Harlingen
Texas, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Harlingen, TX

January, the same as December, in Harlingen, Texas, is another pleasant winter month, with average temperature varying between 68.7°F (20.4°C) and 55.4°F (13°C). With an average high-temperature of 68.7°F (20.4°C) and an average low-temperature of 55.4°F (13°C), January is the coldest month. Weather in January »

February, the last month of the winter, in Harlingen, is another pleasant month, with average temperature ranging between min 59.5°F (15.3°C) and max 73.2°F (22.9°C). In February, the average high-temperature is almost the same as in January - a still pleasant 73.2°F (22.9°C). Weather in February »

March, the first month of the spring, in Harlingen, is a warm month, with average temperature ranging between max 78.8°F (26°C) and min 64.2°F (17.9°C). In Harlingen, the average high-temperature slightly increases, from an agreeable 73.2°F (22.9°C) in February, to a warm 78.8°F (26°C). Weather in March »

April, like March, in Harlingen, Texas, is another warm spring month, with average temperature ranging between min 69.1°F (20.6°C) and max 84.7°F (29.3°C). In April, the average high-temperature marginally rises, from 78.8°F (26°C) in March, to a still warm 84.7°F (29.3°C). Weather in April »

May, the last month of the spring, in Harlingen, is a tropical month, with average temperature ranging between min 73.2°F (22.9°C) and max 88.3°F (31.3°C). In Harlingen, the average high-temperature is almost the same as in April - a tropical 88.3°F (31.3°C). Weather in May »

The first month of the summer, June, is still a hot month in Harlingen, Texas, with average temperature fluctuating between 77.4°F (25.2°C) and 92.1°F (33.4°C). In Harlingen, the average high-temperature in June is essentially the same as in May - a still tropical 92.1°F (33.4°C). Weather in June »

July, the same as June, in Harlingen, Texas, is a hot summer month, with temperature in the range of an average low of 78.3°F (25.7°C) and an average high of 93.7°F (34.3°C). In July, the average high-temperature is relatively the same as in June - a still hot 93.7°F (34.3°C). Weather in July »

August, the last month of the summer, in Harlingen, is a sweltering month, with average temperature ranging between min 80.1°F (26.7°C) and max 95°F (35°C). The warmest month is August, with an average high-temperature of 95°F (35°C) and an average low-temperature of 80.1°F (26.7°C). The average heat index is estimated at a blazing hot 117.7°F (47.6°C). Weather in August »

September, the first month of the autumn, in Harlingen, is still a hot month, with average temperature fluctuating between 78.1°F (25.6°C) and 90.5°F (32.5°C). In September, the average high-temperature is practically the same as in August - a hot 90.5°F (32.5°C). Weather in September »

October, like September, in Harlingen, Texas, is a moderately hot autumn month, with temperature in the range of an average high of 85.1°F (29.5°C) and an average low of 71.8°F (22.1°C). In October, the average high-temperature slightly decreases, from a hot 90.5°F (32.5°C) in September, to a moderately hot 85.1°F (29.5°C). Weather in October »

The last month of the autumn, November, is also a moderately hot month in Harlingen, Texas, with average temperature ranging between max 76.5°F (24.7°C) and min 63.7°F (17.6°C). In November, the average high-temperature marginally drops, from a warm 85.1°F (29.5°C) in October, to a still moderately hot 76.5°F (24.7°C). Weather in November »

December, the first month of the winter, in Harlingen, is also an agreeable month, with average temperature varying between 70.7°F (21.5°C) and 58.1°F (14.5°C). In December, the average high-temperature slightly decreases, from a moderately hot 76.5°F (24.7°C) in November, to a pleasant 70.7°F (21.5°C). Weather in December »

What is the coldest month in Harlingen?

The coldest month in Harlingen is January, with an average high-temperature of 68.7°F (20.4°C) and an average low-temperature of 55.4°F (13°C).

How much does it rain in Harlingen?

In Harlingen, Texas, during the entire year, the rain falls for 79.8 days and collects up to 5.24" (133mm) of precipitation.

How many days does it snow in Harlingen?

Throughout the year, there are 0.1 snowfall days.

When it does not snow in Harlingen?

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

What is the driest month in Harlingen?

The month with the least rainfall in Harlingen, Texas, is February when the rain falls for 4.7 days and typically collects 0.16" (4mm) of precipitation.

When does it snow in Harlingen?

The only month with snowfall is February.

When does it snow the most in Harlingen?

February has the most snowfall days of the year in Harlingen, Texas. Snow falls for 0.1 days.

What is the most humid month in Harlingen?

With an average relative humidity of 73%, May is the most humid month.

When are the longest days in Harlingen?

The month with the longest days in Harlingen is June, with an average of 13.8h of daylight.

What is the wettest month in Harlingen?

The month with the most rainfall in Harlingen is July when the rain falls for 6 days and typically aggregates up to 0.87" (22mm) of precipitation.

What month has the most sunshine in Harlingen?

The month with the most sunshine in Harlingen is July, with an average of 11.4h of sunshine.

When is the highest UV index in Harlingen?

The month with the highest UV index in Harlingen is July, with an average maximum UV index of 8.

What is the warmest month in Harlingen?

The warmest month in Harlingen is August, with an average high-temperature of 95°F (35°C) and an average low-temperature of 80.1°F (26.7°C).

What is the least humid month in Harlingen?

August is the least humid month, with an average relative humidity of 65%.

What is the month with the shortest days in Harlingen?

With an average of 10.5h of daylight, December has the shortest days of the year.

What is the month with the least sunshine in Harlingen?

The month with the least sunshine in Harlingen, Texas, is December, with an average of 5.1h of sunshine.

When is the lowest UV index in Harlingen?

With an average maximum UV index of 4, December is the month with the lowest UV index in Harlingen.
Average temperature - Harlingen, TX
Average rainfall - Harlingen, TX

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

Average rainfall days - Harlingen, TX

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

Average snowfall days - Harlingen, TX

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

Average daylight / Average sunshine - Harlingen, TX

The month with the longest days is June (Average daylight: 13.8h).
The month with shortest days is December (Average daylight: 10.5h).

The month with most sunshine is July (Average sunshine: 11.4h).
The month with least sunshine is December (Average sunshine: 5.1h).