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
Llano Brenes notes an average high-temperature of a still moderately hot 26.5°C (79.7°F) in December, hardly diverging from November. Llano Brenes's temperature drops to an average low of 17.2°C (63°F) during the nights of December.Humidity
The average relative humidity in December is 81%.Rainfall
In Llano Brenes, in December, it is raining for 18.3 days, with typically 46mm (1.81") of accumulated precipitation. Throughout the year, in Llano Brenes, there are 272 rainfall days, and 2217mm (87.28") of precipitation is accumulated.Daylight
With an average of 11h and 36min of daylight, December has the shortest days of the year in Llano Brenes, Costa Rica.On the first day of the month, sunrise is at 05:39 and sunset at 17:14. On the last day of December, in Llano Brenes, sunrise is at 05:54 and sunset at 17:27 CST.
Sunshine
In December, the average sunshine is 8.7h.UV index
The months with the highest UV index are January through April, June, July, September, October and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for average individuals.Note: The UV index of 6 during December translates into the following guidance:
Deter overexposure. Protecting against the sun's effects is essential. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in Llano Brenes?
What is the average humidity in December in Llano Brenes?
How much does it rain in Llano Brenes in December?
What is the month with the shortest days in Llano Brenes?
How many hours of daylight does Llano Brenes have in December?
When are sunrise and sunset in December in Llano Brenes?
How long on average sun shines in December in Llano Brenes?
What is the month with the highest UV index in Llano Brenes?
What is the UV index intensity in December in Llano Brenes?
Average temperature in December
Llano Brenes, Costa Rica
- Average high temperature in December: 26.5°C
The warmest months (with the highest average high temperature) are March and April (29.7°C).
The month with the lowest average high temperature is October (25.4°C).
- Average low temperature in December: 17.2°C
The month with the highest average low temperature is May (19.8°C).
The coldest month (with the lowest average low temperature) is January (16.8°C).
Average pressure in December
Llano Brenes, Costa Rica
- Average pressure in December: 1011.5mbar
The month with the highest atmospheric pressure is January (1012.1mbar).
The month with the lowest atmospheric pressure is October (1010.7mbar).
Average wind speed in December
Llano Brenes, Costa Rica
- Average wind speed in December: 8.7km/h
The windiest month (with the highest average wind speed) is February (10.6km/h).
The calmest month (with the lowest average wind speed) is September (3.8km/h).
Average humidity in December
Llano Brenes, Costa Rica
- Average humidity in December: 81%
The month with the highest relative humidity is October (89%).
The month with the lowest relative humidity is March (70%).
Average rainfall in December
Llano Brenes, Costa Rica
- Average rainfall in December: 46mm
The wettest month (with the highest rainfall) is October (396mm).
The driest month (with the least rainfall) is February (17mm).
Average rainfall days in December
Llano Brenes, Costa Rica
- Average rainfall days in December: 18.3 days
The month with the highest number of rainy days is October (30.2 days).
The month with the least rainy days is February (10.3 days).
Average daylight in December /
Average sunshine in December
Llano Brenes, 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 4min
The month with the most sunshine is March (Average sunshine: 9h and 24min).
The month with the least sunshine is October (Average sunshine: 7h and 0min).
Average sunshine days in December
Llano Brenes, Costa Rica
- Average sunshine days in December: 10.1 days
The month with the most sunshine days is January (16.7 days).
The month with the least sunshine days is September (0.5 days).
Average UV index in December
Llano Brenes, Costa Rica
- Average UV index in December: 6
The months with the highest UV index are January, February, March, April, June, July, September, October and December (UV index 6).
The months with the lowest UV index are May, August and November (UV index 5).
Average cloud cover in December
Llano Brenes, Costa Rica
- Average cloud cover in December: 33
The month with the most cloud cover is October (Cloud cover 54).
The month with the least cloud cover is February (Cloud cover 19).
Average visibility in December
Llano Brenes, Costa Rica
- Average visibility in December: 9km
The months with the highest visibility are February and March (10km).
The months with the lowest visibility are August, September, October and November (7km).
