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 sea temperature 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
May signals a shift in the average high-temperature, moving from April's frosty 48.7°F (9.3°C) to a refreshing 57.7°F (14.3°C). Consistently, Rockport reports average nighttime temperatures of 49.5°F (9.7°C) during May, a marginal step down from its daytime highs.Humidity
In May, the average relative humidity is 80%.Rainfall
In Rockport, in May, it is raining for 16.3 days, with typically 2.2" (56mm) of accumulated precipitation. In Rockport, during the entire year, the rain falls for 150.9 days and collects up to 30.75" (781mm) of precipitation.Snowfall
In Rockport, snow does not fall in May through October.Ocean temperature
In Rockport, the average seawater temperature in May is 48°F (8.9°C).Note: Caution: 48°F (8.9°C) temperatures below 50°F (10°C) during swimming can result in intense cold shock and quickened breathing.
Daylight
The average length of the day in May is 14h and 38min.On the first day of May, sunrise is at 5:35 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 5:07 am and sunset at 8:13 pm EDT.
Sunshine
The average sunshine in May is 8.6h.UV index
The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 5 during May translates into the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Frequently asked questions
What are the temperatures in Rockport in May?
What is the average humidity in May in Rockport?
How much does it rain in Rockport in May?
When it does not snow in Rockport?
Does it snow in Rockport in May?
What is the water temperature in May in Rockport?
What is the average length of the day in May in Rockport?
What time are sunrise and sunset in May in Rockport?
How long on average sun shines in May in Rockport?
What is the UV index reading in May in Rockport?
Average temperature in May
Rockport, MA
- Average high temperature in May: 57.7°F
The warmest month (with the highest average high temperature) is August (73°F).
The month with the lowest average high temperature is January (34.9°F).
- Average low temperature in May: 49.5°F
The month with the highest average low temperature is August (65.5°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in May
Rockport, 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 (29.92"Hg).
Average wind speed in May
Rockport, MA
- Average wind speed in May: 10.3mph
The windiest month (with the highest average wind speed) is January (15.2mph).
The calmest months (with the lowest average wind speed) are July and August (8.9mph).
Average humidity in May
Rockport, MA
- Average humidity in May: 80%
The month with the highest relative humidity is June (81%).
The month with the lowest relative humidity is November (73%).
Average rainfall in May
Rockport, MA
- Average rainfall in May: 2.2"
The wettest month (with the highest rainfall) is December (3.23").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in May
Rockport, MA
- Average rainfall days in May: 16.3 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (8.2 days).
Average snowfall in May
Rockport, MA
- Average snowfall in May: 0"
The month with the highest snowfall is February (2.6").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Rockport, MA
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average sea temperature in May
Rockport, MA
- Average sea temperature in May: 48°F
The best month for swimming (with the highest average sea temperature) is August (66.4°F).
The coldest month (with the lowest average sea temperature) is March (38.8°F).
Average daylight in May /
Average sunshine in May
Rockport, MA
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in May
Rockport, MA
- Average sunshine days in May: 13.3 days
The months with the most sunshine days are September and November (16.7 days).
The month with the least sunshine days is February (13.1 days).
Average UV index in May
Rockport, MA
- Average UV index in May: 5
The months with the highest UV index are 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
Rockport, MA
- Average cloud cover in May: 43
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in May
Rockport, 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).
Rockport, Massachusetts, USA
Weather forecast for your location
2. Allow the app to use your location
