PlainClimate
NOAA 1991–2020 normals 42°F annual avg Public-domain federal data

Mandan Exp Stn, ND Climate

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

42°F
Avg annual temp
44/100
Comfort score
18.4"
Annual precip
137d
Growing season

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

The climate verdict for Mandan Exp Stn

Mandan Exp Stn, North Dakota averages 42°F a year and scores 44/100 on the comfort index - moderate, milder than 8% of U.S. cities.

42°F
yearly average temperature, NOAA normal
44/100
comfort score, milder than 8% of U.S. cities
18.4"
annual precipitation
137 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

42°F (6°C)

Avg High

54°F

Avg Low

31°F

Annual Precip

18.4"

Comfort Score

44/100

Moderate

Climate Comfort Score

44/100

Moderate

Avg Annual Temperature

42°F

30-year mean (NOAA NCEI)

Annual Precipitation

18.4"

Liquid-equivalent total

Comfort score vs national 100-point ceiling (Mandan Exp Stn) 44.0%
National median (63)

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

How Mandan Exp Stn compares to every U.S. city

Mandan Exp Stn'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 Mandan Exp Stn

Methodology

Mandan Exp Stn'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 23°F (-5°C) 3°F (-16°C) 13°F (-11°C)
February 27°F (-3°C) 6°F (-14°C) 17°F (-8°C)
March 40°F (4°C) 18°F (-8°C) 29°F (-2°C)
April 54°F (12°C) 30°F (-1°C) 42°F (6°C)
May 67°F (19°C) 43°F (6°C) 55°F (13°C)
June 76°F (24°C) 53°F (12°C) 65°F (18°C)
July 83°F (28°C) 58°F (14°C) 70°F (21°C)
August 82°F (28°C) 56°F (13°C) 69°F (20°C)
September 72°F (22°C) 46°F (8°C) 59°F (15°C)
October 56°F (13°C) 32°F (0°C) 44°F (7°C)
November 40°F (4°C) 19°F (-7°C) 30°F (-1°C)
December 27°F (-3°C) 8°F (-13°C) 18°F (-8°C)

Monthly Precipitation

Average monthly rainfall

January 0.4"

4.3 days with precipitation

February 0.4"

4.1 days with precipitation

March 0.6"

4.3 days with precipitation

April 1.3"

6.4 days with precipitation

May 2.6"

9.3 days with precipitation

June 3.4"

10.7 days with precipitation

July 3.2"

8.8 days with precipitation

August 2.2"

6.8 days with precipitation

September 1.6"

6.1 days with precipitation

October 1.5"

6.0 days with precipitation

November 0.6"

3.6 days with precipitation

December 0.5"

4.7 days with precipitation

Frost Dates & Growing Season

First Fall Freeze

September 27

50% probability date

Last Spring Freeze

May 13

50% probability date

Growing Season

137 days

Heating & Cooling Degree Days

Annual totals indicate energy demand for heating and cooling

Heating Degree Days

8,674

Higher = more heating needed

Cooling Degree Days

482

Higher = more cooling needed

Warmest Month

July

Coldest Month

January

What Mandan Exp Stn's climate means for you

Mandan Exp Stn runs 42°F a year - peaking in July, coldest in January.

  • Gardeners get about 137 frost-free days, with the last spring freeze near May 13 - plan the planting calendar around it, not the regional average.
  • Energy bills track 8,674 heating and 482 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: Mandan Exp Stn, ND

The NOAA 1991–2020 climate normals describe Mandan Exp Stn, North Dakota as a location with an annual average temperature of 42°F, ranging from a mean daily high of 54°F to a mean daily low of 31°F. July is typically the warmest month of the year, while January is the coldest. These thirty-year averages, computed from station USC00325479, smooth out year-to-year variability and give a baseline expectation for typical conditions in any given month.

Beyond temperature, Mandan Exp Stn averages 18.4 inches of precipitation annually, predominantly as rainfall - a real factor for anyone planning to live, garden, or travel here. The frost-free season averages 137 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near May 13 and the first fall freeze near September 27. Turning to energy use, 8,674 heating degree days and 482 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Mandan Exp Stn scores 44/100 (Moderate), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. Shoulder seasons bring the mildest highs and lows in the monthly tables above, summer brings July-driven heat, and winter brings January-driven cold - use that rhythm for planning. These figures are thirty-year averages rather than forecasts, so a specific year may still run warmer, cooler, wetter, or drier than what's shown.

Frequently Asked Questions

What is the average temperature in Mandan Exp Stn, ND?
The average annual temperature in Mandan Exp Stn, North Dakota is 42°F. The warmest month averages 83°F (28°C) and the coldest averages 3°F (-16°C).
How much rain does Mandan Exp Stn get?
Mandan Exp Stn receives 18.4 inches of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Mandan Exp Stn?
Mandan Exp Stn 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 Mandan Exp Stn?
Mandan Exp Stn has approximately 137 frost-free days per year, with the last spring freeze around May 13 and the first fall freeze around September 27.
How much energy does heating and cooling require in Mandan Exp Stn?
Mandan Exp Stn has 8,674 heating degree days and 482 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 Mandan Exp Stn climate data come from?
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00325479 near Mandan Exp Stn.

Data Sources

Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00325479. 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.