October weather forecast
Harlingen, TX

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Weather in October

October, the same as September, is another warm autumn month in Harlingen, Texas, with an average temperature ranging between max 85.1°F and min 71.8°F.

Temperature

October is characterized by a mild reduction in the average high-temperature, from a hot 90.5°F in September to a warm 85.1°F. The average temperature during October nights in Harlingen is registered at a pleasant 71.8°F.

Heat index

Throughout October, the heat index is calculated to be a tropical 91.4°F. Extra precautions are necessary, heat cramps and heat exhaustion are plausible outcomes. Extended activity could lead to heatstroke.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a measure of how hot it feels when the actual air humidity is factored in. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.

Humidity

In Harlingen, the average relative humidity in October is 68%.

Rainfall

In Harlingen, Texas, during October, the rain falls for 7.5 days and regularly aggregates up to 0.79" of precipitation. Throughout the year, in Harlingen, there are 79.8 rainfall days, and 5.24" of precipitation is accumulated.

Snowfall

January, March through December are months without snowfall.

Daylight

The average length of the day in October in Harlingen is 11h and 32min.
On the first day of October, sunrise is at 7:23 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 6:49 pm CDT.

Sunshine

The average sunshine in October in Harlingen is 7.6h.

UV index

The average daily maximum UV index in October is 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: In October, the average maximum UV index of 6 translates into the following recommendations:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.
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FAQ

How hot is it in Harlingen in October?

The average high-temperature, in October, in Harlingen, is 85.1°F, while the average low-temperature is 71.8°F. In October, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, is calculated to be 91.4°F.

What is the average humidity in October in Harlingen?

In Harlingen, Texas, the average relative humidity in October is 68%.

How much does it rain in Harlingen in October?

In Harlingen, in October, during 7.5 rainfall days, 0.79" of precipitation is typically accumulated.

When it does not snow in Harlingen?

In Harlingen, Texas, snow does not fall in January, March through December.

What is the average length of the day in October in Harlingen?

In Harlingen, Texas, the average day length in October is 11h and 32min.

What time are sunrise and sunset in October in Harlingen?

On the first day of October, sunrise is at 7:23 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 6:49 pm CDT.

How many hours of sunshine does Harlingen have in October?

In October, the average sunshine duration in Harlingen, Texas, is 7.6h.

What is the UV index reading in October in Harlingen?

In October, the average daily maximum UV index in Harlingen, Texas, is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Harlingen, TX

Average temperature in October - Harlingen, TX
  • Average high temperature in October: 85.1°F

The warmest month (with the highest average high temperature) is August (95°F).
The month with the lowest average high temperature is January (68.7°F).

  • Average low temperature in October: 71.8°F

The month with the highest average low temperature is August (80.1°F).
The coldest month (with the lowest average low temperature) is January (55.4°F).

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Average pressure in October
Harlingen, TX

Average pressure in October - Harlingen, TX
  • Average pressure in October: 29.96"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

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Average wind speed in October
Harlingen, TX

Average wind speed in October - Harlingen, TX
  • Average wind speed in October: 9.6mph

The windiest months (with the highest average wind speed) are March and April (12.1mph).
The calmest month (with the lowest average wind speed) is September (8.9mph).

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Average humidity in October
Harlingen, TX

Average humidity in October - Harlingen, TX
  • Average humidity in October: 68%

The month with the highest relative humidity is May (73%).
The month with the lowest relative humidity is August (65%).

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Average rainfall in October
Harlingen, TX

Average rainfall in October - Harlingen, TX
  • Average rainfall in October: 0.79"

The wettest month (with the highest rainfall) is July (0.87").
The driest month (with the least rainfall) is February (0.16").

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Average rainfall days in October
Harlingen, TX

Average rainfall days in October - Harlingen, TX
  • Average rainfall days in October: 7.5 days

The month with the highest number of rainy days is September (11.5 days).
The month with the least rainy days is February (4.7 days).

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Average snowfall days in October
Harlingen, TX

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

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

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

Average daylight in October / Average sunshine in October - Harlingen, TX
  • Average daylight in October: 11h and 3min

The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).

  • Average sunshine in October: 7h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

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Average sunshine days in October
Harlingen, TX

Average sunshine days in October - Harlingen, TX
  • Average sunshine days in October: 21.4 days

The month with the most sunshine days is March (23.3 days).
The month with the least sunshine days is September (15.6 days).

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Average UV index in October
Harlingen, TX

Average UV index in October - Harlingen, TX
  • Average UV index in October: 6

The month with the highest UV index is July (UV index 8).
The month with the lowest UV index is December (UV index 4).

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Average cloud cover in October
Harlingen, TX

Average cloud cover in October - Harlingen, TX
  • Average cloud cover in October: 27

The month with the most cloud cover is December (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 18).

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Average visibility in October
Harlingen, TX

Average visibility in October - Harlingen, 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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Harlingen, Texas, USA

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