May weather forecast
Harlingen, NJ

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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).

Temperature

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). Harlingen observes an average nighttime temperature of 53.2°F (11.8°C) during May.

Humidity

In Harlingen, the average relative humidity in May is 78%.

Rainfall

In Harlingen, in May, during 12.6 rainfall days, 1.22" (31mm) of precipitation is typically accumulated. Throughout the year, in Harlingen, there are 119.3 rainfall days, and 12.72" (323mm) of precipitation is accumulated.

Snowfall

January through May, November and December are months with snowfall in Harlingen. May is the last month it regularly snows. During 0.1 snowfall days, in May, Harlingen aggregates 0.2" (5mm) of snow. In Harlingen, during the entire year, snow falls for 16.4 days and aggregates up to 4.41" (112mm) of snow.

Daylight

The average length of the day in May in Harlingen, New Jersey, is 14h and 26min.
On the first day of the month, sunrise is at 5:56 am and sunset at 7:54 pm. On the last day of May, sunrise is at 5:30 am and sunset at 8:22 pm EDT.

Sunshine

In May, the average sunshine is 8.6h.

UV index

In May, the average daily maximum UV index in Harlingen is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: During May, 5 as the daily maximum UV index converts into the following advice:
Undertake protective steps - Recommendations to avoid sunburn are issued. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature in Harlingen?

In Harlingen, 70.5°F (21.4°C) is the average high-temperature and 53.2°F (11.8°C) is the average low-temperature during May.

What is the average humidity in May in Harlingen?

The average relative humidity in May is 78%.

How much does it rain in Harlingen in May?

In May, in Harlingen, New Jersey, the rain falls for 12.6 days. Throughout May, 1.22" (31mm) of precipitation is accumulated.

What is the last month it snows in Harlingen?

May is the last month it regularly snows in Harlingen, New Jersey. During 0.1 snowfall days, in May, Harlingen aggregates 0.2" (5mm) of snow.

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

The average day length in May in Harlingen, New Jersey, is 14h and 26min.

When are sunrise and sunset in May in Harlingen?

On the first day of May, sunrise is at 5:56 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 5:30 am and sunset at 8:22 pm EDT.

How many hours of sunshine does Harlingen have in May?

The average sunshine duration in May is 8.6h.

How high is the UV index in May in Harlingen?

In Harlingen, New Jersey, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Harlingen, NJ

Average temperature in May - Harlingen, NJ
  • Average high temperature in May: 70.5°F

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).

  • Average low temperature in May: 53.2°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 in May
Harlingen, NJ

Average pressure in May - Harlingen, NJ
  • Average pressure in May: 30.01"Hg

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 in May
Harlingen, NJ

Average wind speed in May - Harlingen, NJ
  • Average wind speed in May: 6.9mph

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 in May
Harlingen, NJ

Average humidity in May - Harlingen, NJ
  • Average humidity in May: 78%

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

Average rainfall in May
Harlingen, NJ

Average rainfall in May - Harlingen, NJ
  • Average rainfall in May: 1.22"

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 in May
Harlingen, NJ

Average rainfall days in May - Harlingen, NJ
  • Average rainfall days in May: 12.6 days

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 in May
Harlingen, NJ

Average snowfall in May - Harlingen, NJ
  • Average snowfall in May: 0.2"

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 in May
Harlingen, NJ

Average snowfall days in May - Harlingen, NJ
  • Average snowfall days in May: 0.1 days

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 in May /
Average sunshine in May
Harlingen, NJ

Average daylight in May / Average sunshine in May - Harlingen, NJ
  • Average daylight in May: 14h and 2min

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).

  • Average sunshine in May: 8h and 4min

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 in May
Harlingen, NJ

Average sunshine days in May - Harlingen, NJ
  • Average sunshine days in May: 15 days

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 in May
Harlingen, NJ

Average UV index in May - Harlingen, NJ
  • Average UV index in May: 5

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 in May
Harlingen, NJ

Average cloud cover in May - Harlingen, NJ
  • Average cloud cover in May: 46

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 in May
Harlingen, NJ

Average visibility in May - Harlingen, NJ
  • Average visibility in May: 5mi

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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