Climate averages 1991–2020

Berisso weather
in December.

A warm, moderately wet month: the 3rd warmest and the 3rd driest of the year. Meets the pleasant-weather rule

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

Average high 26.0°C Daytime mean, December
Average low 18.4°C Night-time mean, December
Rainfall 76 mm 7 days with ≥1 mm
Daylight 14 h Sunrise to sunset, per day
Every month in Berisso · average highYear overview

December is a warm month in Berisso: daytime highs average 26.0°C and nights cool to about 18.4°C. By daytime temperature it is the 3rd warmest of the 12 months.

Expect about 76 mm of rain on roughly 7 days, which makes December a moderately wet month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 27 min on an average December day.

The nearest other city in this atlas is La Plata (9 km away). In December its highs average 26.1°C, about as warm as Berisso, with 82 mm of rain.

Among the 67 cities listed in Argentina, Berisso ranks 60th of 67 for the warmest December highs and joint 17th of 67 for the driest December (rainfall, lowest first). The mean December high of those 67 cities is 27.9°C; Berisso is 1.8°C cooler than that mean.

From December to January, average highs rise by 1.3°C to 27.4°C, and monthly rainfall rises from 76 mm to 79 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. 51015202530 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 1500

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

Every month, side by side

Berisso climate table

1991–2020
Monthly climate averages for Berisso, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 27.4°C20.2°C20.2°C796.514.214 h
February 26.3°C19.6°C19.6°C937.613.413 h
March 24.4°C18.0°C18.0°C937.112.312 h
April 20.8°C14.6°C14.6°C998.111.211 h
May 17.1°C11.5°C11.5°C726.810.310 h
June 14.1°C8.6°C8.6°C817.59.910 h
July 13.2°C7.4°C7.4°C837.410.110 h
August 15.3°C8.8°C8.8°C736.910.811 h
September 17.0°C10.3°C10.3°C817.111.812 h
October 19.9°C13.1°C13.1°C1119.212.913 h
November 23.1°C15.8°C15.8°C977.813.914 h
December, selected 26.0°C18.4°C18.4°C767.414.414 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 Berisso

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 Berisso) is explained once on the Berisso year overview and on the Sources, method and limits page.