Climate Comfort Score
54/100
Moderate
NOAA 1991–2020 normals 39°F annual avg Public-domain federal data
Island Lake, MN Climate
Temperature, precipitation, and comfort score from NOAA NCEI 1991–2020 normals →
- 39°F
- Avg annual temp
- 54/100
- Comfort score
- 30.7"
- Annual precip
- 129d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Island Lake
Island Lake, Minnesota averages 39°F a year and scores 54/100 on the comfort index - moderate, milder than 27% of U.S. cities.
- 39°F
- yearly average temperature, NOAA normal
- 54/100
- comfort score, milder than 27% of U.S. cities
- 30.7"
- precipitation, annual total
- 129 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
49°F
Avg Low
29°F
Annual Precip
30.7"
Comfort Score
54/100
Moderate
Avg Annual Temperature
39°F
30-year mean (NOAA NCEI)
Annual Precipitation
30.7"
Liquid-equivalent total
Comfort score vs national 100-point ceiling (Island Lake) 54.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Moderate for the Island Lake area.
How Island Lake compares to every U.S. city
Island Lake's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
54 Top 73% higher than 27% 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 Island Lake
MethodologyZooming out from Island Lake's own normal, the chart below shows how the U.S. land temperature anomaly has tracked the global mean since 1900 - the most recent decade sits warmer than the 30-year mean shown here.
- 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 | 17°F (-8°C) | -2°F (-19°C) | 7°F (-14°C) | 1.0" | 31.0 | 0.0 |
| February | 23°F (-5°C) | 1°F (-17°C) | 12°F (-11°C) | 1.0" | 27.9 | 0.0 |
| March | 36°F (2°C) | 15°F (-10°C) | 25°F (-4°C) | 1.4" | 28.7 | 0.0 |
| April | 48°F (9°C) | 28°F (-2°C) | 38°F (3°C) | 2.4" | 23.6 | 0.0 |
| May | 63°F (17°C) | 40°F (4°C) | 51°F (11°C) | 3.4" | 6.8 | 0.1 |
| June | 72°F (22°C) | 50°F (10°C) | 61°F (16°C) | 4.4" | 0.1 | 0.0 |
| July | 77°F (25°C) | 55°F (13°C) | 66°F (19°C) | 4.1" | 0.0 | 0.4 |
| August | 75°F (24°C) | 54°F (12°C) | 65°F (18°C) | 3.5" | 0.0 | 0.1 |
| September | 66°F (19°C) | 46°F (8°C) | 56°F (13°C) | 3.5" | 1.9 | 0.0 |
| October | 51°F (11°C) | 34°F (1°C) | 43°F (6°C) | 2.9" | 13.1 | 0.0 |
| November | 35°F (2°C) | 21°F (-6°C) | 28°F (-2°C) | 1.8" | 25.8 | 0.0 |
| December | 23°F (-5°C) | 7°F (-14°C) | 15°F (-10°C) | 1.4" | 30.7 | 0.0 |
Monthly Precipitation
Average monthly rainfall
January 1.0"
February 1.0"
March 1.4"
April 2.4"
May 3.4"
June 4.4"
July 4.1"
August 3.5"
September 3.5"
October 2.9"
November 1.8"
December 1.4"
Frost Dates & Growing Season
First Fall Freeze
September 27
50% probability date
Last Spring Freeze
May 21
50% probability date
Growing Season
129 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
9,661
Higher = more heating needed
Cooling Degree Days
188
Higher = more cooling needed
Warmest Month
July
Coldest Month
January
What Island Lake's climate means for you
Island Lake runs 39°F a year - peaking in July, coldest in January.
- Gardeners get about 129 frost-free days, with the last spring freeze near May 21 - plan the planting calendar around it, not the regional average.
- Energy bills track 9,661 heating and 188 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: Island Lake, MN
Island Lake, Minnesota runs an annual average of 39°F, ranging from a mean daily high of 49°F to a mean daily low of 29°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 USC00214093, 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 Island Lake should weigh precipitation alongside temperature: the annual average runs 30.7 inches, predominantly as rainfall. The frost-free season averages 129 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near May 21 and the first fall freeze near September 27. And on the energy front, 9,661 heating degree days and 188 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Island Lake scores 54/100 (Moderate), 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 Island Lake, MN? ▼
The average annual temperature in Island Lake, Minnesota is 39°F. The warmest month averages 77°F (25°C) and the coldest averages -2°F (-19°C).
How much rain does Island Lake get? ▼
Island Lake receives 30.7 inches of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Island Lake? ▼
Island Lake has a climate comfort score of 54/100 (Moderate), milder than 27% of U.S. cities in the PlainClimate database.
When is the growing season in Island Lake? ▼
Island Lake has approximately 129 frost-free days per year, with the last spring freeze around May 21 and the first fall freeze around September 27.
How much energy does heating and cooling require in Island Lake? ▼
Island Lake has 9,661 heating degree days and 188 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 Island Lake climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00214093 near Island Lake.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00214093. 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.