Climate Comfort Score
39/100
Below Average
NOAA 1991–2020 normals 44°F annual avg Public-domain federal data
ST Ignace Mackinac BR, MI Climate
Temperature, precipitation, and comfort score from NOAA NCEI 1991–2020 normals →
- 44°F
- Avg annual temp
- 39/100
- Comfort score
- 169d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for ST Ignace Mackinac BR
ST Ignace Mackinac BR, Michigan averages 44°F a year and scores 39/100 on the comfort index - below average, milder than 4% of U.S. cities.
- 44°F
- average temperature, NOAA 1991-2020 normal
- 39/100
- comfort score, milder than 4% of U.S. cities
- 169 days
- growing season, frost-free days
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
52°F
Avg Low
37°F
Annual Precip
N/A
Comfort Score
39/100
Below Average
Avg Annual Temperature
44°F
30-year mean (NOAA NCEI)
Annual Precipitation
N/A
Liquid-equivalent total
Comfort score vs national 100-point ceiling (ST Ignace Mackinac BR) 39.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Below Average for the ST Ignace Mackinac BR area.
How ST Ignace Mackinac BR compares to every U.S. city
ST Ignace Mackinac BR's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
39 Top 96% higher than 4% 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 Ignace Mackinac BR
MethodologyHow the U.S. land temperature anomaly tracks against the global mean since 1900. The current NOAA 1991-2020 normal for ST Ignace Mackinac BR 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 | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|
| January | 26°F (-3°C) | 14°F (-10°C) | 20°F (-7°C) | N/A | 30.1 | 0.0 |
| February | 29°F (-2°C) | 14°F (-10°C) | 21°F (-6°C) | N/A | 26.9 | 0.0 |
| March | 37°F (3°C) | 20°F (-7°C) | 28°F (-2°C) | N/A | 28.0 | 0.0 |
| April | 48°F (9°C) | 31°F (0°C) | 40°F (4°C) | N/A | 14.8 | 0.0 |
| May | 61°F (16°C) | 42°F (5°C) | 51°F (11°C) | N/A | 1.8 | 0.0 |
| June | 71°F (21°C) | 52°F (11°C) | 62°F (16°C) | N/A | 0.0 | 0.0 |
| July | 75°F (24°C) | 59°F (15°C) | 67°F (20°C) | N/A | 0.0 | 0.1 |
| August | 75°F (24°C) | 59°F (15°C) | 67°F (19°C) | N/A | 0.0 | 0.1 |
| September | 69°F (21°C) | 53°F (12°C) | 61°F (16°C) | N/A | 0.1 | 0.0 |
| October | 56°F (13°C) | 42°F (6°C) | 49°F (9°C) | N/A | 4.3 | 0.0 |
| November | 43°F (6°C) | 32°F (0°C) | 37°F (3°C) | N/A | 15.5 | 0.0 |
| December | 33°F (0°C) | 23°F (-5°C) | 28°F (-2°C) | N/A | 26.8 | 0.0 |
Monthly Precipitation
Average monthly rainfall
January N/A
February N/A
March N/A
April N/A
May N/A
June N/A
July N/A
August N/A
September N/A
October N/A
November N/A
December N/A
Frost Dates & Growing Season
First Fall Freeze
October 23
50% probability date
Last Spring Freeze
May 7
50% probability date
Growing Season
169 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
7,796
Higher = more heating needed
Cooling Degree Days
268
Higher = more cooling needed
Warmest Month
July
Coldest Month
January
What ST Ignace Mackinac BR's climate means for you
ST Ignace Mackinac BR runs 44°F a year - peaking in July, coldest in January.
- Gardeners get about 169 frost-free days, with the last spring freeze near May 7 - plan the planting calendar around it, not the regional average.
- Energy bills track 7,796 heating and 268 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 Ignace Mackinac BR, MI
In ST Ignace Mackinac BR, Michigan, the NOAA 1991–2020 climate normals put the annual average temperature at 44°F, ranging from a mean daily high of 52°F to a mean daily low of 37°F. July is typically the warmest month of the year, while January is the coldest. As thirty-year averages computed from station USC00207274, these numbers smooth out year-to-year noise into a working baseline for a typical month.
ST Ignace Mackinac BR averages an uncharted amount of precipitation a year, predominantly as rainfall, and that matters as much to daily life here as temperature does. The frost-free season averages 169 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near May 7 and the first fall freeze near October 23. As for energy demand, 7,796 heating degree days and 268 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 Ignace Mackinac BR scores 39/100 (Below Average), 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 ST Ignace Mackinac BR, MI? ▼
The average annual temperature in ST Ignace Mackinac BR, Michigan is 44°F. The warmest month averages 75°F (24°C) and the coldest averages 14°F (-10°C).
How much rain does ST Ignace Mackinac BR get? ▼
ST Ignace Mackinac BR receives an unknown amount of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for ST Ignace Mackinac BR? ▼
ST Ignace Mackinac BR has a climate comfort score of 39/100 (Below Average), milder than 4% of U.S. cities in the PlainClimate database.
When is the growing season in ST Ignace Mackinac BR? ▼
ST Ignace Mackinac BR has approximately 169 frost-free days per year, with the last spring freeze around May 7 and the first fall freeze around October 23.
How much energy does heating and cooling require in ST Ignace Mackinac BR? ▼
ST Ignace Mackinac BR has 7,796 heating degree days and 268 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 Ignace Mackinac BR climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00207274 near ST Ignace Mackinac BR.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00207274. 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.