Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
During the shift to October, Harlingen records a mild decrease in average high-temperature, moving from a hot 90.5°F (32.5°C) in September to a warm 85.1°F (29.5°C). Harlingen observes an average low-temperature of 71.8°F (22.1°C) during October.Heat index
In October, the average heat index is estimated at a hot 91.4°F (33°C). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.Evaluating the heat index requires understanding its values in the shade and with gentle winds. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. 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 often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Humidity
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" (20mm) of precipitation. Throughout the year, there are 79.8 rainfall days, and 5.24" (133mm) of precipitation is accumulated.Snowfall
In Harlingen, snow does not fall in January, March through December.Daylight
In Harlingen, the average length of the day in October is 11h and 32min.On the first day of the month, sunrise is at 7:23 am and sunset at 7:16 pm. On the last day of October, sunrise is at 7:39 am and sunset at 6:49 pm CDT.
Sunshine
In October, the average sunshine in Harlingen is 7.6h.UV index
In October, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In October, the maximum UV index of 6 suggests these recommendations:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in October?
What is the average humidity in October?
How many days does it rain in October?
When it does not snow?
What is the average length of the day in October?
When are sunrise and sunset in October?
How many hours of sunshine does Harlingen have in October?
How high is the UV index in October?
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).
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).
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).
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%).
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").
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).
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).
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).
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).
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).
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).
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).
Harlingen, Texas, USA
Weather forecast for your location
2. Allow the app to use your location