May weather forecastNewfoundland, NJ
May
Weather in May
May, the last month of the spring in Newfoundland, is an agreeable month, with temperature in the range of an average high of 68.2°F (20.1°C) and an average low of 49.6°F (9.8°C).Temperature
May brings a temperature increase, with average high-temperatures moving from April's moderate 57.4°F (14.1°C) to a pleasant 68.2°F (20.1°C). Newfoundland experiences an average low-temperature reading of 49.6°F (9.8°C) throughout May.Humidity
The average relative humidity in May is 80%.Rainfall
In Newfoundland, during May, the rain falls for 15 days and regularly aggregates up to 1.5" (38mm) of precipitation. Throughout the year, there are 133 rainfall days, and 14.02" (356mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Newfoundland aggregates 0.12" (3mm) of snow. Throughout the year, there are 26.7 snowfall days, and 6.06" (154mm) of snow is accumulated.Daylight
In May, the average length of the day in Newfoundland is 14h and 30min.On the first day of the month, sunrise is at 5:54 am and sunset at 7:54 pm. On the last day of May, sunrise is at 5:27 am and sunset at 8:23 pm EDT.
Sunshine
In May, the average sunshine is 7.8h.UV index
In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: In May, a regular UV index of 5 translates into these guidelines:
Undertake precautions - Guarding against sun damage is counselled. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Newfoundland, NJ
- Average high temperature in May: 68.2°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (33.3°F).
- Average low temperature in May: 49.6°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in May
Newfoundland, 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
Newfoundland, NJ
- Average wind speed in May: 6.2mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in May
Newfoundland, NJ
- Average humidity in May: 80%
The month with the highest relative humidity is October (82%).
The month with the lowest relative humidity is April (76%).
Average rainfall in May
Newfoundland, NJ
- Average rainfall in May: 1.5"
The wettest month (with the highest rainfall) is July (1.85").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in May
Newfoundland, NJ
- Average rainfall days in May: 15 days
The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in May
Newfoundland, NJ
- Average snowfall in May: 0.12"
The month with the highest snowfall is February (1.5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Newfoundland, NJ
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Newfoundland, NJ
- Average daylight in May: 14h and 30min
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: 7h and 48min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in May
Newfoundland, NJ
- Average sunshine days in May: 12.8 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (12.1 days).
Average UV index in May
Newfoundland, NJ
- Average UV index in May: 5
The month with the highest UV index is June (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
Newfoundland, NJ
- Average cloud cover in May: 52
The months with the most cloud cover are February and March (Cloud cover 53).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in May
Newfoundland, NJ
- Average visibility in May: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).





