May weather forecast
Montclair, NJ

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Weather in May

May, the last month of the spring in Montclair, is an agreeable month, with an average temperature varying between 69.3°F (20.7°C) and 52.7°F (11.5°C).

Temperature

An increase in the average high-temperature marks May, moving from April's mild 58.5°F (14.7°C) to an agreeable 69.3°F (20.7°C). Montclair records an average low of 52.7°F (11.5°C) throughout the nights in May.

Humidity

The average relative humidity in May is 75%.

Rainfall

In Montclair, in May, it is raining for 16.8 days, with typically 2.52" (64mm) of accumulated precipitation. In Montclair, during the entire year, the rain falls for 153.3 days and collects up to 24.92" (633mm) of precipitation.

Snowfall

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

Daylight

In Montclair, the average length of the day in May is 14h and 29min.
On the first day of the month, sunrise is at 5:54 am and sunset at 7:53 pm. On the last day of May, sunrise is at 5:27 am and sunset at 8:21 pm EDT.

Sunshine

The average sunshine in May is 8.6h.

UV index

The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: A typical high UV index of 5 in May suggests the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Montclair in May?

In May, in Montclair, the average high-temperature is 69.3°F (20.7°C), and the average low-temperature is 52.7°F (11.5°C).

What is the average humidity in May?

The average relative humidity in May is 75%.

How many days does it rain in May?

In Montclair, during May, the rain falls for 16.8 days and regularly aggregates up to 2.52" (64mm) of precipitation.

When it does not snow?

In Montclair, New Jersey, snow does not fall in May through October.

Does it snow in May?

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

How many hours of daylight does Montclair have in May?

The average day length in May is 14h and 29min.

When is the sunrise / sunset in May?

On the first day of May, sunrise is at 5:54 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 5:27 am and sunset at 8:21 pm EDT.

How long on average sun shines in May?

In Montclair, the average sunshine duration in May is 8.6h.

What is the UV index reading in May?

The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health risk from 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
Montclair, NJ

Average temperature in May - Montclair, NJ
  • Average high temperature in May: 69.3°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in May: 52.7°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).

Average pressure in May
Montclair, NJ

Average pressure in May - Montclair, 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
Montclair, NJ

Average wind speed in May - Montclair, NJ
  • Average wind speed in May: 6.8mph

The windiest months (with the highest average wind speed) are January and March (8.8mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).

Average humidity in May
Montclair, NJ

Average humidity in May - Montclair, NJ
  • Average humidity in May: 75%

The month with the highest relative humidity is February (78%).
The months with the lowest relative humidity are April and August (72%).

Average rainfall in May
Montclair, NJ

Average rainfall in May - Montclair, NJ
  • Average rainfall in May: 2.52"

The wettest month (with the highest rainfall) is July (3.07").
The driest month (with the least rainfall) is January (1.38").

Average rainfall days in May
Montclair, NJ

Average rainfall days in May - Montclair, NJ
  • Average rainfall days in May: 16.8 days

The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is January (7.6 days).

Average snowfall in May
Montclair, NJ

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

The month with the highest snowfall is March (3.27").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in May
Montclair, NJ

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

The month with the highest number of snowfall days is February (6.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in May / Average sunshine in May - Montclair, NJ
  • Average daylight in May: 14h and 3min

The month with the longest days is June (Average daylight: 15h and 6min).
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 42min).

Average sunshine days in May
Montclair, NJ

Average sunshine days in May - Montclair, NJ
  • Average sunshine days in May: 11.5 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (10.7 days).

Average UV index in May
Montclair, NJ

Average UV index in May - Montclair, 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
Montclair, NJ

Average cloud cover in May - Montclair, NJ
  • Average cloud cover in May: 45

The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in May
Montclair, NJ

Average visibility in May - Montclair, 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).

Montclair, New Jersey, USA

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