Climate Comfort Score
44/100
Moderate
NOAA 1991–2020 normals 36°F annual avg Public-domain federal data
ST Paul Island, AK Climate
Average temperature, precipitation, and a comfort score, drawn from NOAA NCEI 1991–2020 normals →
- 36°F
- Avg annual temp
- 44/100
- Comfort score
- 24.3"
- Annual precip
- 116d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for ST Paul Island
ST Paul Island, Alaska averages 36°F a year and scores 44/100 on the comfort index - moderate, milder than 8% of U.S. cities.
- 36°F
- average temperature, NOAA 1991-2020 normal
- 44/100
- comfort score, milder than 8% of U.S. cities
- 24.3"
- annual precipitation · 64" snow
- 116 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
36°F (2°C)
Avg High
40°F
Avg Low
32°F
Annual Precip
24.3"
Annual Snow
64.3"
Comfort Score
44/100
Moderate
Avg Annual Temperature
36°F
30-year mean (NOAA NCEI)
Annual Precipitation
24.3"
Plus 64.3" of snow
Comfort score vs national 100-point ceiling (ST Paul Island) 44.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Moderate for the ST Paul Island area.
How ST Paul Island compares to every U.S. city
ST Paul Island'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 ST Paul Island
MethodologySince 1900, U.S. land temperatures have tracked (and diverged from) the global mean - the chart below shows how. ST Paul Island's current NOAA 1991-2020 normal sits within that longer spread, and the most recent decade runs 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 | 29°F (-2°C) | 21°F (-6°C) | 25°F (-4°C) | 1.6" | 16.5" | 26.8 | 0.0 |
| February | 29°F (-1°C) | 21°F (-6°C) | 25°F (-4°C) | 1.4" | 11.1" | 24.6 | 0.0 |
| March | 30°F (-1°C) | 21°F (-6°C) | 25°F (-4°C) | 1.3" | 9.6" | 28.6 | 0.0 |
| April | 34°F (1°C) | 26°F (-3°C) | 30°F (-1°C) | 1.0" | 5.3" | 24.9 | 0.0 |
| May | 41°F (5°C) | 32°F (0°C) | 37°F (3°C) | 1.0" | 0.8" | 15.3 | 0.0 |
| June | 48°F (9°C) | 39°F (4°C) | 43°F (6°C) | 1.3" | 0.0" | 2.1 | 0.0 |
| July | 52°F (11°C) | 44°F (7°C) | 48°F (9°C) | 2.0" | 0.0" | 0.2 | 0.0 |
| August | 53°F (12°C) | 46°F (8°C) | 50°F (10°C) | 3.1" | 0.0" | 0.1 | 0.0 |
| September | 50°F (10°C) | 42°F (5°C) | 46°F (8°C) | 3.0" | 0.0" | 1.8 | 0.0 |
| October | 44°F (6°C) | 35°F (2°C) | 40°F (4°C) | 3.3" | 1.6" | 9.4 | 0.0 |
| November | 38°F (3°C) | 30°F (-1°C) | 34°F (1°C) | 3.0" | 7.1" | 18.2 | 0.0 |
| December | 33°F (1°C) | 25°F (-4°C) | 29°F (-2°C) | 2.3" | 12.3" | 24.4 | 0.0 |
Monthly Precipitation
Average monthly rainfall and snowfall
January 1.6"
Snow: 16.5"
17.2 days with precipitation
February 1.4"
Snow: 11.1"
16.3 days with precipitation
March 1.3"
Snow: 9.6"
14.0 days with precipitation
April 1.0"
Snow: 5.3"
12.2 days with precipitation
May 1.0"
Snow: 0.8"
12.3 days with precipitation
June 1.3"
11.4 days with precipitation
July 2.0"
14.1 days with precipitation
August 3.1"
17.8 days with precipitation
September 3.0"
19.5 days with precipitation
October 3.3"
Snow: 1.6"
22.5 days with precipitation
November 3.0"
Snow: 7.1"
23.0 days with precipitation
December 2.3"
Snow: 12.3"
21.5 days with precipitation
Frost Dates & Growing Season
First Fall Freeze
September 28
50% probability date
Last Spring Freeze
June 4
50% probability date
Growing Season
116 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
10,585
Higher = more heating needed
Cooling Degree Days
0
Higher = more cooling needed
Warmest Month
August
Coldest Month
March
Humidity & Wind
Monthly averages from hourly observations
| Month | Humidity | Wind (mph) | Clear Sky % | Overcast % |
|---|---|---|---|---|
| January | 84% | 19.4 | N/A | N/A |
| February | 85% | 17.7 | 9% | 58% |
| March | 84% | 16.8 | N/A | N/A |
| April | 86% | 14.4 | N/A | N/A |
| May | 89% | 13.2 | N/A | N/A |
| June | 92% | 11.8 | N/A | N/A |
| July | 93% | 11.1 | N/A | N/A |
| August | 91% | 13.3 | N/A | N/A |
| September | 84% | 15.6 | N/A | N/A |
| October | 82% | 16.9 | N/A | N/A |
| November | 81% | 18.1 | N/A | N/A |
| December | 82% | 18.0 | N/A | N/A |
What ST Paul Island's climate means for you
ST Paul Island runs 36°F a year - peaking in August, coldest in March.
- Gardeners get about 116 frost-free days, with the last spring freeze near June 4 - plan the planting calendar around it, not the regional average.
- Energy bills track 10,585 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: ST Paul Island, AK
The NOAA 1991–2020 climate normals describe ST Paul Island, Alaska as a location with an annual average temperature of 36°F, ranging from a mean daily high of 40°F to a mean daily low of 32°F. August is typically the warmest month of the year, while March is the coldest. These thirty-year averages, computed from station USW00025713, smooth out year-to-year variability and give a baseline expectation for typical conditions in any given month.
ST Paul Island averages 24.3 inches of precipitation a year, with 64.3 inches typically falling as snow, and that matters as much to daily life here as temperature does. The frost-free season averages 116 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near June 4 and the first fall freeze near September 28. As for energy demand, 10,585 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, ST Paul Island scores 44/100 (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 August-driven heat, or deep winter for March-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 ST Paul Island, AK? ▼
The average annual temperature in ST Paul Island, Alaska is 36°F. The warmest month averages 53°F (12°C) and the coldest averages 21°F (-6°C).
How much rain does ST Paul Island get? ▼
ST Paul Island receives 24.3 inches of precipitation annually, including 64.3 inches of snow. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for ST Paul Island? ▼
ST Paul Island 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 ST Paul Island? ▼
ST Paul Island has approximately 116 frost-free days per year, with the last spring freeze around June 4 and the first fall freeze around September 28.
How much energy does heating and cooling require in ST Paul Island? ▼
ST Paul Island has 10,585 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 ST Paul Island climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USW00025713 near ST Paul Island.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USW00025713. 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.