Riobamba Weather in December
In Riobamba, December brings moderate daytime temperatures around 15°C (59°F), with nights cooling to 5°C (41°F). This month falls within the rainy season, so expect frequent rainfall.
Rainfall in Riobamba in December
Riobamba is in the rainy season in December, with rain on around 11 days and an average of 206 mm (8.1 in). The rain this month falls heavily when it arrives, so waterproofs are worth keeping handy.
Temperature in Riobamba in December
If you're visiting Riobamba in December, expect highs of 15°C (59°F) and overnight lows around 5°C (41°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. With overnight lows of 5°C (41°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in Riobamba in December
This month sees fewer sunny days, with about 90 hours of sunshine, perfect for those who enjoy cooler temperatures.Our weather planner can help you find worldwide destinations with pleasant weather during this period. August typically offers the best weather for Riobamba.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Ecuador, check out our Riobamba's climate page.
Riobamba Temperature in December
Min Temperature
5°C (41°F)
Max Temperature
15°C (59°F)
Chance of Rain
37%
Precipitation
206 mm (8.1 in)
Rainy days
11 days
Humidity
88% *
Sunshine
90 hours *
Percentage Sunshine
*
Historical weather for Riobamba in December
Browse day-by-day weather records for Riobamba spanning 48 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Riobamba historical weather extremes in December
Based on 19 years of weather observations in Riobamba between 2006 and 2025, these are the recorded extremes.
- On December 8, 2019, temperatures climbed to 31°C (88°F), marking the warmest December day on record.
- Riobamba experienced its chilliest December day on December 2, 2008, reaching only 9°C (48°F).
- Nighttime temperatures dropped to -1°C (30°F) on December 4, 2007, marking the coldest December night on record.
Best Places in Ecuador in December
Find out more about the weather in Ecuador and which places have the best travel conditions in this month. See all of Ecuador in December →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Riobamba in December
The weather can be unpredictable in December, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. Also bring a poncho, it will rain a lot! Waterproof everything you can. With limited sunshine expected, sunglasses aren't a priority for packing.What To Do in Riobamba in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Ecuador, check out our Riobamba's climate page.
Temperature Rainfall Sunshine Humidity
See the full Riobamba climate overview or explore weather in Ecuador.
