Climate Comfort Score
43/100
Moderate
NOAA 1991–2020 normals 48°F annual avg Public-domain federal data
Annette Island, AK Climate
Explore average temperature, rainfall, and comfort score sourced from NOAA NCEI's 1991–2020 climate normals →
- 48°F
- Avg annual temp
- 43/100
- Comfort score
- 103.5"
- Annual precip
- 210d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Annette Island
Annette Island, Alaska averages 48°F a year and scores 43/100 on the comfort index - moderate, milder than 8% of U.S. cities.
- 48°F
- yearly average temperature, NOAA normal
- 43/100
- comfort score, milder than 8% of U.S. cities
- 103.5"
- annual precipitation · 35" snow
- 210 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
48°F (9°C)
Avg High
54°F
Avg Low
42°F
Annual Precip
103.5"
Annual Snow
34.8"
Comfort Score
43/100
Moderate
Avg Annual Temperature
48°F
30-year mean (NOAA NCEI)
Annual Precipitation
103.5"
Plus 34.8" of snow
Comfort score vs national 100-point ceiling (Annette Island) 43.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Moderate for the Annette Island area.
How Annette Island compares to every U.S. city
Annette Island's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
43 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 Annette Island
MethodologyThe chart below traces how the U.S. land temperature anomaly has moved against the global mean since 1900. For Annette Island, the NOAA 1991-2020 normal captures average conditions across that spread - notably, the most recent decade runs warmer than the 30-year mean itself.
- 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) | 33°F (0°C) | 38°F (3°C) | 10.4" | 7.0" | 14.1 | 0.0 |
| February | 44°F (7°C) | 33°F (0°C) | 38°F (3°C) | 7.7" | 7.3" | 13.9 | 0.0 |
| March | 46°F (8°C) | 34°F (1°C) | 40°F (5°C) | 7.9" | 7.8" | 12.0 | 0.0 |
| April | 52°F (11°C) | 39°F (4°C) | 45°F (7°C) | 7.2" | 1.0" | 3.0 | 0.0 |
| May | 59°F (15°C) | 45°F (7°C) | 52°F (11°C) | 5.5" | 0.0" | 0.1 | 0.0 |
| June | 63°F (17°C) | 50°F (10°C) | 56°F (14°C) | 5.1" | 0.0" | 0.0 | 0.1 |
| July | 66°F (19°C) | 54°F (12°C) | 60°F (15°C) | 5.2" | 0.0" | 0.0 | 0.0 |
| August | 66°F (19°C) | 54°F (12°C) | 60°F (16°C) | 7.9" | 0.0" | 0.0 | 0.0 |
| September | 61°F (16°C) | 49°F (10°C) | 55°F (13°C) | 10.2" | 0.0" | 0.0 | 0.0 |
| October | 54°F (12°C) | 42°F (6°C) | 48°F (9°C) | 12.9" | 0.0" | 1.9 | 0.0 |
| November | 47°F (8°C) | 37°F (3°C) | 42°F (5°C) | 12.6" | 3.6" | 8.8 | 0.0 |
| December | 43°F (6°C) | 34°F (1°C) | 38°F (3°C) | 11.0" | 8.1" | 14.0 | 0.0 |
Monthly Precipitation
Average monthly rainfall and snowfall
January 10.4"
Snow: 7.0"
21.9 days with precipitation
February 7.7"
Snow: 7.3"
17.9 days with precipitation
March 7.9"
Snow: 7.8"
22.0 days with precipitation
April 7.2"
Snow: 1.0"
19.1 days with precipitation
May 5.5"
15.3 days with precipitation
June 5.1"
15.5 days with precipitation
July 5.2"
15.4 days with precipitation
August 7.9"
15.8 days with precipitation
September 10.2"
19.5 days with precipitation
October 12.9"
22.5 days with precipitation
November 12.6"
Snow: 3.6"
23.3 days with precipitation
December 11.0"
Snow: 8.1"
23.2 days with precipitation
Frost Dates & Growing Season
First Fall Freeze
October 31
50% probability date
Last Spring Freeze
April 4
50% probability date
Growing Season
210 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
6,325
Higher = more heating needed
Cooling Degree Days
28
Higher = more cooling needed
Warmest Month
August
Coldest Month
January
What Annette Island's climate means for you
Annette Island runs 48°F a year - peaking in August, coldest in January.
- Gardeners get about 210 frost-free days, with the last spring freeze near April 4 - plan the planting calendar around it, not the regional average.
- Energy bills track 6,325 heating and 28 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: Annette Island, AK
Based on station USW00025308 feeding NOAA's 1991–2020 climate normals, Annette Island, Alaska averages 48°F a year, ranging from a mean daily high of 54°F to a mean daily low of 42°F. August is typically the warmest month of the year, while January 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.
Beyond temperature, Annette Island averages 103.5 inches of precipitation annually, with 34.8 inches typically falling as snow - a real factor for anyone planning to live, garden, or travel here. The frost-free season averages 210 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near April 4 and the first fall freeze near October 31. Turning to energy use, 6,325 heating degree days and 28 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Annette Island scores 43/100 (Moderate), 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, August-driven heat peaks in summer, and January-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 Annette Island, AK? ▼
The average annual temperature in Annette Island, Alaska is 48°F. The warmest month averages 66°F (19°C) and the coldest averages 33°F (0°C).
How much rain does Annette Island get? ▼
Annette Island receives 103.5 inches of precipitation annually, including 34.8 inches of snow. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Annette Island? ▼
Annette Island has a climate comfort score of 43/100 (Moderate), milder than 8% of U.S. cities in the PlainClimate database.
When is the growing season in Annette Island? ▼
Annette Island has approximately 210 frost-free days per year, with the last spring freeze around April 4 and the first fall freeze around October 31.
How much energy does heating and cooling require in Annette Island? ▼
Annette Island has 6,325 heating degree days and 28 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 Annette Island climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USW00025308 near Annette Island.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USW00025308. 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.