Climate and average weather in Piratini

Piratini gets about 1444 mm of precipitation a year. On a typical day the chance of rain is often wet, but that rises and falls sharply with the seasons.

The wetter season lasts 3.3 months, from around Dec 14 to Mar 22, peaking in February at about 47% chance on a given day. The drier stretch runs the rest of the year, bottoming out around May 31.

September is the wettest month by volume, with 145 mm over about 11 wet days; May is the driest, with 100 mm.

Over a full year, Piratini collects about 1444 mm of rain across 128 wet days — roughly 120 mm in an average month.

It doesn’t fall evenly. September is the wettest month with 145 mm, while May is the driest at just 100 mm. The three wettest months alone bring about 29% of the year’s total.

In Piratini, the average share of the sky covered by clouds shows moderate seasonal variation over the course of the year.

The clearer part of the year begins around February 26 and lasts for 2.3 months, ending around May 6. The clearest month is March, when the sky is clear, mostly clear, or partly cloudy 51% of the time on average.

The cloudier part of the year begins around August 27 and lasts for 2.5 months, ending around November 9. The cloudiest month is October, when it is overcast or mostly cloudy 62% of the time.

Piratini averages about 9 sunny days a month — counting the days the sky stays clear or mostly clear — with a clear seasonal swing between 7 and 12 days.

The sunnier stretch runs 2.5 months, from around Nov 4 to Jan 19. The sunniest month is November, with roughly 10 sunny days (mixed).

The greyest month is October, down near 8 sunny days — about 22% fewer than the November peak.

Humidity comfort is graded by the dew point — the temperature at which the air would be fully saturated — because it tracks how muggy it actually feels far better than relative humidity does. A low dew point feels dry and crisp; a high one feels sticky and oppressive no matter the reading on a humidity gauge.

In Piratini, how humid it feels changes dramatically over the year.

The more humid part of the year lasts 5.5 months, from around November 6 to April 21. The muggiest month is February, when the air feels humid, muggy or worse about 79% of the time.

The most comfortable stretch runs from around April 22 to November 5, and July is the most comfortable month — the air is dry or comfortable 95% of the time.

This is the average sustained wind speed at the standard 10 metres above open ground — the steady flow a weather station reports, not the sharper gusts that come and go, which can run half again as fast. It's the number that says whether a place is generally breezy or calm.

Wind in Piratini is steady company: average speeds sit near 13 km/h — light breeze — in every month of the year, with no meaningful windy or calm season.