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 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
December witnesses a minor rise in the average high-temperature, transitioning from a pleasant 22°C (71.6°F) in November to a moderately hot 25.2°C (77.4°F). San Ramon throughout December, experiences an average nighttime temperature of 17.8°C (64°F).Humidity
The average relative humidity in December is 68%.Rainfall
In December, the rain falls for 9.9 days. Throughout December, 62mm (2.44") of precipitation is accumulated. In San Ramon, during the entire year, the rain falls for 122.1 days and collects up to 681mm (26.81") of precipitation.Daylight
December has the longest days of the year, with an average of 14h and 24min of daylight.On the first day of the month, sunrise is at 05:24 and sunset at 19:41. On the last day of December, sunrise is at 05:34 and sunset at 19:59 -03.
Sunshine
January and December, with an average of 10.9h of sunshine, are months with the most sunshine.UV index
January through March and December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for average individuals.Note: A typical high UV index of 6 in December suggests the following recommendations:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What is the average humidity in December?
How many days does it rain in December?
When are the longest days in San Ramon?
How many hours of daylight does San Ramon have in December?
When is the sunrise / sunset in December?
What are the months with the most sunshine in San Ramon?
How long on average sun shines in December?
When is the highest UV index?
How high is the UV index in December?
Average temperature in December
San Ramon, Uruguay
- Average high temperature in December: 25.2°C
The warmest month (with the highest average high temperature) is January (27.2°C).
The month with the lowest average high temperature is July (13.3°C).
- Average low temperature in December: 17.8°C
The month with the highest average low temperature is January (20°C).
The coldest month (with the lowest average low temperature) is July (8.8°C).
Average pressure in December
San Ramon, Uruguay
- Average pressure in December: 1011.2mbar
The month with the highest atmospheric pressure is July (1018.8mbar).
The month with the lowest atmospheric pressure is December (1011.2mbar).
Average wind speed in December
San Ramon, Uruguay
- Average wind speed in December: 17.4km/h
The windiest month (with the highest average wind speed) is September (19.6km/h).
The calmest month (with the lowest average wind speed) is May (17.2km/h).
Average humidity in December
San Ramon, Uruguay
- Average humidity in December: 68%
The months with the highest relative humidity are July and September (79%).
The month with the lowest relative humidity is January (65%).
Average rainfall in December
San Ramon, Uruguay
- Average rainfall in December: 62mm
The wettest month (with the highest rainfall) is July (71mm).
The driest month (with the least rainfall) is January (42mm).
Average rainfall days in December
San Ramon, Uruguay
- Average rainfall days in December: 9.9 days
The month with the highest number of rainy days is July (11.7 days).
The month with the least rainy days is January (8.4 days).
Average daylight in December /
Average sunshine in December
San Ramon, Uruguay
- Average daylight in December: 14h and 2min
The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).
- Average sunshine in December: 10h and 5min
The months with the most sunshine are January and December (Average sunshine: 10h and 54min).
The month with the least sunshine is July (Average sunshine: 5h and 30min).
Average sunshine days in December
San Ramon, Uruguay
- Average sunshine days in December: 19.5 days
The month with the most sunshine days is January (21.4 days).
The month with the least sunshine days is September (16.5 days).
Average UV index in December
San Ramon, Uruguay
- Average UV index in December: 6
The months with the highest UV index are January, February, March and December (UV index 6).
The month with the lowest UV index is July (UV index 3).
Average cloud cover in December
San Ramon, Uruguay
- Average cloud cover in December: 22
The month with the most cloud cover is July (Cloud cover 41).
The month with the least cloud cover is January (Cloud cover 20).
Average visibility in December
San Ramon, Uruguay
- 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).
