Cool
Average highs are around 14°C, so pack for cooler days.
April verdict
Poor for holiday weather
Average highs are around 14°C, so pack for cooler days. Sunshine averages 7h per day, enough for a balanced month. Rainfall averages 87mm, so some wet days are possible.

Monthly averages
Temp
14°C
Rain
87mm
Sun
7h
Sea
3°C
Weather score
29
Poor
Cool
Average highs are around 14°C, so pack for cooler days.
Showers
Rainfall averages 87mm, so some wet days are possible.
Some sun
Sunshine averages 7h per day, enough for a balanced month.
Cool sea
Sea temperatures average 3°C, so the water can feel cool.
Map
Compare Lake Geneva, Wisconsin, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
April14°C average high
April is close to Lake Geneva's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsMay to September
This stretch sets the upper range for average daytime heat.
April87mm average rain
April is wetter than Lake Geneva's yearly average, so flexible plans matter more.
Driest monthsJanuary to February and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
April7 hours average sun
April sits close to Lake Geneva's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
April3°C average sea
April is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJuly to September
Sea temperatures are usually near 20°C in this stretch, so swimming comfort is at its strongest.
April29 weather score
April is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.