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 sea temperature 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
With December's arrival, Dominical's weather records an average high-temperature of a moderately hot 23.8°C (74.8°F), marking little difference from November's 22.6°C (72.7°F). Dominical's nights in December experience an average temperature drop to a refreshing 15.8°C (60.4°F).Humidity
In December, the average relative humidity is 83%.Rainfall
In December, the rain falls for 19.6 days. Throughout December, 65mm (2.56") of precipitation is accumulated. Throughout the year, in Dominical, there are 294.6 rainfall days, and 2842mm (111.89") of precipitation is accumulated.Sea temperature
January, February, July, October through December, with an average sea temperature of 28°C (82.4°F), are months with the coldest seawater in Dominical.Note: Surface water temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are considered superb and highly pleasant for water activities over extended periods.
Daylight
The month with the shortest days is December, with an average of 11h and 36min of daylight.On the first day of December in Dominical, Costa Rica, sunrise is at 05:36 and sunset at 17:13. On the last day of the month, sunrise is at 05:50 and sunset at 17:26 CST.
Sunshine
In December, the average sunshine is 8.9h.UV index
The months with the lowest UV index in Dominical are January, February, May through December, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, an average UV index of 5 transforms into the following instructions:
Put precautions into practice - Guidance to elude sunburn is provided. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be mindful! Sand and water reflections can up the Sun's UV exposure.
Frequently asked questions
What are December temperatures in Dominical?
What is the average humidity in December in Dominical?
How much does it rain in Dominical in December?
What months are the sea coldest in Dominical?
What is the water temperature in December in Dominical?
What is the month with the shortest days in Dominical?
What is the average length of the day in December in Dominical?
When is the sunrise / sunset in December in Dominical?
How many hours of sunshine does Dominical have in December?
When is the lowest UV index in Dominical?
What is the UV index reading in December in Dominical?
Average temperature in December
Dominical, Costa Rica
- Average high temperature in December: 23.8°C
The warmest month (with the highest average high temperature) is March (26.2°C).
The month with the lowest average high temperature is October (22.2°C).
- Average low temperature in December: 15.8°C
The month with the highest average low temperature is May (17.4°C).
The coldest month (with the lowest average low temperature) is January (15.3°C).
Average pressure in December
Dominical, Costa Rica
- Average pressure in December: 1011.6mbar
The month with the highest atmospheric pressure is January (1012.1mbar).
The month with the lowest atmospheric pressure is October (1011mbar).
Average wind speed in December
Dominical, Costa Rica
- Average wind speed in December: 4.6km/h
The windiest month (with the highest average wind speed) is February (5.6km/h).
The calmest month (with the lowest average wind speed) is September (3.1km/h).
Average humidity in December
Dominical, Costa Rica
- Average humidity in December: 83%
The month with the highest relative humidity is October (91%).
The months with the lowest relative humidity are February and March (75%).
Average rainfall in December
Dominical, Costa Rica
- Average rainfall in December: 65mm
The wettest month (with the highest rainfall) is October (479mm).
The driest month (with the least rainfall) is February (20mm).
Average rainfall days in December
Dominical, Costa Rica
- Average rainfall days in December: 19.6 days
The month with the highest number of rainy days is August (30.9 days).
The month with the least rainy days is February (11.4 days).
Average sea temperature in December
Dominical, Costa Rica
- Average sea temperature in December: 28°C
The best months for swimming (with the highest average sea temperature) are March, April, May, June, August and September (29°C).
The coldest months (with the lowest average sea temperature) are January, February, July, October, November and December (28°C).
Average daylight in December /
Average sunshine in December
Dominical, 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 5min
The month with the most sunshine is February (Average sunshine: 9h and 36min).
The month with the least sunshine is October (Average sunshine: 6h and 24min).
Average sunshine days in December
Dominical, Costa Rica
- Average sunshine days in December: 8.7 days
The month with the most sunshine days is February (14.5 days).
The month with the least sunshine days is August (0 days).
Average UV index in December
Dominical, 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
Dominical, Costa Rica
- Average cloud cover in December: 34
The month with the most cloud cover is October (Cloud cover 59).
The month with the least cloud cover is February (Cloud cover 22).
Average visibility in December
Dominical, 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 September and October (7km).
Dominical, Costa Rica
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