Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
December verdict
Very good for holiday weather
Average highs sit around 29°C, giving warm days by monthly-average standards. Sunshine averages 8.5h per day, so bright days are a strong part of the month. Rainfall averages 66mm, which is relatively low for holiday planning.
Monthly averages
Temp
29°C
Rain
66mm
Sun
8.5h
Sea
21°C
Weather score
72
Very good
Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
Drier
Rainfall averages 66mm, which is relatively low for holiday planning.
Bright
Sunshine averages 8.5h per day, so bright days are a strong part of the month.
Cool sea
Sea temperatures average 21°C, so the water can feel cool.
Map
Compare Bahía Blanca, Argentina with nearby places by weather score, rain, sun, temperature, and swim conditions.
December29°C average high
December is one of Bahía Blanca's warmest months, with daytime heat above the yearly average.
Warmest monthsJanuary to February and December
This stretch sets the upper range for average daytime heat.
December66mm average rain
December sits near Bahía Blanca's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsMay to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
December8.5 hours average sun
December is brighter than Bahía Blanca's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsJanuary to February and November to December
This stretch has the strongest sunshine in the monthly averages.
December21°C average sea
December sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaJanuary to March and December
Sea temperatures are usually near 23°C in this stretch, so swimming comfort is at its strongest.
December72 weather score
December scores above Bahía Blanca's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJanuary to February and December
These months have the strongest weather score in the monthly averages.