in Cold Bay? ▼
Cold Bay has approximately 132 frost-free days per year, with the last spring freeze around May 25 and the first fall freeze around October 4.
How much energy does heating and cooling require in Cold Bay? ▼
Cold Bay has 9,363 heating degree days and 0 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 Cold Bay climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USW00025624 near Cold Bay.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USW00025624. 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.