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
As Santa Ana transitions into December, the average high-temperature stands at a still warm 25.1°C (77.2°F), offering little variation from the preceding month. An average nighttime temperature of 15.7°C (60.3°F) is recorded during December.Humidity
The average relative humidity in December in Santa Ana is 81%.Rainfall
In Santa Ana, in December, during 20.8 rainfall days, 61mm (2.4") of precipitation is typically accumulated. Throughout the year, there are 289.2 rainfall days, and 2603mm (102.48") of precipitation is accumulated.Daylight
December has the shortest days of the year, with an average of 11h and 36min of daylight.On the first day of December in Santa Ana, sunrise is at 05:38 and sunset at 17:13. On the last day of the month, sunrise is at 05:53 and sunset at 17:26 CST.
Sunshine
The average sunshine in December is 8.3h.UV index
January, February, May through December, with an average maximum UV index of 5, are months with the lowest UV index in Santa Ana. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: In December, a daily maximum UV index of 5 leads to the following instructions:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Frequently asked questions
What is the usual temperature for Santa Ana in December?
What is the average humidity in December in Santa Ana?
How much does it rain in Santa Ana in December?
What is the month with the shortest days in Santa Ana?
How many hours of daylight does Santa Ana have in December?
When are sunrise and sunset in December in Santa Ana?
How many hours of sunshine does Santa Ana have in December?
What is the month with the lowest UV index in Santa Ana?
What is the UV index intensity in December in Santa Ana?
Average temperature in December
Santa Ana, Costa Rica
- Average high temperature in December: 25.1°C
The warmest month (with the highest average high temperature) is April (28°C).
The month with the lowest average high temperature is October (23.7°C).
- Average low temperature in December: 15.7°C
The month with the highest average low temperature is May (18.5°C).
The coldest month (with the lowest average low temperature) is January (15.3°C).
Average pressure in December
Santa Ana, Costa Rica
- Average pressure in December: 1011.6mbar
The month with the highest atmospheric pressure is January (1012.2mbar).
The month with the lowest atmospheric pressure is October (1010.8mbar).
Average wind speed in December
Santa Ana, Costa Rica
- Average wind speed in December: 9.1km/h
The windiest month (with the highest average wind speed) is February (10.9km/h).
The calmest month (with the lowest average wind speed) is September (3.9km/h).
Average humidity in December
Santa Ana, Costa Rica
- Average humidity in December: 81%
The month with the highest relative humidity is October (90%).
The month with the lowest relative humidity is March (71%).
Average rainfall in December
Santa Ana, Costa Rica
- Average rainfall in December: 61mm
The wettest month (with the highest rainfall) is October (429mm).
The driest month (with the least rainfall) is February (24mm).
Average rainfall days in December
Santa Ana, Costa Rica
- Average rainfall days in December: 20.8 days
The month with the highest number of rainy days is October (30.5 days).
The month with the least rainy days is February (11.8 days).
Average daylight in December /
Average sunshine in December
Santa Ana, Costa Rica
- Average daylight in December: 11h and 4min
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 36min).
- Average sunshine in December: 8h and 2min
The month with the most sunshine is February (Average sunshine: 9h and 24min).
The month with the least sunshine is October (Average sunshine: 6h and 6min).
Average sunshine days in December
Santa Ana, Costa Rica
- Average sunshine days in December: 7.5 days
The month with the most sunshine days is February (13.1 days).
The month with the least sunshine days is July (0.3 days).
Average UV index in December
Santa Ana, Costa Rica
- Average UV index in December: 5
The months with the highest UV index are March and April (UV index 6).
The months with the lowest UV index are January, February, May, June, July, August, September, October, November and December (UV index 5).
Average cloud cover in December
Santa Ana, Costa Rica
- Average cloud cover in December: 38
The month with the most cloud cover is October (Cloud cover 63).
The month with the least cloud cover is February (Cloud cover 23).
Average visibility in December
Santa Ana, Costa Rica
- Average visibility in December: 8km
The months with the highest visibility are January, February, March and April (9km).
The months with the lowest visibility are September and October (6km).
Santa Ana, Costa Rica
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