Harris County (Houston)
May
Weather in Harris County for May 2025
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 30 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 32.6 °F by the end of May.
Harris County sees moderate rainfall in May, averaging 10 rainy days.
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21
Dry days
10
Rainy days
0
Snow days
31°/21°
Temperatures
18 km/h
Avg max wind
68 %
Avg humidity
Harris County in May average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  29° | 2  28° | 3 30° | 4  29° | |||
| 5 30° | 6  32° | 7 32° | 8 33° | 9 30° | 10 29° | 11 30° |
| 12 31° | 13 31° | 14 31° | 15 31° | 16 29° | 17 30° | 18 33° |
| 19 33° | 20 32° | 21 29° | 22  30° | 23 33° | 24  32° | 25 33° |
| 26 34° | 27  35° | 28 33° | 29 31° | 30 31° | 31 31° |
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Temperatures trend during May in Harris County
See the weather trend as well as the moving average line
May weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 | Sunny | 29° /18° | 0.1 mm | 7 | |
| May 2 | Partly cloudy | 28° /20° | 0.1 mm | 7 | |
| May 3 | Sunny | 30° /20° | 0.5 mm | 7 | |
| May 4 | Moderate rain at times | 29° /20° | 1.7 mm | 7 | |
| May 5 | Moderate or heavy rain shower | 30° /22° | 7.1 mm | 7 | |
| May 6 | Patchy rain possible | 32° /23° | 0.4 mm | 7 | |
| May 7 | Patchy rain possible | 32° /23° | 0.4 mm | 7 | |
| May 8 | Moderate rain at times | 33° /23° | 1.5 mm | 7 | |
| May 9 | Moderate or heavy rain shower | 30° /22° | 17.1 mm | 7 | |
| May 10 | Moderate or heavy rain shower | 29° /21° | 23.6 mm | 7 | |
| May 11 | Moderate rain at times | 30° /20° | 1.1 mm | 7 | |
| May 12 | Patchy rain possible | 31° /23° | 6.7 mm | 7 | |
| May 13 | Moderate or heavy rain shower | 31° /21° | 27.6 mm | 7 | |
| May 14 | Moderate or heavy rain shower | 31° /20° | 13.8 mm | 7 | |
| May 15 | Moderate or heavy rain shower | 31° /22° | 3.3 mm | 7 | |
| May 16 | Moderate or heavy rain shower | 29° /22° | 9 mm | 7 | |
| May 17 | Patchy rain possible | 30° /21° | 4.2 mm | 7 | |
| May 18 | Sunny | 33° /20° | 0 mm | 8 | |
| May 19 | Sunny | 33° /22° | 0 mm | 8 | |
| May 20 | Patchy rain possible | 32° /22° | 0.4 mm | 7 | |
| May 21 | Patchy rain possible | 29° /22° | 0.6 mm | 7 | |
| May 22 | Overcast | 30° /22° | 0.1 mm | 7 | |
| May 23 | Partly cloudy | 33° /22° | 0 mm | 8 | |
| May 24 | Heavy rain at times | 32° /23° | 0.6 mm | 7 | |
| May 25 | Partly cloudy | 33° /23° | 0 mm | 8 | |
| May 26 | Sunny | 34° /22° | 0 mm | 8 | |
| May 27 | Cloudy | 35° /23° | 0 mm | 8 | |
| May 28 | Cloudy | 33° /23° | 0 mm | 8 | |
| May 29 | Moderate or heavy rain shower | 31° /23° | 2.7 mm | 7 | |
| May 30 | Moderate rain at times | 31° /22° | 0.8 mm | 7 | |
| May 31 | Patchy rain possible | 31° /23° | 0.7 mm | 7 | |
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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.
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 31° and lows near 21°, suitable for diverse activities and preferences.
How much rainfall should be expected in Harris County during May?
Significant rainfall exceeding 245.6 mm is expected in Harris County during May, occurring over more than 10 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 18 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 💧
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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