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
Observing a rise in May, the average high-temperature goes from April's moderate 56.3°F (13.5°C) to a still refreshing 66.7°F (19.3°C). During the month of May, an average low-temperature of 48.7°F (9.3°C) is recorded in Lambertsville.Humidity
In Lambertsville, the average relative humidity in May is 81%.Rainfall
May is the month with the most rainfall. Rain falls for 19.8 days and accumulates 3.27" (83mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Lambertsville. During 0.6 snowfall days, in May, Lambertsville aggregates 0.2" (5mm) of snow. In Lambertsville, Pennsylvania, during the entire year, snow falls for 66 days and aggregates up to 32.36" (822mm) of snow.Daylight
In Lambertsville, the average length of the day in May is 14h and 25min.On the first day of the month, sunrise is at 6:14 am and sunset at 8:10 pm. On the last day of May, in Lambertsville, sunrise is at 5:48 am and sunset at 8:38 pm EDT.
Sunshine
The average sunshine in May is 7.8h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: An average UV index of 5 in May transforms into this advice:
Act with care - The need to guard against sun damage is communicated. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Frequently asked questions
What is the usual temperature for Lambertsville in May?
What is the average humidity in May in Lambertsville?
What is the wettest month in Lambertsville?
How many days does it rain in May in Lambertsville?
What is the last month it snows in Lambertsville?
How many hours of daylight does Lambertsville have in May?
What time are sunrise and sunset in May in Lambertsville?
How long on average sun shines in May in Lambertsville?
When is the highest UV index in Lambertsville?
How high is the UV index in May in Lambertsville?
Average temperature in May
Lambertsville, PA
- Average high temperature in May: 66.7°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in May: 48.7°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure in May
Lambertsville, PA
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in May
Lambertsville, PA
- Average wind speed in May: 7.6mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in May
Lambertsville, PA
- Average humidity in May: 81%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April, June and July (80%).
Average rainfall in May
Lambertsville, PA
- Average rainfall in May: 3.27"
The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is November (1.77").
Average rainfall days in May
Lambertsville, PA
- Average rainfall days in May: 19.8 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is November (8.2 days).
Average snowfall in May
Lambertsville, PA
- Average snowfall in May: 0.2"
The month with the highest snowfall is January (8.23").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Lambertsville, PA
- Average snowfall days in May: 0.6 days
The month with the highest number of snowfall days is January (17.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Lambertsville, PA
- Average daylight in May: 14h and 2min
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: 7h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in May
Lambertsville, PA
- Average sunshine days in May: 9.4 days
The month with the most sunshine days is November (15.7 days).
The month with the least sunshine days is January (6.3 days).
Average UV index in May
Lambertsville, PA
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Lambertsville, PA
- Average cloud cover in May: 53
The month with the most cloud cover is January (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 42).
Average visibility in May
Lambertsville, PA
- Average visibility in May: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February and December (4mi).
Lambertsville, Pennsylvania, USA
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