Houston
Texas, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and Climate
Houston, TX

A beautiful park in Root square overlooking the central business district of Houston, Texas
A beautiful park in Root square overlooking the central business district of Houston, Texas
  • The average high temperature in May: 30.2°C

The warmest month (with the highest average high temperature) is August (34.7°C).
The month with the lowest average high temperature is January (17.2°C).

  • The average low temperature in May: 19.8°C

The month with the highest average low temperature is July (23.9°C).
The coldest month (with the lowest average low temperature) is January (6.2°C).

  • The average humidity in May: 75%

The month with the highest relative humidity is September (76.8%).
The month with the lowest relative humidity is March (72.7%).

  • The average rainfall in May: 129.3mm

The wettest month (with the highest rainfall) is June (150.6mm).
The driest month (with the lowest rainfall) is February (81.3mm).

  • The average rainfall days in May: 8 days

The month with the highest number of rainy days is June (10.6 days).
The month with the lowest number of rainy days is April (6.8 days).

  • The average daylight in May: 14h

Months with the longest days are May, June and July (Average daylight: 14h).
Months with shortest days are January and December (Average daylight: 10h).

  • The average sunshine in May: 8h

The month with most sunshine is July (Average sunshine: 9.5h).
The month with least sunshine is January (Average sunshine: 4.6h).

  • The average UV index in May: 10

Months with the highest UV index are June and July (UV index 11).
Months with the lowest UV index are January and December (UV index 4).

deutscheenglishespañolрусский中文