December weather forecast
Lima, Peru

Amazing waterfront and the Costa Verde highway line just outside Lima, Peru
Amazing waterfront and the Costa Verde highway line just outside Lima, Peru

Weather in December

December, the first month of the summer in Lima, is a moderately hot month, with an average temperature ranging between max 23.1°C (73.6°F) and min 18.5°C (65.3°F).

Temperature

In Lima, the average high-temperature in December is almost the same as in November - a warm 23.1°C (73.6°F). The average low-temperature, in Lima, is 18.5°C (65.3°F).

Humidity

December is the most humid month in Lima, Peru, with an average relative humidity of 79%.

Rainfall

In Lima, it is raining for 1.3 days, with typically 1mm (0.04") of accumulated precipitation. Throughout the year, there are 22.6 rainfall days, and 18mm (0.71") of precipitation is accumulated.

Sea temperature

In December, the average sea temperature in Lima is 19.3°C (66.7°F).
Note: For most, swimming in 19.3°C (66.7°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

Daylight

With an average of 12h and 49min of daylight, December has the longest days of the year in Lima.
On the first day of December in Lima, sunrise is at 05:33 and sunset at 18:20. On the last day of the month, sunrise is at 05:46 and sunset at 18:35 -05.

Sunshine

The average sunshine in December in Lima is 11.2h.

UV index

The months with the highest UV index in Lima are January through April, November and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The daily maximum UV index of 6 in December interpret into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in December in Lima?

In Lima, Peru, in December, the average high-temperature is 23.1°C (73.6°F), and the average low-temperature is 18.5°C (65.3°F).

What is the most humid month in Lima?

The most humid month in Lima, Peru, is December, with an average relative humidity of 79%.

What is the average humidity in December in Lima?

In Lima, Peru, the average relative humidity in December is 79%.

How many days does it rain in December in Lima?

In Lima, in December, it is raining for 1.3 days, with typically 1mm (0.04") of accumulated precipitation.

How cold is the water in December in Lima?

In Lima, Peru, in December, the average water temperature is 19.3°C (66.7°F). For swimming, a surface water temperature of 19.3°C (66.7°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

When are the longest days in Lima?

With an average of 12h and 49min of daylight, December has the longest days of the year in Lima.

What is the average length of the day in December in Lima?

In Lima, the average day length in December is 12h and 49min.

What time are sunrise and sunset in December in Lima?

On the first day of December in Lima, Peru, sunrise is at 05:33 and sunset at 18:20. On the last day of the month, sunrise is at 05:46 and sunset at 18:35 -05.

How long on average sun shines in December in Lima?

The average sunshine duration in December is 11.2h.

When is the highest UV index in Lima?

January through April, November and December, with an average maximum UV index of 6, are months with the highest UV index in Lima, Peru.

How high is the UV index in December in Lima?

In Lima, Peru, the average daily maximum UV index in December is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation.

Average temperature in December
Lima, Peru

Average temperature in December - Lima, Peru
  • Average high temperature in December: 23.1°C

The warmest month (with the highest average high temperature) is February (25.4°C).
The month with the lowest average high temperature is August (20°C).

  • Average low temperature in December: 18.5°C

The month with the highest average low temperature is February (21.4°C).
The coldest month (with the lowest average low temperature) is August (14.9°C).

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Average pressure in December
Lima, Peru

Average pressure in December - Lima, Peru
  • Average pressure in December: 1014.4mbar

The month with the highest atmospheric pressure is August (1016.4mbar).
The month with the lowest atmospheric pressure is February (1013.8mbar).

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Average wind speed in December
Lima, Peru

Average wind speed in December - Lima, Peru
  • Average wind speed in December: 12km/h

The windiest month (with the highest average wind speed) is September (13.1km/h).
The calmest month (with the lowest average wind speed) is February (10.4km/h).

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Average humidity in December
Lima, Peru

Average humidity in December - Lima, Peru
  • Average humidity in December: 79%

The month with the highest relative humidity is December (79%).
The months with the lowest relative humidity are August and September (75%).

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Average rainfall in December
Lima, Peru

Average rainfall in December - Lima, Peru
  • Average rainfall in December: 1mm

The wettest month (with the highest rainfall) is February (4mm).
The driest month (with the least rainfall) is May (0mm).

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Average rainfall days in December
Lima, Peru

Average rainfall days in December - Lima, Peru
  • Average rainfall days in December: 1.3 days

The month with the highest number of rainy days is March (5.7 days).
The month with the least rainy days is November (0.2 days).

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Average sea temperature in December
Lima, Peru

Average sea temperature in December - Lima, Peru
  • Average sea temperature in December: 19.3°C

The best month for swimming (with the highest average sea temperature) is March (20.9°C).
The coldest month (with the lowest average sea temperature) is September (15.8°C).

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Average daylight in December /
Average sunshine in December
Lima, Peru

Average daylight in December / Average sunshine in December - Lima, Peru
  • Average daylight in December: 12h and 49min

The month with the longest days is December (Average daylight: 12h and 49min).
The month with the shortest days is June (Average daylight: 11h and 26min).

  • Average sunshine in December: 11h and 12min

The month with the most sunshine is October (Average sunshine: 12h and 0min).
The month with the least sunshine is June (Average sunshine: 7h and 24min).

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Average sunshine days in December
Lima, Peru

Average sunshine days in December - Lima, Peru
  • Average sunshine days in December: 29 days

The months with the most sunshine days are August and October (30 days).
The month with the least sunshine days is February (21.1 days).

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Average UV index in December
Lima, Peru

Average UV index in December - Lima, Peru
  • Average UV index in December: 6

The months with the highest UV index are January, February, March, April, November and December (UV index 6).
The months with the lowest UV index are May, June, July, August, September and October (UV index 5).

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Average cloud cover in December
Lima, Peru

Average cloud cover in December - Lima, Peru
  • Average cloud cover in December: 29

The month with the most cloud cover is January (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 9).

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Average visibility in December
Lima, Peru

Average visibility in December - Lima, Peru
  • Average visibility in December: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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