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

May weather forecast and Climate
Houston, TX

  • Average high temperature in May: 86.3°F

Warmest month (with highest average high temperature) is August (94.5°F).
Month with lowest average high temperature is January (62.9°F).

  • Average low temperature in May: 67.6°F

Month with highest average low temperature is July (75.1°F).
Coldest month (with lowest average low temperature) is January (43.2°F).

  • Average humidity in May: 75%

Month with highest relative humidity is September (76.8%).
Month with lowest relative humidity is March (72.7%).

  • Average rainfall in May: 5.1"

Wettest month (with highest rainfall) is June (5.9").
Driest month (with lowest rainfall) is February (3.2").

  • Average rainfall days in May: 8 days

Month with highest number of rainy days is June (10.6 days).
Month with lowest number of rainy days is April (6.8 days).

  • Average daylight in May: 14h

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

  • Average sunshine in May: 8h

Month with most sunshine is July (Average sunshine: 9.5).
Month with least sunshine is January (Average sunshine: 4.6).

  • Average UV index in May: 10

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

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