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 fresh 54.7°F (12.6°C) to a comfortable 64.9°F (18.3°C). Rockland registers a consistent average low-temperature of 50°F (10°C) during May.Humidity
In Rockland, Massachusetts, the average relative humidity in May is 75%.Rainfall
In Rockland, during May, the rain falls for 15.8 days and regularly aggregates up to 2.01" (51mm) of precipitation. Throughout the year, there are 149.9 rainfall days, and 28.62" (727mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, Rockland aggregates 0.24" (6mm) of snow. In Rockland, during the entire year, snow falls for 31 days and aggregates up to 14.88" (378mm) of snow.Daylight
The average length of the day in May is 14h and 35min.On the first day of May in Rockland, sunrise is at 5:38 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 5:10 am and sunset at 8:12 pm EDT.
Sunshine
In Rockland, the average sunshine in May is 8.4h.UV index
The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: An average UV index of 5 in May transforms into this advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Rockland?
What is the average humidity in May in Rockland?
How much does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
When are sunrise and sunset in May?
How many hours of sunshine does Rockland have in May?
What is the UV index intensity in May?
Average temperature in May
Rockland, MA
- Average high temperature in May: 64.9°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (34.9°F).
- Average low temperature in May: 50°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).
Average pressure in May
Rockland, MA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Rockland, MA
- Average wind speed in May: 7.9mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in May
Rockland, MA
- Average humidity in May: 75%
The months with the highest relative humidity are January, February, June, September and October (77%).
The month with the lowest relative humidity is April (71%).
Average rainfall in May
Rockland, MA
- Average rainfall in May: 2.01"
The wettest month (with the highest rainfall) is April (3.11").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in May
Rockland, MA
- Average rainfall days in May: 15.8 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in May
Rockland, MA
- Average snowfall in May: 0.24"
The month with the highest snowfall is February (3.86").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Rockland, MA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Rockland, MA
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in May: 8h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in May
Rockland, MA
- Average sunshine days in May: 13 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is April (12.8 days).
Average UV index in May
Rockland, MA
- 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
Rockland, MA
- Average cloud cover in May: 46
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in May
Rockland, MA
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Rockland, Massachusetts, USA
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