Climate Comfort Score
44/100
Moderate
NOAA 1991–2020 normals 39°F annual avg Public-domain federal data
Herman, MI Climate
Pulled from NOAA NCEI 1991–2020 normals →: average temperature, precipitation, and comfort score
- 39°F
- Avg annual temp
- 44/100
- Comfort score
- 38.3"
- Annual precip
- 114d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Herman
Herman, Michigan averages 39°F a year and scores 44/100 on the comfort index - moderate, milder than 8% of U.S. cities.
- 39°F
- annual average temperature (NOAA normal)
- 44/100
- comfort score, milder than 8% of U.S. cities
- 38.3"
- annual precipitation · 208" snow
- 114 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
39°F (4°C)
Avg High
48°F
Avg Low
30°F
Annual Precip
38.3"
Annual Snow
207.8"
Comfort Score
44/100
Moderate
Avg Annual Temperature
39°F
30-year mean (NOAA NCEI)
Annual Precipitation
38.3"
Plus 207.8" of snow
Comfort score vs national 100-point ceiling (Herman) 44.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Moderate for the Herman area.
How Herman compares to every U.S. city
Herman'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
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 Herman
MethodologyHow the U.S. land temperature anomaly tracks against the global mean since 1900. The current NOAA 1991-2020 normal for Herman 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 | 19°F (-7°C) | 7°F (-14°C) | 13°F (-11°C) | 2.2" | 47.8" | 30.9 | 0.0 |
| February | 23°F (-5°C) | 7°F (-14°C) | 15°F (-9°C) | 1.8" | 35.0" | 27.7 | 0.0 |
| March | 34°F (1°C) | 14°F (-10°C) | 24°F (-4°C) | 2.3" | 27.8" | 29.1 | 0.0 |
| April | 47°F (8°C) | 26°F (-3°C) | 37°F (3°C) | 2.9" | 16.4" | 24.2 | 0.0 |
| May | 62°F (17°C) | 39°F (4°C) | 51°F (10°C) | 3.4" | 2.2" | 9.7 | 0.1 |
| June | 71°F (22°C) | 49°F (10°C) | 60°F (16°C) | 3.5" | 0.0" | 1.2 | 0.3 |
| July | 75°F (24°C) | 54°F (12°C) | 64°F (18°C) | 4.6" | 0.0" | 0.0 | 0.3 |
| August | 73°F (23°C) | 52°F (11°C) | 62°F (17°C) | 3.3" | 0.0" | 0.1 | 0.2 |
| September | 65°F (18°C) | 46°F (8°C) | 55°F (13°C) | 4.2" | 0.2" | 3.2 | 0.0 |
| October | 50°F (10°C) | 35°F (2°C) | 43°F (6°C) | 4.4" | 8.0" | 15.9 | 0.0 |
| November | 36°F (2°C) | 23°F (-5°C) | 29°F (-1°C) | 3.0" | 28.7" | 26.3 | 0.0 |
| December | 24°F (-4°C) | 13°F (-11°C) | 19°F (-7°C) | 2.7" | 41.7" | 30.8 | 0.0 |
Monthly Precipitation
Average monthly rainfall and snowfall
January 2.2"
Snow: 47.8"
18.2 days with precipitation
February 1.8"
Snow: 35.0"
13.7 days with precipitation
March 2.3"
Snow: 27.8"
12.7 days with precipitation
April 2.9"
Snow: 16.4"
12.6 days with precipitation
May 3.4"
Snow: 2.2"
13.2 days with precipitation
June 3.5"
12.4 days with precipitation
July 4.6"
13.1 days with precipitation
August 3.3"
12.3 days with precipitation
September 4.2"
Snow: 0.2"
14.4 days with precipitation
October 4.4"
Snow: 8.0"
16.4 days with precipitation
November 3.0"
Snow: 28.7"
16.8 days with precipitation
December 2.7"
Snow: 41.7"
17.9 days with precipitation
Frost Dates & Growing Season
First Fall Freeze
September 22
50% probability date
Last Spring Freeze
May 31
50% probability date
Growing Season
114 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
9,518
Higher = more heating needed
Cooling Degree Days
187
Higher = more cooling needed
Warmest Month
July
Coldest Month
January
What Herman's climate means for you
Herman runs 39°F a year - peaking in July, coldest in January.
- Gardeners get about 114 frost-free days, with the last spring freeze near May 31 - plan the planting calendar around it, not the regional average.
- Energy bills track 9,518 heating and 187 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: Herman, MI
Herman, Michigan runs an annual average of 39°F, ranging from a mean daily high of 48°F to a mean daily low of 30°F, per NOAA's 1991–2020 climate normals. July is typically the warmest month of the year, while January is the coldest. Drawn from station USC00203744, these thirty-year averages smooth out year-to-year swings into a baseline for what a typical month looks like here.
Precipitation patterns matter as much as temperature for anyone planning to live, garden, or travel here. Herman receives roughly 38.3 inches of precipitation each year, with 207.8 inches typically falling as snow. The frost-free season averages 114 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near May 31 and the first fall freeze near September 22. For energy use, 9,518 heating degree days and 187 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Herman scores 44/100 (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 July-driven heat, or deep winter for January-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 Herman, MI? ▼
The average annual temperature in Herman, Michigan is 39°F. The warmest month averages 75°F (24°C) and the coldest averages 7°F (-14°C).
How much rain does Herman get? ▼
Herman receives 38.3 inches of precipitation annually, including 207.8 inches of snow. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Herman? ▼
Herman 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 Herman? ▼
Herman has approximately 114 frost-free days per year, with the last spring freeze around May 31 and the first fall freeze around September 22.
How much energy does heating and cooling require in Herman? ▼
Herman has 9,518 heating degree days and 187 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 Herman climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00203744 near Herman.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00203744. 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.