May weather forecast
Salem, MA

Lifting average temperatures from 48°F (8.9°C) to 66°F (18.9°C), May sees the emergence of a full-scale spring in Salem. With the temperature becoming more warm and the city witnessing more sunlight than cloudy days, outdoor activities become more enjoyable. The captivating scent of blooming flowers enhances the city's charm, attracting tourists to its historic sites. With daylight hours peaking at approximately 14.6 hours, May is a great month to visit Salem. Nevertheless, the average rainfall in May, of about 3.3" (84mm), is to be considered as well.

Temperature

An increase in the average high-temperature marks May in Salem, moving from April's mild 55.4°F (13°C) to an enjoyable 66.2°F (19°C). During May nights, Salem witnesses a consistent average temperature of 48.2°F (9°C).

Rainfall

In Salem, during May, the rain falls for 11 days and regularly aggregates up to 3.35" (85mm) of precipitation. In Salem, Massachusetts, during the entire year, the rain falls for 124 days and collects up to 43.03" (1093mm) of precipitation.

Ocean temperature

In Salem, in May, the average water temperature is 46.4°F (8°C).
Note: It is advised against swimming in 46.4°F (8°C) when it drops below 50°F (10°C). Such temperatures can cause extreme cold shock, leading to hyperventilation.

Daylight

In Salem, the average length of the day in May is 14h and 38min.
On the first day of May in Salem, Massachusetts, sunrise is at 5:37 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 5:08 am and sunset at 8:13 pm EDT.

Sunshine

In May, the average sunshine is 8h.

UV index

In Salem, the average daily maximum UV index in May is 7. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 7 during May translates into these guidelines:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.