Katy (TX) Temperatures: Monthly Averages and Year-Round Insights
On this page, we’ll explore Katy’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
Visitors to Katy will encounter a climate influenced by big temperature differences across the year. On average, maximum daytime temperatures range from a very hot 35°C in August to a moderate 17°C in January. Nighttime temperatures can drop, with averages reaching 5°C in January.
The chart below illustrates the average maximum day and minimum night temperatures in Katy by month:
The minimum temperature is often recorded between 4 AM and 6 AM, while the highest temperature is usually reached at 3 PM. During this time the sun's heating effect is the strongest. August, the city’s warmest month receives 270 hours of sunshine.
The chart below shows the average temperature throughout the year:
January, the city’s coldest month, receives about 88 mm of rainfall spread over roughly 8 days. For more information, please visit our Katy 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.
very warm
warm
pleasant
moderate
cold
very cold
Katy Temperatures Compared World Wide
Katy’s average annual maximum temperature is 27°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.
Meanwhile, Queenstown, New Zealand, the average annual temperature is significantly lower at 10°C, with mild summers and cold winters.
The climate in San Francisco, USA, is mild, with an average annual temperature of 19°C and minimal seasonal variation.
In Brisbane, Australia, the average annual temperature is 26°C, making it warmer than Sydney.
How does the temperature feel?
Humidity is an essential factor in how you experience temperature. When a warm period is accompanied by high humidity, it results in a higher perceived temperature. This is especially true when temperatures exceed 25°C, as it can cause greater discomfort.
In Katy, during the coolest month, January, you will experience 75% humidity, which is considered high. This is accompanied by an average maximum temperature of 17°C. In the warmest month, August, the humidity is 75% combined with an average maximum temperature of 35°C, which creates a high-feel temperature. Explore our detailed page on humidity levels for further details.
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.
Temperatures in the Mountains
Although not all regions have mountains, elevated areas exhibit distinct temperature variations.
- Sun Exposure: Sunlit slopes tend to be warmer, while shaded areas remain cooler.
- Altitude Effects: Temperatures drop by approximately 6°C for every 1,000 meters of elevation, creating distinct microclimates.
For more detailed information about Katy’s weather, including monthly rainfall, sunshine hours, and humidity levels, visit our Katy climate page.
Current temperature in Katy (TX)
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