Climate averages 1991–2020

Rafaela weather
in December.

A hot, wet month: the 2nd warmest and the 10th driest of the year.

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

Average high 29.2°C Daytime mean, December
Average low 18.9°C Night-time mean, December
Rainfall 129 mm 9 days with ≥1 mm
Daylight 14 h Sunrise to sunset, per day
Every month in Rafaela · average highYear overview

December is a hot month in Rafaela: daytime highs average 29.2°C and nights cool to about 18.9°C. By daytime temperature it is the 2nd warmest of the 12 months.

Expect about 129 mm of rain on roughly 9 days, which makes December a wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 08 min on an average December day.

The nearest other city in this atlas is Santa Fe (86 km away). In December its highs average 29.2°C, about as warm as Rafaela, with 136 mm of rain.

Among the 67 cities listed in Argentina, Rafaela ranks joint 20th of 67 for the warmest December highs and joint 54th of 67 for the driest December (rainfall, lowest first). The mean December high of those 67 cities is 27.9°C; Rafaela is 1.3°C warmer than that mean.

From December to January, average highs rise by 0.9°C to 30.1°C, and monthly rainfall falls from 129 mm to 119 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. 5101520253035 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

Rafaela climate table

1991–2020
Monthly climate averages for Rafaela, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 30.1°C20.3°C20.3°C1199.513.914 h
February 28.6°C19.4°C19.4°C1268.913.213 h
March 26.8°C17.7°C17.7°C1398.912.312 h
April 23.1°C14.6°C14.6°C1098.011.311 h
May 19.6°C11.5°C11.5°C656.110.611 h
June 17.0°C8.6°C8.6°C404.810.110 h
July 16.5°C7.3°C7.3°C304.210.310 h
August 19.4°C8.8°C8.8°C424.211.011 h
September 21.8°C11.0°C11.0°C575.711.912 h
October 24.3°C14.0°C14.0°C1309.712.813 h
November 27.1°C16.5°C16.5°C1238.513.714 h
December, selected 29.2°C18.9°C18.9°C1299.414.114 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 Rafaela

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