Mild
Average highs are around 25°C, so days are mild rather than hot.
December verdict
Good for holiday weather
Average highs are around 25°C, so days are mild rather than hot. Sunshine averages 6h per day, enough for a balanced month. Rainfall averages 17mm, which is relatively low for holiday planning.
Monthly averages
Temp
25°C
Rain
17mm
Sun
6h
Sea
18°C
Weather score
63
Good
Mild
Average highs are around 25°C, so days are mild rather than hot.
Drier
Rainfall averages 17mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 6h per day, enough for a balanced month.
Cool sea
Sea temperatures average 18°C, so the water can feel cool.
Map
Compare Casma, Peru with nearby places by weather score, rain, sun, temperature, and swim conditions.
December25°C average high
December is close to Casma's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsJanuary to March
This stretch sets the upper range for average daytime heat.
December17mm average rain
December is close to Casma's usual rainfall pattern, with little seasonal change across the year.
Driest monthsAll year
Rainfall stays comparatively low through the year.
December6 hours average sun
December is one of Casma's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsJanuary to April and November to December
This stretch has the strongest sunshine in the monthly averages.
December18°C average sea
December is close to Casma's yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaJanuary to March
Sea temperatures are usually near 20°C in this stretch, so swimming comfort is at its strongest.
December63 weather score
December sits close to Casma's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJanuary to April and December
These months have the strongest weather score in the monthly averages.