Climate averages 1991–2020

Chiclayo weather
in December.

A warm, very dry month: the 5th warmest and the 8th driest of the year. Meets the pleasant-weather rule

Long-term climate patterns, not a forecast for a particular trip.

Average high 25.5°C Daytime mean, December
Average low 19.2°C Night-time mean, December
Rainfall 8.9 mm 3 days with ≥1 mm
Daylight 13 h Sunrise to sunset, per day
Every month in Chiclayo · average highYear overview

December is a warm month in Chiclayo: daytime highs average 25.5°C and nights cool to about 19.2°C. By daytime temperature it is the 5th warmest of the 12 months.

Expect about 8.9 mm of rain on roughly 3 days, which makes December a very dry month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 30 min on an average December day.

The nearest other city in this atlas is Trujillo (175 km away). In December its highs average 25.0°C, 0.5°C cooler than Chiclayo, with 9.0 mm of rain.

Among the 24 cities listed in Peru, Chiclayo ranks 10th of 24 for the warmest December highs and 8th of 24 for the driest December (rainfall, lowest first). The mean December high of those 24 cities is 24.6°C; Chiclayo is 0.9°C warmer than that mean.

From December to January, average highs rise by 2.1°C to 27.6°C, and monthly rainfall rises from 8.9 mm to 23 mm.

The annual picture

December in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. 101520253035 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 1000

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Chiclayo climate table

1991–2020
Monthly climate averages for Chiclayo, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 27.6°C21.4°C21.4°C233.812.512 h
February 29.0°C22.9°C22.9°C467.812.312 h
March 28.9°C22.8°C22.8°C7610.212.112 h
April 26.9°C20.9°C20.9°C275.212.012 h
May 25.1°C19.2°C19.2°C5.21.911.812 h
June 23.6°C17.9°C17.9°C0.90.311.712 h
July 22.7°C17.0°C17.0°C0.20.111.812 h
August 22.4°C16.4°C16.4°C0.20.111.912 h
September 22.7°C16.4°C16.4°C0.90.212.112 h
October 23.1°C16.7°C16.7°C2.81.012.212 h
November 23.9°C17.5°C17.5°C4.81.612.412 h
December, selected 25.5°C19.2°C19.2°C8.92.612.513 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

December in nearby cities

Distance from Chiclayo

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Chiclayo) is explained once on the Chiclayo year overview and on the Sources, method and limits page.