December weather forecast
Lao Cai, Vietnam

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Weather in December

December concludes the weather calendar for Lao Cai, Vietnam with a return to cooler temperatures akin to January. Despite the chill, average daylight remains steady, gifting Lao Cai with ample sunlight. A rise in cloud coverage compared to November suggests a slight increase in relative humidity, yet, the month stays within the dry period receiving only 26mm (1.02") rain across 8 days. Wind speeds during this month are nearly the same as the highest annual wind speed. Moving ahead into January, the weather pattern is likely to remain similar, characterized by moderate temperatures and lower humidity.

Temperature

The commencement of December indicates a gentle shift in the average high-temperature, receding from November's moderately hot 24.5°C (76.1°F) to an agreeable 20.7°C (69.3°F). Lao Cai experiences an average low-temperature of 9.7°C (49.5°F) in the month of December.

Humidity

In December, the average relative humidity is 77%.

Rainfall

In December, the rain falls for 8 days. Throughout December, 26mm (1.02") of precipitation is accumulated. In Lao Cai, during the entire year, the rain falls for 188.3 days and collects up to 770mm (30.31") of precipitation.

Daylight

The month with the shortest days is December, with an average of 10h and 48min of daylight.
On the first day of the month, sunrise is at 06:26 and sunset at 17:18. On the last day of December, sunrise is at 06:42 and sunset at 17:30 +07.

Sunshine

The average sunshine in December is 6.4h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: During December, 4 as the daily maximum UV index converts into the following advice:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Opt for tightly woven and loose clothing to enhance protection from the Sun.

Frequently asked questions

What is the temperature in December in Lao Cai?

December temperatures vary between a high-temperature of 20.7°C (69.3°F) and a low-temperature of 9.7°C (49.5°F). In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, is calculated to be 37°C (98.6°F).

What is the average humidity in December?

In Lao Cai, the average relative humidity in December is 77%.

How many days does it rain in December?

In Lao Cai, in December, it is raining for 8 days, with typically 26mm (1.02") of accumulated precipitation.

What is the month with the shortest days?

The month with the shortest days in Lao Cai is December, with an average of 10h and 48min of daylight.

How many hours of daylight does Lao Cai have in December?

The average day length in December is 10h and 48min.

When is the sunrise / sunset in December in Lao Cai?

On the first day of December, sunrise is at 06:26 and sunset at 17:18. On the last day of the month, sunrise is at 06:42 and sunset at 17:30 +07.

How many hours of sunshine does Lao Cai have in December?

In December, the average sunshine duration is 6.4h.

What are the months with the lowest UV index?

January and December, with an average maximum UV index of 4, are months with the lowest UV index.

How high is the UV index in December?

In Lao Cai, the average daily maximum UV index in December is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Lao Cai, Vietnam

Average temperature in December - Lao Cai, Vietnam
  • Average high temperature in December: 20.7°C

The warmest month (with the highest average high temperature) is May (32.2°C).
The month with the lowest average high temperature is January (20.3°C).

  • Average low temperature in December: 9.7°C

The month with the highest average low temperature is June (21.5°C).
The coldest month (with the lowest average low temperature) is January (9.3°C).

Average pressure in December
Lao Cai, Vietnam

Average pressure in December - Lao Cai, Vietnam
  • Average pressure in December: 1018.4mbar

The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is June (1005.1mbar).

Average wind speed in December
Lao Cai, Vietnam

Average wind speed in December - Lao Cai, Vietnam
  • Average wind speed in December: 4.2km/h

The windiest month (with the highest average wind speed) is March (5.2km/h).
The calmest months (with the lowest average wind speed) are August and September (3.5km/h).

Average humidity in December
Lao Cai, Vietnam

Average humidity in December - Lao Cai, Vietnam
  • Average humidity in December: 77%

The months with the highest relative humidity are July, October and November (78%).
The month with the lowest relative humidity is March (60%).

Average rainfall in December
Lao Cai, Vietnam

Average rainfall in December - Lao Cai, Vietnam
  • Average rainfall in December: 26mm

The wettest month (with the highest rainfall) is August (169mm).
The driest month (with the least rainfall) is February (8mm).

Average rainfall days in December
Lao Cai, Vietnam

Average rainfall days in December - Lao Cai, Vietnam
  • Average rainfall days in December: 8 days

The month with the highest number of rainy days is July (27.7 days).
The month with the least rainy days is February (4.7 days).

Average daylight in December /
Average sunshine in December
Lao Cai, Vietnam

Average daylight in December / Average sunshine in December - Lao Cai, Vietnam
  • Average daylight in December: 10h and 5min

The month with the longest days is June (Average daylight: 13h and 30min).
The month with the shortest days is December (Average daylight: 10h and 48min).

  • Average sunshine in December: 6h and 2min

The month with the most sunshine is April (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 6h and 12min).

Average sunshine days in December
Lao Cai, Vietnam

Average sunshine days in December - Lao Cai, Vietnam
  • Average sunshine days in December: 20.2 days

The month with the most sunshine days is February (20.8 days).
The month with the least sunshine days is July (1.7 days).

Average UV index in December
Lao Cai, Vietnam

Average UV index in December - Lao Cai, Vietnam
  • Average UV index in December: 4

The months with the highest UV index are March, April, May, June, July, August and September (UV index 6).
The months with the lowest UV index are January and December (UV index 4).

Average cloud cover in December
Lao Cai, Vietnam

Average cloud cover in December - Lao Cai, Vietnam
  • Average cloud cover in December: 42

The month with the most cloud cover is October (Cloud cover 50).
The month with the least cloud cover is March (Cloud cover 25).

Average visibility in December
Lao Cai, Vietnam

Average visibility in December - Lao Cai, Vietnam
  • Average visibility in December: 8km

The month with the highest visibility is March (10km).
The month with the lowest visibility is November (7km).

Lao Cai, Vietnam

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