Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
The shift into May is characterized by a rise in the average high-temperature, transitioning from April's mild 58.6°F (14.8°C) to an agreeable 69.8°F (21°C). During May nights, Allendale witnesses a consistent average temperature of 51.8°F (11°C).Humidity
The average relative humidity in May in Allendale is 74%.Rainfall
In Allendale, during May, the rain falls for 16.8 days and regularly aggregates up to 2.87" (73mm) of precipitation. In Allendale, during the entire year, the rain falls for 157.3 days and collects up to 32.72" (831mm) of precipitation.Snowfall
In Allendale, New Jersey, snow does not fall in May through September.Daylight
In May, the average length of the day is 14h and 30min.On the first day of May in Allendale, sunrise is at 5:53 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 5:26 am and sunset at 8:22 pm EDT.
Sunshine
In Allendale, the average sunshine in May is 8.3h.UV index
In Allendale, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In May, a regular UV index of 5 translates into these guidelines:
Exercise prevention - Protecting skin and eyes from harm is required. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Frequently asked questions
What are the temperatures in Allendale in May?
What is the average humidity in May in Allendale?
How many days does it rain in May in Allendale?
When it does not snow in Allendale?
Does it snow in Allendale in May?
What is the average length of the day in May in Allendale?
When are sunrise and sunset in May in Allendale?
How long on average sun shines in May in Allendale?
What is the UV index intensity in May in Allendale?
Average temperature in May
Allendale, NJ
- Average high temperature in May: 69.8°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 (35.2°F).
- Average low temperature in May: 51.8°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in May
Allendale, NJ
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Allendale, NJ
- Average wind speed in May: 6.4mph
The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in May
Allendale, NJ
- Average humidity in May: 74%
The months with the highest relative humidity are February and December (78%).
The month with the lowest relative humidity is August (70%).
Average rainfall in May
Allendale, NJ
- Average rainfall in May: 2.87"
The wettest month (with the highest rainfall) is December (3.58").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in May
Allendale, NJ
- Average rainfall days in May: 16.8 days
The months with the highest number of rainy days are May and July (16.8 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in May
Allendale, NJ
- Average snowfall in May: 0"
The month with the highest snowfall is February (4.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Allendale, NJ
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (7.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Allendale, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in May
Allendale, NJ
- Average sunshine days in May: 12.6 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is June (11.5 days).
Average UV index in May
Allendale, 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
Allendale, NJ
- Average cloud cover in May: 48
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in May
Allendale, 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).
Allendale, New Jersey, USA
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