Gloucester
Massachusetts, USA
Long-term weather forecast
Long-term weather forecast

April weather forecast and climate
Gloucester, MA

April in Gloucester, Massachusetts, is a frosty spring month, with average temperature varying between 40.8°F (4.9°C) and 48.7°F (9.3°C).

Temperature

In Gloucester, the average high-temperature in April slightly increases, from a cold 40.5°F (4.7°C) in March, to a chilly 48.7°F (9.3°C). In April, the average low-temperature is 40.8°F (4.9°C).

Humidity

In Gloucester, the average relative humidity is 76%.

Rainfall

In April, in Gloucester, the rain falls for 15 days. Throughout April, 2.95" (75mm) of precipitation is accumulated. Throughout the year, there are 150.9 rainfall days, and 30.75" (781mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall in Gloucester. April is the last month it regularly snows in Gloucester. During 1.1 snowfall days, in April, Gloucester aggregates 0.51" (13mm) of snow. Throughout the year, there are 27.4 snowfall days, and 9.17" (233mm) of snow is accumulated.

Ocean temperature

In April, the average ocean temperature in Gloucester is 43°F (6.1°C).
Note: Swimming in 43°F (6.1°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

In April, the average length of the day is 13.4h.

Sunshine

In April, the average sunshine in Gloucester is 8.4h.

UV index

The average daily maximum UV index in Gloucester is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to the UV radiation for average individuals.
Note: In April, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in April in Gloucester?

In Gloucester, Massachusetts, in April, the average high-temperature is 48.7°F (9.3°C), and the average low-temperature is 40.8°F (4.9°C).

What is the average humidity in April in Gloucester?

In Gloucester, the average relative humidity in April is 76%.

How many days does it rain in April in Gloucester?

In Gloucester, during April, the rain falls for 15 days and regularly aggregates up to 2.95" (75mm) of precipitation.

What is the last month it snows in Gloucester?

April is the last month it regularly snows in Gloucester, Massachusetts. During 1.1 snowfall days, in April, Gloucester aggregates 0.51" (13mm) of snow.

What is the ocean temperature in April in Gloucester?

In Gloucester, Massachusetts, the average seawater temperature in April is 43°F (6.1°C). Swimming in 43°F (6.1°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

How many hours of daylight does Gloucester have in April?

In April, the average length of the day in Gloucester, Massachusetts, is 13.4h.

How long on average sun shines in April in Gloucester?

In April, the average sunshine is 8.4h.

What is the UV index reading in April in Gloucester?

In April, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV radiation.
Average temperature in April - Gloucester, MA
  • Average high temperature in April: 48.7°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 April: 40.8°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 humidity in April - Gloucester, MA
  • Average humidity in April: 76%

The month with the highest relative humidity is June (81%).
The month with the lowest relative humidity is November (73%).

Average rainfall in April - Gloucester, MA
  • Average rainfall in April: 2.95"

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 April - Gloucester, MA
  • Average rainfall days in April: 15 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 April - Gloucester, MA
  • Average snowfall in April: 0.51"

The month with the highest snowfall is February (2.6").
Months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in April - Gloucester, MA
  • Average snowfall days in April: 1.1 days

The month with the highest number of snowfall days is January (7.8 days).
Months with the least snowfall days are June, July, August, September and October (0 days).

Average sea temperature in April - Gloucester, MA
  • Average sea temperature in April: 43°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 April / Average sunshine in April - Gloucester, MA
  • Average daylight in April: 13.4h

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in April: 8.4h

The month with the most sunshine is August (Average sunshine: 10.8h).
Months with the least sunshine are February and December (Average sunshine: 4.8).

Average UV index in April - Gloucester, MA
  • Average UV index in April: 3

Months with the highest UV index are July and August (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 2).