Arroyito in December

7.1out of 10

Possible, with caveats

Hot: daytime highs around 30°C. Frequent rain: about 10 rainy days.

30°CAvg high
19°CAvg low
10Rainy days (133 mm)
14:02 hDaylight
06:07Sunrise · 20:09 Sunset

Why this score

  • Hot: daytime highs around 30°C
  • Frequent rain: about 10 rainy days

What to wear and pack

  • Light, breathable clothing
  • Shorts or a light skirt
  • Rain jacket or compact umbrella
  • Sunscreen, sunglasses and a hat

How reliable is the forecast?

Rain in December varies a lot between years (±3.1 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

31° 20° J 29° 19° F 27° 17° M 24° 14° A 20° 11° M 17° 7° J 17° 6° J 20° 8° A 23° 11° S 25° 14° O 28° 16° N 30° 19° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 31°C20°C126 mm 10– – 7.0
February 29°C19°C122 mm 10– – 7.5
March 27°C17°C128 mm 10– – 7.6
April 24°C14°C85 mm 8– – 8.0
May 20°C11°C40 mm 5– – 8.1
June 17°C7°C21 mm 3– – 8.0
July 17°C6°C13 mm 3– – 8.0
August 20°C8°C26 mm 3– – 8.3
September 23°C11°C41 mm 5– – 8.4
October 25°C14°C102 mm 9– – 7.8
November 28°C16°C115 mm 9– – 7.7
December 30°C19°C133 mm 10– – 7.1

Frequently asked questions

How hot is Arroyito in December?

Daytime highs average 30°C and nights about 19°C.

When is the best time to visit Arroyito?

The best months are September, August, May, April.