December weather forecastSan Cristobal, Ecuador
December
Weather in December
With the arrival of December, San Cristobal witnesses a gradual increase in rainfall to 6mm (0.24"), indicating the onset of the wet season. However, the rise in humidity from 85% to 87% does not affect the city's pleasant weather conditions with a constant average visibility of 10km (6.2mi). The cooler sea temperature of 23.4°C (74.1°F) and consistent daylight of 12.2 hours adds to the city's relaxing and refreshing atmosphere. The enjoyable December weather paints a fitting backdrop for end-of-the-year festivities in San Cristobal.Temperature
The arrival of December in San Cristobal coincides with an average high-temperature of a warm 23.3°C (73.9°F), indicating a minimal shift from November's 22.1°C (71.8°F). San Cristobal's December nights experience a subtle temperature dip to an average of 22.8°C (73°F).Humidity
In December, the average relative humidity is 87%.Rainfall
In San Cristobal, in December, during 7.7 rainfall days, 6mm (0.24") of precipitation is typically accumulated. Throughout the year, in San Cristobal, there are 85 rainfall days, and 165mm (6.5") of precipitation is accumulated.Sea temperature
In December, the average sea temperature in San Cristobal, Ecuador, is 23.4°C (74.1°F).Note: Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 23.4°C (74.1°F) water may be enjoyable. (FYI: The official water temperature required for the Olympic swimming competition is 25°C (77°F) to 28°C (82.4°F).)
Daylight
December has the longest days of the year, with an average of 12h and 12min of daylight.On the first day of December, sunrise is at 05:42 and sunset at 17:52. On the last day of the month, sunrise is at 05:56 and sunset at 18:06 -06.
Sunshine
The average sunshine in December in San Cristobal is 6h.UV index
The average daily maximum UV index in December in San Cristobal is 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The average daily UV index of 6 in December transforms into the following instructions:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Alert! The Sun's UV rays are heightened by the reflection of sand and water.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
San Cristobal, Ecuador
- Average high temperature in December: 23.3°C
The warmest month (with the highest average high temperature) is March (26.9°C).
The month with the lowest average high temperature is September (21.2°C).
- Average low temperature in December: 22.8°C
The month with the highest average low temperature is March (25.8°C).
The coldest month (with the lowest average low temperature) is September (20.5°C).
Average pressure in December
San Cristobal, Ecuador
- Average pressure in December: 1011.5mbar
The months with the highest atmospheric pressure are August and September (1012.8mbar).
The months with the lowest atmospheric pressure are February and March (1010.3mbar).
Average wind speed in December
San Cristobal, Ecuador
- Average wind speed in December: 17.4km/h
The windiest month (with the highest average wind speed) is July (19.4km/h).
The calmest month (with the lowest average wind speed) is March (10.2km/h).
Average humidity in December
San Cristobal, Ecuador
- Average humidity in December: 87%
The month with the highest relative humidity is September (88%).
The month with the lowest relative humidity is March (81%).
Average rainfall in December
San Cristobal, Ecuador
- Average rainfall in December: 6mm
The wettest month (with the highest rainfall) is February (44mm).
The driest month (with the least rainfall) is September (1mm).
Average rainfall days in December
San Cristobal, Ecuador
- Average rainfall days in December: 7.7 days
The month with the highest number of rainy days is February (14.9 days).
The month with the least rainy days is September (2.7 days).
Average sea temperature in December
San Cristobal, Ecuador
- Average sea temperature in December: 23.4°C
The best month for swimming (with the highest average sea temperature) is March (26.9°C).
The coldest month (with the lowest average sea temperature) is September (21.6°C).
Average daylight in December /
Average sunshine in December
San Cristobal, 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 6min).
- Average sunshine in December: 6h and 0min
The month with the most sunshine is April (Average sunshine: 9h and 42min).
The month with the least sunshine is September (Average sunshine: 4h and 18min).
Average sunshine days in December
San Cristobal, Ecuador
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is October (23.1 days).
The month with the least sunshine days is February (10.1 days).
Average UV index in December
San Cristobal, Ecuador
- Average UV index in December: 6
The months with the highest UV index are February, March and April (UV index 7).
The months with the lowest UV index are June, July, August, September and October (UV index 5).
Average cloud cover in December
San Cristobal, Ecuador
- Average cloud cover in December: 60
The month with the most cloud cover is September (Cloud cover 67).
The month with the least cloud cover is March (Cloud cover 30).
Average visibility in December
San Cristobal, Ecuador
- 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).
