Temperatures in April
It's cool in April in New Haven with an average temperature of 12°C. Temperatures this month range from a low of 8°C to a high of 17°C. At night, you can expect temperatures between -4°C and 4°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for New Haven in April. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of April
The month of April starts in New Haven with cool temperatures, averaging around 12°C during the day and nights close to 0°C. There’s little chance of precipitation. The weather is mostly sunny and dry.
Mid-April
By mid-April, the average daytime temperature drops to around 11°C, with nights close to 0°C. Not much precipitation expected during this period. It’s mostly dry with sunshine.
End of April
By the end of April, the average daytime temperature in New Haven will be around 15°C, with nights close to 3°C. Barely any chance of precipitation. The weather will mostly be dry with lots of sunshine.
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Precipitation in April
In April, there is an average of 17 mm of precipitation, spread over 5 days. Of the total precipitation, about 19 cm falls as snow in April. The wind speed is around 4 Bft, mostly coming from the Southwest.
The precipitation chance averages 16% per day this month. Though that seems low, there are also a few days with a higher chance of precipitation.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in April for New Haven. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
New Haven in April |
London | ||
|---|---|---|---|
 Average Temperature |
12°C | 15°C | |
 High Temp |
17°C | 18°C | |
| Low Temp |
8°C | 12°C | |
 Total Precipitation |
17 mm | 29 mm | |
| Rainy Days |
5 days | 7 days | |
 Total Snowfall |
19 cm | 0 cm | |
| Snowy Days |
9 days | 0 days | |
March
UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Temperature records for New Haven in April
With 27°C, New Haven hit the highest temperature in the last 10 years in April 2023. The lowest daytime temperature in this month was -10°C in 2020. The extreme night temperatures ranged from a low of -18°C to a high of 15°C.
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Daily Temperature in April in New Haven
This chart shows the average daily temperatures, both day and night, for each day in April in New Haven, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in April in New Haven
The chart below shows the average daily precipitation in April for New Haven, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for April, you can expect around 5 days of rain in New Haven.
Daily Snowfall in April in New Haven
This chart shows the average daily snowfall in April in New Haven, measured in centimetres. The bottom of the chart shows the days of the month. The data is based on historical measurements and gives an idea of the average snowfall in April.
Daily UV Index in April in New Haven
This chart shows the average daily UV index in April in New Haven, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in April in New Haven Over the Years
This chart shows the average temperature in April in New Haven, measured in degrees Celsius, over the past years.
Total Precipitation in April in New Haven Over the Years
This chart shows the average precipitation in April in New Haven, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Snowfall in April in New Haven per year
This chart shows the average snowfall in April in New Haven, measured in centimetres, over the past years.
Daily climate in April for New Haven
Click on a specific day in April for detailed info on the typical weather on that day in New Haven. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in April in New Haven
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Average Weather in New Haven by Month
Click on a month below to see detailed weather info for New Haven. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of New Haven for all months at once
