PlainClimate
NOAA 1991–2020 normals 43°F annual avg 2 stations

Milbank, SD Climate

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

43°F
Avg annual temp
54/100
Comfort score
25.4"
Annual precip
150d
Growing season

30-year climate normals from 2 weather stations (1991-2020).

The climate verdict for Milbank

Milbank, South Dakota averages 43°F a year and scores 54/100 on the comfort index - moderate, milder than 27% of U.S. cities.

43°F
average temperature, NOAA 1991-2020 normal
54/100
comfort score, milder than 27% of U.S. cities
25.4"
annual precipitation
150 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

43°F (6°C)

Avg High

53°F

Avg Low

33°F

Annual Precip

25.4"

Comfort Score

54/100

Moderate

Climate Comfort Score

54/100

Moderate

Avg Annual Temperature

43°F

30-year mean (NOAA NCEI)

Annual Precipitation

25.4"

Liquid-equivalent total

Comfort score vs national 100-point ceiling (Milbank) 54.0%
National median (63)

PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Moderate for the Milbank area.

How Milbank compares to every U.S. city

Milbank'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

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%). This entry sits in this band. 60–70: 1,357 US cities (20%). Above this entry. 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 Milbank

Methodology

Since 1900, U.S. land temperatures have tracked (and diverged from) the global mean - the chart below shows how. Milbank's current NOAA 1991-2020 normal sits within that longer spread, and the most recent decade runs 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 21°F (-6°C) 4°F (-16°C) 12°F (-11°C)
February 26°F (-4°C) 7°F (-14°C) 16°F (-9°C)
March 38°F (3°C) 19°F (-7°C) 28°F (-2°C)
April 54°F (12°C) 32°F (0°C) 43°F (6°C)
May 67°F (19°C) 45°F (7°C) 56°F (13°C)
June 77°F (25°C) 56°F (13°C) 67°F (19°C)
July 81°F (27°C) 60°F (16°C) 71°F (21°C)
August 79°F (26°C) 57°F (14°C) 68°F (20°C)
September 72°F (22°C) 48°F (9°C) 60°F (16°C)
October 58°F (14°C) 35°F (2°C) 46°F (8°C)
November 41°F (5°C) 22°F (-6°C) 31°F (0°C)
December 27°F (-3°C) 10°F (-12°C) 18°F (-8°C)

Monthly Precipitation

Average monthly rainfall

January 0.7"
February 0.7"
March 1.2"
April 2.4"
May 2.9"
June 3.9"
July 3.8"
August 3.2"
September 2.6"
October 2.3"
November 0.9"
December 0.8"

Frost Dates & Growing Season

First Fall Freeze

October 2

50% probability date

Last Spring Freeze

May 5

50% probability date

Growing Season

150 days

Heating & Cooling Degree Days

Annual totals indicate energy demand for heating and cooling

Heating Degree Days

8,452

Higher = more heating needed

Cooling Degree Days

483

Higher = more cooling needed

Warmest Month

July

Coldest Month

January

What Milbank's climate means for you

Milbank runs 43°F a year - peaking in July, coldest in January.

  • Gardeners get about 150 frost-free days, with the last spring freeze near May 5 - plan the planting calendar around it, not the regional average.
  • Energy bills track 8,452 heating and 483 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: Milbank, SD

Milbank, South Dakota runs an annual average of 43°F, ranging from a mean daily high of 53°F to a mean daily low of 33°F, per NOAA's 1991–2020 climate normals. July is typically the warmest month of the year, while January is the coldest. Drawn from 2 weather stations, 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. Milbank receives roughly 25.4 inches of precipitation each year, predominantly as rainfall. The frost-free season averages 150 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near May 5 and the first fall freeze near October 2. For energy use, 8,452 heating degree days and 483 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Milbank scores 54/100 (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 Milbank, SD?
The average annual temperature in Milbank, South Dakota is 43°F. The warmest month averages 81°F (27°C) and the coldest averages 4°F (-16°C).
How much rain does Milbank get?
Milbank receives 25.4 inches of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Milbank?
Milbank 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 Milbank?
Milbank has approximately 150 frost-free days per year, with the last spring freeze around May 5 and the first fall freeze around October 2.
How much energy does heating and cooling require in Milbank?
Milbank has 8,452 heating degree days and 483 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 Milbank climate data come from?
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from 2 weather stations near Milbank.

Data Sources

Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00395531. 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.