PlainClimate
NOAA 1991–2020 normals 44°F annual avg Public-domain federal data

Ludlow, SD Climate

Annual temperature, rainfall, and a comfort score, sourced from NOAA NCEI's 1991–2020 normals →

44°F
Avg annual temp
44/100
Comfort score
17.1"
Annual precip
133d
Growing season

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

The climate verdict for Ludlow

Ludlow, South Dakota averages 44°F a year and scores 44/100 on the comfort index - moderate, milder than 8% of U.S. cities.

44°F
annual average temperature (NOAA normal)
44/100
comfort score, milder than 8% of U.S. cities
17.1"
yearly precipitation total
133 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

44°F (7°C)

Avg High

56°F

Avg Low

32°F

Annual Precip

17.1"

Comfort Score

44/100

Moderate

Climate Comfort Score

44/100

Moderate

Avg Annual Temperature

44°F

30-year mean (NOAA NCEI)

Annual Precipitation

17.1"

Liquid-equivalent total

Comfort score vs national 100-point ceiling (Ludlow) 44.0%
National median (63)

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

How Ludlow compares to every U.S. city

Ludlow'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

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%). This entry sits in this band. 50–60: 1,433 US cities (21%). Above this entry. 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 Ludlow

Methodology

The chart below traces how the U.S. land temperature anomaly has moved against the global mean since 1900. For Ludlow, the NOAA 1991-2020 normal captures average conditions across that spread - notably, the most recent decade runs warmer than the 30-year mean itself.

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) 9°F (-13°C) 19°F (-7°C)
February 32°F (0°C) 11°F (-11°C) 22°F (-6°C)
March 44°F (6°C) 21°F (-6°C) 32°F (0°C)
April 55°F (13°C) 30°F (-1°C) 42°F (6°C)
May 65°F (19°C) 41°F (5°C) 53°F (12°C)
June 75°F (24°C) 50°F (10°C) 63°F (17°C)
July 84°F (29°C) 57°F (14°C) 70°F (21°C)
August 84°F (29°C) 55°F (13°C) 69°F (21°C)
September 73°F (23°C) 45°F (7°C) 59°F (15°C)
October 58°F (14°C) 33°F (1°C) 45°F (7°C)
November 43°F (6°C) 21°F (-6°C) 32°F (0°C)
December 32°F (0°C) 12°F (-11°C) 22°F (-6°C)

Monthly Precipitation

Average monthly rainfall

January 0.3"

3.2 days with precipitation

February 0.3"

3.3 days with precipitation

March 0.5"

3.6 days with precipitation

April 2.1"

6.5 days with precipitation

May 3.0"

7.5 days with precipitation

June 3.4"

9.1 days with precipitation

July 2.3"

7.3 days with precipitation

August 1.4"

5.1 days with precipitation

September 1.4"

3.9 days with precipitation

October 1.6"

4.1 days with precipitation

November 0.5"

2.6 days with precipitation

December 0.3"

3.2 days with precipitation

Frost Dates & Growing Season

First Fall Freeze

September 26

50% probability date

Last Spring Freeze

May 16

50% probability date

Growing Season

133 days

Heating & Cooling Degree Days

Annual totals indicate energy demand for heating and cooling

Heating Degree Days

8,064

Higher = more heating needed

Cooling Degree Days

449

Higher = more cooling needed

Warmest Month

July

Coldest Month

January

What Ludlow's climate means for you

Ludlow runs 44°F a year - peaking in July, coldest in January.

  • Gardeners get about 133 frost-free days, with the last spring freeze near May 16 - plan the planting calendar around it, not the regional average.
  • Energy bills track 8,064 heating and 449 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: Ludlow, SD

The NOAA 1991–2020 climate normals describe Ludlow, South Dakota as a location with an annual average temperature of 44°F, ranging from a mean daily high of 56°F to a mean daily low of 32°F. July is typically the warmest month of the year, while January is the coldest. These thirty-year averages, computed from station USC00395048, smooth out year-to-year variability and give a baseline expectation for typical conditions in any given month.

Beyond temperature, Ludlow averages 17.1 inches of precipitation annually, predominantly as rainfall - a real factor for anyone planning to live, garden, or travel here. The frost-free season averages 133 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near May 16 and the first fall freeze near September 26. Turning to energy use, 8,064 heating degree days and 449 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Ludlow scores 44/100 (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 Ludlow, SD?
The average annual temperature in Ludlow, South Dakota is 44°F. The warmest month averages 84°F (29°C) and the coldest averages 9°F (-13°C).
How much rain does Ludlow get?
Ludlow receives 17.1 inches of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Ludlow?
Ludlow 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 Ludlow?
Ludlow has approximately 133 frost-free days per year, with the last spring freeze around May 16 and the first fall freeze around September 26.
How much energy does heating and cooling require in Ludlow?
Ludlow has 8,064 heating degree days and 449 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 Ludlow climate data come from?
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00395048 near Ludlow.

Data Sources

Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00395048. 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.