PlainClimate
NOAA 1991–2020 normals 48°F annual avg Public-domain federal data

Nwsfo Grand Rapids, MI Climate

Pulled from NOAA NCEI 1991–2020 normals →: average temperature, precipitation, and comfort score

48°F
Avg annual temp
64/100
Comfort score
39.2"
Annual precip
167d
Growing season

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

The climate verdict for Nwsfo Grand Rapids

Nwsfo Grand Rapids, Michigan averages 48°F a year and scores 64/100 on the comfort index - good, milder than 51% of U.S. cities.

48°F
annual average temperature (NOAA normal)
64/100
comfort score, milder than 51% of U.S. cities
39.2"
precipitation, annual total
167 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

48°F (9°C)

Avg High

58°F

Avg Low

39°F

Annual Precip

39.2"

Comfort Score

64/100

Good

Climate Comfort Score

64/100

Good

Avg Annual Temperature

48°F

30-year mean (NOAA NCEI)

Annual Precipitation

39.2"

Liquid-equivalent total

Comfort score vs national 100-point ceiling (Nwsfo Grand Rapids) 64.0%
National median (63)

PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Good for the Nwsfo Grand Rapids area.

How Nwsfo Grand Rapids compares to every U.S. city

Nwsfo Grand Rapids's comfort score vs. all U.S. cities

PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals

64 Top 49% higher than 51% 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%). Below this entry. 50–60: 1,433 US cities (21%). Below this entry. 60–70: 1,357 US cities (20%). This entry sits in this band. 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 Nwsfo Grand Rapids

Methodology

Nwsfo Grand Rapids's NOAA 1991-2020 normal sits inside a longer story: U.S. land temperatures have been tracking (and drifting from) the global mean since 1900, and the chart below shows that spread, with the most recent decade running 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 30°F (-1°C) 17°F (-9°C) 24°F (-5°C)
February 33°F (1°C) 18°F (-8°C) 26°F (-4°C)
March 44°F (7°C) 25°F (-4°C) 35°F (1°C)
April 57°F (14°C) 36°F (2°C) 47°F (8°C)
May 70°F (21°C) 48°F (9°C) 59°F (15°C)
June 78°F (26°C) 57°F (14°C) 68°F (20°C)
July 82°F (28°C) 62°F (17°C) 72°F (22°C)
August 80°F (27°C) 60°F (16°C) 70°F (21°C)
September 73°F (23°C) 52°F (11°C) 63°F (17°C)
October 60°F (16°C) 41°F (5°C) 50°F (10°C)
November 47°F (8°C) 32°F (0°C) 39°F (4°C)
December 35°F (2°C) 24°F (-5°C) 30°F (-1°C)

Monthly Precipitation

Average monthly rainfall

January 2.5"
February 2.1"
March 2.5"
April 3.9"
May 4.0"
June 3.9"
July 3.8"
August 3.6"
September 3.4"
October 3.9"
November 3.1"
December 2.5"

Frost Dates & Growing Season

First Fall Freeze

October 14

50% probability date

Last Spring Freeze

April 30

50% probability date

Growing Season

167 days

Heating & Cooling Degree Days

Annual totals indicate energy demand for heating and cooling

Heating Degree Days

6,613

Higher = more heating needed

Cooling Degree Days

575

Higher = more cooling needed

Warmest Month

July

Coldest Month

January

What Nwsfo Grand Rapids's climate means for you

Nwsfo Grand Rapids runs 48°F a year - peaking in July, coldest in January.

  • Gardeners get about 167 frost-free days, with the last spring freeze near April 30 - plan the planting calendar around it, not the regional average.
  • Energy bills track 6,613 heating and 575 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: Nwsfo Grand Rapids, MI

An annual average temperature of 48°F, ranging from a mean daily high of 58°F to a mean daily low of 39°F is what the NOAA 1991–2020 climate normals report for Nwsfo Grand Rapids, Michigan. July is typically the warmest month of the year, while January is the coldest. That baseline comes from station USC00206013 and thirty years of averaging, so it reflects a typical month rather than any one year's swings.

Nwsfo Grand Rapids averages 39.2 inches of precipitation a year, predominantly as rainfall, and that matters as much to daily life here as temperature does. The frost-free season averages 167 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near April 30 and the first fall freeze near October 14. As for energy demand, 6,613 heating degree days and 575 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Nwsfo Grand Rapids scores 64/100 (Good), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. For planning purposes, look to the monthly tables above: shoulder seasons bring the mildest highs and lows, summer brings July-driven heat, and deep winter brings January-driven cold. Treat every figure here as a thirty-year average rather than a forecast - individual years routinely run warmer, cooler, wetter, or drier than the normal.

Frequently Asked Questions

What is the average temperature in Nwsfo Grand Rapids, MI?
The average annual temperature in Nwsfo Grand Rapids, Michigan is 48°F. The warmest month averages 82°F (28°C) and the coldest averages 17°F (-9°C).
How much rain does Nwsfo Grand Rapids get?
Nwsfo Grand Rapids receives 39.2 inches of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Nwsfo Grand Rapids?
Nwsfo Grand Rapids has a climate comfort score of 64/100 (Good), milder than 51% of U.S. cities in the PlainClimate database.
When is the growing season in Nwsfo Grand Rapids?
Nwsfo Grand Rapids has approximately 167 frost-free days per year, with the last spring freeze around April 30 and the first fall freeze around October 14.
How much energy does heating and cooling require in Nwsfo Grand Rapids?
Nwsfo Grand Rapids has 6,613 heating degree days and 575 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 Nwsfo Grand Rapids climate data come from?
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00206013 near Nwsfo Grand Rapids.

Data Sources

Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00206013. 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.