Waterbury, CT weather in April
Waterbury is cool in April, with frequent rain: highs average 60°F and nights drop to about 36°F. Expect about 11 wet days. Snowfall averages about 2.6 in. A good month for most outdoor plans.
- Normal high
- 60°F
- Normal low
- 36°F
- Wet days
- 11
- 4.3 in total
- Snowfall
- 2.6 in
- snow on the ground 2 days
How April changes from start to finish
| April 1 | April 30 | |
|---|---|---|
| Normal high | 53°F | 66°F |
| Normal low | 31°F | 42°F |
| Chance of a wet day | 35% | 38% |
| Sunrise / sunset | 6:34 am / 7:17 pm | 5:50 am / 7:48 pm |
| Daylight | 12.7 h | 14.0 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).
A typical April day
- 6 am42°Fdew point 34°F
- 9 am50°Fdew point 34°F
- Noon56°Fdew point 33°F
- 3 pm59°Fdew point 32°F
- 6 pm55°Fdew point 33°F
- 9 pm49°Fdew point 34°F
NOAA hourly normals (local standard time) from Hartford Bradley Intl Airport (32 mi away); average wind 9 mph.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F8 of 30
- Hot dayshigh 90°F or more0 of 30
- Muggy daysdaily mean dew point 65°F or more0 of 30
- Wet daysat least 0.01 in of rain or melted snow11 of 30
- Notable rainat least 0.10 in7 of 30
- Freezing nightslow 32°F or below10 of 30
- Snow on the groundsnow depth 1 in or more2 of 30
Average days per April, counted from daily records for each year 1991-2020.
Rain and snow in April
Normal precipitation is 4.3 in; a dry April brings about 2.5 in and a wet one about 5.5 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more. Normal snowfall is 2.6 in, with about 1 day of an inch or more.
How April varies from year to year
- Warmest April, 1991-20201994: average high 66°F
- Coolest April2018: average high 54°F
- Wettest April2007: 9.9 in
- Driest April1999: 0.7 in
- Highest reading94°F (April 18, 2002)
- Lowest reading16°F (April 6, 1995)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
April compared with March and May
| March | April | May | |
|---|---|---|---|
| Normal high | 47°F | 60°F | 70°F |
| Normal low | 26°F | 36°F | 47°F |
| Wet days | 10 | 11 | 12 |
| Comfortable days | 2 | 8 | 16 |
| Daylight | 12.0 h | 13.3 h | 14.5 h |
Highs change by +13°F from March and +10°F into May.
Nearby alternatives in April
- Warmer: Philadelphia, PA157 mi · high 65°F · 11 wet days
- Cooler: Nantucket, MA154 mi · high 52°F · 12 wet days
How Waterbury ranks in April
- Normal high280th warmest of 378 cities; 2nd of 5 in Connecticut
- Wet days256th driest of 378
- Comfortable days226th most of 340
What to pack for Waterbury in April
- A warm jacket – lows near 36°F, highs near 60°F
- A rain jacket or umbrella – rain or snow on about 11 days
Frost in April
The last spring frost typically comes around Apr 26; in 1 year in 10 it comes after May 9. All frost dates for Waterbury.
Heating and cooling
April has 520 heating degree days and 4 cooling degree days (base 65°F), 8% of the year's total heating and cooling demand.
Questions
How cold is Waterbury in April?
The normal high is 60°F and the normal low is 36°F. From 1991 to 2020 the coldest April reading was 16°F (most recently on April 6, 1995).
Does it rain a lot in Waterbury in April?
About 11 days in April have at least 0.01 in of precipitation, and the normal total is 4.3 in. The wettest April in 1991-2020 was in 2007 (9.9 in); the driest was in 1999 (0.7 in).
Does it snow in Waterbury in April?
Yes. Normal snowfall in April is 2.6 in, and snow covers the ground on about 2 days.
Is April a good time to visit Waterbury?
April ranks 4th of 12 months on our comfort score for Waterbury (60 out of 100). It has about 8 comfortable days. The best months are May and September.
Where the numbers come from
- Temperature and rain: Burlington (USC00060973), 17 mi NNE of the city center, 505 ft (234 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Snowfall and snow depth: Bakersville (USC00060227), 20 mi N of the city center, 686 ft (415 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Frost dates: Meriden Markham Muni Airport (USW00054788), 12 mi ESE of the city center, 103 ft (168 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour: Hartford Bradley Intl Airport (USW00014740), 32 mi NE of the city center, 190 ft (81 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Bradley International Airport (725080-14740), 32 mi NE of the city center, 169 ft (102 ft lower than the city). Hourly observations, 1991-2020.
- Not available for this location: cloud cover (no station close enough or similar enough in elevation).