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
Castro's shift into December sets the average high-temperature at a still moderate 15.6°C (60.1°F), a figure that deviates only slightly from November's 13.5°C (56.3°F). Castro, during the month of December, experiences an average low-temperature of 9.7°C (49.5°F).Humidity
In December, the average relative humidity in Castro is 81%.Rainfall
In December, in Castro, the rain falls for 17.2 days. Throughout December, 68mm (2.68") of precipitation is accumulated. Throughout the year, in Castro, there are 218 rainfall days, and 1005mm (39.57") of precipitation is accumulated.Daylight
December has the longest days of the year, with an average of 15h and 12min of daylight.On the first day of the month, sunrise is at 06:12 and sunset at 21:16. On the last day of December, in Castro, Chile, sunrise is at 06:21 and sunset at 21:35 -03.
Sunshine
In Castro, the average sunshine in December is 7.4h.UV index
January through March and December, with an average maximum UV index of 4, are months with the highest UV index in Castro. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum daily UV index of 4 during December morphs into the following directions:
Take precautions - Protection against sunburn is recommended. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Castro?
What is the average humidity in December in Castro?
How much does it rain in Castro in December?
When are the longest days in Castro?
What is the average length of the day in December in Castro?
What time are sunrise and sunset in December in Castro?
How long on average sun shines in December in Castro?
What are the months with the highest UV index in Castro?
How high is the UV index in December in Castro?
Average temperature in December
Castro, Chile
- Average high temperature in December: 15.6°C
The warmest months (with the highest average high temperature) are January and February (17.6°C).
The month with the lowest average high temperature is July (9.3°C).
- Average low temperature in December: 9.7°C
The months with the highest average low temperature are January and February (10.9°C).
The coldest month (with the lowest average low temperature) is July (5.6°C).
Average pressure in December
Castro, Chile
- Average pressure in December: 1015.9mbar
The month with the highest atmospheric pressure is September (1018.7mbar).
The month with the lowest atmospheric pressure is June (1015mbar).
Average wind speed in December
Castro, Chile
- Average wind speed in December: 14.8km/h
The windiest month (with the highest average wind speed) is August (17.8km/h).
The calmest month (with the lowest average wind speed) is March (12.8km/h).
Average humidity in December
Castro, Chile
- Average humidity in December: 81%
The months with the highest relative humidity are June and August (87%).
The month with the lowest relative humidity is January (79%).
Average rainfall in December
Castro, Chile
- Average rainfall in December: 68mm
The wettest month (with the highest rainfall) is May (126mm).
The driest month (with the least rainfall) is January (37mm).
Average rainfall days in December
Castro, Chile
- Average rainfall days in December: 17.2 days
The month with the highest number of rainy days is August (21.7 days).
The month with the least rainy days is February (13.6 days).
Average daylight in December /
Average sunshine in December
Castro, Chile
- Average daylight in December: 15h and 1min
The month with the longest days is December (Average daylight: 15h and 12min).
The month with the shortest days is June (Average daylight: 9h and 6min).
- Average sunshine in December: 7h and 2min
The month with the most sunshine is January (Average sunshine: 8h and 24min).
The month with the least sunshine is June (Average sunshine: 3h and 30min).
Average sunshine days in December
Castro, Chile
- Average sunshine days in December: 10 days
The month with the most sunshine days is January (12.1 days).
The month with the least sunshine days is August (7.2 days).
Average UV index in December
Castro, Chile
- Average UV index in December: 4
The months with the highest UV index are January, February, March and December (UV index 4).
The months with the lowest UV index are June, July and September (UV index 2).
Average cloud cover in December
Castro, Chile
- Average cloud cover in December: 55
The months with the most cloud cover are June and August (Cloud cover 64).
The month with the least cloud cover is January (Cloud cover 44).
Average visibility in December
Castro, Chile
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Castro, Chile
Weather forecast for your location
2. Allow the app to use your location