When to go · Houston
Houston in May
Good month. Outside the best window (Oct–Apr). Across United States: Warm and green; Memorial Day (last Monday) opens the summer season; timed-entry systems start at some parks.
Key facts
- Verdict
- Good
- Temperature
- 31°C (88°F)88°F (31°C) / 20°C (68°F)68°F (20°C)
- average high / low
- Rain days
- 11
- Crowds
- Medium
- United States overall
- Prices
- Medium
- United States overall
Verdict
Outside the best window (Oct–Apr). Across United States: Warm and green; Memorial Day (last Monday) opens the summer season; timed-entry systems start at some parks.
Is another month better than May?
May is rated good. These months rate higher:
Weather in May
- HoustonHighs around 31 °C (88 °F), lows around 20 °C (68 °F), rain on about 11 daysHighs around 88 °F (31 °C), lows around 68 °F (20 °C), rain on about 11 days
- Gulf and Deep South, United States · New Orleans, Houston, Nashville, Atlantabest weather
Spring and autumn are comfortable; summer is hot and humid; hurricanes reach the Gulf coast.
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Memorial Day big impact
Last Monday of May · United States
Start of summer; roads and beaches full.
Crowds and prices
- Crowds · United States overall
- Medium
- Prices · United States overall
- Medium
United States overall: Warm and green; Memorial Day (last Monday) opens the summer season; timed-entry systems start at some parks.
Compare two months
Weather, crowds and prices for any two months in Houston, side by side.
Verdict
May: Good
Jan: Great (better)
Daytime high
May: 31 °C (88 °F)88 °F (31 °C)
Jan: 18 °C (64 °F)64 °F (18 °C)
Night low
May: 20 °C (68 °F)68 °F (20 °C)
Jan: 6 °C (43 °F)43 °F (6 °C)
Rain days
May: 11
Jan: 10 (better)
Crowds
May: Medium
Jan: Low
Prices
May: Medium
Jan: Low
Festivals listed
May: 1
Jan: 0
May: Outside the best window (Oct–Apr). Across United States: Warm and green; Memorial Day (last Monday) opens the summer season; timed-entry systems start at some parks.
January: Inside Houston's best window: Oct–Apr.
Houston: figures are long-term averages from this guide, not a forecast.
What to pack
- Light, breathable clothes, a sun hat and sunscreen
- A rain jacket or umbrella and shoes that dry fast