pompeii was destroyed by a volcano, so before it erupted ash started to snow down. It wasn't rain it was ash. I think it might have been hot.
because of the climate. Instead of having somedays rain, and some days sunny, they have sunny periods and rain periods (weeks of rain).
in sunny days
It's not an idiom. It means just what it says -- it's either going to rain that day, or it will be sunny.
No it will not rain Thursday, August 16.It will be sunny, in the 80's.
In the UK: if you do the rain dance then everyday you do the rain dance if you want it to be sunny do the sunshine dance
If the probability that it will rain is 0.25, then the probability that it is sunny is 0.75. The probability of it being sunny for five days, then is 0.755, or about 0.2373.
mostly sunny and sometimes rain
Rainbow
Aqueducts that lead to water fountains in the streets, rain water.
In Ancient Rome the weather was usually sunny and had an even amount of rain in the winter, sometimes with fogginess. Sometimes the gods sent violence to them, with storms, large waves, sometimes famine. Volcanic eruptions were very rare until Pompeii.
Sunny with even amount of rain!!