October weather forecast and climate
Houston, TX

A beautiful park in Root square overlooking the central business district of Houston, Texas, USA
A beautiful park in Root square overlooking the central business district of Houston, Texas, USA
October, like September, in Houston, Texas, is another warm autumn month, with average temperature fluctuating between 64.2°F (17.9°C) and 81°F (27.2°C).

Temperature

In Houston, the average high-temperature in October marginally drops, from a hot 88.3°F (31.3°C) in September, to a moderately hot 81°F (27.2°C). In October, in Houston, the average low-temperature is 64.2°F (17.9°C).

Heat index

The average heat index is estimated at 84.6°F (29.2°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'felt air temperature', 'real feel', or 'apparent temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. This effect is individual, with diverse people perceiving weather differently for numerous reasons (metabolic differences, pregnancy, wind), and activity. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

August and October, with an average relative humidity of 70%, are the least humid months.

Rainfall

In Houston, in October, it is raining for 12.4 days, with typically 3.07" (78mm) of accumulated precipitation. Throughout the year, in Houston, there are 180.5 rainfall days, and 35.35" (898mm) of precipitation is accumulated.

Snowfall

February through November are months without snowfall.

Daylight

The average length of the day in Houston is 11.4h.

Sunshine

In October, the average sunshine in Houston is 6.9h.

UV index

The average daily maximum UV index in October is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in October in Houston?

In Houston, Texas, in October, the average high-temperature is 81°F (27.2°C), and the average low-temperature is 64.2°F (17.9°C). In October, the average heat index (a.k.a. 'apparent temperature', 'feels like'), that factores the actual air temperature with the relative humidity, is estimated at 84.6°F (29.2°C).

What are the least humid months in Houston?

August and October, with an average relative humidity of 70%, are the least humid months.

What is the average humidity in October in Houston?

In October, the average relative humidity in Houston, Texas, is 70%.

How many days does it rain in October in Houston?

In Houston, Texas, during October, the rain falls for 12.4 days and regularly aggregates up to 3.07" (78mm) of precipitation.

When it does not snow in Houston?

February through November are months without snowfall in Houston, Texas.

How many hours of daylight does Houston have in October?

In Houston, Texas, the average length of the day in October is 11.4h.

How long on average sun shines in October in Houston?

In October, the average sunshine in Houston is 6.9h.

What is the UV index reading in October in Houston?

In Houston, the average daily maximum UV index in October is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to the UV radiation.
Average temperature in October - Houston, TX
  • Average high temperature in October: 81°F

The warmest month (with the highest average high temperature) is August (94.3°F).
The month with the lowest average high temperature is January (61.3°F).

  • Average low temperature in October: 64.2°F

The month with the highest average low temperature is August (77.5°F).
The coldest month (with the lowest average low temperature) is January (46°F).

Average pressure in October - Houston, TX
  • Average pressure in October: 30.01"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.93").

Average wind speed in October - Houston, TX
  • Average wind speed in October: 6.8mph

The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is September (5.9mph).

Average humidity in October - Houston, TX
  • Average humidity in October: 70%

The month with the highest relative humidity is February (78%).
Months with the lowest relative humidity are August and October (70%).

Average rainfall in October - Houston, TX
  • Average rainfall in October: 3.07"

The wettest month (with the highest rainfall) is September (4.49").
The driest month (with the least rainfall) is February (1.77").

Average rainfall days in October - Houston, TX
  • Average rainfall days in October: 12.4 days

The month with the highest number of rainy days is September (19.5 days).
The month with the least rainy days is January (11.8 days).

Average snowfall in October - Houston, TX
  • Average snowfall in October: 0"

The month with the highest snowfall is December (0.08").
Months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").

Average snowfall days in October - Houston, TX
  • Average snowfall days in October: 0 days

Months with the highest number of snowfall days are January and December (0.1 days).
Months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).

Average daylight in October / Average sunshine in October - Houston, TX
  • Average daylight in October: 11.4h

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

  • Average sunshine in October: 6.9h

The month with the most sunshine is August (Average sunshine: 10.5h).
The month with the least sunshine is December (Average sunshine: 4.8h).

Average sunshine days in October - Houston, TX
  • Average sunshine days in October: 16.1 days

The month with the most sunshine days is January (16.3 days).
The month with the least sunshine days is September (7.9 days).

Average UV index in October - Houston, TX
  • Average UV index in October: 5

Months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in October - Houston, TX
  • Average cloud cover in October: 29

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in October - Houston, TX
  • Average visibility in October: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).