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
The shift from April to May sees an increase in the average high-temperature, transitioning from a fresh 54.1°F (12.3°C) to an enjoyable 64.8°F (18.2°C). Throughout May, Lynn witnesses a nighttime temperature average of 49.8°F (9.9°C).Humidity
In May, the average relative humidity is 73%.Rainfall
In May, the rain falls for 15.4 days. Throughout May, 1.93" (49mm) of precipitation is accumulated. In Lynn, during the entire year, the rain falls for 144.9 days and collects up to 27.91" (709mm) of precipitation.Snowfall
May through September are months without snowfall.Ocean temperature
In Lynn, in May, the average water temperature is 49.1°F (9.5°C).Note: Swimming in 49.1°F (9.5°C) feels unbearing at 55.4°F (13°C) and can be life-risking below 50°F (10°C), causing breathing issues and cold shock, depending on a person's capacity.
Daylight
In May, the average length of the day is 14h and 38min.On the first day of the month, sunrise is at 5:37 am and sunset at 7:44 pm. On the last day of May, sunrise is at 5:09 am and sunset at 8:14 pm EDT.
Sunshine
The average sunshine in May is 8.3h.UV index
The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 5 in May interprets into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. When the Sun is at its strongest around midday, find shade and limit exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
Does it snow in May?
What is the ocean temperature in May?
What is the average length of the day in May?
When are sunrise and sunset in May?
How long on average sun shines in May?
How high is the UV index in May?
Average temperature in May
Lynn, MA
- Average high temperature in May: 64.8°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (34.2°F).
- Average low temperature in May: 49.8°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in May
Lynn, 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
Lynn, MA
- Average wind speed in May: 7.9mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in May
Lynn, MA
- Average humidity in May: 73%
The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is April (70%).
Average rainfall in May
Lynn, MA
- Average rainfall in May: 1.93"
The wettest month (with the highest rainfall) is December (2.99").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in May
Lynn, MA
- Average rainfall days in May: 15.4 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (7.1 days).
Average snowfall in May
Lynn, MA
- Average snowfall in May: 0"
The month with the highest snowfall is February (4.61").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Lynn, MA
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January and February (7.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in May
Lynn, MA
- Average sea temperature in May: 49°F
The best month for swimming (with the highest average sea temperature) is August (67.6°F).
The coldest month (with the lowest average sea temperature) is March (38.8°F).
Average daylight in May /
Average sunshine in May
Lynn, 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 6min).
- Average sunshine in May: 8h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).
Average sunshine days in May
Lynn, MA
- Average sunshine days in May: 14.1 days
The month with the most sunshine days is January (17.8 days).
The month with the least sunshine days is April (13.2 days).
Average UV index in May
Lynn, 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
Lynn, MA
- Average cloud cover in May: 46
The month with the most cloud cover is March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in May
Lynn, 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).
Lynn, Massachusetts, USA
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