New Haven weather in April: New Haven, Connecticut: normal highs, lows, rain and records for April
New Haven in April has a normal high of 58°F and a normal low of 39°F, a daily mean of 49°F, rising from 52°F on the 1st to 63°F by the 30th. Measurable precipitation falls on 11 days in a normal April, 4.19 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 14°C and low of 4°C, 106 mm of precipitation in April.
- NOAA stationNew Haven Tweed Airport
- Station IDUSW00014758
- Location41.26°N 72.89°W
- Elevation3 ft (1 m)
- From the center4 miles
- Population137,562
- Jan 38° 23°
- Feb 40° 24°
- Mar 47° 30°
- Apr 58° 39°
- May 68° 49°
- Jun 76° 59°
- Jul 82° 66°
- Aug 81° 65°
- Sep 75° 57°
- Oct 64° 46°
- Nov 53° 36°
- Dec 44° 29°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is New Haven in April?
The normal high is 58°F and the normal low 39°F, for a daily mean of 48.5°F. April is 10.0°F warmer than March and 10.0°F cooler than May. April is the 7th warmest month of the year in New Haven and the wettest. Across the month the normal high rises 11°F, from 52°F on April 1 to 63°F on April 30. From one year to the next April's mean temperature typically moves about 2.2°F either way (NOAA's standard deviation), so roughly two Aprils in three average between 46°F and 51°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 39%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| April 1 | 52°F | 35°F | 34% | 21% |
| April 8 | 55°F | 37°F | 35% | 22% |
| April 15 | 58°F | 39°F | 36% | 22% |
| April 22 | 60°F | 42°F | 38% | 22% |
| April 30 | 63°F | 44°F | 39% | 23% |
Every day of April: normal high, low and chance of precipitation (warmest afternoon April 30, coldest night April 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| April 1 | 52°F | 35°F | 34% | 21% | 12 h 40 min |
| April 2 | 53°F | 35°F | 34% | 21% | 12 h 40 min |
| April 3 | 53°F | 35°F | 34% | 21% | 12 h 40 min |
| April 4 | 53°F | 36°F | 35% | 21% | 12 h 50 min |
| April 5 | 54°F | 36°F | 35% | 21% | 12 h 50 min |
| April 6 | 54°F | 36°F | 35% | 21% | 12 h 50 min |
| April 7 | 55°F | 37°F | 35% | 21% | 13 h |
| April 8 | 55°F | 37°F | 35% | 22% | 13 h |
| April 9 | 55°F | 37°F | 35% | 22% | 13 h |
| April 10 | 56°F | 37°F | 35% | 22% | 13 h |
| April 11 | 56°F | 38°F | 35% | 22% | 13 h 10 min |
| April 12 | 57°F | 38°F | 35% | 22% | 13 h 10 min |
| April 13 | 57°F | 38°F | 36% | 22% | 13 h 10 min |
| April 14 | 57°F | 39°F | 36% | 22% | 13 h 10 min |
| April 15 | 58°F | 39°F | 36% | 22% | 13 h 20 min |
| April 16 | 58°F | 39°F | 36% | 22% | 13 h 20 min |
| April 17 | 59°F | 40°F | 36% | 22% | 13 h 20 min |
| April 18 | 59°F | 40°F | 36% | 22% | 13 h 20 min |
| April 19 | 59°F | 41°F | 37% | 22% | 13 h 30 min |
| April 20 | 60°F | 41°F | 37% | 22% | 13 h 30 min |
| April 21 | 60°F | 41°F | 37% | 22% | 13 h 30 min |
| April 22 | 60°F | 42°F | 38% | 22% | 13 h 30 min |
| April 23 | 61°F | 42°F | 38% | 22% | 13 h 40 min |
| April 24 | 61°F | 42°F | 38% | 22% | 13 h 40 min |
| April 25 | 62°F | 43°F | 38% | 22% | 13 h 40 min |
| April 26 | 62°F | 43°F | 39% | 23% | 13 h 40 min |
| April 27 | 62°F | 43°F | 39% | 23% | 13 h 50 min |
| April 28 | 63°F | 44°F | 39% | 22% | 13 h 50 min |
| April 29 | 63°F | 44°F | 39% | 22% | 13 h 50 min |
| April 30 | 63°F | 44°F | 39% | 23% | 13 h 50 min |
- Normal high
- 58°FApril average
- Normal low
- 39°FApril average
- Precipitation
- 4.19 inmonth total
- Days with precipitation
- 110.01 inch or more
- Nights at 32°F or colder
- 4
- Daylight
- 12 h 40 min to 13 h 50 minApril 1 to April 30
- Days at 70°F or more
- 3
- Days at 80°F or more
- 1
- Sunshine
- 71%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00014758; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in New Haven in April?
On a given April day the chance of 0.01 inch or more is 36% on average, highest around April 30 (39%). In all, 4.19 in falls on 11 days of a normal April, 1 of them with an inch or more.
In a normal April in New Haven, 4 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014758.
What are the records for April in New Haven?
The warmest April temperature on this station's record (since 1948) is 88°F, on April 14, 2023; the coldest is 17°F, on April 4, 1954. The wettest April brought 9.04 in (2007); the snowiest, 4.9 inches (1950).
The April mean against the 1991-2020 normal of 48.5°F: 2021 50.8°F (+2.3), 2022 50.8°F (+2.3), 2023 53.6°F (+5.1), 2024 51.4°F (+2.9), 2025 52.6°F (+4.1), 2026 49.3°F (+0.8). 6 of 6 ran warmer than normal.
| April | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 50.8°F | +2.3°F | 3.23 in |
| 2022 | 50.8°F | +2.3°F | 3.61 in |
| 2023 | 53.6°F | +5.1°F | 4.24 in |
| 2024 | 51.4°F | +2.9°F | 3.16 in |
| 2025 | 52.6°F | +4.1°F | 2.53 in |
| 2026 | 49.3°F | +0.8°F | 1.67 in |
Source: records: ACIS, station USW00014758; recent months: ACIS, station USW00014758. Records and recent months use complete months only.
How does April in New Haven compare across Connecticut?
Across the 13 places PlainClimate covers in Connecticut, April normal highs run from 54°F in Norfolk to 62°F in Stamford; New Haven's is 58°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.