December weather forecastRioja, Peru
December
Weather in December
The first month of the summer, December, is still a warm month in Rioja, Peru, with an average temperature ranging between min 17°C (62.6°F) and max 25°C (77°F).Temperature
The average high-temperature during December is a still moderately hot 25°C (77°F), almost matching the conditions of the preceding month. Rioja's average low-temperature in December is measured at an enjoyable 17°C (62.6°F).Humidity
In December, the average relative humidity is 82%.Rainfall
In Rioja, during December, the rain falls for 24.7 days and regularly aggregates up to 86mm (3.39") of precipitation. In Rioja, during the entire year, the rain falls for 306 days and collects up to 1140mm (44.88") of precipitation.Daylight
With an average of 12h and 30min of daylight, December has the longest days of the year in Rioja.On the first day of the month, sunrise is at 05:44 and sunset at 18:11. On the last day of December, in Rioja, sunrise is at 05:57 and sunset at 18:26 -05.
Sunshine
In December, the average sunshine is 9.3h.UV index
The months with the lowest UV index in Rioja are January through September and December, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: In December, the maximum UV index of 5 suggests these recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rioja, Peru
- Average high temperature in December: 25°C
The warmest month (with the highest average high temperature) is October (26.3°C).
The month with the lowest average high temperature is July (24°C).
- Average low temperature in December: 17°C
The month with the highest average low temperature is November (17.1°C).
The coldest month (with the lowest average low temperature) is July (14.1°C).
Average pressure in December
Rioja, Peru
- Average pressure in December: 1011.4mbar
The month with the highest atmospheric pressure is July (1015.8mbar).
The month with the lowest atmospheric pressure is November (1010.3mbar).
Average wind speed in December
Rioja, Peru
- Average wind speed in December: 5km/h
The windiest month (with the highest average wind speed) is December (5km/h).
The calmest month (with the lowest average wind speed) is May (4.1km/h).
Average humidity in December
Rioja, Peru
- Average humidity in December: 82%
The month with the highest relative humidity is March (86%).
The months with the lowest relative humidity are August and September (77%).
Average rainfall in December
Rioja, Peru
- Average rainfall in December: 86mm
The wettest month (with the highest rainfall) is March (127mm).
The driest month (with the least rainfall) is June (64mm).
Average rainfall days in December
Rioja, Peru
- Average rainfall days in December: 24.7 days
The month with the highest number of rainy days is March (28.9 days).
The month with the least rainy days is June (22.3 days).
Average daylight in December /
Average sunshine in December
Rioja, Peru
- Average daylight in December: 12h and 30min
The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 48min).
- Average sunshine in December: 9h and 18min
The month with the most sunshine is November (Average sunshine: 9h and 24min).
The month with the least sunshine is March (Average sunshine: 6h and 30min).
Average sunshine days in December
Rioja, Peru
- Average sunshine days in December: 5.6 days
The month with the most sunshine days is July (6.2 days).
The months with the least sunshine days are March and October (1.9 days).
Average UV index in December
Rioja, Peru
- Average UV index in December: 5
The months with the highest UV index are October and November (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September and December (UV index 5).
Average cloud cover in December
Rioja, Peru
- Average cloud cover in December: 51
The month with the most cloud cover is March (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 38).
Average visibility in December
Rioja, Peru
- Average visibility in December: 8km
The months with the highest visibility are August, September, October, November and December (8km).
The months with the lowest visibility are January, February, March, April, May, June and July (7km).





