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The climate of San Diego: when to go to San Diego

San Diego has a dry and mild Mediterranean climate which makes it one of the best cities in the United States for the quality and mildness of the climate. San Diego has over 3,000 hours of sunshine per year and an average annual temperature of 17.6 ° C. The city has over 200 days a year with average temperatures above 21 ° C. The hottest month is August when the maximum average temperatures reach 24.7 ° C and the minimum average temperatures reach 19.3 ° C. The coldest month of the year is instead December when the maximum average temperatures reach 18.2 ° C and the minimum average temperatures reach 9.1 ° C. For these climatic parameters, its climate is one of the best in the United States.

Considering the rainfall, the city has a semi-arid climate, on average San Diego receives only 263 mm of rain per year, the rainy days are only 41 in a year, so seeing rain in San Diego is almost a rarity. Almost all of the scarce rains fall between December and March. In the driest months, those between May and September, the city has an average of 1 rainy day per month. In the rainiest months – those between December and March – the rainy days are only 7 per month. Between May and June the influence of the ocean sometimes causes a thin layer of clouds that envelop the city, but only a few kilometers away inland the sky is generally clear.

Due to the presence of the California cold current the temperature of the Pacific ocean water in San Diego is relatively low during the year. The ocean water temperature touches the minimum value of 13.8 ° C in February and reaches 19.9 ° C in August.

WHEN TO GO TO SAN DIEGO

Due to the mild climate that characterizes San Diego every time of the year is excellent for visiting the city. The best months, however, are those that go from April to October when the probability of rain is almost nil and the temperatures very pleasant. The city has an average of almost 150 sunny days and almost 120 partly cloudy days per year.

THE CLIMATE OF SAN DIEGO: CLIMATE TABLES

SAN DIEGO (5 meters)
MonthAverage low (°C)Average high (°C)Precip. (mm)Precip. days
January9,418,450 6,7
February10,418,357 7,1
March11,818,746 6,5
April13,319,720 4,0
May15,220,33 1,4
June16,721,62 0,8
July18,623,71 0,7
August19,324,70 0,4
September18,424,44 1,2
October15,922,714 2,8
November12,020,625 4,1
December9,118,239 5,8
YEAR14,220,9262 41,5
SAN DIEGO
MonthSea Water Temperature °C
January15,1
February14,8
March15,2
April15,9
May17,0
June18,1
July19,5
August19,9
September19,2
October18,4
November17,1
December15,8

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