San Antonio Oeste weather by month & the best time to visit
Argentina · seaside town · semi-arid climate
The best time to visit San Antonio Oeste is December — its sunniest month (Sunshine Score 95/100), with January and November close behind. San Antonio Oeste averages about 3,150 hours of sunshine a year. Daytime highs around 25°C / 77°F and roughly 17 mm of rain in December.
When is the best time to visit San Antonio Oeste?
For sunshine, the best time to visit San Antonio Oeste is December, then January and November. The dullest month is July (23/100, 30 mm of rain). The full month-by-month picture is in the table below.
How sunny is San Antonio Oeste?
San Antonio Oeste is one of the sunniest places on Earth: about 3,150 hours of sunshine a year. 72 Sunshine Score points separate December (95) from July (23), so the month you pick matters. It ranks #6 of 41 destinations in Argentina for annual sunshine, above the national median of 2,741 hours. The year's 325 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 94 | 27° / 81°F | 17° / 63°F | 19 mm | 11 | 23° / 73°F |
| February | 92 | 26° / 79°F | 17° / 63°F | 31 mm | 9 | 23° / 73°F |
| March | 91 | 24° / 75°F | 15° / 59°F | 37 mm | 7 | 19° / 66°F |
| April | 84 | 19° / 66°F | 12° / 54°F | 35 mm | 4 | 16° / 61°F |
| May | 53 | 15° / 59°F | 8° / 46°F | 33 mm | 2 | 12° / 54°F |
| June | 31 | 12° / 54°F | 6° / 43°F | 27 mm | 1 | 11° / 52°F |
| July | 23 | 11° / 52°F | 5° / 41°F | 30 mm | 1 | 9° / 48°F |
| August | 39 | 13° / 55°F | 6° / 43°F | 25 mm | 2 | 10° / 50°F |
| September | 63 | 16° / 61°F | 7° / 45°F | 20 mm | 4 | 12° / 54°F |
| October | 84 | 19° / 66°F | 10° / 50°F | 31 mm | 6 | 15° / 59°F |
| November | 94 | 22° / 72°F | 13° / 55°F | 20 mm | 9 | 18° / 64°F |
| December | 95 | 25° / 77°F | 16° / 61°F | 17 mm | 10 | 20° / 68°F |
Sea temperature in San Antonio Oeste by month
The sea off San Antonio Oeste is warmest in January at around 23°C / 73°F, and coolest in July at 9°C / 48°F. The water sits at a comfortable 21°C or warmer roughly 2 months a year. Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
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San Antonio Oeste: questions and answers
What kind of destination is San Antonio Oeste?
San Antonio Oeste is a seaside town in Argentina with a semi-arid climate — the sea reaches 23°C at its warmest and is swimmable (21°C+) about 2 months a year.
How many hours of sunshine does San Antonio Oeste get a year?
San Antonio Oeste gets about 3,150 hours of sunshine a year, at its best around December.
When is the best time to visit San Antonio Oeste?
The sunniest time to visit San Antonio Oeste is December, when the Sunshine Score peaks at 95/100 (with January and November close behind). Expect daytime highs around 25°C / 77°F.
What is the least sunny month in San Antonio Oeste?
July is the least sunny month in San Antonio Oeste, scoring 23/100 with about 30 mm of rain.
What is the sea temperature in San Antonio Oeste?
The sea in San Antonio Oeste ranges from about 9°C (July) to 23°C (January). Month-by-month sea temperatures are on this page.
How strong is the sun in San Antonio Oeste?
The typical midday UV index in San Antonio Oeste peaks around 11 (extreme) in January, easing to about 1 (low) in June. Month-by-month midday UV values are in the UV column of the table on this page.
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