Gualeguaychú in December

7.7out of 10

Yes, a good time to go

Warm and comfortable: highs around 29°C. Frequent rain: about 9 rainy days.

29°CAvg high
18°CAvg low
9Rainy days (128 mm)
14:10 hDaylight
05:45Sunrise · 19:55 Sunset

Why this score

  • Warm and comfortable: highs around 29°C
  • Frequent rain: about 9 rainy days

What to wear and pack

  • T-shirts and light layers
  • Shorts or a light skirt
  • Rain jacket or compact umbrella
  • Sunscreen, sunglasses and a hat

How reliable is the forecast?

Rainfall in December is fairly consistent from year to year (2.8 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

31° 19° J 29° 19° F 27° 17° M 23° 14° A 20° 11° M 17° 8° J 16° 7° J 19° 8° A 20° 10° S 23° 13° O 27° 15° N 29° 18° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 31°C19°C110 mm 8– – 7.5
February 29°C19°C118 mm 8– – 7.8
March 27°C17°C121 mm 8– – 7.8
April 23°C14°C130 mm 8– – 7.8
May 20°C11°C80 mm 6– – 7.9
June 17°C8°C68 mm 7– – 7.4
July 16°C7°C63 mm 6– – 7.3
August 19°C8°C87 mm 7– – 7.6
September 20°C10°C87 mm 7– – 7.8
October 23°C13°C124 mm 10– – 7.6
November 27°C15°C104 mm 7– – 8.0
December 29°C18°C128 mm 9– – 7.7

Frequently asked questions

How hot is Gualeguaychú in December?

Daytime highs average 29°C and nights about 18°C.

When is the best time to visit Gualeguaychú?

The best months are November, May, February, March.