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Coast- 93 F Harbor City, 92 F Torrance, Long Beach, 91 F Palos Verdes, 90 F San Pedro
LA Basin- 101 F Yorba Linda, 100 F Downey, 99 F Beverly Hills, 98 F Tustin, 95 F La Mirada, Brea, Fullerton, Anaheim
Valleys- 101 F Perris, 100 F Arcadia, 99 F Irwindale, Hacienda heights, here, Sierra Madre, 98 F Duarte, Montclair, Fontana
predicting a warm epoch, and for southern CA to return to its oceanic "normal" conditions....
Southern CA normal climate state is arid and warm...
Normal Southern CA climate is mild and arid at the coast. Summers have a large microclimate gradient for daytime highs (70-100 average highs depending on where you are) but the nighttime lows are cold by summer standards (55-65). Our summer SST are COLD for their latitude which means we still have the oceanic influence, weather you like it or not!. That means marine layer at the beaches, some summers moreso than others (with means many July days will max out around 70 at some of the cooler beaches) and cool nights by summer standards throughout the metro (high of 93 (with a heat index topping out more like 88) and a low of 58 in the valley is the norm!). ALL our rain is cold weather you like it or not (falling at temperatures between 45 and 65 compared to our seasonal norms). We better classified as a mild and stable climate than an extremely hot one.
During the summers of 2010 and 2011, we were in our more "normal" state of highs in the 60s with rain in winter, and low 70s to 90s in the summer with cool nights and lots of marine layer at the beaches with the odd heat wave in fall bringing a few days of Santa Anas and widespread 100 + throughout the metro.
For the past 3 years, we've been in a warm EPOCH of elevated SST, high pressure dominating all winter (meaning much more winter heat waves and far less rain than usual), warmer summers at the beaches, warmer than normal overnight lows, and the very occasional westward surge of the desert monsoons bringing an isolated warm summer shower to places that don't normally get them.
We will eventually return to our normal climate with lotsa June Gloom, mild (rather than warm to hot) summers at the coast, cool nights throughout the metro all summer, reliable cold winter rains a few times a month from December through March, while still having occasional heat waves (mostly in late summer or early fall but occasionally in winter as well). But it will be the EXCEPTION and not common to see pockets of 85 F+ in winter, 90s highs at the beaches even in peak summer, or any overnight low above 70 F. Comfortable weather, yes. Searing heat year round, no.
We will also continue enjoy the oddities of our climate such as the occasional 85 F beach day in January while having a few days that max out at 65 F in JULY at our cooler beaches with fog hanging out all day.
I created another climate for you with no month having an average high lower than 100 F and 120s F all summer, RELIABLE widespread monsoon and warm rain thunderstorms every summer. No June Gloom, cold SST, or cold winter rain ever. HOWEVER, can you imagine what the heat index would feel like if it was 125 F with a thunderstorm happening at the same time?
Last edited by ABrandNewWorld; 04-28-2015 at 11:15 PM..
Normal Southern CA climate is mild and arid at the coast. Summers have a large microclimate gradient for daytime highs (70-100 average highs depending on where you are) but the nighttime lows are cold by summer standards (55-65). Our summer SST are COLD for their latitude which means we still have the oceanic influence, weather you like it or not!. That means marine layer at the beaches, some summers moreso than others (with means many July days will max out around 70 at some of the cooler beaches) and cool nights by summer standards throughout the metro (high of 93 (with a heat index topping out more like 88) and a low of 58 in the valley is the norm!). ALL our rain is cold weather you like it or not (falling at temperatures between 45 and 65 compared to our seasonal norms). We better classified as a mild and stable climate than an extremely hot one.
During the summers of 2010 and 2011, we were in our more "normal" state of highs in the 60s with rain in winter, and low 70s to 90s in the summer with cool nights and lots of marine layer at the beaches with the odd heat wave in fall bringing a few days of Santa Anas and widespread 100 + throughout the metro.
For the past 3 years, we've been in a warm EPOCH of elevated SST, high pressure dominating all winter (meaning much more winter heat waves and far less rain than usual), warmer summers at the beaches, warmer than normal overnight lows, and the very occasional westward surge of the desert monsoons bringing an isolated warm summer shower to places that don't normally get them.
We will eventually return to our normal climate with lotsa June Gloom, mild (rather than warm to hot) summers at the coast, cool nights throughout the metro all summer, reliable cold winter rains a few times a month from December through March, while still having occasional heat waves (mostly in late summer or early fall but occasionally in winter as well). But it will be the EXCEPTION and not common to see pockets of 85 F+ in winter, 90s highs at the beaches even in peak summer, or any overnight low above 70 F. Comfortable weather, yes. Searing heat year round, no.
We will also continue enjoy the oddities of our climate such as the occasional 85 F beach day in January while having a few days that max out at 65 F in JULY at our cooler beaches with fog hanging out all day.
I created another climate for you with no month having an average high lower than 100 F and 120s F all summer, RELIABLE widespread monsoon and warm rain thunderstorms every summer. No June Gloom, cold SST, or cold winter rain ever. HOWEVER, can you imagine what the heat index would feel like if it was 125 F with a thunderstorm happening at the same time?
Coast- 96 F San Pedro, 94 F Long Beach, Malibu, Newport Coast, 93 F Laguna Niguel
LA Basin- 101 F Beverly hills, 98 F La Mirada, Anaheim, Fullerton, Downey, 97 F Irvine
Valleys- 102 F Arcadia, 101 F Irwindale, 100 F Sierra Madre, Perris, Hacienda heights, here, Duarte, Montclair
Good news is our Southern California "warm epoch" may be continuing into this summer via elevated SST via an emerging strong el nino (meaning balmy nights, more consistently warm days at the immediate coast, and another chance of the desert monsoons in places that don't normally get them from July through September). However, if this strong el nino materializes, the average winter daily high temperatures in the winter of 2015-2016 will be below normal.
Good news is our Southern California "warm epoch" may be continuing into this summer via elevated SST via an emerging strong el nino (meaning balmy nights, more consistently warm days at the immediate coast, and another chance of the desert monsoons in places that don't normally get them from July through September). However, if this strong el nino materializes, the average winter daily high temperatures in the winter of 2015-2016 will be below normal.
considering that we really need the rain and that below normal means about 2 F below average (so really giving my area of Los Angeles highs at around 70 F) an El Nino winter would come in handy... i dont think it will materialize though.
you are really starting to sound like YANATOWA, "warm epoch"... please
Coast- 92 F Laguna Niguel, 91 F Long Beach, 90 F San Pedro, 89 F Newport Coast, Malibu
LA Basin- 99 F Beverly Hills, 96 F Downey, 95 F Fullerton, 94 F Anaheim, Irvine
Valleys- 102 F Perris, 100 F Arcadia, 99 F hacienda heights, here, Sierra Madre, Montclair, Fontana
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