December weather forecastUyuni, Bolivia
December
Weather in December
December, the door to the rainy season, encounters a further rise in rainfall to 63mm (2.48"). A slight dip in average high temperature to 19.2°C (66.6°F) introduces a subtle chill in the air. Daylight hours increase to their peak, ensuing an extended period of exploration under the sun. Despite being the season of showers, sunshine days are commendably high, ensuring minimal disruptions. The promise of a pleasant weather in Uyuni establishes December as an amiable month for vacationing.Temperature
Uyuni, Bolivia, starts December with an average high-temperature of a still refreshing 19.2°C (66.6°F), hinting at a minimal fluctuation from November. During December, the average low-temperature is a frosty 9.3°C (48.7°F).Humidity
In Uyuni, the average relative humidity in December is 37%.Rainfall
In December, the rain falls for 16.3 days. Throughout December, 63mm (2.48") of precipitation is accumulated. In Uyuni, during the entire year, the rain falls for 92.6 days and collects up to 342mm (13.46") of precipitation.Snowfall
January through April, June, October through December are months without snowfall.Daylight
With an average of 13h and 24min of daylight, December has the longest days of the year.On the first day of the month, sunrise is at 05:38 and sunset at 18:55. On the last day of December, sunrise is at 05:50 and sunset at 19:11 -04.
Sunshine
In December, the average sunshine is 11.8h.UV index
January through March, September through December, with an average maximum UV index of 4, are months with the highest UV index in Uyuni. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: In December, the UV index of 4 transforms into the following advice:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Uyuni, Bolivia
- Average high temperature in December: 19.2°C
The warmest month (with the highest average high temperature) is November (19.5°C).
The month with the lowest average high temperature is July (10.8°C).
- Average low temperature in December: 9.3°C
The months with the highest average low temperature are February and December (9.3°C).
The coldest month (with the lowest average low temperature) is July (-1.1°C).
Average pressure in December
Uyuni, Bolivia
- Average pressure in December: 1012.1mbar
The month with the highest atmospheric pressure is June (1019.9mbar).
The month with the lowest atmospheric pressure is December (1012.1mbar).
Average wind speed in December
Uyuni, Bolivia
- Average wind speed in December: 14.2km/h
The windiest month (with the highest average wind speed) is September (15.4km/h).
The calmest month (with the lowest average wind speed) is April (11.9km/h).
Average humidity in December
Uyuni, Bolivia
- Average humidity in December: 37%
The month with the highest relative humidity is February (53%).
The month with the lowest relative humidity is October (24%).
Average rainfall in December
Uyuni, Bolivia
- Average rainfall in December: 63mm
The wettest month (with the highest rainfall) is January (105mm).
The driest month (with the least rainfall) is June (0mm).
Average rainfall days in December
Uyuni, Bolivia
- Average rainfall days in December: 16.3 days
The month with the highest number of rainy days is January (20.3 days).
The month with the least rainy days is June (0.3 days).
Average snowfall in December
Uyuni, Bolivia
- Average snowfall in December: 0mm
The month with the highest snowfall is July (15mm).
The months with the least snowfall are January, February, March, April, June, October, November and December (0mm).
Average snowfall days in December
Uyuni, Bolivia
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is July (0.4 days).
The months with the least snowfall days are January, February, March, April, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Uyuni, Bolivia
- Average daylight in December: 13h and 24min
The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 54min).
- Average sunshine in December: 11h and 48min
The month with the most sunshine is November (Average sunshine: 12h and 0min).
The month with the least sunshine is June (Average sunshine: 7h and 42min).
Average sunshine days in December
Uyuni, Bolivia
- Average sunshine days in December: 10.9 days
The month with the most sunshine days is August (30 days).
The month with the least sunshine days is February (4.6 days).
Average UV index in December
Uyuni, Bolivia
- Average UV index in December: 4
The months with the highest UV index are January, February, March, September, October, November and December (UV index 4).
The month with the lowest UV index is May (UV index 2).
Average cloud cover in December
Uyuni, Bolivia
- Average cloud cover in December: 16
The month with the most cloud cover is February (Cloud cover 23).
The months with the least cloud cover are June and August (Cloud cover 3).
Average visibility in December
Uyuni, Bolivia
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





