The highest day temperature in April 2025 was 46°F. The lowest night temperature was 23°F. The average values for day and night temperatures during April were 35.6°F и 31.4°F respectivly.

The average sea surface temperature in April 2025 for St. John's was 32.2°F. The maximum and minimum values were 31.0°F and 33.2°F respectively.

Most of the days in April are gloomy but you can also expect sunny days.

Precipitation total in April for St. John's is 1.6 in. It makes april one of the least rainy months of the year.

The average wind speed in April is 13.9 mph.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for St. John's in April is 4.1 hours.