October weather forecast
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

Weather in October

October, the same as September, is another warm autumn month in Houston, Texas, with an average temperature varying 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 tropical 88.3°F (31.3°C) in September to a warm 81°F (27.2°C). In Houston, Texas, the average low-temperature is 64.2°F (17.9°C).

Heat index

The average heat index in October is evaluated 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. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'felt air temperature', 'feels like', or 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. Additional factors like activity, pregnancy, metabolic differences, and differences in body mass, height, and shape affect individual temperature impact. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

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

Rainfall

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

Snowfall

In Houston, snow does not fall in February through November.

Daylight

In October, the average length of the day in Houston is 11h and 26min.
On the first day of the month, sunrise is at 7:14 am and sunset at 7:07 pm. On the last day of October, sunrise is at 7:34 am and sunset at 6:35 pm CDT.

Sunshine

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

UV index

In October, the average daily maximum UV index in Houston is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: The daily maximum UV index of 5 in October interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in October in Houston?

The average high-temperature, in October, in Houston, Texas, is 81°F (27.2°C), while the average low-temperature is 64.2°F (17.9°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in October is evaluated at 84.6°F (29.2°C).

What is the least humid month in Houston?

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

What is the average humidity in October in Houston?

The average relative humidity in October is 70%.

How much does it rain in Houston in October?

In October, in Houston, the rain falls for 12.4 days. Throughout October, 3.07" (78mm) of precipitation is accumulated.

When it does not snow in Houston?

In Houston, snow does not fall in February through November.

How many hours of daylight does Houston have in October?

In October, the average day length in Houston is 11h and 26min.

When are sunrise and sunset in October in Houston?

In October, on the first day of the month, sunrise is at 7:14 am and sunset at 7:07 pm. On the last day of the month, in Houston, Texas, sunrise is at 7:34 am and sunset at 6:35 pm CDT.

How long on average sun shines in October in Houston?

The average sunshine duration in October in Houston is 6.9h.

What is the UV index reading in October in Houston?

In Houston, Texas, the average daily maximum UV index in October is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Houston, TX

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).

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Average pressure in October
Houston, TX

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

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

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Average wind speed in October
Houston, TX

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).

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Average humidity in October
Houston, TX

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

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

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Average rainfall in October
Houston, TX

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").

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Average rainfall days in October
Houston, TX

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).

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Average snowfall in October
Houston, TX

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

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

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Average snowfall days in October
Houston, TX

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

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

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Average daylight in October /
Average sunshine in October
Houston, TX

Average daylight in October / Average sunshine in October - Houston, TX
  • Average daylight in October: 11h and 26min

The month with the longest days is June (Average daylight: 14h and 2min).
The month with the shortest days is December (Average daylight: 10h and 16min).

  • Average sunshine in October: 6h and 54min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).

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Average sunshine days in October
Houston, TX

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).

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Average UV index in October
Houston, TX

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

The 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).

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Average cloud cover in October
Houston, TX

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).

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Average visibility in October
Houston, TX

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

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

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