La Rioja weather by month & the best time to visit
Argentina · regional city · semi-arid climate
The best time to visit La Rioja is July — its sunniest month (Sunshine Score 98/100), with August and June close behind. La Rioja averages about 3,246 hours of sunshine a year. Daytime highs around 20°C / 68°F and roughly 4 mm of rain in July.
When is the best time to visit La Rioja?
For sunshine, the best time to visit La Rioja is July, then August and June. The dullest month is January (49/100, 91 mm of rain). The full month-by-month picture is in the table below.
How sunny is La Rioja?
La Rioja is one of the sunniest places on Earth: about 3,246 hours of sunshine a year. 49 Sunshine Score points separate July (98) from January (49), so the month you pick matters. It ranks #4 of 41 destinations in Argentina for annual sunshine, above the national median of 2,741 hours. Rain has a clear season: the wettest stretch, around January, carries about 56% of the annual 435 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 49 | 36° / 97°F | 23° / 73°F | 91 mm | 13 |
| February | 68 | 34° / 93°F | 22° / 72°F | 75 mm | 11 |
| March | 87 | 31° / 88°F | 19° / 66°F | 62 mm | 9 |
| April | 92 | 28° / 82°F | 16° / 61°F | 35 mm | 7 |
| May | 96 | 23° / 73°F | 11° / 52°F | 12 mm | 4 |
| June | 97 | 20° / 68°F | 8° / 46°F | 5 mm | 3 |
| July | 98 | 20° / 68°F | 7° / 45°F | 4 mm | 4 |
| August | 98 | 23° / 73°F | 9° / 48°F | 3 mm | 5 |
| September | 96 | 27° / 81°F | 12° / 54°F | 15 mm | 7 |
| October | 95 | 31° / 88°F | 16° / 61°F | 19 mm | 10 |
| November | 73 | 34° / 93°F | 20° / 68°F | 38 mm | 11 |
| December | 59 | 35° / 95°F | 22° / 72°F | 76 mm | 12 |
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La Rioja: questions and answers
What kind of destination is La Rioja?
La Rioja is a regional city in Argentina at 435 m elevation with a semi-arid climate.
How many hours of sunshine does La Rioja get a year?
La Rioja gets about 3,246 hours of sunshine a year, at its best around July.
When is the best time to visit La Rioja?
The sunniest time to visit La Rioja is July, when the Sunshine Score peaks at 98/100 (with August and June close behind). Expect daytime highs around 20°C / 68°F.
What is the least sunny month in La Rioja?
January is the least sunny month in La Rioja, scoring 49/100 with about 91 mm of rain.
How strong is the sun in La Rioja?
The typical midday UV index in La Rioja peaks around 13 (extreme) in January, easing to about 3 (moderate) in June. Month-by-month midday UV values are in the UV column of the table on this page.
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