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Highest Monthly Rainfall Totals in San Diego are most likely to occur in January and February (about 1.9 inches each on average) according to weather-service statistics. If low temperatures accompany the typical Pacific storms of this period, there's a chance of snow in the mountains, including a very slim chance of snowfall as far west as the coast. Only during the months of December and January have traces of snow ever been recorded at San Diego's National Weather Service station.
Highest Monthly Rainfall Totals in San Diego are most likely to occur in January and February (about 1.9 inches each on average) according to weather-service statistics. If low temperatures accompany the typical Pacific storms of this period, there's a chance of snow in the mountains, including a very slim chance of snowfall as far west as the coast. Only during the months of December and January have traces of snow ever been recorded at San Diego's National Weather Service station.