Hartford
Connecticut, USA
Long-term weather forecast
Long-term weather forecast

April weather forecast and climate
Hartford, CT

Skyscape view of the city of Hartford, Connecticut, with the roads leading to the town, and trees on roadsides
Skyscape view of the city of Hartford, Connecticut, with the roads leading to the town, and trees on roadsides
April is a mild spring month in Hartford, Connecticut, with average temperature fluctuating between 38.5°F (3.6°C) and 60.4°F (15.8°C).

Temperature

In Hartford, the average high-temperature rises, from a frosty 47.7°F (8.7°C) in March, to a mild 60.4°F (15.8°C). In April, the average low-temperature is 38.5°F (3.6°C).

Humidity

April is the least humid month in Hartford, with an average relative humidity of 58%.

Rainfall

In Hartford, during 11.2 rainfall days, 3.7" (94.5mm) of precipitation is typically accumulated. In Hartford, during the entire year, the rain falls for 130 days and collects up to 45.9" (1164.6mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. April is the last month it regularly snows. During 0.5 snowfall days, in April, Hartford aggregates 1.4" (35.6mm) of snow. In Hartford, during the entire year, snow falls for 20.1 days, and aggregates up to 40.5" (1028.8mm) of snow.

Daylight

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

Sunshine

In April, the average sunshine is 7.6h.

UV index

In April, the average daily maximum UV index in Hartford is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to the UV radiation for average individuals.
Note: In April, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in April in Hartford?

The average high-temperature, in April, in Hartford, is 60.4°F (15.8°C), while the average low-temperature is 38.5°F (3.6°C).

What is the least humid month in Hartford?

The least humid month in Hartford is April, with an average relative humidity of 58%.

What is the average humidity in April in Hartford?

The average relative humidity in April in Hartford, Connecticut, is 58%.

How many days does it rain in April in Hartford?

In Hartford, during April, the rain falls for 11.2 days and regularly aggregates up to 3.7" (94.5mm) of precipitation.

What is the last month it snows in Hartford?

April is the last month it regularly snows. During 0.5 snowfall days, in April, Hartford aggregates 1.4" (35.6mm) of snow.

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

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

How many hours of sunshine does Hartford have in April?

In Hartford, Connecticut, the average sunshine in April is 7.6h.

What is the UV index intensity in April in Hartford?

The average daily maximum UV index in April in Hartford, Connecticut, is 6. A UV Index of 6 to 7 symbolizes a high health risk from the exposure to the Sun's UV rays.
Average temperature in April - Hartford, CT
  • Average high temperature in April: 60.5°F

The warmest month (with the highest average high temperature) is July (84.5°F).
The month with the lowest average high temperature is January (34.5°F).

  • Average low temperature in April: 38.4°F

The month with the highest average low temperature is July (62.7°F).
The coldest month (with the lowest average low temperature) is January (17.7°F).

Average humidity in April - Hartford, CT
  • Average humidity in April: 58%

The month with the highest relative humidity is September (72.9%).
The month with the lowest relative humidity is April (58%).

Average rainfall in April - Hartford, CT
  • Average rainfall in April: 3.7"

Wettest months (with the highest rainfall) are May, June and October (4.4").
The driest month (with the lowest rainfall) is February (2.9").

Average rainfall days in April - Hartford, CT
  • Average rainfall days in April: 11.2 days

The month with the highest number of rainy days is May (12.8 days).
The month with the lowest number of rainy days is February (9.7 days).

Average snowfall in April - Hartford, CT
  • Average snowfall in April: 1.4"

The month with the highest snowfall is January (12.3").
Months with the lowest snowfall are May, June, July, August, September and October (0").

Average snowfall days in April - Hartford, CT
  • Average snowfall days in April: 0.5 days

The month with the highest number of snowfall days is January (5.8 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

Average daylight in April / Average sunshine in April - Hartford, CT
  • Average daylight in April: 13.4h

The month with the longest days is June (Average daylight: 15.2h).
The month with shortest days is December (Average daylight: 9.2h).

  • Average sunshine in April: 7.6h

The month with most sunshine is July (Average sunshine: 9.5h).
The month with least sunshine is December (Average sunshine: 4.5h).

Average UV index in April - Hartford, CT
  • Average UV index in April: 6

Months with the highest UV index are June, July and August (UV index 8).
Months with the lowest UV index are January and December (UV index 1).