Climate and monthly weather forecast
Harlingen, NJ

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Weather in January

January, the same as December, is another cold winter month in Harlingen, New Jersey, with an average temperature ranging between min 24.3°F (-4.3°C) and max 36.9°F (2.7°C). In Harlingen, January is the coldest month, with temperatures averaging a high of 36.9°F (2.7°C) and a low of 24.3°F (-4.3°C). Weather in January »

Weather in February

February, the last month of the winter in Harlingen, is also a wintry month, with an average temperature fluctuating between 26.1°F (-3.3°C) and 39.9°F (4.4°C). The beginning of February records an average high-temperature of a still cold 39.9°F (4.4°C), marking a negligible difference from January's 36.9°F (2.7°C). Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in Harlingen, New Jersey, with an average temperature ranging between max 48.6°F (9.2°C) and min 33.3°F (0.7°C). In Harlingen, the onset of March comes with a modest high-temperature shift, transitioning from February's icy 39.9°F (4.4°C) to a frosty 48.6°F (9.2°C). Weather in March »

Weather in April

April in Harlingen, New Jersey, is a refreshing spring month, with an average temperature fluctuating between 60.4°F (15.8°C) and 43.3°F (6.3°C). April's onset brings a rise in the average high-temperature, moving from a frosty 48.6°F (9.2°C) in March to a moderate 60.4°F (15.8°C). Weather in April »

Weather in May

May, the last month of the spring in Harlingen, is a pleasant month, with temperature in the range of an average low of 53.2°F (11.8°C) and an average high of 70.5°F (21.4°C). With the onset of May, Harlingen experiences a temperature shift, with the average high-temperature moving from a moderate 60.4°F (15.8°C) in April to an agreeable 70.5°F (21.4°C). Weather in May »

Weather in June

June, the first month of the summer in Harlingen, is a warm month, with an average temperature ranging between max 78.4°F (25.8°C) and min 61°F (16.1°C). Observing a slight rise in June, the average high-temperature shifts from May's agreeable 70.5°F (21.4°C) to a warm 78.4°F (25.8°C). Weather in June »

Weather in July

July, like June, in Harlingen, New Jersey, is another warm summer month, with an average temperature fluctuating between 66.9°F (19.4°C) and 84.7°F (29.3°C). July, known for its average high temperature of 84.7°F (29.3°C) and an average low temperature of 66.9°F (19.4°C), is the warmest month. In July, the average heat index is estimated at a tropical 93.2°F (34°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Harlingen, New Jersey, with temperature in the range of an average high of 82.9°F (28.3°C) and an average low of 65.8°F (18.8°C). Harlingen, New Jersey, records an average high-temperature of a still warm 82.9°F (28.3°C) in August, closely mirroring the climate of the previous month. Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Harlingen, New Jersey, with an average temperature varying between 75.7°F (24.3°C) and 59°F (15°C). As Harlingen enters September, the average high-temperature subtly lowers from the 82.9°F (28.3°C) of August to a still warm 75.7°F (24.3°C). Weather in September »

Weather in October

October, like September, in Harlingen, New Jersey, is another enjoyable autumn month, with an average temperature ranging between max 63.9°F (17.7°C) and min 49.1°F (9.5°C). In Harlingen, entering October brings a temperature decrement, reducing from September's moderately hot 75.7°F (24.3°C) to a refreshing 63.9°F (17.7°C). Weather in October »

Weather in November

November, the last month of the autumn in Harlingen, is also a fresh month, with an average temperature ranging between min 37.8°F (3.2°C) and max 51.8°F (11°C). November's onset corresponds with a shift in the average high-temperature, moving from an enjoyable 63.9°F (17.7°C) in October to a fresh 51.8°F (11°C). Weather in November »

Weather in December

December, the first month of the winter in Harlingen, is also a frosty month, with an average temperature fluctuating between 31.1°F (-0.5°C) and 43°F (6.1°C). With the beginning of December, the average high-temperature shows a small decrease, transitioning from a cool 51.8°F (11°C) in November to a frosty 43°F (6.1°C). Weather in December »
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest in Harlingen?

In Harlingen, the average lowest temperatures are observed in January, with a high of 36.9°F (2.7°C) and a low of 24.3°F (-4.3°C).

How many days does it rain in Harlingen?

In Harlingen, during the entire year, the rain falls for 119.3 days and collects up to 12.72" (323mm) of precipitation.

When does it snow in Harlingen?

Months with snowfall are January through May, November and December.

How many days does it snow in Harlingen?

Throughout the year, there are 16.4 snowfall days, and 4.41" (112mm) of snow is accumulated.

When is the lowest UV index in Harlingen?

The months with the lowest UV index in Harlingen, New Jersey, are January through March, November and December, with an average maximum UV index of 2.

What is the month with the least sunshine in Harlingen?

The month with the least sunshine in Harlingen is February, with an average of 4.8h of sunshine.

When does it snow the most in Harlingen?

The month with the most snowfall in Harlingen is March, when snow falls for 3.7 days and typically aggregates up to 1.42" (36mm) of snow.

When is Daylight Saving Time (DST) in Harlingen?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Harlingen, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

What is the least humid month in Harlingen?

With an average relative humidity of 73%, April is the least humid month.

When it does not snow in Harlingen?

June through October are months without snowfall.

When are the longest days in Harlingen?

June has the longest days of the year in Harlingen, New Jersey, with an average of 15h and 0min of daylight.

When is the highest UV index in Harlingen?

June through August, with an average maximum UV index of 6, are months with the highest UV index in Harlingen, New Jersey.

What month is the hottest in Harlingen?

Temperature records in Harlingen mark July as the warmest month, with highs averaging 84.7°F (29.3°C) and lows at 66.9°F (19.4°C).

What is the wettest month in Harlingen?

The month with the most rainfall in Harlingen is July, when the rain falls for 13.9 days and typically aggregates up to 1.69" (43mm) of precipitation.

What month has the most sunshine in Harlingen?

The month with the most sunshine is July, with an average of 10.5h of sunshine.

What is the driest month in Harlingen?

September is the month with the least rainfall in Harlingen, New Jersey. Rain falls for 10 days and accumulates 0.67" (17mm) of precipitation.

What is the most humid month in Harlingen?

The most humid month in Harlingen, New Jersey, is October, with an average relative humidity of 79%.

What is the month with the shortest days in Harlingen?

With an average of 9h and 18min of daylight, December has the shortest days of the year in Harlingen, New Jersey.

Average temperature
Harlingen, NJ

Average temperature - Harlingen, NJ

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.9°F).

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure
Harlingen, NJ

Average pressure - Harlingen, NJ

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed
Harlingen, NJ

Average wind speed - Harlingen, NJ

The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity
Harlingen, NJ

Average humidity - Harlingen, NJ

The month with the highest relative humidity is October (79%).
The month with the lowest relative humidity is April (73%).

Average rainfall
Harlingen, NJ

Average rainfall - Harlingen, NJ

The wettest month (with the highest rainfall) is July (1.69").
The driest month (with the least rainfall) is September (0.67").

Average rainfall days
Harlingen, NJ

Average rainfall days - Harlingen, NJ

The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is January (6.1 days).

Average snowfall
Harlingen, NJ

Average snowfall - Harlingen, NJ

The month with the highest snowfall is March (1.42").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days
Harlingen, NJ

Average snowfall days - Harlingen, NJ

The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight / Average sunshine
Harlingen, NJ

Average daylight / Average sunshine - Harlingen, NJ

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

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

Average sunshine days
Harlingen, NJ

Average sunshine days - Harlingen, NJ

The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is July (13.3 days).

Average UV index
Harlingen, NJ

Average UV index - Harlingen, NJ

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover
Harlingen, NJ

Average cloud cover - Harlingen, NJ

The months with the most cloud cover are February, March and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 33).

Average visibility
Harlingen, NJ

Average visibility - Harlingen, NJ

The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).

Harlingen, New Jersey, USA

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