Climate Comfort Score
49/100
Moderate
NOAA 1991–2020 normals 40°F annual avg Public-domain federal data
Cass Lake, MN Climate
Temperature, precipitation, and comfort score from NOAA NCEI 1991–2020 normals →
- 40°F
- Avg annual temp
- 49/100
- Comfort score
- 26.5"
- Annual precip
- 132d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Cass Lake
Cass Lake, Minnesota averages 40°F a year and scores 49/100 on the comfort index - moderate, milder than 18% of U.S. cities.
- 40°F
- annual average temperature (NOAA normal)
- 49/100
- comfort score, milder than 18% of U.S. cities
- 26.5"
- annual precipitation · 49" snow
- 132 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
40°F (4°C)
Avg High
50°F
Avg Low
30°F
Annual Precip
26.5"
Annual Snow
48.9"
Comfort Score
49/100
Moderate
Avg Annual Temperature
40°F
30-year mean (NOAA NCEI)
Annual Precipitation
26.5"
Plus 48.9" of snow
Comfort score vs national 100-point ceiling (Cass Lake) 49.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Moderate for the Cass Lake area.
How Cass Lake compares to every U.S. city
Cass Lake's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
49 Top 82% higher than 18% 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 Cass Lake
MethodologyHow the U.S. land temperature anomaly tracks against the global mean since 1900. The current NOAA 1991-2020 normal for Cass Lake 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 | 18°F (-8°C) | -4°F (-20°C) | 7°F (-14°C) | 0.8" | 9.1" | 30.9 | 0.0 |
| February | 24°F (-5°C) | 0°F (-18°C) | 12°F (-11°C) | 0.7" | 9.3" | 27.7 | 0.0 |
| March | 37°F (3°C) | 15°F (-10°C) | 26°F (-3°C) | 1.2" | 6.2" | 28.6 | 0.0 |
| April | 51°F (11°C) | 29°F (-2°C) | 40°F (4°C) | 2.0" | 5.6" | 19.8 | 0.0 |
| May | 65°F (18°C) | 42°F (6°C) | 54°F (12°C) | 2.9" | 0.0" | 5.0 | 0.2 |
| June | 75°F (24°C) | 53°F (12°C) | 64°F (18°C) | 4.1" | 0.0" | 0.2 | 0.6 |
| July | 79°F (26°C) | 58°F (14°C) | 69°F (20°C) | 3.7" | 0.0" | 0.0 | 1.8 |
| August | 77°F (25°C) | 56°F (13°C) | 67°F (19°C) | 3.1" | 0.0" | 0.0 | 1.2 |
| September | 68°F (20°C) | 47°F (8°C) | 57°F (14°C) | 2.9" | 0.0" | 2.6 | 0.2 |
| October | 52°F (11°C) | 34°F (1°C) | 43°F (6°C) | 2.8" | 1.4" | 14.9 | 0.0 |
| November | 36°F (2°C) | 20°F (-7°C) | 28°F (-2°C) | 1.3" | 5.8" | 26.6 | 0.0 |
| December | 23°F (-5°C) | 6°F (-15°C) | 14°F (-10°C) | 1.0" | 11.5" | 30.9 | 0.0 |
Monthly Precipitation
Average monthly rainfall and snowfall
January 0.8"
Snow: 9.1"
7.9 days with precipitation
February 0.7"
Snow: 9.3"
6.8 days with precipitation
March 1.2"
Snow: 6.2"
7.3 days with precipitation
April 2.0"
Snow: 5.6"
8.5 days with precipitation
May 2.9"
11.7 days with precipitation
June 4.1"
12.7 days with precipitation
July 3.7"
10.8 days with precipitation
August 3.1"
9.3 days with precipitation
September 2.9"
10.4 days with precipitation
October 2.8"
Snow: 1.4"
10.3 days with precipitation
November 1.3"
Snow: 5.8"
7.1 days with precipitation
December 1.0"
Snow: 11.5"
8.5 days with precipitation
Frost Dates & Growing Season
First Fall Freeze
September 26
50% probability date
Last Spring Freeze
May 17
50% probability date
Growing Season
132 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
9,456
Higher = more heating needed
Cooling Degree Days
375
Higher = more cooling needed
Warmest Month
July
Coldest Month
January
What Cass Lake's climate means for you
Cass Lake runs 40°F a year - peaking in July, coldest in January.
- Gardeners get about 132 frost-free days, with the last spring freeze near May 17 - plan the planting calendar around it, not the regional average.
- Energy bills track 9,456 heating and 375 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: Cass Lake, MN
Cass Lake, Minnesota runs an annual average of 40°F, ranging from a mean daily high of 50°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 USC00211374, these thirty-year averages smooth out year-to-year swings into a baseline for what a typical month looks like here.
Anyone planning to live, garden, or travel in Cass Lake should weigh precipitation alongside temperature: the annual average runs 26.5 inches, with 48.9 inches typically falling as snow. The frost-free season averages 132 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 September 26. And on the energy front, 9,456 heating degree days and 375 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Cass Lake scores 49/100 (Moderate), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. The monthly tables above turn that into a planning tool: expect the mildest highs and lows in the shoulder seasons, July-driven heat at the peak of summer, and January-driven cold at the depth of winter. Every number here is a thirty-year average, not a forecast, so any given year can and does run warmer, cooler, wetter, or drier than the normal.
Frequently Asked Questions
What is the average temperature in Cass Lake, MN? ▼
The average annual temperature in Cass Lake, Minnesota is 40°F. The warmest month averages 79°F (26°C) and the coldest averages -4°F (-20°C).
How much rain does Cass Lake get? ▼
Cass Lake receives 26.5 inches of precipitation annually, including 48.9 inches of snow. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Cass Lake? ▼
Cass Lake has a climate comfort score of 49/100 (Moderate), milder than 18% of U.S. cities in the PlainClimate database.
When is the growing season in Cass Lake? ▼
Cass Lake has approximately 132 frost-free days per year, with the last spring freeze around May 17 and the first fall freeze around September 26.
How much energy does heating and cooling require in Cass Lake? ▼
Cass Lake has 9,456 heating degree days and 375 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 Cass Lake climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00211374 near Cass Lake.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00211374. 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.