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

July 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
July is the sunniest part of the Houston summer, with the sun blazing on the horizon for at least 293 hours during the month. A few days cross even 100°F (37.8°C), while the average temperatures lie in the 75°F (23.9°C) to 93.9°F (34.4°C) range. Nights rarely drop below 60.1°F (15.6°C) and can be stifling within the city center with a pronounced urban heat effect.
July brings 3.8" (96.5mm) of rain, high humidity, and a fair share of thunderstorms. Swimming, boating, and fishing in the rivers and lakes are favorite activities of the populace to escape the hot days of July.

What is the temperature in July in Houston?

The average high-temperature, in July, is 93.7°F (34.3°C), while the average low-temperature is 75°F (23.9°C).

What is the average humidity in July in Houston?

In July, the average relative humidity is 74.4%.

How much does it rain in Houston in July?

In Houston, Texas, during July, the rain falls for 9.1 days and regularly aggregates up to 3.8" (96.3mm) of precipitation.

How many hours of daylight does Houston have in July?

The average length of the day in July in Houston, Texas, is 13.8h.

What month has the most sunshine in Houston?

July has the most sunshine of the year, with an average of 9.5h of sunshine.

How many hours of sunshine does Houston have in July?

In July, the average sunshine in Houston is 9.5h.

What are the months with the highest UV index in Houston?

June and July, with an average maximum UV index of 11, are months with the highest UV index in Houston.

What is the UV index intensity in July in Houston?

The average daily maximum UV index in July in Houston, Texas, is 11. A UV Index reading of 11, and higher, represents an extreme health vulnerability from the exposure to the Sun's UV radiation.
Average temperature in July - Houston, TX
  • Average high temperature in July: 93.7°F

The warmest month (with the highest average high temperature) is August (94.5°F).
The month with the lowest average high temperature is January (62.9°F).

  • Average low temperature in July: 75.1°F

The month with the highest average low temperature is July (75.1°F).
The coldest month (with the lowest average low temperature) is January (43.2°F).

Average humidity in July - Houston, TX
  • Average humidity in July: 74.4%

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

Average rainfall in July - Houston, TX
  • Average rainfall in July: 3.8"

The wettest month (with the highest rainfall) is June (5.9").
The driest month (with the lowest rainfall) is February (3.2").

Average rainfall days in July - Houston, TX
  • Average rainfall days in July: 9.1 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).

Average daylight in July / Average sunshine in July - Houston, TX
  • Average daylight in July: 13.8h

The month with the longest days is June (Average daylight: 14h).
The month with shortest days is December (Average daylight: 10.3h).

  • Average sunshine in July: 9.5h

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

Average UV index in July - Houston, TX
  • Average UV index in July: 11

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).