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 mild 59°F (15°C) in April to a pleasant 69.6°F (20.9°C). During May, the nighttime temperature averages of 51.1°F (10.6°C).Humidity
The average relative humidity in May is 79%.Rainfall
In Mountainville, during May, the rain falls for 16.4 days and regularly aggregates up to 3.07" (78mm) of precipitation. In Mountainville, during the entire year, the rain falls for 162.3 days and collects up to 32.83" (834mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Mountainville. During 0.2 snowfall days, in May, Mountainville aggregates 0.55" (14mm) of snow. In Mountainville, during the entire year, snow falls for 27.8 days and aggregates up to 15.35" (390mm) of snow.Daylight
The average length of the day in May is 14h and 28min.On the first day of May, sunrise is at 5:56 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 5:30 am and sunset at 8:23 pm EDT.
Sunshine
In May, the average sunshine is 8.5h.UV index
In Mountainville, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In May, the maximum UV index of 5 suggests this advice:
Take precautions - Protection against sunburn is recommended. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Stay sun-safe with clothing that is both closely woven and worn loosely. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the average humidity in May?
How many days does it rain in May?
What is the last month it snows in Mountainville?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Mountainville have in May?
How high is the UV index in May?
Average temperature in May
Mountainville, NJ
- Average high temperature in May: 69.6°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (35.1°F).
- Average low temperature in May: 51.1°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure in May
Mountainville, 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
Mountainville, NJ
- Average wind speed in May: 6.3mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in May
Mountainville, NJ
- Average humidity in May: 79%
The months with the highest relative humidity are February, October and December (80%).
The month with the lowest relative humidity is April (75%).
Average rainfall in May
Mountainville, NJ
- Average rainfall in May: 3.07"
The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in May
Mountainville, NJ
- Average rainfall days in May: 16.4 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in May
Mountainville, NJ
- Average snowfall in May: 0.55"
The month with the highest snowfall is March (4.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Mountainville, NJ
- Average snowfall days in May: 0.2 days
The months with the highest number of snowfall days are January and February (8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Mountainville, 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 3min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in May
Mountainville, NJ
- Average sunshine days in May: 12.3 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (11 days).
Average UV index in May
Mountainville, 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
Mountainville, NJ
- Average cloud cover in May: 47
The months with the most cloud cover are February and December (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in May
Mountainville, NJ
- Average visibility in May: 5mi
The months with the highest visibility are January, March, April, June, July, November and December (6mi).
The months with the lowest visibility are February, May, August, September and October (5mi).
Mountainville, New Jersey, USA
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