Mystic, CT weather in April
Mystic is cool in April, with frequent rain: highs average 57°F and nights drop to about 41°F. There are about 12 days with rain or snow. Snowfall averages about 0.8 in.
- Normal high
- 57°F
- Normal low
- 41°F
- Wet days
- 12
- 4.4 in total
- Snowfall
- 0.8 in
- normal snowfall
How April changes from start to finish
| April 1 | April 30 | |
|---|---|---|
| Normal high | 52°F | 62°F |
| Normal low | 36°F | 46°F |
| Chance of a wet day | 39% | 39% |
| Sunrise / sunset | 6:30 am / 7:12 pm | 5:46 am / 7:43 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 am43°Fdew point 35°F
- 9 am51°Fdew point 35°F
- Noon55°Fdew point 35°F
- 3 pm56°Fdew point 35°F
- 6 pm52°Fdew point 35°F
- 9 pm48°Fdew point 36°F
NOAA hourly normals (local standard time) from Providence T F Green Airport (38 mi away); average wind 10 mph.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°Fnot available
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph0 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 snow12 of 30
- Notable rainat least 0.10 in7 of 30
- Freezing nightslow 32°F or below4 of 30
- Snow on the groundsnow depth 1 in or more0 of 30
Average days per April, counted from daily records for each year 1991-2020.
Rain and snow in April
Normal precipitation is 4.4 in; a dry April brings about 2.8 in and a wet one about 6.0 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more. Normal snowfall is 0.8 in.
How April varies from year to year
- Warmest April, 1991-20202010: average high 62°F
- Coolest April2020: average high 53°F
- Wettest April2007: 8.0 in
- Driest April2001: 1.5 in
- Highest reading88°F (April 17, 2002)
- Lowest reading20°F (April 5, 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 | 57°F | 66°F |
| Normal low | 32°F | 41°F | 50°F |
| Wet days | 12 | 12 | 12 |
| Comfortable days | – | – | – |
| Daylight | 12.0 h | 13.3 h | 14.5 h |
Highs change by +10°F from March and +9°F into May.
Nearby alternatives in April
- Warmer: Paterson, NJ119 mi · high 63°F · 11 wet days
- Cooler: Lake Placid, NY226 mi · high 49°F · 14 wet days
How Mystic ranks in April
- Normal high310th warmest of 378 cities; 5th of 5 in Connecticut
- Wet days295th driest of 378
What to pack for Mystic in April
- A rain jacket or umbrella – rain or snow on about 12 days
Frost in April
The last spring frost typically comes around Apr 16; in 1 year in 10 it comes after Apr 30. All frost dates for Mystic.
Heating and cooling
April has 484 heating degree days and 1 cooling degree days (base 65°F), 8% of the year's total heating and cooling demand.
Questions
How cold is Mystic in April?
The normal high is 57°F and the normal low is 41°F. From 1991 to 2020 the coldest April reading was 20°F (April 5, 1995).
Does it rain a lot in Mystic in April?
About 12 days in April have at least 0.01 in of precipitation, and the normal total is 4.4 in. The wettest April in 1991-2020 was in 2007 (8.0 in); the driest was in 2001 (1.5 in).
Does it snow in Mystic in April?
Yes. Normal snowfall in April is 0.8 in.
Where the numbers come from
- Temperature, rain, snowfall and snow depth: Groton (USC00063207), 3.7 mi W of the city center, 40 ft . NOAA normals and daily records, 1991-2020.
- Frost dates: Groton New London Airport (USW00014707), 4.7 mi WSW of the city center, 10 ft . NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour: Providence T F Green Airport (USW00014765), 38 mi NE of the city center, 60 ft (52 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Groton-New London Airport (725046-14707), 4.7 mi WSW of the city center, 8 ft . Hourly observations, 1991-2020.
- Not available for this location: cloud cover (no station close enough or similar enough in elevation).