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
December
Weather in December
Temperature
In December, the average high-temperature marginally decreases from a moderately hot 24.2°C (75.6°F) in November to a pleasant 20.1°C (68.2°F). Recording a slight drop from the daily maximum, Cẩm Phả notes an average low temperature of 16.6°C (61.9°F) in the month of December.Humidity
The least humid month is December, with an average relative humidity of 73%.Rainfall
The month with the least rainfall is December, when the rain falls for 11.5 days and typically collects 25mm (0.98") of precipitation.Sea temperature
In December, the average sea temperature is 21.5°C (70.7°F).Note: Most people do not find swimming enjoyable in water of 21.5°C (70.7°F). The task of controlling breathing becomes tougher as the temperature drops from 21°C (69.8°F) to 15°C (59°F).
Daylight
December has the shortest days of the year, with an average of 10h and 54min of daylight.On the first day of December, sunrise is at 06:11 and sunset at 17:08. On the last day of the month, sunrise is at 06:27 and sunset at 17:20 +07.
Sunshine
The average sunshine in December is 4.5h.UV index
January and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 4 during December leads to these instructions:
Ensure safety - Imperative it is to shield skin and eyes from damage. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Take heed! Reflections of sand and water make the Sun's UV rays stronger.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What is the least humid month?
What is the average humidity in December?
What is the driest month?
How many days does it rain in December?
What is the sea temperature in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Cẩm Phả, Vietnam
- Average high temperature in December: 20.1°C
The warmest months (with the highest average high temperature) are July and August (30.2°C).
The month with the lowest average high temperature is January (18.5°C).
- Average low temperature in December: 16.6°C
The month with the highest average low temperature is July (27.4°C).
The coldest month (with the lowest average low temperature) is January (15.4°C).
Average pressure in December
Cẩm Phả, Vietnam
- Average pressure in December: 1018.8mbar
The month with the highest atmospheric pressure is January (1019.2mbar).
The month with the lowest atmospheric pressure is June (1002.8mbar).
Average wind speed in December
Cẩm Phả, Vietnam
- Average wind speed in December: 14km/h
The windiest month (with the highest average wind speed) is January (14.4km/h).
The calmest month (with the lowest average wind speed) is April (10.9km/h).
Average humidity in December
Cẩm Phả, Vietnam
- Average humidity in December: 73%
The month with the highest relative humidity is April (85%).
The month with the lowest relative humidity is December (73%).
Average rainfall in December
Cẩm Phả, Vietnam
- Average rainfall in December: 25mm
The wettest month (with the highest rainfall) is August (270mm).
The driest month (with the least rainfall) is December (25mm).
Average rainfall days in December
Cẩm Phả, Vietnam
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is July (26.5 days).
The month with the least rainy days is November (10.3 days).
Average sea temperature in December
Cẩm Phả, Vietnam
- Average sea temperature in December: 21.5°C
The best month for swimming (with the highest average sea temperature) is July (30.4°C).
The coldest months (with the lowest average sea temperature) are January and February (19.3°C).
Average daylight in December /
Average sunshine in December
Cẩm Phả, Vietnam
- Average daylight in December: 10h and 5min
The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 54min).
- Average sunshine in December: 4h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Cẩm Phả, Vietnam
- Average sunshine days in December: 16.4 days
The month with the most sunshine days is December (16.4 days).
The month with the least sunshine days is July (3.3 days).
Average UV index in December
Cẩm Phả, Vietnam
- Average UV index in December: 4
The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover in December
Cẩm Phả, Vietnam
- Average cloud cover in December: 53
The month with the most cloud cover is March (Cloud cover 66).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in December
Cẩm Phả, Vietnam
- Average visibility in December: 10km
The months with the highest visibility are June, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, July and August (9km).
