Weather Guide

Casma, Peru Average Monthly Weather

Weather score59Good annual avg

Best months: February, March, January

Across the year, average daytime temperatures are around 24°C, sunshine averages 5.1h per day, and rainfall totals about 175mm. Sea temperatures average 19°C across the year.

Annual weather

Annual averages

Temp

24°C

Rain

175mm

Annual total

Sun

5.1h

Sea

19°C

Weather score

59

Good avg

Seasonal climate calendar

TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score

Trip feel

Mild

Average highs are around 22°C, so days are mild rather than hot.

Drier

Rainfall averages 7mm, which is relatively low for holiday planning.

Limited sun

Sunshine averages 4h per day, so this is not one of the brighter months.

Cool sea

Sea temperatures average 18°C, so the water can feel cool.

Map

Weather map

Compare Casma, Peru with nearby places by weather score, rain, sun, temperature, and swim conditions.

Temperature

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July22°C average high

July is cooler than the yearly average, which can make sightseeing feel gentler than in hotter months.

Warmest monthsJanuary to March

This stretch sets the upper range for average daytime heat.

July7mm average rain

July 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.

July4 hours average sun

July is one of Casma's cloudier months, so sunshine-led plans are less reliable.

Brightest monthsJanuary to April and November to December

This stretch has the strongest sunshine in the monthly averages.

Sea temperature

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July18°C average sea

July is below Casma's yearly sea-temperature average, so swimming can feel fresher.

Warmest seaJanuary to March

Sea temperatures are usually near 20°C in this stretch, so swimming comfort is at its strongest.

Weather score

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July53 weather score

July is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.

Best weather monthsJanuary to April and December

These months have the strongest weather score in the monthly averages.