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Old 04-04-2012, 09:23 PM
 
Location: Toronto
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A "sun shower" is when there is rain when it's still sunny. I personally like the appearance of a sun shower in the summer when it happens, as it is cool/pleasant as a sight and feeling to experience for me.

Sunshower - Wikipedia, the free encyclopedia

Judging by the places that have folklore around it, it seems to be well-known as a concept in many climates, but then again it is probably not that common enough all over the year I've guessing.

Many times when it rains, the sky is simply dark, either the "overcast drizzle" type or the "sudden darkening of a quick convective thunderstorm" type.

But what places/climates is this phenomenon more likely? What features or geographical characteristics make "sun showers" more probable or unlikely.

I'm guessing it might be hard to get an estimate because it implies duration of time when it is both sunny and rainy, recorded at the same time.
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Old 04-04-2012, 09:24 PM
 
Location: Leeds, UK
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These are pretty common here.
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Old 04-04-2012, 10:16 PM
 
Location: Valdez, Alaska
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Saw that a lot in Florida, because the summer storms are so isolated. I thought it was quite funny when I moved there that you could often drive around the afternoon storms just by going a few streets over.
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Old 04-04-2012, 10:56 PM
 
Location: New Jersey
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We had a light sun shower here in March which was accompanied with thunder, but they're not very common.

I saw a sun shower in Orlando once, which was followed by a beautiful rainbow.
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Old 04-04-2012, 11:19 PM
 
Location: Sydney, Australia
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More common in the mid-high latitudes I would guess because of obliquity of sun angle, but can happen just about anywhere. Reasonably common here especially in the latter stages of a thunderstorm (which can feature pouring rain).
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Old 04-05-2012, 07:47 AM
 
Location: London, UK
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Saw that quite a lot in Singapore where showers can be very isolated. Definitely an awesome phenomenon.
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Old 04-05-2012, 08:12 AM
 
Location: USA East Coast
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I think one would be more likely to experience sun showers where storms tend to be more localized. So this would mean anywhere that tall vertical clouds (cumulus) are more common than lower horizontal clouds (stratus). Globally, I would guess this means lower latitude humid climates mentioned above (Singapore, Florida…etc). I've experinced it many times...it always means summer to me. lol.

Still, it can be rather odd to see rain falling from a mostly blue sky – lol.


Florida sun showers - YouTube
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Old 04-05-2012, 08:41 AM
 
Location: Top of the South, NZ
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Common here at any time of year. Mountains fragment rain clouds a lot of the time. Also faster moving systems will tend to deliver the rain in bands, with partially to totally clear interludes.
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Old 04-05-2012, 08:42 AM
 
Location: London
778 posts, read 1,043,425 times
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Quote:
Originally Posted by Stumbler. View Post
A "sun shower" is when there is rain when it's still sunny. I personally like the appearance of a sun shower in the summer when it happens, as it is cool/pleasant as a sight and feeling to experience for me.

Sunshower - Wikipedia, the free encyclopedia

Judging by the places that have folklore around it, it seems to be well-known as a concept in many climates, but then again it is probably not that common enough all over the year I've guessing.

Many times when it rains, the sky is simply dark, either the "overcast drizzle" type or the "sudden darkening of a quick convective thunderstorm" type.

But what places/climates is this phenomenon more likely? What features or geographical characteristics make "sun showers" more probable or unlikely.

I'm guessing it might be hard to get an estimate because it implies duration of time when it is both sunny and rainy, recorded at the same time.
I spent part of my childhood in tropical Philippines and the weather you just described was surprisingly quite common in the city where we used to live - Legazpi - here's the climate data:

Legazpi, Albay - Wikipedia, the free encyclopedia

I say surprising because given the amount of rainfall this city gets its amazing it gets much sunshine at all. In fact, as I suggested in another post, for many tropical locations much of the rainfall between June and November is due to hurricanes. A single storm could easily drop a month's worth of rain, so rainfall charts could give the false impression of very cloudy climates. The rest of the month could be predominantly sunny or a mixture of sunny and showery/sunny as you described above. This was what I remembered in Legazpi. By the way, this type of showery-sunny weather very often resulted rainbows as well.
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Old 04-05-2012, 08:44 AM
 
Location: Texas
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You see it in Texas...you really see it a lot in Hawaii.
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