Harris County (Houston)
May
Weather in Harris County, Texas for May 2027
Your guide to Harris County weather in May - trends and predictions
In general, the average temperature in Harris County at the beginning of May is 29 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 31.3 °C by the end of May.
The climate of Harris County in May is notably wet, with an average of 13 rainy days, and a total of 198.8 mm of precipitation.
Is May a good time to visit Harris County? check out the best time to travel to Harris County page.
✨ Is May a good time to visit Harris County? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
18
Dry days
13
Rainy days
0
Snow days
30°/22°
Temperatures
19 km/h
Avg max wind
72 %
Avg humidity
Harris County Weather May
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Temperatures trend during May in Harris County
See the weather trend as well as the moving average line
May weather in Harris County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Moderate rain | 27° /19° | 19.7 mm | 6 | |
| May 2 |  Thundery outbreaks possible | 29° /19° | 0.9 mm | 7 | |
| May 3 | Thundery outbreaks possible | 29° /20° | 0.5 mm | 8 | |
| May 4 |  Light rain | 29° /20° | 2.8 mm | 7 | |
| May 5 | Light rain | 30° /21° | 2.9 mm | 6 | |
| May 6 | Light rain | 31° /22° | 4.3 mm | 7 | |
| May 7 | Light rain | 30° /22° | 7.5 mm | 7 | |
| May 8 | Light rain | 31° /22° | 4.3 mm | 7 | |
| May 9 |  Moderate or heavy rain shower | 30° /22° | 8.5 mm | 7 | |
| May 10 | Moderate rain | 30° /22° | 10.3 mm | 8 | |
| May 11 |  Heavy rain at times | 28° /20° | 5.8 mm | 7 | |
| May 12 | Moderate or heavy rain shower | 30° /20° | 6.3 mm | 7 | |
| May 13 | Light rain | 31° /20° | 9.2 mm | 8 | |
| May 14 | Light rain | 32° /21° | 4.6 mm | 8 | |
| May 15 |  Patchy rain possible | 31° /22° | 1.2 mm | 8 | |
| May 16 | Moderate or heavy rain shower | 30° /22° | 7 mm | 7 | |
| May 17 | Moderate or heavy rain shower | 31° /23° | 6.5 mm | 7 | |
| May 18 | Patchy rain possible | 32° /23° | 1.7 mm | 7 | |
| May 19 | Moderate rain | 31° /23° | 17.3 mm | 7 | |
| May 20 |  Heavy rain | 31° /23° | 25 mm | 7 | |
| May 21 | Light rain | 30° /23° | 5.4 mm | 7 | |
| May 22 | Moderate or heavy rain shower | 29° /22° | 8.1 mm | 7 | |
| May 23 | Moderate rain | 30° /22° | 10 mm | 7 | |
| May 24 | Moderate or heavy rain shower | 29° /22° | 5.4 mm | 6 | |
| May 25 | Moderate or heavy rain shower | 31° /22° | 6.8 mm | 7 | |
| May 26 | Patchy rain possible | 32° /22° | 1 mm | 8 | |
| May 27 | Thundery outbreaks possible | 32° /23° | 6.3 mm | 8 | |
| May 28 | Light rain | 32° /23° | 4.2 mm | 8 | |
| May 29 | Light rain | 31° /23° | 3.4 mm | 8 | |
| May 30 | Patchy rain possible | 31° /23° | 0.9 mm | 8 | |
| May 31 | Patchy rain possible | 31° /23° | 0.8 mm | 8 | |
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Important Notice
Our weather forecast for Harris County in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Harris County forecast closer to your planned date for the most up-to-date weather information.
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Harris County in May - FAQ
What are the expected maximum and minimum temperatures in Harris County during May?
During May, expect a variety of temperatures with highs around 30° and lows near 22°, suitable for diverse activities and preferences.
How much rainfall should be expected in Harris County during May?
Significant rainfall exceeding 198.8 mm is expected in Harris County during May, occurring over more than 13 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Harris County during May?
The average wind speed in Harris County during May is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Harris County
Explore the daily rainfall trends and prepare for Harris Countys May weather 💧
Typically, Harris County has 13 rainy days in May with a total of 198.8 mm of rainfall.
UV exposure in Harris County during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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