April weather forecast
Glastonbury, CT

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Weather in April

In April, Glastonbury transitions to full spring, characterized by a refreshing warmth and extended daylight hours. This increased daylight, between 39.9°F (4.4°C) to 56.7°F (13.7°C), elevates the number of sunny days. It is a time for landscapes to flourish and for residents to indulgence in outdoor activities. Though showers loom around, contributing to the greenery. The swiftly changing weather patterns should not discourage any plans, however, as it is all part of the April experience.

Temperature

April indicates a change in the average high-temperature, moving up from a chilly 44.2°F (6.8°C) in March to a refreshing 56.7°F (13.7°C). Throughout April, the temperature tends to fall to a consistent average low of 39.9°F (4.4°C).

Humidity

With an average relative humidity of 70%, April is the least humid month.

Rainfall

In Glastonbury, in April, during 14.9 rainfall days, 2.87" (73mm) of precipitation is typically accumulated. Throughout the year, there are 164.5 rainfall days, and 32.09" (815mm) of precipitation is accumulated.

Snowfall

January through May, November and December are months with snowfall. In Glastonbury, in April, during 1.1 snowfall days, 0.79" (20mm) of snow is typically accumulated. Throughout the year, there are 29.1 snowfall days, and 15.63" (397mm) of snow is accumulated.

Daylight

In April, the average length of the day is 13h and 22min.
On the first day of the month, sunrise is at 6:31 am and sunset at 7:16 pm. On the last day of April, sunrise is at 5:46 am and sunset at 7:47 pm EDT.

Sunshine

In April, the average sunshine is 8.3h.

UV index

In April, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: During April, 3 as the daily maximum UV index converts into the following advice:
Undertake protective steps - Preventing sun damage is advised. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.

Frequently asked questions

What are the temperatures in Glastonbury in April?

In Glastonbury, in April, the average high-temperature is 56.7°F (13.7°C), and the average low-temperature is 39.9°F (4.4°C).

What is the least humid month?

The least humid month is April, with an average relative humidity of 70%.

What is the average humidity in April?

The average relative humidity in April is 70%.

How many days does it rain in April?

In Glastonbury, in April, it is raining for 14.9 days, with typically 2.87" (73mm) of accumulated precipitation.

How much does it snow in April?

In April, it is snowing for 1.1 days. Throughout April, 0.79" (20mm) of snow is accumulated.

What is the average length of the day in April?

In April, the average day length is 13h and 22min.

When is the sunrise / sunset in April?

On the first day of April in Glastonbury, sunrise is at 6:31 am and sunset at 7:16 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 7:47 pm EDT.

How many hours of sunshine does Glastonbury have in April?

In Glastonbury, the average sunshine duration in April is 8.3h.

What is the UV index reading in April?

In April, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Glastonbury, CT

Average temperature in April - Glastonbury, CT
  • Average high temperature in April: 56.7°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in April: 39.9°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).

Average pressure in April
Glastonbury, CT

Average pressure in April - Glastonbury, CT
  • Average pressure in April: 29.98"Hg

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in April
Glastonbury, CT

Average wind speed in April - Glastonbury, CT
  • Average wind speed in April: 7.8mph

The windiest months (with the highest average wind speed) are January and March (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

Average humidity in April
Glastonbury, CT

Average humidity in April - Glastonbury, CT
  • Average humidity in April: 70%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (70%).

Average rainfall in April
Glastonbury, CT

Average rainfall in April - Glastonbury, CT
  • Average rainfall in April: 2.87"

The wettest month (with the highest rainfall) is December (3.19").
The driest month (with the least rainfall) is September (1.93").

Average rainfall days in April
Glastonbury, CT

Average rainfall days in April - Glastonbury, CT
  • Average rainfall days in April: 14.9 days

The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is January (9.2 days).

Average snowfall in April
Glastonbury, CT

Average snowfall in April - Glastonbury, CT
  • Average snowfall in April: 0.79"

The month with the highest snowfall is February (4.45").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in April
Glastonbury, CT

Average snowfall days in April - Glastonbury, CT
  • Average snowfall days in April: 1.1 days

The month with the highest number of snowfall days is February (8.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in April /
Average sunshine in April
Glastonbury, CT

Average daylight in April / Average sunshine in April - Glastonbury, CT
  • Average daylight in April: 13h and 2min

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 April: 8h and 2min

The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in April
Glastonbury, CT

Average sunshine days in April - Glastonbury, CT
  • Average sunshine days in April: 12.3 days

The month with the most sunshine days is January (17.6 days).
The month with the least sunshine days is June (10.7 days).

Average UV index in April
Glastonbury, CT

Average UV index in April - Glastonbury, CT
  • Average UV index in April: 3

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in April
Glastonbury, CT

Average cloud cover in April - Glastonbury, CT
  • Average cloud cover in April: 45

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in April
Glastonbury, CT

Average visibility in April - Glastonbury, CT
  • Average visibility in April: 6mi

The months with the highest visibility are January, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are February, May and September (5mi).

Glastonbury, Connecticut, USA

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