Cool
Average highs are around 19°C, so pack for cooler days.
May verdict
Guelph, Ontario, Canada in May
Weather score36Poor
Poor for holiday weather
Average highs are around 19°C, so pack for cooler days. Sunshine averages 7.5h per day, enough for a balanced month. Rainfall averages 76mm, which is relatively low for holiday planning.
May weather
Monthly averages
Temp
19°C
Rain
76mm
Sun
7.5h
Sea
8°C
Weather score
36
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 76mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 7.5h per day, enough for a balanced month.
Cool sea
Sea temperatures average 8°C, so the water can feel cool.
Map
Weather map
Compare Guelph, Ontario, Canada with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
May19°C average high
May sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
May76mm average rain
May sits near Guelph's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to July and September to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
May7.5 hours average sun
May is brighter than Guelph'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
May8°C average sea
May is below Guelph's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJuly to September
Sea temperatures are usually near 20°C in this stretch, so swimming comfort is at its strongest.
Weather score
May36 weather score
May sits close to Guelph's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.
