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
Weather in December
Temperature
San Ramon's average high-temperature in December is a warm 23.4°C (74.1°F), marking an insignificant difference from the 22.7°C (72.9°F) of November. December in San Ramon is noted for a mean low-temperature of 14°C (57.2°F).Humidity
In San Ramon, the average relative humidity in December is 84%.Rainfall
In San Ramon, during December, the rain falls for 19.5 days and regularly aggregates up to 65mm (2.56") of precipitation. Throughout the year, in San Ramon, Costa Rica, there are 287.8 rainfall days, and 2585mm (101.77") of precipitation is accumulated.Daylight
December has the shortest days of the year in San Ramon, Costa Rica, with an average of 11h and 30min of daylight.On the first day of December, sunrise is at 05:39 and sunset at 17:14. On the last day of the month, sunrise is at 05:54 and sunset at 17:27 CST.
Sunshine
In San Ramon, Costa Rica, the average sunshine in December is 7.8h.UV index
January through December, with an average maximum UV index of 5, are months with the highest UV index in San Ramon. The months with the lowest UV index in San Ramon, Costa Rica, are January through December, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 5 during December translates into the following recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Frequently asked questions
What are the temperatures in San Ramon in December?
What is the average humidity in December in San Ramon?
How many days does it rain in December in San Ramon?
What is the month with the shortest days in San Ramon?
How many hours of daylight does San Ramon have in December?
What time are sunrise and sunset in December in San Ramon?
How long on average sun shines in December in San Ramon?
What is the month with the highest UV index in San Ramon?
What is the month with the lowest UV index in San Ramon?
How high is the UV index in December in San Ramon?
Average temperature in December
San Ramon, Costa Rica
- Average high temperature in December: 23.4°C
The warmest month (with the highest average high temperature) is April (26°C).
The month with the lowest average high temperature is October (22.4°C).
- Average low temperature in December: 14°C
The month with the highest average low temperature is June (17°C).
The coldest month (with the lowest average low temperature) is January (13.8°C).
Average pressure in December
San Ramon, Costa Rica
- Average pressure in December: 1011.7mbar
The month with the highest atmospheric pressure is January (1012.3mbar).
The month with the lowest atmospheric pressure is October (1010.8mbar).
Average wind speed in December
San Ramon, Costa Rica
- Average wind speed in December: 9km/h
The windiest month (with the highest average wind speed) is February (10.7km/h).
The calmest month (with the lowest average wind speed) is September (4.3km/h).
Average humidity in December
San Ramon, Costa Rica
- Average humidity in December: 84%
The months with the highest relative humidity are September and October (91%).
The months with the lowest relative humidity are February and March (75%).
Average rainfall in December
San Ramon, Costa Rica
- Average rainfall in December: 65mm
The wettest month (with the highest rainfall) is October (438mm).
The driest month (with the least rainfall) is February (26mm).
Average rainfall days in December
San Ramon, Costa Rica
- Average rainfall days in December: 19.5 days
The month with the highest number of rainy days is October (30.5 days).
The month with the least rainy days is February (12.2 days).
Average daylight in December /
Average sunshine in December
San Ramon, Costa Rica
- Average daylight in December: 11h and 3min
The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 30min).
- Average sunshine in December: 7h and 5min
The month with the most sunshine is February (Average sunshine: 9h and 12min).
The month with the least sunshine is October (Average sunshine: 5h and 48min).
Average sunshine days in December
San Ramon, Costa Rica
- Average sunshine days in December: 9.1 days
The month with the most sunshine days is March (13.5 days).
The month with the least sunshine days is September (0.1 days).
Average UV index in December
San Ramon, Costa Rica
- Average UV index in December: 5
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 5).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 5).
Average cloud cover in December
San Ramon, Costa Rica
- Average cloud cover in December: 45
The month with the most cloud cover is October (Cloud cover 68).
The month with the least cloud cover is February (Cloud cover 30).
Average visibility in December
San Ramon, Costa Rica
- Average visibility in December: 8km
The months with the highest visibility are January, February and March (9km).
The months with the lowest visibility are August, September, October and November (6km).
San Ramon, Costa Rica
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