Mystic, CT weather in June
June in Mystic: mild, with some rain. Highs 75°F, lows 59°F, about 10 days with rain.
- Normal high
- 75°F
- Normal low
- 59°F
- Wet days
- 10
- 3.9 in total
- Muggy days
- 5
- dew point 65°F+
How June changes from start to finish
| June 1 | June 30 | |
|---|---|---|
| Normal high | 71°F | 79°F |
| Normal low | 55°F | 64°F |
| Chance of a wet day | 34% | 30% |
| Sunrise / sunset | 5:16 am / 8:14 pm | 5:17 am / 8:25 pm |
| Daylight | 15.0 h | 15.1 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 June day
- 6 am63°Fdew point 57°F
- 9 am70°Fdew point 57°F
- Noon75°Fdew point 57°F
- 3 pm75°Fdew point 58°F
- 6 pm71°Fdew point 57°F
- 9 pm66°Fdew point 58°F
NOAA hourly normals (local standard time) from Providence T F Green Airport (38 mi away); average wind 9 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 mph6 of 30
- Hot dayshigh 90°F or more0 of 30
- Muggy daysdaily mean dew point 65°F or more5 of 30
- Wet daysat least 0.01 in of rain or melted snow10 of 30
- Notable rainat least 0.10 in6 of 30
- Freezing nightslow 32°F or below0 of 30
- Snow on the groundsnow depth 1 in or more0 of 30
Average days per June, counted from daily records for each year 1991-2020.
Rain in June
Normal precipitation is 3.9 in; a dry June brings about 2.2 in and a wet one about 4.8 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more.
How June varies from year to year
- Warmest June, 1991-20201991: average high 79°F
- Coolest June2009: average high 71°F
- Wettest June1998: 9.1 in
- Driest June1999: 0.08 in
- Highest reading95°F (June 29, 1991)
- Lowest reading41°F (June 10, 2000)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
June compared with May and July
| May | June | July | |
|---|---|---|---|
| Normal high | 66°F | 75°F | 81°F |
| Normal low | 50°F | 59°F | 66°F |
| Wet days | 12 | 10 | 10 |
| Comfortable days | – | – | – |
| Daylight | 14.5 h | 15.1 h | 14.8 h |
Highs change by +9°F from May and +6°F into July.
Nearby alternatives in June
- Warmer: Yonkers, NY105 mi · high 81°F · 11 wet days
- Cooler: Nantucket, MA97 mi · high 69°F · 12 wet days
How Mystic ranks in June
- Normal high312th warmest of 378 cities; 5th of 5 in Connecticut
- Wet days170th driest of 378
What to pack for Mystic in June
- A rain jacket or umbrella – rain on about 10 days
- Sunglasses and sunscreen – about 15.1 hours of daylight and highs near 75°F
Heating and cooling
June has 43 heating degree days and 110 cooling degree days (base 65°F), 3% of the year's total heating and cooling demand.
Questions
How hot is Mystic in June?
The normal high is 75°F and the normal low is 59°F. From 1991 to 2020 the hottest June reading was 95°F (June 29, 1991).
Does it rain a lot in Mystic in June?
About 10 days in June have at least 0.01 in of precipitation, and the normal total is 3.9 in. The wettest June in 1991-2020 was in 1998 (9.1 in); the driest was in 1999 (0.08 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).