Houston Weather in May

May in Houston averages 30°C (86°F) during the day and 21°C (70°F) at night. Quite a bit of rainfall is typical this month, with around 161 mm (6.3 in) on average. An umbrella is a good idea.

Rainfall in Houston in May

The climate data from previous years indicates about 9 days of rain, averaging 161 mm (6.3 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Houston in May

In May, Houston sees high temperatures, with highs of 30°C (86°F). Nights drop to around 21°C (70°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights are mild at around 21°C (70°F), which is comfortable for most people.

Sunshine in Houston in May

Enjoy a sunny month with about 250 hours of sunshine, the clear skies make Houston even more beautiful.

Wind Speed in Houston in May

May has wind speeds averaging 3 m/s (6 knots). You can expect comfortable light winds that steadily move flags and feel mild throughout the day. Since this is an average, daily conditions vary from gentle winds to more active breezes.

Should you favor a climate that's both dry and comfortably warm, March typically offers the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.