Cool
Average highs are around 19°C, so pack for cooler days.
May verdict
Mixed 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 75mm, which is relatively low for holiday planning.
Monthly averages
Temp
19°C
Rain
75mm
Sun
7.5h
Weather score
44
Mixed
Cool
Average highs are around 19°C, so pack for cooler days.
Drier
Rainfall averages 75mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 7.5h per day, enough for a balanced month.
Map
Compare Brockville, Canada with nearby places by weather score, rain, sun, temperature, and swim conditions.
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.
May75mm average rain
May sits near Brockville's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to August, October, and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
May7.5 hours average sun
May is brighter than Brockville'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.
May44 weather score
May sits close to Brockville's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.
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