May weather forecast
Pomona, NJ

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Weather in May

May, the last month of the spring in Pomona, is an enjoyable month, with an average temperature fluctuating between 67.6°F (19.8°C) and 55.9°F (13.3°C).

Temperature

May's arrival is marked by an increase in the average high-temperature, moving from a refreshing 58.6°F (14.8°C) in April to a comfortable 67.6°F (19.8°C). Throughout May, Pomona's nights cool down to an average of 55.9°F (13.3°C).

Humidity

May and June, with an average relative humidity of 79%, are the most humid months.

Rainfall

In Pomona, in May, it is raining for 15 days, with typically 2.4" (61mm) of accumulated precipitation. In Pomona, during the entire year, the rain falls for 144.2 days and collects up to 27.48" (698mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in May in Pomona, New Jersey, is 14h and 22min.
On the first day of the month, sunrise is at 5:58 am and sunset at 7:52 pm. On the last day of May, sunrise is at 5:33 am and sunset at 8:18 pm EDT.

Sunshine

In May, the average sunshine in Pomona is 8.9h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Pomona. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: In May, an average UV index of 6 transforms into the following instructions:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
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Frequently asked questions

What is the usual temperature for Pomona in May?

An average high-temperature, in May, in Pomona, is 67.6°F (19.8°C) and the average low-temperature is 55.9°F (13.3°C).

What are the most humid months in Pomona?

May and June, with an average relative humidity of 79%, are most humid months in Pomona.

What is the average humidity in May in Pomona?

The average relative humidity in May in Pomona is 79%.

How many days does it rain in May in Pomona?

In May, in Pomona, the rain falls for 15 days. Throughout May, 2.4" (61mm) of precipitation is accumulated.

When it does not snow in Pomona?

May through October are months without snowfall in Pomona, New Jersey.

Does it snow in Pomona in May?

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

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

In May, the average day length in Pomona is 14h and 22min.

When is the sunrise / sunset in May in Pomona?

In May, on the first day of the month, sunrise is at 5:58 am and sunset at 7:52 pm. On the last day of the month, in Pomona, New Jersey, sunrise is at 5:33 am and sunset at 8:18 pm EDT.

How long on average sun shines in May in Pomona?

In May, the average sunshine duration in Pomona is 8.9h.

What are the months with the highest UV index in Pomona?

The months with the highest UV index in Pomona, New Jersey, are May through August, with an average maximum UV index of 6.

What is the UV index intensity in May in Pomona?

In May, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health threat 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
Pomona, NJ

Average temperature in May - Pomona, NJ
  • Average high temperature in May: 67.6°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (39.7°F).

  • Average low temperature in May: 55.9°F

The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).

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Average pressure in May
Pomona, NJ

Average pressure in May - Pomona, NJ
  • Average pressure in May: 30.02"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in May
Pomona, NJ

Average wind speed in May - Pomona, NJ
  • Average wind speed in May: 8.8mph

The windiest months (with the highest average wind speed) are January and February (10.6mph).
The calmest month (with the lowest average wind speed) is August (7.2mph).

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Average humidity in May
Pomona, NJ

Average humidity in May - Pomona, NJ
  • Average humidity in May: 79%

The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is April (73%).

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Average rainfall in May
Pomona, NJ

Average rainfall in May - Pomona, NJ
  • Average rainfall in May: 2.4"

The wettest month (with the highest rainfall) is August (2.91").
The driest month (with the least rainfall) is January (1.61").

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Average rainfall days in May
Pomona, NJ

Average rainfall days in May - Pomona, NJ
  • Average rainfall days in May: 15 days

The month with the highest number of rainy days is July (16.1 days).
The months with the least rainy days are January and November (8.3 days).

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Average snowfall in May
Pomona, NJ

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

The month with the highest snowfall is March (1.97").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in May
Pomona, NJ

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

The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in May: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

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Average sunshine days in May
Pomona, NJ

Average sunshine days in May - Pomona, NJ
  • Average sunshine days in May: 14.3 days

The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is July (12.3 days).

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Average UV index in May
Pomona, NJ

Average UV index in May - Pomona, NJ
  • Average UV index in May: 6

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

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Average cloud cover in May
Pomona, NJ

Average cloud cover in May - Pomona, NJ
  • Average cloud cover in May: 42

The months with the most cloud cover are February and March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 27).

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Average visibility in May
Pomona, NJ

Average visibility in May - Pomona, 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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Pomona, New Jersey, USA

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