PlainClimate
NOAA 1991–2020 normals 64°F annual avg Public-domain federal data

Louisville, MS Climate

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

64°F
Avg annual temp
78/100
Comfort score
57.5"
Annual precip
237d
Growing season

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

The climate verdict for Louisville

Louisville, Mississippi averages 64°F a year and scores 78/100 on the comfort index - good, milder than 74% of U.S. cities.

64°F
average temperature, NOAA 1991-2020 normal
78/100
comfort score, milder than 74% of U.S. cities
57.5"
yearly precipitation total
237 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

64°F (18°C)

Avg High

75°F

Avg Low

52°F

Annual Precip

57.5"

Comfort Score

78/100

Good

Climate Comfort Score

78/100

Good

Avg Annual Temperature

64°F

30-year mean (NOAA NCEI)

Annual Precipitation

57.5"

Liquid-equivalent total

Comfort score vs national 100-point ceiling (Louisville) 78.0%
National median (63)

PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Good for the Louisville area.

How Louisville compares to every U.S. city

Louisville's comfort score vs. all U.S. cities

PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals

78 Top 26% higher than 74% 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%). Below this entry. 60–70: 1,357 US cities (20%). Below this entry. 70–80: 1,102 US cities (16%). This entry sits in this band. 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 Louisville

Methodology

Since 1900, U.S. land temperatures have tracked (and diverged from) the global mean - the chart below shows how. Louisville'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 55°F (13°C) 34°F (1°C) 44°F (7°C)
February 59°F (15°C) 37°F (3°C) 48°F (9°C)
March 68°F (20°C) 44°F (6°C) 56°F (13°C)
April 75°F (24°C) 51°F (11°C) 63°F (17°C)
May 83°F (28°C) 60°F (16°C) 71°F (22°C)
June 89°F (32°C) 67°F (20°C) 78°F (26°C)
July 92°F (33°C) 71°F (21°C) 81°F (27°C)
August 91°F (33°C) 70°F (21°C) 81°F (27°C)
September 86°F (30°C) 64°F (18°C) 75°F (24°C)
October 77°F (25°C) 53°F (11°C) 65°F (18°C)
November 65°F (18°C) 42°F (6°C) 54°F (12°C)
December 57°F (14°C) 36°F (2°C) 47°F (8°C)

Monthly Precipitation

Average monthly rainfall

January 5.0"

8.8 days with precipitation

February 5.7"

8.6 days with precipitation

March 5.5"

8.8 days with precipitation

April 5.3"

7.4 days with precipitation

May 5.0"

8.7 days with precipitation

June 4.0"

8.1 days with precipitation

July 4.6"

10.0 days with precipitation

August 4.8"

8.9 days with precipitation

September 4.0"

5.5 days with precipitation

October 4.2"

5.9 days with precipitation

November 4.2"

7.3 days with precipitation

December 5.2"

8.9 days with precipitation

Frost Dates & Growing Season

First Fall Freeze

November 13

50% probability date

Last Spring Freeze

March 21

50% probability date

Growing Season

237 days

Heating & Cooling Degree Days

Annual totals indicate energy demand for heating and cooling

Heating Degree Days

2,631

Higher = more heating needed

Cooling Degree Days

2,114

Higher = more cooling needed

Warmest Month

July

Coldest Month

January

What Louisville's climate means for you

Louisville runs 64°F a year - peaking in July, coldest in January.

  • Gardeners get about 237 frost-free days, with the last spring freeze near March 21 - plan the planting calendar around it, not the regional average.
  • Energy bills track 2,631 heating and 2,114 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: Louisville, MS

The NOAA 1991–2020 climate normals describe Louisville, Mississippi as a location with an annual average temperature of 64°F, ranging from a mean daily high of 75°F to a mean daily low of 52°F. July is typically the warmest month of the year, while January is the coldest. These thirty-year averages, computed from station USC00225247, smooth out year-to-year variability and give a baseline expectation for typical conditions in any given month.

Beyond temperature, Louisville averages 57.5 inches of precipitation annually, predominantly as rainfall - a real factor for anyone planning to live, garden, or travel here. The frost-free season averages 237 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near March 21 and the first fall freeze near November 13. Turning to energy use, 2,631 heating degree days and 2,114 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Louisville scores 78/100 (Good), 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 Louisville, MS?
The average annual temperature in Louisville, Mississippi is 64°F. The warmest month averages 92°F (33°C) and the coldest averages 34°F (1°C).
How much rain does Louisville get?
Louisville receives 57.5 inches of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Louisville?
Louisville has a climate comfort score of 78/100 (Good), milder than 74% of U.S. cities in the PlainClimate database.
When is the growing season in Louisville?
Louisville has approximately 237 frost-free days per year, with the last spring freeze around March 21 and the first fall freeze around November 13.
How much energy does heating and cooling require in Louisville?
Louisville has 2,631 heating degree days and 2,114 cooling degree days annually, a fairly balanced heating/cooling split. 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 Louisville climate data come from?
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00225247 near Louisville.

Data Sources

Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00225247. 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.