PlainClimate
NOAA 1991–2020 normals 44°F annual avg Public-domain federal data

Alpena CO Rgnl, MI Climate

Annual temperature, rainfall, and a comfort score, sourced from NOAA NCEI's 1991–2020 normals →

44°F
Avg annual temp
44/100
Comfort score
29.7"
Annual precip
137d
Growing season

30-year climate normals from 1 weather station (1991-2020).

The climate verdict for Alpena CO Rgnl

Alpena CO Rgnl, Michigan averages 44°F a year and scores 44/100 on the comfort index - moderate, milder than 8% of U.S. cities.

44°F
annual average temperature (NOAA normal)
44/100
comfort score, milder than 8% of U.S. cities
29.7"
annual precipitation · 78" snow
137 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

44°F (7°C)

Avg High

55°F

Avg Low

34°F

Annual Precip

29.7"

Annual Snow

77.6"

Comfort Score

44/100

Moderate

Climate Comfort Score

44/100

Moderate

Avg Annual Temperature

44°F

30-year mean (NOAA NCEI)

Annual Precipitation

29.7"

Plus 77.6" of snow

Comfort score vs national 100-point ceiling (Alpena CO Rgnl) 44.0%
National median (63)

PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Moderate for the Alpena CO Rgnl area.

How Alpena CO Rgnl compares to every U.S. city

Alpena CO Rgnl'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

0–10: 0 US cities (0%). Below this entry. 10–20: 0 US cities (0%). Below this entry. 20–30: 58 US cities (1%). Below this entry. 30–40: 439 US cities (6%). Below this entry. 40–50: 1,302 US cities (19%). This entry sits in this band. 50–60: 1,433 US cities (21%). Above this entry. 60–70: 1,357 US cities (20%). Above this entry. 70–80: 1,102 US cities (16%). Above this entry. 80–90: 778 US cities (11%). Above this entry. 90–100: 420 US cities (6%). Above this entry. This city 0 100 every U.S. city, bucketed by value

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 Alpena CO Rgnl

Methodology

How the U.S. land temperature anomaly tracks against the global mean since 1900. The current NOAA 1991-2020 normal for Alpena CO Rgnl captures average conditions across the spread shown, the most recent decade is warmer than the 30-year mean.

Warming context, U.S. vs global, with Paris reference lines Anomaly chart from 1900 to 2024. Local series shows warming of 0.11 °C per decade versus a global rate of 0.11 °C per decade (ratio 1.00). Paris Agreement thresholds at 1.5 and 2.0 °C are dashed. -1.0°C -0.5°C +0.0°C +0.5°C +1.0°C +1.5°C +2.0°C +2.5°C Paris 1.5°C Paris 2.0°C 1900192019401960198020002020
  • 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
Sources: NOAA NCEI, NASA GISTEMP. Paris thresholds per IPCC AR6 WG1.

Monthly Temperatures

Average daily high and low temperatures by month

Month Avg High Avg Low Mean
January 28°F (-2°C) 12°F (-11°C) 20°F (-7°C)
February 30°F (-1°C) 11°F (-12°C) 21°F (-6°C)
March 39°F (4°C) 19°F (-7°C) 29°F (-1°C)
April 52°F (11°C) 30°F (-1°C) 41°F (5°C)
May 66°F (19°C) 41°F (5°C) 53°F (12°C)
June 76°F (24°C) 50°F (10°C) 63°F (17°C)
July 81°F (27°C) 56°F (13°C) 68°F (20°C)
August 79°F (26°C) 55°F (13°C) 67°F (19°C)
September 71°F (22°C) 47°F (8°C) 59°F (15°C)
October 58°F (14°C) 37°F (3°C) 47°F (9°C)
November 45°F (7°C) 29°F (-2°C) 37°F (3°C)
December 34°F (1°C) 20°F (-7°C) 27°F (-3°C)

Monthly Precipitation

Average monthly rainfall and snowfall

January 1.8"

Snow: 19.3"

15.6 days with precipitation

February 1.5"

Snow: 17.0"

11.8 days with precipitation

March 1.8"

Snow: 10.6"

11.0 days with precipitation

April 2.9"

Snow: 6.6"

11.5 days with precipitation

May 2.8"

Snow: 0.2"

11.7 days with precipitation

June 2.7"

10.4 days with precipitation

July 3.2"

10.9 days with precipitation

August 3.1"

9.6 days with precipitation

September 2.8"

11.2 days with precipitation

October 3.0"

Snow: 0.4"

13.9 days with precipitation

November 2.1"

Snow: 6.6"

13.8 days with precipitation

December 1.9"

Snow: 16.9"

14.0 days with precipitation

Frost Dates & Growing Season

First Fall Freeze

October 1

50% probability date

Last Spring Freeze

May 17

50% probability date

Growing Season

137 days

Heating & Cooling Degree Days

Annual totals indicate energy demand for heating and cooling

Heating Degree Days

7,844

Higher = more heating needed

Cooling Degree Days

353

Higher = more cooling needed

Warmest Month

July

Coldest Month

January

Humidity & Wind

Monthly averages from hourly observations

Month Humidity Wind (mph)
January 76% 7.8
February 74% 8.0
March 67% 8.4
April 62% 8.1
May 68% 6.9
June 70% 6.3
July 73% 5.9
August 76% 6.0
September 77% 6.9
October 76% 7.6
November 78% 8.0
December 79% 8.0

What Alpena CO Rgnl's climate means for you

Alpena CO Rgnl runs 44°F a year - peaking in July, coldest in January.

  • Gardeners get about 137 frost-free days, with the last spring freeze near May 17 - plan the planting calendar around it, not the regional average.
  • Energy bills track 7,844 heating and 353 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: Alpena CO Rgnl, MI

Based on station USW00094849 feeding NOAA's 1991–2020 climate normals, Alpena CO Rgnl, Michigan averages 44°F a year, ranging from a mean daily high of 55°F to a mean daily low of 34°F. July 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.

Alpena CO Rgnl averages 29.7 inches of precipitation a year, with 77.6 inches typically falling as snow, and that matters as much to daily life here as temperature does. The frost-free season averages 137 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near May 17 and the first fall freeze near October 1. As for energy demand, 7,844 heating degree days and 353 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Alpena CO Rgnl scores 44/100 (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, July-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 Alpena CO Rgnl, MI?
The average annual temperature in Alpena CO Rgnl, Michigan is 44°F. The warmest month averages 81°F (27°C) and the coldest averages 11°F (-12°C).
How much rain does Alpena CO Rgnl get?
Alpena CO Rgnl receives 29.7 inches of precipitation annually, including 77.6 inches of snow. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Alpena CO Rgnl?
Alpena CO Rgnl 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 Alpena CO Rgnl?
Alpena CO Rgnl has approximately 137 frost-free days per year, with the last spring freeze around May 17 and the first fall freeze around October 1.
How much energy does heating and cooling require in Alpena CO Rgnl?
Alpena CO Rgnl has 7,844 heating degree days and 353 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 Alpena CO Rgnl climate data come from?
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USW00094849 near Alpena CO Rgnl.

Data Sources

Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USW00094849. For informational purposes only.

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.