Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
As Sumaco transitions into December, the average high-temperature stands at a fresh 12.5°C (54.5°F), offering little variation from the preceding month. Throughout December, the average low-temperature records at a frosty 6°C (42.8°F).Humidity
In December, the average relative humidity is 91%.Rainfall
In Sumaco, in December, it is raining for 29.9 days, with typically 209mm (8.23") of accumulated precipitation. In Sumaco, during the entire year, the rain falls for 340.3 days and collects up to 2146mm (84.49") of precipitation.Snowfall
January, March through October and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.8 snowfall days, it receives 2mm (0.08") of snow. Throughout the year, there are 11.6 snowfall days, and 41mm (1.61") of snow is accumulated.Daylight
With an average of 12h and 12min of daylight, December has the longest days of the year.On the first day of December, sunrise is at 05:55 and sunset at 18:04. On the last day of the month, sunrise is at 06:09 and sunset at 18:18 -05.
Sunshine
The average sunshine in December is 5.4h.UV index
January through April, June through October and December, with an average maximum UV index of 3, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: In December, a regular UV index of 3 translates into these guidelines:
Heed the precautions - Suggestions to avoid sunburn are made. To protect against the Sun's most potent rays, avoid direct exposure around midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Sumaco in December?
What is the average humidity in December?
How many days does it rain in December?
When does it start to snow?
When are the longest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
When is the highest UV index?
What is the UV index intensity in December?
Average temperature in December
Sumaco, Ecuador
- Average high temperature in December: 12.5°C
The warmest month (with the highest average high temperature) is November (13.1°C).
The month with the lowest average high temperature is July (11.3°C).
- Average low temperature in December: 6°C
The month with the highest average low temperature is February (6.7°C).
The coldest months (with the lowest average low temperature) are July and August (4.3°C).
Average pressure in December
Sumaco, Ecuador
- Average pressure in December: 1013.2mbar
The month with the highest atmospheric pressure is July (1015.7mbar).
The month with the lowest atmospheric pressure is November (1012.7mbar).
Average wind speed in December
Sumaco, Ecuador
- Average wind speed in December: 4.8km/h
The windiest months (with the highest average wind speed) are July and August (7.3km/h).
The calmest months (with the lowest average wind speed) are February, March and November (4.3km/h).
Average humidity in December
Sumaco, Ecuador
- Average humidity in December: 91%
The months with the highest relative humidity are March and April (92%).
The month with the lowest relative humidity is September (84%).
Average rainfall in December
Sumaco, Ecuador
- Average rainfall in December: 209mm
The wettest month (with the highest rainfall) is March (279mm).
The driest month (with the least rainfall) is August (76mm).
Average rainfall days in December
Sumaco, Ecuador
- Average rainfall days in December: 29.9 days
The month with the highest number of rainy days is March (30.4 days).
The month with the least rainy days is September (24.2 days).
Average snowfall in December
Sumaco, Ecuador
- Average snowfall in December: 2mm
The months with the highest snowfall are May, June and July (7mm).
The months with the least snowfall are February and November (0mm).
Average snowfall days in December
Sumaco, Ecuador
- Average snowfall days in December: 0.8 days
The month with the highest number of snowfall days is June (2.2 days).
The month with the least snowfall days is February (0.1 days).
Average daylight in December /
Average sunshine in December
Sumaco, Ecuador
- Average daylight in December: 12h and 1min
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 6min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is September (Average sunshine: 7h and 18min).
The month with the least sunshine is April (Average sunshine: 4h and 36min).
Average sunshine days in December
Sumaco, Ecuador
- Average sunshine days in December: 0.5 days
The month with the most sunshine days is September (3.4 days).
The months with the least sunshine days are January, February and March (0.2 days).
Average UV index in December
Sumaco, Ecuador
- Average UV index in December: 3
The months with the highest UV index are January, February, March, April, June, July, August, September, October and December (UV index 3).
The months with the lowest UV index are May and November (UV index 2).
Average cloud cover in December
Sumaco, Ecuador
- Average cloud cover in December: 63
The month with the most cloud cover is April (Cloud cover 67).
The month with the least cloud cover is September (Cloud cover 45).
Average visibility in December
Sumaco, Ecuador
- Average visibility in December: 6km
The month with the highest visibility is September (8km).
The months with the lowest visibility are January, February, March, April, November and December (6km).
