May weather forecastLambertville, NJ
May
Weather in May
May, the last month of the spring in Lambertville, is an agreeable month, with an average temperature ranging between max 70.9°F (21.6°C) and min 52.7°F (11.5°C).Temperature
The onset of May marks an increase in the average high-temperature, moving from a refreshing 60.3°F (15.7°C) in April to an agreeable 70.9°F (21.6°C). During the May nights, an average temperature of 52.7°F (11.5°C) is observed.Humidity
In Lambertville, New Jersey, the average relative humidity in May is 78%.Rainfall
In Lambertville, in May, it is raining for 16.8 days, with typically 2.76" (70mm) of accumulated precipitation. Throughout the year, in Lambertville, there are 158.5 rainfall days, and 28.31" (719mm) of precipitation is accumulated.Snowfall
Months with snowfall in Lambertville, New Jersey, are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Lambertville aggregates 0.28" (7mm) of snow. Throughout the year, in Lambertville, there are 23 snowfall days, and 9.45" (240mm) of snow is accumulated.Daylight
In Lambertville, the average length of the day in May is 14h and 26min.On the first day of May, sunrise is at 5:57 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 5:31 am and sunset at 8:23 pm EDT.
Sunshine
In May, the average sunshine in Lambertville is 8.5h.UV index
The months with the highest UV index in Lambertville, New Jersey, are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the average person.Note: A maximum UV index of 6 in May translates into the following recommendations:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Lambertville, NJ
- Average high temperature in May: 70.9°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in May: 52.7°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).
Average pressure in May
Lambertville, 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 (29.94"Hg).
Average wind speed in May
Lambertville, NJ
- Average wind speed in May: 6.6mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in May
Lambertville, NJ
- Average humidity in May: 78%
The months with the highest relative humidity are February and October (79%).
The months with the lowest relative humidity are April and July (74%).
Average rainfall in May
Lambertville, NJ
- Average rainfall in May: 2.76"
The wettest month (with the highest rainfall) is July (2.99").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in May
Lambertville, 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 November (8.9 days).
Average snowfall in May
Lambertville, NJ
- Average snowfall in May: 0.28"
The month with the highest snowfall is March (2.91").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Lambertville, NJ
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Lambertville, NJ
- Average daylight in May: 14h and 24min
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 24min).
- Average sunshine in May: 8h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in May
Lambertville, NJ
- Average sunshine days in May: 12.6 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is June (11.7 days).
Average UV index in May
Lambertville, NJ
- Average UV index in May: 6
The months with the highest UV index are May, 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
Lambertville, NJ
- Average cloud cover in May: 47
The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in May
Lambertville, NJ
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
