May weather forecast
Colonia, NJ

Weather in May

The last month of the spring, May, is an agreeable month in Colonia, New Jersey, with an average temperature fluctuating between 54°F (12.2°C) and 68.2°F (20.1°C).

Temperature

In May, the average high-temperature rises from a mild 58.3°F (14.6°C) in April to an agreeable 68.2°F (20.1°C). In Colonia, in May, the average low-temperature is 54°F (12.2°C).

Humidity

The average relative humidity in May in Colonia is 76%.

Rainfall

In Colonia, it is raining for 12.2 days, with typically 0.94" (24mm) of accumulated precipitation. Throughout the year, there are 110.2 rainfall days, and 8.9" (226mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall in Colonia.

Daylight

The average length of the day in May in Colonia is 14h and 28min.
On the first day of May, sunrise is at 5:55 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:29 am and sunset at 8:20 pm EDT.

Sunshine

The average sunshine in May is 8.8h.

UV index

The average daily maximum UV index in May in Colonia, New Jersey, is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In May, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in May in Colonia?

The average high-temperature, in May, is 68.2°F (20.1°C), while the average low-temperature is 54°F (12.2°C).

What is the average humidity in May in Colonia?

In May, the average relative humidity in Colonia, New Jersey, is 76%.

How many days does it rain in May in Colonia?

In Colonia, in May, it is raining for 12.2 days, with typically 0.94" (24mm) of accumulated precipitation.

When it does not snow in Colonia?

In Colonia, snow does not fall in May through October.

Does it snow in Colonia in May?

In May, in Colonia, it doesn't snow. April is the latest month when it typically snows.

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

In May, the average day length is 14h and 28min.

When is the sunrise / sunset in May in Colonia?

On the first day of May, sunrise is at 5:55 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:29 am and sunset at 8:20 pm EDT.

How many hours of sunshine does Colonia have in May?

In Colonia, the average sunshine duration in May is 8.8h.

How high is the UV index in May in Colonia?

In Colonia, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Colonia, NJ

Average temperature in May - Colonia, NJ
  • Average high temperature in May: 68.2°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (36.5°F).

  • Average low temperature in May: 54°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).

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Average pressure in May
Colonia, NJ

Average pressure in May - Colonia, 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).

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Average wind speed in May
Colonia, NJ

Average wind speed in May - Colonia, NJ
  • Average wind speed in May: 7.5mph

The windiest months (with the highest average wind speed) are January and March (9.6mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).

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Average humidity in May
Colonia, NJ

Average humidity in May - Colonia, NJ
  • Average humidity in May: 76%

The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is August (72%).

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Average rainfall in May
Colonia, NJ

Average rainfall in May - Colonia, NJ
  • Average rainfall in May: 0.94"

The wettest month (with the highest rainfall) is July (1.22").
The driest month (with the least rainfall) is September (0.39").

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Average rainfall days in May
Colonia, NJ

Average rainfall days in May - Colonia, NJ
  • Average rainfall days in May: 12.2 days

The month with the highest number of rainy days is July (12.7 days).
The month with the least rainy days is January (4.9 days).

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Average snowfall in May
Colonia, NJ

Average snowfall in May - Colonia, NJ
  • Average snowfall in May: 0"

The month with the highest snowfall is March (0.83").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in May
Colonia, NJ

Average snowfall days in May - Colonia, NJ
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (4.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
Colonia, NJ

Average daylight in May / Average sunshine in May - Colonia, NJ
  • Average daylight in May: 14h and 28min

The month with the longest days is June (Average daylight: 15h and 2min).
The month with the shortest days is December (Average daylight: 9h and 20min).

  • Average sunshine in May: 8h and 48min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in May
Colonia, NJ

Average sunshine days in May - Colonia, NJ
  • Average sunshine days in May: 15.8 days

The month with the most sunshine days is January (22.6 days).
The month with the least sunshine days is July (14.8 days).

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Average UV index in May
Colonia, NJ

Average UV index in May - Colonia, 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).

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Average cloud cover in May
Colonia, NJ

Average cloud cover in May - Colonia, NJ
  • Average cloud cover in May: 44

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 30).

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Average visibility in May
Colonia, NJ

Average visibility in May - Colonia, NJ
  • Average visibility in May: 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).

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