Climate Comfort Score
87/100
Excellent
NOAA 1991–2020 normals 66°F annual avg Public-domain federal data
Meridian Key Fld, MS Climate
Temperature, precipitation, and comfort score from NOAA NCEI 1991–2020 normals →
- 66°F
- Avg annual temp
- 87/100
- Comfort score
- 57.0"
- Annual precip
- 241d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Meridian Key Fld
Meridian Key Fld, Mississippi averages 66°F a year and scores 87/100 on the comfort index - excellent, milder than 89% of U.S. cities.
- 66°F
- yearly average temperature, NOAA normal
- 87/100
- comfort score, milder than 89% of U.S. cities
- 57.0"
- annual precipitation · 1" snow
- 241 days
- frost-free growing season
Based on NOAA U.S. Climate Normals (1991–2020) - 30-year averages describing the typical year, not a forecast.
Avg Temperature
66°F (19°C)
Avg High
78°F
Avg Low
54°F
Annual Precip
57.0"
Annual Snow
0.6"
Comfort Score
87/100
Excellent
Avg Annual Temperature
66°F
30-year mean (NOAA NCEI)
Annual Precipitation
57.0"
Plus 0.6" of snow
Comfort score vs national 100-point ceiling (Meridian Key Fld) 87.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Excellent for the Meridian Key Fld area.
How Meridian Key Fld compares to every U.S. city
Meridian Key Fld's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
87 Top 11% higher than 89% 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 Meridian Key Fld
MethodologyMeridian Key Fld'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.
- 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 | Snow | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|---|
| January | 59°F (15°C) | 36°F (2°C) | 48°F (9°C) | 5.6" | 0.2" | 14.4 | 0.0 |
| February | 64°F (18°C) | 40°F (4°C) | 52°F (11°C) | 5.3" | 0.0" | 9.5 | 0.0 |
| March | 71°F (22°C) | 46°F (8°C) | 59°F (15°C) | 5.7" | 0.3" | 3.9 | 0.0 |
| April | 78°F (26°C) | 53°F (11°C) | 65°F (19°C) | 5.6" | 0.0" | 0.3 | 0.2 |
| May | 85°F (30°C) | 61°F (16°C) | 73°F (23°C) | 4.2" | 0.0" | 0.0 | 5.6 |
| June | 91°F (33°C) | 69°F (21°C) | 80°F (27°C) | 4.6" | 0.0" | 0.0 | 18.0 |
| July | 93°F (34°C) | 72°F (22°C) | 83°F (28°C) | 5.1" | 0.0" | 0.0 | 24.1 |
| August | 93°F (34°C) | 71°F (22°C) | 82°F (28°C) | 4.4" | 0.0" | 0.0 | 23.2 |
| September | 89°F (32°C) | 66°F (19°C) | 77°F (25°C) | 3.2" | 0.0" | 0.0 | 13.4 |
| October | 80°F (26°C) | 54°F (12°C) | 67°F (19°C) | 3.9" | 0.0" | 0.5 | 1.9 |
| November | 69°F (20°C) | 43°F (6°C) | 56°F (13°C) | 4.2" | 0.0" | 6.8 | 0.0 |
| December | 61°F (16°C) | 39°F (4°C) | 50°F (10°C) | 5.3" | 0.1" | 12.9 | 0.0 |
Monthly Precipitation
Average monthly rainfall and snowfall
January 5.6"
Snow: 0.2"
9.9 days with precipitation
February 5.3"
10.4 days with precipitation
March 5.7"
Snow: 0.3"
10.0 days with precipitation
April 5.6"
8.7 days with precipitation
May 4.2"
9.1 days with precipitation
June 4.6"
10.7 days with precipitation
July 5.1"
11.9 days with precipitation
August 4.4"
9.9 days with precipitation
September 3.2"
7.0 days with precipitation
October 3.9"
6.8 days with precipitation
November 4.2"
8.3 days with precipitation
December 5.3"
Snow: 0.1"
10.4 days with precipitation
Frost Dates & Growing Season
First Fall Freeze
November 12
50% probability date
Last Spring Freeze
March 16
50% probability date
Growing Season
241 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
2,115
Higher = more heating needed
Cooling Degree Days
2,478
Higher = more cooling needed
Warmest Month
July
Coldest Month
January
Humidity & Wind
Monthly averages from hourly observations
| Month | Humidity | Wind (mph) | Clear Sky % | Overcast % |
|---|---|---|---|---|
| January | 71% | 6.7 | 51% | 35% |
| February | 69% | 7.5 | 47% | 34% |
| March | 69% | 7.1 | 51% | 26% |
| April | 72% | 6.3 | 53% | 19% |
| May | 74% | 5.2 | 50% | 15% |
| June | 75% | 4.6 | 56% | 10% |
| July | 76% | 4.3 | 59% | 8% |
| August | 75% | 4.6 | 58% | 11% |
| September | 74% | 5.2 | 64% | 14% |
| October | 75% | 5.2 | 60% | 22% |
| November | 75% | 5.7 | 55% | 28% |
| December | 75% | 6.5 | 48% | 36% |
What Meridian Key Fld's climate means for you
Meridian Key Fld runs 66°F a year - peaking in July, coldest in January.
- Gardeners get about 241 frost-free days, with the last spring freeze near March 16 - plan the planting calendar around it, not the regional average.
- Energy bills track 2,115 heating and 2,478 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: Meridian Key Fld, MS
Meridian Key Fld, Mississippi runs an annual average of 66°F, ranging from a mean daily high of 78°F to a mean daily low of 54°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 USW00013865, these thirty-year averages smooth out year-to-year swings into a baseline for what a typical month looks like here.
Meridian Key Fld averages 57.0 inches of precipitation a year, with 0.6 inches typically falling as snow, and that matters as much to daily life here as temperature does. The frost-free season averages 241 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near March 16 and the first fall freeze near November 12. As for energy demand, 2,115 heating degree days and 2,478 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Meridian Key Fld scores 87/100 (Excellent), 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 Meridian Key Fld, MS? ▼
The average annual temperature in Meridian Key Fld, Mississippi is 66°F. The warmest month averages 93°F (34°C) and the coldest averages 36°F (2°C).
How much rain does Meridian Key Fld get? ▼
Meridian Key Fld receives 57.0 inches of precipitation annually, including 0.6 inches of snow. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Meridian Key Fld? ▼
Meridian Key Fld has a climate comfort score of 87/100 (Excellent), milder than 89% of U.S. cities in the PlainClimate database.
When is the growing season in Meridian Key Fld? ▼
Meridian Key Fld has approximately 241 frost-free days per year, with the last spring freeze around March 16 and the first fall freeze around November 12.
How much energy does heating and cooling require in Meridian Key Fld? ▼
Meridian Key Fld has 2,115 heating degree days and 2,478 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 Meridian Key Fld climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USW00013865 near Meridian Key Fld.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USW00013865. 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.