Sun, sea & sand

St. John's weather in June

Temperature, sea and sunshine in June: long-term averages from 30 years of weather data, not a forecast.

19

Holiday weather in June

Poor

Best time to visit: May – August

What is the weather like in St. John's in June?

In June, St. John's is cool: daytime highs average 14 °C, and nights cool down to about 7 °C. The sea averages 6.2 °C – swimming is only for the hardy. Expect around 6 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 69 mm in total. All in all, June is not an ideal month for a holiday in St. John's.

June compared

How the weather changes from May to July. Tap a month to open it.

MayMayJuneJunJulyJul
Score191923
Day9°14°20°
Night3°7°13°
Sea3°6°11°
Sun6 h6 h6 h
Rain days111010

More details for June

Daylight
15 h 57 min05:02 – 20:59
UV index
8 · very highclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
23 km/haverage daily peakAll months
Cloud cover
76 %on averageAll months
Hot days
0 days30 °C or more
Snow days
0 days1 cm or more of fresh snowAll months
Time zone
UTC−2:30America/St_Johns

How the score comes together

  • Temperatureweight 35 %0 %
  • Seaweight 25 %0 %
  • Sunshineweight 20 %42 %
  • Few rainy daysweight 20 %54 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in June

  • Sunscreen
  • Sunglasses & sun hat
  • A jumper for the evenings
  • Rain jacket or umbrella

St. John's in June: quick answers

Is St. John's hot in June?

No. In June, St. John's is cool: daytime highs average 14 °C and nights drop to about 7 °C.

Can you swim in St. John's in June?

Only if you don't mind cold water: in June the sea averages just 6.2 °C. Comfortable swimming temperatures are not reached at any time of year.

Does it rain much in St. John's in June?

Rain is frequent, with about 10 rainy days and 69 mm in total.

St. John's month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences