Climate Comfort Score
69/100
Good
NOAA 1991–2020 normals 71°F annual avg Public-domain federal data
Galveston, TX Climate
Temperature, precipitation, and comfort score from NOAA NCEI 1991–2020 normals →
- 71°F
- Avg annual temp
- 69/100
- Comfort score
- -24d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Galveston
Galveston, Texas averages 71°F a year and scores 69/100 on the comfort index - good, milder than 66% of U.S. cities.
- 71°F
- yearly average temperature, NOAA normal
- 69/100
- comfort score, milder than 66% of U.S. cities
- -24 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
71°F (22°C)
Avg High
78°F
Avg Low
65°F
Annual Precip
N/A
Comfort Score
69/100
Good
Avg Annual Temperature
71°F
30-year mean (NOAA NCEI)
Annual Precipitation
N/A
Liquid-equivalent total
Comfort score vs national 100-point ceiling (Galveston) 69.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Good for the Galveston area.
How Galveston compares to every U.S. city
Galveston's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
69 Top 34% higher than 66% 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 Galveston
MethodologySince 1900, U.S. land temperatures have tracked (and diverged from) the global mean - the chart below shows how. Galveston's current NOAA 1991-2020 normal sits within that longer spread, and the most recent decade runs 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 | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|
| January | 63°F (17°C) | 48°F (9°C) | 56°F (13°C) | N/A | 1.7 | 0.0 |
| February | 65°F (19°C) | 51°F (11°C) | 58°F (15°C) | N/A | 0.4 | 0.0 |
| March | 70°F (21°C) | 58°F (15°C) | 64°F (18°C) | N/A | 0.0 | 0.0 |
| April | 76°F (24°C) | 63°F (17°C) | 69°F (21°C) | N/A | 0.0 | 0.0 |
| May | 83°F (28°C) | 72°F (22°C) | 78°F (25°C) | N/A | 0.0 | 0.4 |
| June | 88°F (31°C) | 77°F (25°C) | 83°F (28°C) | N/A | 0.0 | 7.5 |
| July | 90°F (32°C) | 80°F (27°C) | 85°F (29°C) | N/A | 0.0 | 17.2 |
| August | 91°F (33°C) | 79°F (26°C) | 85°F (29°C) | N/A | 0.0 | 20.3 |
| September | 89°F (31°C) | 76°F (24°C) | 82°F (28°C) | N/A | 0.0 | 10.3 |
| October | 81°F (27°C) | 68°F (20°C) | 74°F (24°C) | N/A | 0.0 | 0.8 |
| November | 72°F (22°C) | 58°F (15°C) | 65°F (18°C) | N/A | 0.0 | 0.0 |
| December | 65°F (19°C) | 50°F (10°C) | 58°F (14°C) | N/A | 0.6 | 0.0 |
Monthly Precipitation
Average monthly rainfall
January N/A
February N/A
March N/A
April N/A
May N/A
June N/A
July N/A
August N/A
September N/A
October N/A
November N/A
December N/A
Frost Dates & Growing Season
First Fall Freeze
January 1
50% probability date
Last Spring Freeze
January 25
50% probability date
Growing Season
-24 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
962
Higher = more heating needed
Cooling Degree Days
3,307
Higher = more cooling needed
Warmest Month
July
Coldest Month
January
What Galveston's climate means for you
Galveston runs 71°F a year - peaking in July, coldest in January.
- Gardeners get about -24 frost-free days, with the last spring freeze near January 25 - plan the planting calendar around it, not the regional average.
- Energy bills track 962 heating and 3,307 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: Galveston, TX
Galveston, Texas runs an annual average of 71°F, ranging from a mean daily high of 78°F to a mean daily low of 65°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 USW00012944, these thirty-year averages smooth out year-to-year swings into a baseline for what a typical month looks like here.
Anyone planning to live, garden, or travel in Galveston should weigh precipitation alongside temperature: the annual average runs an uncharted amount, predominantly as rainfall. The frost-free season averages -24 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near January 25 and the first fall freeze near January 1. And on the energy front, 962 heating degree days and 3,307 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Galveston scores 69/100 (Good), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. Use the monthly tables above to plan around specific windows, shoulder seasons for mild highs and lows, peak summer for July-driven heat, or deep winter for January-driven cold. All figures here are thirty-year averages: any single year may run warmer, wetter, drier, or cooler than the normal, so treat them as planning guidance rather than forecasts.
Frequently Asked Questions
What is the average temperature in Galveston, TX? ▼
The average annual temperature in Galveston, Texas is 71°F. The warmest month averages 91°F (33°C) and the coldest averages 48°F (9°C).
How much rain does Galveston get? ▼
Galveston receives an unknown amount of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Galveston? ▼
Galveston has a climate comfort score of 69/100 (Good), milder than 66% of U.S. cities in the PlainClimate database.
When is the growing season in Galveston? ▼
Galveston has approximately -24 frost-free days per year, with the last spring freeze around January 25 and the first fall freeze around January 1.
How much energy does heating and cooling require in Galveston? ▼
Galveston has 962 heating degree days and 3,307 cooling degree days annually, a cooling-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 Galveston climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USW00012944 near Galveston.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USW00012944. 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.