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
In Hillside, the onset of May comes with an increased average high-temperature, moving from April's mild 55.9°F (13.3°C) to a still refreshing 65.8°F (18.8°C). During May, Hillside witnesses a consistent average low-temperature of 54.3°F (12.4°C).Humidity
The months with the highest humidity in Hillside are February, May and December, with an average relative humidity of 75%.Rainfall
In Hillside, during May, the rain falls for 16.7 days and regularly aggregates up to 3.07" (78mm) of precipitation. Throughout the year, there are 155.6 rainfall days, and 34.72" (882mm) of precipitation is accumulated.Snowfall
In Hillside, snow does not fall in May through October.Daylight
The average length of the day in May in Hillside is 14h and 28min.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 5:28 am and sunset at 8:21 pm EDT.
Sunshine
The average sunshine in May in Hillside is 8.9h.UV index
The average daily maximum UV index in May in Hillside is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: A maximum daily UV index of 5 during May morphs into the following directions:
Guard yourself - Precautionary measures against sun damage are advocated. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Hillside?
What are the most humid months in Hillside?
What is the average humidity in May in Hillside?
How much does it rain in Hillside in May?
When it does not snow in Hillside?
Does it snow in Hillside in May?
How many hours of daylight does Hillside have in May?
When are sunrise and sunset in May in Hillside?
How many hours of sunshine does Hillside have in May?
How high is the UV index in May in Hillside?
Average temperature in May
Hillside, NJ
- Average high temperature in May: 65.8°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in May: 54.3°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).
Average pressure in May
Hillside, 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
Hillside, NJ
- Average wind speed in May: 8.3mph
The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in May
Hillside, NJ
- Average humidity in May: 75%
The months with the highest relative humidity are February, May and December (75%).
The months with the lowest relative humidity are August and November (71%).
Average rainfall in May
Hillside, NJ
- Average rainfall in May: 3.07"
The wettest month (with the highest rainfall) is July (4.02").
The driest month (with the least rainfall) is January (2.05").
Average rainfall days in May
Hillside, NJ
- Average rainfall days in May: 16.7 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in May
Hillside, NJ
- Average snowfall in May: 0"
The month with the highest snowfall is March (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Hillside, NJ
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (4.5 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
Hillside, NJ
- Average daylight in May: 14h and 3min
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 5min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in May
Hillside, NJ
- Average sunshine days in May: 13.3 days
The months with the most sunshine days are January and November (19.7 days).
The month with the least sunshine days is July (11 days).
Average UV index in May
Hillside, 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
Hillside, NJ
- Average cloud cover in May: 42
The month with the most cloud cover is December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in May
Hillside, 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).
Hillside, New Jersey, USA
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