Cool
Average highs are around 2°C, so pack for cooler days.
May verdict
Poor for holiday weather
Average highs are around 2°C, so pack for cooler days. Sunshine averages 5.5h per day, enough for a balanced month. Rainfall averages 157mm, so some wet days are possible.
Monthly averages
Temp
2°C
Rain
157mm
Sun
5.5h
Weather score
20
Poor
Cool
Average highs are around 2°C, so pack for cooler days.
Showers
Rainfall averages 157mm, so some wet days are possible.
Some sun
Sunshine averages 5.5h per day, enough for a balanced month.
Map
Compare Grindelwald, Switzerland with nearby places by weather score, rain, sun, temperature, and swim conditions.
May2°C average high
May is close to Grindelwald'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.
May157mm average rain
May sits near Grindelwald's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to April and September to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
May5.5 hours average sun
May sits close to Grindelwald's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
May20 weather score
May is close to Grindelwald's usual weather score, with limited month-to-month change.
Best weather monthsAll year
The weather score stays consistently strong through the year.
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