Galveston (TX) Temperatures: Monthly Averages and Year-Round Insights
On this page, we’ll explore Galveston’s temperature statistics in detail, including day and night variations and monthly averages. We’ll also compare the annual temperature to other cities in the United States of America.
Monthly Temperature Averages
Depending on the time of the year, temperatures range from very warm to mild in Galveston. Average maximum daytime temperatures reach a very warm 33°C in August. In January, the coolest month of the year, temperatures drop to a mild 16°C. At night, expect even cooler temperatures, with lows averaging around 9°C.
The chart below illustrates the average maximum day and minimum night temperatures in Galveston by month:
The lowest temperatures typically occur between 4 AM and 6 AM, while the peak temperatures are generally observed around 3 PM, coinciding with the sun’s strongest heating effect. August, the city’s warmest month, enjoys 282 hours of sunshine.
The chart below shows the average temperature throughout the year:
January, the city’s coldest month, receives about 96 mm of rainfall spread over roughly 10 days. For more information, please visit our Galveston Precipitation page.
Annual Temperatures in the United States of America Compared
The map below shows the annual temperature across the United States of America. You can also select the different months in case you are interested in a specific month.
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Galveston Temperatures Compared World Wide
Galveston’s average annual maximum temperature is 25°C. Let’s compare this with some popular tourist destinations:
In Lisbon, Portugal, the average annual temperature is 21°C, offering warm summers and mild, rainy winters.
Interlaken, Switzerland, the average annual temperature is significantly lower at 8°C, with mild summers and very cold winters.
Chicago, USA, has a significant seasonal range, with an average annual temperature of 15°C.
Melbourne, Australia, has a slightly cooler climate, with an average annual temperature of 20°C.
How are these Temperatures Measured?
Generally, temperature data depicting climate is usually given over a 30-year average in order to reduce short-term fluctuations and reveal better long-term trends in climate conditions.
This temperature data is taken from land-based thermometers, ocean buoys, ships, and satellites. These measurements are transmitted to weather stations and climate centers around the globe where they are processed, averaged, and analyzed in order to monitor the trends and create climate models.
Effects of Temperature on Weather and Climate
Temperature variations influence precipitation patterns in Amsterdam:
Rainfall: Warm air holds more moisture, leading to heavier rain during warmer months. However, precipitation is generally moderate year-round.
Snow: Occasional snowfall occurs in winter, though it rarely lasts very long.
For more detailed information about Galveston’s weather, including monthly rainfall, sunshine hours, and humidity levels, visit our Galveston climate page.
Current temperature in Galveston (TX)
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