Harlingen, TX weather and climate in 2025
Day
22 °C
Night
12 °C
Sea
19 °C
Precipitation
38 mm
in month
Rainy days
4 days
in month
Daylight
11 hours
average
Sunshine
5 hours
average
Humidity
75 %
Day
22 °C
Night
12 °C
Sea
19 °C
Precipitation
38 mm
in month
Rainy days
4 days
in month
Daylight
11 hours
average
Sunshine
5 hours
average
Humidity
75 %
Overview: Harlingen, TX
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Weather overview for Harlingen, TX
Weather overview
Harlingen, TX (United States of America) in general has a tropical climate. Temperatures during the day are in the range from 21 °C (69 °F) in January to 35 °C (95 °F) in August. Temperatures during the night go from 10 °C (50 °F) in January to 24 °C (76 °F) in August. The least rainy month in Harlingen, TX is April with its 3 days of rain, the rainiest month is September, when it rains 10 days.
January weather
There is pending tourist season in January in Harlingen, TX. The minimum of the day temperature is observable, the value of this measure is 21 °C (69 °F), and the night temperature reaches its minimum too, with its value being 10 °C (50 °F). The number of rainy days starts to rise in this month. The maximum of the humidity can be noticed, with its value of 76 %.
February weather
The beginning of the rise of the day temperature could be noticed, its value is 22 °C (72 °F) in Harlingen, TX, and the night temperature rise's start could be observed as well, its value is 12 °C (53 °F). The tourist season continues, while the dry season is about to start. The number of rainy days starts to descent, the value of this measure is 4 days. The number of sun hours (without clouds) starts to rise, with its value being 5 hours.
March weather
The tourist season is taking place in Harlingen, TX. The day temperature continues to rise, and the night temperature continues to rise as well, its value is 15 °C (59 °F). The number of rainy days continues to descent, the value of this measure is 4 days, while the minimum of the rainfall amount is observable in March. The rise of the number of sun hours (without clouds) can be observed.
Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.April weather
The ongoing tourist season is noticeable in Harlingen, TX. The day temperature continues to rise, its value is 29 °C (83 °F), and the rise of the night temperature can be observed too, its value is 19 °C (65 °F). The minimum of the number of rainy days is observable, with its value being 3 days, while the rainfall amount starts to rise, with its value being 34 mm (1.33 in). The number of sun hours (without clouds) rises similarly to the previous month, the value of this measure is 7 hours.
May weather
The day temperature continues to rise in Harlingen, TX. There is pending tourist season. The rise of the rainfall amount can be observed, with its value being 74 mm (2.91 in), while the beginning of the rise of the number of rainy days could be noticed, with its value of 5 days. The maximum of the wind speed can be noticed, with its value of 5. The number of sun hours (without clouds) continues to rise, with its value of 8 hours.
June weather
The day temperature continues to rise, with its value of 34 °C (92 °F) in Harlingen, TX, and the rise of the night temperature can be observed as well, its value is 24 °C (75 °F). The tourist season continues. The number of rainy days rises similarly to the previous month, with its value being 6 days, while the rainfall amount descent's start could be observed, with its value of 64 mm (2.53 in). The maximum of the day length is observable, the value of this measure is 14 hours.
July weather
The day temperature continues to rise, with its value of 34 °C (94 °F) in Harlingen, TX. The tourist season is close to its peak. The number of rainy days starts to descent, with its value of 5 days, while the descent of the rainfall amount can be observed. The maximum of the number of sun hours (without clouds) is observable, the value of this measure is 10 hours. The minimum of the humidity is observable in this month.
We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.August weather
The maximum of the day temperature can be noticed, with its value of 35 °C (95 °F) in Harlingen, TX, and the maximum of the night temperature can be noticed too in this month. The number of rainy days starts to rise, the value of this measure is 6 days. The number of sun hours (without clouds) starts to descent in August. There is pending tourist season.
September weather
The tourist season is close to its peak this month in Harlingen, TX. The day temperature descent's start could be observed, with its value being 33 °C (91 °F), and the beginning of the descent of the night temperature could be noticed too, with its value of 23 °C (73 °F). The number of rainy days is on its maximum, its value is 10 days, and the rainfall amount reaches its maximum as well, with its value being 145 mm (5.70 in). The descent of the number of sun hours (without clouds) can be observed, its value is 8 hours.
October weather
The day temperature continues to descent, with its value of 30 °C (85 °F) in Harlingen, TX, and the descent of the night temperature can be observed too, its value is 19 °C (66 °F). The tourist season continues this month. The rainfall amount starts to descent, and the number of rainy days starts to descent too, with its value being 6 days. The descent of the number of sun hours (without clouds) can be observed, its value is 7 hours.
November weather
The ongoing tourist season is noticeable this month in Harlingen, TX. The descent of the day temperature can be observed, and the descent of the night temperature can be observed as well, with its value of 15 °C (59 °F). The descent of the rainfall amount can be observed, with its value being 40 mm (1.57 in), and the descent of the number of rainy days can be observed too, its value is 5 days. The number of sun hours (without clouds) descents similarly to the previous month, its value is 5 hours.
December weather
The tourist season is taking place this month in Harlingen, TX. The day temperature descents similarly to the previous month, with its value of 22 °C (71 °F), and the descent of the night temperature can be observed too, its value is 11 °C (51 °F). The day length reaches its minimum, its value is 10 hours. The minimum of the number of sun hours (without clouds) is observable.
FAQs
What is the temperature in Harlingen, TX during the day in February?
In Harlingen, TX in February, the average daily temperatures will be 22 °C (72 °F). A comfortable temperature for most people, where it is neither too cold nor too hot, and a large number of activities can be carried out comfortably, including sunbathing by the water. This value is 2 °C (35 °F) higher than last month. Lighter clothing will be suitable - shorts, skirts, t-shirts, jackets; a light sweater and long trousers may also be useful.
Is it hot in Harlingen, TX in March?
In Harlingen, TX in March, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.
Is there a wet season in Harlingen, TX in April?
No, there is no wet season in Harlingen, TX in April - you can expect 3 days of rain during the month.
What is the humidity in Harlingen, TX in May?
In Harlingen, TX in May, expect humidity around 76 %. This humidity is rather above average, but except for sensitive individuals, it should not be a problem.
Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.How windy is it in Harlingen, TX in June?
An average wind scale that can be expected in June in Harlingen, TX is 5.
How many sunny hours can I expect in Harlingen, TX in July?
In Harlingen, TX in July, you can expect around 10 hours of sunshine.
What is the night temperature in August in Harlingen, TX?
The average night temperature in August in Harlingen, TX is 24 °C (76 °F). A very pleasant temperature for long evening walks, fun over a drink outside, or doing sports in the morning. If possible, look for a hotel with air conditioning.
Is September part of the dry season in Harlingen, TX?
No, September is not a dry month in Harlingen, TX, expect rain approximately 10 days in a month.
How many days of precipitation on average can I expect in Harlingen, TX in October?
In Harlingen, TX in October, we can expect 6 days to be rainy, that is, days when precipitation exceeds 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 1.5 days of the week, or in general - 21 % days. This is a decrease of 4 days compared to the last month. This is 38 % decrease of the indicator.
Is November a good month to visit Harlingen, TX?
There are good conditions for visiting in November in Harlingen, TX. The daily temperatures in this month reach pleasant 26 °C (78 °F). The seawater temperature reaches ideal 24 °C (75 °F). There are only 5 days of rain in the whole month, so you can leave your umbrella at home. The temperature of 15 °C (59 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.
What is the sea temperature in December in Harlingen, TX?
In Harlingen, TX in December expect the sea to be warm at 22 °C (71 °F). The sea at this temperature is quite cold, but it is already possible to stay in it for a long time and it is pleasantly refreshing on hot, steamy days. This is a decrease of 2 °C (36 °F) compared to the last month.
We make the most from 40 years of historical weather data to predict the best weather conditions.
Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.
We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.