Cool
Average highs are around 18°C, so pack for cooler days.
December verdict
Poor for holiday weather
Average highs are around 18°C, so pack for cooler days. Sunshine averages 5.6h per day, enough for a balanced month. Rainfall averages 63mm, which is relatively low for holiday planning.
Monthly averages
Temp
18°C
Rain
63mm
Sun
5.6h
Weather score
37
Poor
Cool
Average highs are around 18°C, so pack for cooler days.
Drier
Rainfall averages 63mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 5.6h per day, enough for a balanced month.
Map
Compare Goleta, California, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
December18°C average high
December has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsJuly to October
This stretch sets the upper range for average daytime heat.
December63mm average rain
December is wetter than Goleta's yearly average, so flexible plans matter more.
Driest monthsMay to October
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
December5.6 hours average sun
December is one of Goleta's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsApril to August
This stretch has the strongest sunshine in the monthly averages.
December37 weather score
December is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJune to September
These months have the strongest weather score in the monthly averages.