April weather forecast
Watertown, CT

Share

Weather in April

April is a mild spring month in Watertown, Connecticut, with an average temperature ranging between min 39.7°F (4.3°C) and max 56.7°F (13.7°C).

Temperature

Watertown, Connecticut, experiences a temperature shift with the start of April, with average high-temperatures moving from a frosty 44.1°F (6.7°C) in March to a mild 56.7°F (13.7°C). Watertown experiences an average low-temperature reading of 39.7°F (4.3°C) throughout April.

Humidity

With an average relative humidity of 72%, April is the least humid month in Watertown.

Rainfall

In April, in Watertown, the rain falls for 15 days. Throughout April, 2.99" (76mm) of precipitation is accumulated. Throughout the year, in Watertown, Connecticut, there are 158.5 rainfall days, and 34.57" (878mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Watertown are January through May, October through December. In Watertown, during April, snow falls for 1.6 days and regularly aggregates up to 1.46" (37mm) of snow. In Watertown, during the entire year, snow falls for 34.9 days and aggregates up to 20.35" (517mm) of snow.

Daylight

The average length of the day in April in Watertown, Connecticut, is 13h and 22min.
On the first day of April in Watertown, Connecticut, sunrise is at 6:34 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 7:49 pm EDT.

Sunshine

The average sunshine in April in Watertown, Connecticut, is 8.1h.

UV index

In Watertown, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: A daily high UV index of 3 in April leads to these guidelines:
Undertake protective steps - Recommendations to avoid sunburn are issued. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
[Resources]

Frequently asked questions

What are the temperatures in Watertown in April?

In April, the average high-temperature and low-temperature are 56.7°F (13.7°C) and 39.7°F (4.3°C) respectively.

What is the least humid month in Watertown?

The least humid month in Watertown, Connecticut, is April, with an average relative humidity of 72%.

What is the average humidity in April in Watertown?

In April, the average relative humidity in Watertown, Connecticut, is 72%.

How many days does it rain in April in Watertown?

In Watertown, in April, during 15 rainfall days, 2.99" (76mm) of precipitation is typically accumulated.

How much does it snow in Watertown in April?

In Watertown, in April, during 1.6 snowfall days, 1.46" (37mm) of snow is typically accumulated.

What is the average length of the day in April in Watertown?

The average day length in April in Watertown is 13h and 22min.

When are sunrise and sunset in April in Watertown?

In April, on the first day of the month, sunrise is at 6:34 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 7:49 pm EDT.

How long on average sun shines in April in Watertown?

In April, the average sunshine duration is 8.1h.

What is the UV index reading in April in Watertown?

In Watertown, Connecticut, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat 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
Watertown, CT

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

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (33.3°F).

  • Average low temperature in April: 39.7°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).

[Resources]

Average pressure in April
Watertown, CT

Average pressure in April - Watertown, 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).

[Resources]

Average wind speed in April
Watertown, CT

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

The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

[Resources]

Average humidity in April
Watertown, CT

Average humidity in April - Watertown, CT
  • Average humidity in April: 72%

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (72%).

[Resources]

Average rainfall in April
Watertown, CT

Average rainfall in April - Watertown, CT
  • Average rainfall in April: 2.99"

The wettest month (with the highest rainfall) is December (3.78").
The driest month (with the least rainfall) is September (2.13").

[Resources]

Average rainfall days in April
Watertown, CT

Average rainfall days in April - Watertown, CT
  • Average rainfall days in April: 15 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (7.3 days).

[Resources]

Average snowfall in April
Watertown, CT

Average snowfall in April - Watertown, CT
  • Average snowfall in April: 1.46"

The month with the highest snowfall is February (5.39").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in April
Watertown, CT

Average snowfall days in April - Watertown, CT
  • Average snowfall days in April: 1.6 days

The month with the highest number of snowfall days is February (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

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

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

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in April: 8h and 1min

The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

[Resources]

Average sunshine days in April
Watertown, CT

Average sunshine days in April - Watertown, CT
  • Average sunshine days in April: 12.9 days

The month with the most sunshine days is January (18.1 days).
The month with the least sunshine days is June (11.1 days).

[Resources]

Average UV index in April
Watertown, CT

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

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).

[Resources]

Average cloud cover in April
Watertown, CT

Average cloud cover in April - Watertown, CT
  • Average cloud cover in April: 47

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 35).

[Resources]

Average visibility in April
Watertown, CT

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

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

[Resources]

Watertown, Connecticut, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location