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It's disgraceful. July should not be the driest month in a humid subtropical climate.
Cities like Austin are why there should be a “Sub-humid Subtropical” classification. These Cfa climates that border semi-arid and desert climates are much drier in the summer and don’t have as even a distribution of rainfall. We have rainfall maximums in May and September, but summers can get very dry. It’s not uncommon to go well over a month with no trace of rainfall in the summer.
Average. Over 100 degrees and humid every day for about 4 months during the summer and somewhat beyond. It is miserable that time of the year. Spring and fall are nice. Winters are too variable, going from mild to icy, sometimes in a single day.
Cities like Austin are why there should be a “Sub-humid Subtropical” classification. These Cfa climates that border semi-arid and desert climates are much drier in the summer and don’t have as even a distribution of rainfall. We have rainfall maximums in May and September, but summers can get very dry. It’s not uncommon to go well over a month with no trace of rainfall in the summer.
So, Austin's summer dryness may be a uniquely North American phenomenon - likely stemming from the same geographic factors that allow cold fronts to plunge so easily across the continent. For one, it's quite possible that the summer dry season is actually an illusion - the late fall, winter, and spring rainfalls might simply be "inflations" due to their dependence on the open sweep of frontal weather systems. Without such influence, it might be a situation similar to the Mexican Gulf of California, a short, low-total summer wet season with the rest of the year being dry and sunny: https://en.wikipedia.org/wiki/Guaymas#Climate https://en.wikipedia.org/wiki/Los_Mochis#Climate
On the other hand, it's clear that Texas gets wetter, more tropical summer weather whenever there are more zonal weather patterns across the continent - Texas becomes a rainfall center with the constant easterly upper wind flow off the Gulf. The phenomenon is most pronounced in the southern half of the state along/south of I-10, but Austin would definitely get in more than Dallas and other areas of North Texas. It would be interesting to see what happens in the coming years - after all, Texas isn't too far from the tropical Mexico summer rainfall zone: https://en.wikipedia.org/wiki/Tampico#Climate
Main fault with this climate is that it’s prone to such sever cold snaps during the winger that it’s difficult for palms to survive.
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