Cool
Average highs are around 14°C, so pack for cooler days.
May verdict
Poor for holiday weather
Average highs are around 14°C, so pack for cooler days. Sunshine averages 7.9h per day, enough for a balanced month. Rainfall averages 71mm, which is relatively low for holiday planning.
Monthly averages
Temp
14°C
Rain
71mm
Sun
7.9h
Weather score
39
Poor
Cool
Average highs are around 14°C, so pack for cooler days.
Drier
Rainfall averages 71mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 7.9h per day, enough for a balanced month.
Map
Compare St. Mary, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
May14°C average high
May is close to St. Mary'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.
May71mm average rain
May is wetter than St. Mary's yearly average, so flexible plans matter more.
Driest monthsJanuary to April and July to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
May7.9 hours average sun
May sits close to St. Mary's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsJuly to August
This stretch has the strongest sunshine in the monthly averages.
May39 weather score
May scores below St. Mary'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.
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