Climate Comfort Score
37/100
Below Average
NOAA 1991–2020 normals 30°F annual avg Public-domain federal data
Mccarthy, AK Climate
Explore average temperature, rainfall, and comfort score sourced from NOAA NCEI's 1991–2020 climate normals →
- 30°F
- Avg annual temp
- 37/100
- Comfort score
- 17.7"
- Annual precip
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Mccarthy
Mccarthy, Alaska averages 30°F a year and scores 37/100 on the comfort index - below average, milder than 3% of U.S. cities.
- 30°F
- average temperature, NOAA 1991-2020 normal
- 37/100
- comfort score, milder than 3% of U.S. cities
- 17.7"
- annual precipitation · 67" snow
Based on NOAA U.S. Climate Normals (1991–2020) - 30-year averages describing the typical year, not a forecast.
Avg Temperature
30°F (-1°C)
Avg High
42°F
Avg Low
18°F
Annual Precip
17.7"
Annual Snow
66.5"
Comfort Score
37/100
Below Average
Avg Annual Temperature
30°F
30-year mean (NOAA NCEI)
Annual Precipitation
17.7"
Plus 66.5" of snow
Comfort score vs national 100-point ceiling (Mccarthy) 37.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Below Average for the Mccarthy area.
How Mccarthy compares to every U.S. city
Mccarthy's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
37 Top 97% higher than 3% 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 Mccarthy
MethodologyZooming out from Mccarthy'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 | 6°F (-14°C) | -9°F (-23°C) | -2°F (-19°C) | 0.9" | 13.2" | 30.9 | 0.0 |
| February | 21°F (-6°C) | -1°F (-18°C) | 10°F (-12°C) | 1.1" | 7.9" | 27.9 | 0.0 |
| March | 33°F (0°C) | 4°F (-16°C) | 18°F (-8°C) | 0.4" | 5.4" | 31.0 | 0.0 |
| April | 48°F (9°C) | 22°F (-6°C) | 35°F (1°C) | 0.3" | 2.5" | 28.8 | 0.0 |
| May | 62°F (17°C) | 31°F (-1°C) | 47°F (8°C) | 0.9" | 0.6" | 20.9 | 0.0 |
| June | 70°F (21°C) | 39°F (4°C) | 54°F (12°C) | 1.6" | 0.0" | 5.6 | 0.0 |
| July | 71°F (22°C) | 43°F (6°C) | 57°F (14°C) | 2.5" | 0.0" | 0.8 | 0.0 |
| August | 67°F (19°C) | 40°F (5°C) | 54°F (12°C) | 2.6" | 0.0" | 5.3 | 0.0 |
| September | 56°F (13°C) | 33°F (1°C) | 44°F (7°C) | 2.6" | 2.7" | 16.1 | 0.0 |
| October | 39°F (4°C) | 20°F (-7°C) | 29°F (-1°C) | 2.2" | 9.4" | 28.4 | 0.0 |
| November | 17°F (-8°C) | 2°F (-17°C) | 10°F (-12°C) | 1.4" | 13.5" | 29.8 | 0.0 |
| December | 9°F (-13°C) | -4°F (-20°C) | 2°F (-16°C) | 1.1" | 11.3" | 30.8 | 0.0 |
Monthly Precipitation
Average monthly rainfall and snowfall
January 0.9"
Snow: 13.2"
8.7 days with precipitation
February 1.1"
Snow: 7.9"
7.1 days with precipitation
March 0.4"
Snow: 5.4"
4.7 days with precipitation
April 0.3"
Snow: 2.5"
2.8 days with precipitation
May 0.9"
Snow: 0.6"
7.0 days with precipitation
June 1.6"
11.3 days with precipitation
July 2.5"
14.0 days with precipitation
August 2.6"
16.4 days with precipitation
September 2.6"
Snow: 2.7"
15.4 days with precipitation
October 2.2"
Snow: 9.4"
11.2 days with precipitation
November 1.4"
Snow: 13.5"
10.1 days with precipitation
December 1.1"
Snow: 11.3"
9.3 days with precipitation
Frost Dates & Growing Season
First Fall Freeze
N/A
50% probability date
Last Spring Freeze
N/A
50% probability date
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
12,788
Higher = more heating needed
Cooling Degree Days
1
Higher = more cooling needed
Warmest Month
July
Coldest Month
January
What Mccarthy's climate means for you
Mccarthy runs 30°F a year - peaking in July, coldest in January.
- Energy bills track 12,788 heating and 1 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: Mccarthy, AK
In Mccarthy, Alaska, the NOAA 1991–2020 climate normals put the annual average temperature at 30°F, ranging from a mean daily high of 42°F to a mean daily low of 18°F. July is typically the warmest month of the year, while January is the coldest. As thirty-year averages computed from station USC00505757, these numbers smooth out year-to-year noise into a working baseline for a typical month.
Mccarthy averages 17.7 inches of precipitation a year, with 66.5 inches typically falling as snow, and that matters as much to daily life here as temperature does. Growing-season length varies with elevation and microclimate. As for energy demand, 12,788 heating degree days and 1 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Mccarthy scores 37/100 (Below Average), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. Shoulder seasons bring the mildest highs and lows in the monthly tables above, summer brings July-driven heat, and winter brings January-driven cold - use that rhythm for planning. These figures are thirty-year averages rather than forecasts, so a specific year may still run warmer, cooler, wetter, or drier than what's shown.
Frequently Asked Questions
What is the average temperature in Mccarthy, AK? ▼
The average annual temperature in Mccarthy, Alaska is 30°F. The warmest month averages 71°F (22°C) and the coldest averages -9°F (-23°C).
How much rain does Mccarthy get? ▼
Mccarthy receives 17.7 inches of precipitation annually, including 66.5 inches of snow. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Mccarthy? ▼
Mccarthy has a climate comfort score of 37/100 (Below Average), milder than 3% of U.S. cities in the PlainClimate database.
When is the growing season in Mccarthy? ▼
Growing season data is not available for Mccarthy.
How much energy does heating and cooling require in Mccarthy? ▼
Mccarthy has 12,788 heating degree days and 1 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 Mccarthy climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00505757 near Mccarthy.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00505757. 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.