When Will It Get Cool Again
| And so When Does It Usually Cool Off Across West Fundamental and Southwest Florida in the Autumn? | ||
| Astronomically speaking autumn began at 3:21 PM EDT Wednesday September 22, but beyond West Primal and Southwest Florida the temperatures will remain annihilation but fall-like. Nosotros volition continue to accept rather high humidity with dew points in the middle 60'due south to middle seventy'southward, along with high temperatures in the mid 80's to lower 90'due south. During almost years we do not run into the outset shot of cooler drier air until the center of Oct, admitting commonly is rather short lived lasting only a mean solar day or 2, with the real cool down not occurring until Nov. A good manner to examine the timing of the outset cool down is past looking at overnight low temperatures. The overnight low temperatures are highly dependent on a few factors, non the least being the amount of moisture in the air nearly the ground measured by looking at the dew indicate, the amount of cloud embrace, and winds. In general overnight low temperatures cannot autumn below the dew point, therefore if the dew points are withal in the middle 60'south to middle lxx's so the overnight low temperatures volition too be in the mid lx'due south to mid 70's unless a cool front moves through during the dark. So to see when the first cool front end moves beyond the region we'll take a look at the long-term (since consistent records began) average dates when low temperatures autumn below dissimilar thresholds at some locations. Examining the tables and maps below nosotros do see that the long-term boilerplate date of the first real absurd down appears to exist during mid-October. This is when temperatures generally fall into the mid 50's across inland portions of the Nature Coast and beneath sixty degrees elsewhere beyond West Cardinal and Southwest Florida. The only exception is nigh the coast where the water keeps temperatures higher and these areas take longer to fall beneath threescore degrees, as seen at St. Petersburg. |
| Click on a "Site" proper name below for detailed graphs at each location. | Left click an image to magnify, click a second time to return to original size. |
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Another way to look at when it may cool down is to have a await at the graphs of the average (based on 1991-2020 Normals) and tape depression temperatures during the fall at sites beyond the region. We tin can encounter from the graphs below that during some years the first cool down has occurred equally early as mid-September when temperatures have fallen into the upper 40's across northern portions of the Nature Coast to the lower lx'south south. Notwithstanding, looking at the boilerplate lows we see that for the most part it takes until November earlier low temperatures fall into the mid fifty's northward to lower 60'southward south on a consistent ground. As well on these graphs we can see that on a few rare occasions there has been a freeze across portions of the Nature Coast during the 2nd half of October, with areas further southward during November.
| All images on this page can exist magnified by left clicking on them, and resized dorsum to original size with a 2nd left click. | |
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As a side note, for those who miss or would similar to see where the foliage has begun to change color across the U.s., visit the USDA Forest Service spider web site listed below.
https://www.fs.usda.gov/visit/autumn-colors
And for an thought of the approximate time of peak fall foliage see the image below:
For more local climate information, visit our web site at
https://www.weather.gov/tampabay
and become to the Climate and Past Weather drop down carte above the weather condition forecast graphics.
Source: https://www.weather.gov/tbw/whencool
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