Climate Comfort Score
47/100
Moderate
2026 data Public-data reference. official source
ST Paul Island, AK Climate
Temperature, precipitation, and comfort score from NOAA NCEI 1991-2020 normals →
30-year climate normals from 1 weather station (1991-2020).
ST Paul Island, Alaska has an average annual temperature of 36°F and a climate comfort score of 47/100 (Moderate). Annual precipitation totals 24.3", including 64.3" of snow. Based on NOAA 30-year normals (1991–2020).
Avg Temperature
36°F (2°C)
Avg High
40°F
Avg Low
32°F
Annual Precip
24.3"
Annual Snow
64.3"
Comfort Score
47/100
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) 47.0%
National median (≈55)
PlainClimate composite — temperature mildness, humidity, precipitation, extreme-weather frequency. Moderate for the ST Paul Island area.
Warming context for ST Paul Island
MethodologyHow the U.S. land temperature anomaly tracks against the global mean since 1900. The current NOAA 1991-2020 normal for ST Paul Island 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 | 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
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 | N/A | N/A |
| 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 |
Related Data
PlainEnviro
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PlainAirData
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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.
Precipitation patterns matter as much as temperature for anyone planning to live, garden, or travel here. ST Paul Island receives roughly 24.3 inches of precipitation each year, with 64.3 inches typically falling as snow. Growing-season length varies with elevation and microclimate, with the last spring freeze near June 4 and the first fall freeze near September 28. For energy use, 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 47/100 (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 47/100 (Moderate). This score considers temperature mildness, humidity, precipitation, and extreme weather frequency.
When is the growing season in ST Paul Island? ▼
Growing season data is not available for ST Paul Island.
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. Higher heating degree days indicate greater winter energy demand, while higher cooling degree days indicate greater summer cooling needs.
Where does this ST Paul Island climate data come from? ▼
All climate data comes from NOAA U.S. Climate Normals v1.0.1, covering the 30-year period from 1991 to 2020. Data is collected from weather station USW00025713. These 30-year averages are the standard reference for typical weather conditions.
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
