Cool
Average highs are around 14°C, so pack for cooler days.
May verdict
Saint John, New Brunswick, Canada in May
Weather score26Poor
Poor for holiday weather
Average highs are around 14°C, so pack for cooler days. Sunshine averages 6.5h per day, enough for a balanced month. Rainfall averages 109mm, so some wet days are possible.
May weather
Monthly averages
Temp
14°C
Rain
109mm
Sun
6.5h
Sea
6°C
Weather score
26
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 109mm, so some wet days are possible.
Some sun
Sunshine averages 6.5h per day, enough for a balanced month.
Cool sea
Sea temperatures average 6°C, so the water can feel cool.
Map
Weather map
Compare Saint John, New Brunswick, Canada with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
May14°C average high
May is close to Saint John's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
May109mm average rain
May sits on the drier side of Saint John's year, which helps with sightseeing and transfers.
Driest monthsFebruary to October
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
May6.5 hours average sun
May is brighter than Saint John's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
May6°C average sea
May is below Saint John's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJuly to October
Sea temperatures are usually near 13°C in this stretch, so swimming comfort is at its strongest.
Weather score
May26 weather score
May scores below Saint John's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.
