San Isidro in December

6.1out of 10

Possible, with caveats

Warm and comfortable: highs around 24°C. Very wet: about 29 rainy days.

24°CAvg high
20°CAvg low
29Rainy days (414 mm)
11:27 hDaylight
05:47Sunrise · 17:15 Sunset

Why this score

  • Warm and comfortable: highs around 24°C
  • Very wet: about 29 rainy days

What to wear and pack

  • T-shirts and light layers
  • Rain jacket or compact umbrella

How reliable is the forecast?

Rainfall in December is fairly consistent from year to year (2.9 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

24° 20° J 24° 20° F 25° 20° M 25° 21° A 24° 21° M 24° 21° J 24° 21° J 24° 21° A 24° 21° S 24° 20° O 24° 20° N 24° 20° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 24°C20°C210 mm 25– – 6.1
February 24°C20°C141 mm 22– – 6.1
March 25°C20°C138 mm 25– – 6.1
April 25°C21°C329 mm 29– – 6.1
May 24°C21°C726 mm 31– – 6.1
June 24°C21°C710 mm 30– – 6.1
July 24°C21°C834 mm 31– – 6.1
August 24°C21°C933 mm 31– – 6.1
September 24°C21°C808 mm 30– – 6.1
October 24°C20°C947 mm 31– – 6.1
November 24°C20°C930 mm 30– – 6.1
December 24°C20°C414 mm 29– – 6.1

Frequently asked questions

How hot is San Isidro in December?

Daytime highs average 24°C and nights about 20°C.

When is the best time to visit San Isidro?

The best months are January, February, March, April.