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 arrival of May signals an increase in the average high-temperature, moving from a moderate 58.6°F (14.8°C) in April to a pleasant 69.8°F (21°C). The nights of May anticipate an average low-temperature of 51.8°F (11°C).Humidity
The average relative humidity in May is 74%.Rainfall
In Hillsdale, in May, during 16.8 rainfall days, 2.87" (73mm) of precipitation is typically accumulated. In Hillsdale, during the entire year, the rain falls for 157.3 days and collects up to 32.72" (831mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in May is 14h and 29min.On the first day of the month, sunrise is at 5:53 am and sunset at 7:53 pm. On the last day of May, sunrise is at 5:26 am and sunset at 8:21 pm EDT.
Sunshine
In May, the average sunshine is 8.3h.UV index
In Hillsdale, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 5 in May transforms into this advice:
Heed the precautions - Suggestions to avoid sunburn are made. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Hillsdale?
What is the average humidity in May in Hillsdale?
How much does it rain in Hillsdale in May?
When it does not snow in Hillsdale?
Does it snow in Hillsdale in May?
How many hours of daylight does Hillsdale have in May?
When is the sunrise / sunset in May in Hillsdale?
How long on average sun shines in May in Hillsdale?
How high is the UV index in May in Hillsdale?
Average temperature in May
Hillsdale, 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
Hillsdale, 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
Hillsdale, 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
Hillsdale, 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
Hillsdale, 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
Hillsdale, 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
Hillsdale, 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
Hillsdale, 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
Hillsdale, 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
Hillsdale, 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
Hillsdale, 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
Hillsdale, 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
Hillsdale, 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).
Hillsdale, New Jersey, USA
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