2026 Climate Averages

Weather: Houston — May

It's a rainy period, but great for indoor activities, museums, and lower prices.

☔ Climate Overview

May is a wet time to visit Houston. Hot conditions with temperatures reaching 30°C—stay hydrated and seek shade. Rain is common, so pack an umbrella. Being off-peak, you'll find better deals and fewer crowds.

7.5
GoTripzi Score Great

Based on weather comfort, crowds, prices, and activity options

Avg High

30°C

Avg Low

21°C

Rainy days

14days

Daylight

13.6h

Feels like 33°C / 24°C — humidity makes it feel warmer

Rainfall

180mm

Sunshine

10.3h/day

Humidity

78%

Muggy
Sun Strength

8.1

Very High
Wind

19 km/h (gusts 39)

Is May a good time to visit Houston?

It's a rainy period, but great for indoor activities, museums, and lower prices.

Now

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Feels like --
Wind --
Humidity --
UV Index --
Local time —

Air Quality

Travel Context

  • Crowds
    Quiet
  • Travel Costs Shoulder Rates

Daylight

Sunrise

06:30

Sunset

20:07

13.6h daylight

Visiting Houston in May: Pros & Cons

Pros

  • Abundant sunshine for beach and outdoor fun
  • Fewer crowds and better hotel deals

Cons

  • Very high UV — sunscreen and shade essential

Things to Do in May

Recommended for This Weather

🏛️ Museums & galleries
🍳 Cooking classes & food tours
🎭 Cultural tours & local experiences

Houston Weather by Month

Month Avg High Avg Low Rain Sunshine Humidity UV Index Crowds Condition
Jan 17°C 7°C 10d (135mm) 6.3h
72% Humid
4.1 Moderate
Good
Feb 19°C 9°C 9d (62mm) 6.7h
75% Humid
4.8 Moderate
Good
Mar 24°C 14°C 11d (70mm) 8.4h
73% Humid
6.4 High
Excellent
Apr 26°C 17°C 11d (101mm) 9.1h
74% Humid
7.5 Very High
Excellent
May Current 30°C 21°C 14d (180mm) 10.3h
78% Muggy
8.1 Very High
Wet
Jun 32°C 24°C 14d (106mm) 11.7h
77% Muggy
9 Very High
Wet
Jul 33°C 25°C 15d (162mm) 11h
78% Muggy
8.4 Very High
Wet
Aug 34°C 25°C 16d (114mm) 11h
76% Muggy
8.4 Very High
Wet
Sep 32°C 22°C 11d (114mm) 9.8h
76% Muggy
7.3 Very High
Good
Oct 28°C 17°C 7d (74mm) 9.2h
72% Humid
6.3 High
Excellent
Nov 23°C 13°C 9d (110mm) 7.7h
76% Humid
4.5 Moderate
Excellent
Dec 20°C 11°C 9d (90mm) 7.1h
77% Humid
3.9 Moderate
Good

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Where to Stay

See hotels, apartments & rentals around Houston – live prices from Booking.com, Expedia, Vrbo and more

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Houston

Space City pairs NASA heritage with America's most diverse food scene, a sprawling museum district, and FIFA World Cup 2026 matches at NRG Stadium.

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What to Pack for May

Light, breathable fabrics like cotton and linen are essential. Opt for loose-fitting clothing in light colors to stay cool. A waterproof jacket and shoes are non-negotiable — showers are frequent. Don't forget a wide-brimmed hat and high-SPF sunscreen — the sun is strong.

Warm Quiet

🎒Personalized Packing List

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Your Packing List

📋Essentials
👕Clothing
👟Footwear
🎒Accessories
🧴Toiletries & Health

Planning a trip to Houston?

💰 Off-peak — great deals available now

Frequently Asked Questions

Is May a good time to visit Houston?
May is typically wet for visiting Houston, with average highs of 30°C and around 14 rainy days. Plan your activities accordingly—outdoor sightseeing is best on dry days, while rainy days are perfect for museums and indoor attractions.
Does it get cold at night in Houston in May?
Nights stay pleasantly warm in Houston during May, around 21°C. Light evening wear is sufficient, and outdoor dining is very comfortable. Many locals and visitors enjoy late-night walks and outdoor activities after sunset.
What should I pack for Houston in May?
With highs of 30°C and lows of 21°C in May, we recommend: Compact umbrella, Waterproof jacket/shell, Water-resistant shoes, Lightweight breathable clothes. Layering is key as temperatures can vary between air-conditioned interiors and outdoors. Comfortable walking shoes are essential for cobblestone streets.
Does it rain a lot in Houston in May?
Houston typically sees around 14 rainy days in May. Rain is usually in the form of brief showers rather than all-day downpours, so a compact umbrella is sufficient. Mornings tend to be drier, making them ideal for outdoor sightseeing.
How many hours of daylight are there in Houston in May?
In May, Houston gets approximately 13.6 hours of daylight per day. This affects how much sightseeing you can fit in—longer days mean more time for outdoor activities, while shorter days are perfect for cozy museum visits and early dinners.
Is May peak season in Houston?
No, May is not peak season in Houston. Expect better value on accommodation, shorter queues at attractions, and fewer tourists at popular spots. This is an excellent time to experience the city like a local and enjoy a more authentic atmosphere.

Weather Data: Based on 2020–2025 historical climate data from Open-Meteo

Solar calculations: SunCalc (timezone: America/Chicago)

Last Updated: February 2026

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