December weather forecastRiobamba, Ecuador
December
Weather in December
Riobamba, Ecuador, concludes the year in a festive cloud of cooler temperatures and persisting rainfall. The snowfall retreats slightly from the November peak, recording 96mm (3.78") in December. The windy conditions from the past months have dissipated considerably, maintaining an average speed. The overcast sky conditions remain a constant throughout December, keeping the total hours of sunshine at a minimum. As the year concludes, a consistency in weather patterns is noticed, finishing the year in the familiar chill and high humidity it began with.Temperature
Riobamba's shift into December sets the average high-temperature at a cool 12.4°C (54.3°F), a figure that deviates only slightly from November's 13.6°C (56.5°F). Riobamba sees an average low-temperature of 5.6°C (42.1°F) during December.Humidity
The average relative humidity in December is 86%.Rainfall
In Riobamba, in December, during 29.9 rainfall days, 155mm (6.1") of precipitation is typically accumulated. In Riobamba, Ecuador, during the entire year, the rain falls for 327.5 days and collects up to 1706mm (67.17") of precipitation.Snowfall
Months with snowfall in Riobamba are January through December. In Riobamba, Ecuador, in December, snow falls for 4.5 days, with typically accumulated 96mm (3.78") of snow. In Riobamba, during the entire year, snow falls for 37.4 days and aggregates up to 694mm (27.32") of snow.Daylight
December has the longest days of the year in Riobamba, with an average of 12h and 12min of daylight.On the first day of the month, sunrise is at 05:57 and sunset at 18:10. On the last day of December, sunrise is at 06:11 and sunset at 18:24 -05.
Sunshine
In December, the average sunshine is 7.7h.UV index
February, April, July, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Stay sun-safe with clothing that is both closely woven and worn loosely. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Riobamba, Ecuador
- Average high temperature in December: 12.4°C
The warmest months (with the highest average high temperature) are October and November (13.6°C).
The month with the lowest average high temperature is July (11.8°C).
- Average low temperature in December: 5.6°C
The months with the highest average low temperature are February and March (6.4°C).
The coldest month (with the lowest average low temperature) is August (3.8°C).
Average pressure in December
Riobamba, Ecuador
- Average pressure in December: 1013.1mbar
The month with the highest atmospheric pressure is July (1015.7mbar).
The month with the lowest atmospheric pressure is November (1012.8mbar).
Average wind speed in December
Riobamba, Ecuador
- Average wind speed in December: 5.9km/h
The windiest months (with the highest average wind speed) are July and August (8.9km/h).
The calmest month (with the lowest average wind speed) is November (5.1km/h).
Average humidity in December
Riobamba, Ecuador
- Average humidity in December: 86%
The month with the highest relative humidity is April (88%).
The month with the lowest relative humidity is September (81%).
Average rainfall in December
Riobamba, Ecuador
- Average rainfall in December: 155mm
The wettest month (with the highest rainfall) is March (223mm).
The driest month (with the least rainfall) is August (46mm).
Average rainfall days in December
Riobamba, Ecuador
- Average rainfall days in December: 29.9 days
The month with the highest number of rainy days is March (30.8 days).
The month with the least rainy days is August (20.9 days).
Average snowfall in December
Riobamba, Ecuador
- Average snowfall in December: 96mm
The month with the highest snowfall is January (106mm).
The month with the least snowfall is September (18mm).
Average snowfall days in December
Riobamba, Ecuador
- Average snowfall days in December: 4.5 days
The month with the highest number of snowfall days is December (4.5 days).
The months with the least snowfall days are February, March and August (2.3 days).
Average daylight in December /
Average sunshine in December
Riobamba, Ecuador
- Average daylight in December: 12h and 12min
The month with the longest days is December (Average daylight: 12h and 12min).
The month with the shortest days is June (Average daylight: 12h and 0min).
- Average sunshine in December: 7h and 42min
The month with the most sunshine is October (Average sunshine: 9h and 30min).
The month with the least sunshine is April (Average sunshine: 6h and 36min).
Average sunshine days in December
Riobamba, Ecuador
- Average sunshine days in December: 0.3 days
The months with the most sunshine days are July and August (4.8 days).
The month with the least sunshine days is April (0 days).
Average UV index in December
Riobamba, Ecuador
- Average UV index in December: 2
The months with the highest UV index are January, March, May, June, August, September and October (UV index 3).
The months with the lowest UV index are February, April, July, November and December (UV index 2).
Average cloud cover in December
Riobamba, Ecuador
- Average cloud cover in December: 51
The month with the most cloud cover is April (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 36).
Average visibility in December
Riobamba, Ecuador
- Average visibility in December: 7km
The months with the highest visibility are August and September (9km).
The months with the lowest visibility are April, May and December (7km).
