The highest day temperature in May 2026 was 63°F. The lowest night temperature was 27°F. The average values for day and night temperatures during May were 48.7°F и 37.2°F respectivly.

The average sea surface temperature in May 2026 for Corner Brook was 38.4°F. The maximum and minimum values were 33.4°F and 43.4°F respectively.

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

Precipitation total in May for Corner Brook is 1.7 in. It makes may one of the least rainy months of the year.

The average wind speed in May is 8.9 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 Corner Brook in May is 5.5 hours.