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
Piriápolis experiences a recorded average high-temperature of a warm 23.4°C (74.1°F) in December, closely aligned with November's 20.5°C (68.9°F). In Piriápolis, the average low-temperature during the month of December is an enjoyable 18.1°C (64.6°F).Humidity
The average relative humidity in December is 72%.Rainfall
In Piriápolis, in December, it is raining for 11.1 days, with typically 70mm (2.76") of accumulated precipitation. Throughout the year, there are 136.9 rainfall days, and 714mm (28.11") of precipitation is accumulated.Sea temperature
In Piriápolis, in December, the average water temperature is 20.8°C (69.4°F).Note: Swimming in 20.8°C (69.4°F) is not pleasurable for most people. Breathing control grows increasingly challenging as the water temperature falls under 21°C (69.8°F).
Daylight
December has the longest days of the year, with an average of 14h and 30min of daylight.On the first day of the month, sunrise is at 05:20 and sunset at 19:40. On the last day of December, sunrise is at 05:30 and sunset at 19:58 -03.
Sunshine
In Piriápolis, the average sunshine in December is 10.6h.UV index
The months with the highest UV index in Piriápolis are January through March and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.Note: The average daily UV index of 6 in December transforms into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Piriápolis in December?
What is the average humidity in December?
How much does it rain in December?
What is the sea water temperature in December?
When are the longest days?
How many hours of daylight does Piriápolis have in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Piriápolis have in December?
When is the highest UV index?
What is the UV index reading in December?
Average temperature in December
Piriápolis, Uruguay
- Average high temperature in December: 23.4°C
The warmest month (with the highest average high temperature) is January (25.3°C).
The month with the lowest average high temperature is July (13.2°C).
- Average low temperature in December: 18.1°C
The month with the highest average low temperature is February (20.3°C).
The coldest month (with the lowest average low temperature) is July (9.7°C).
Average pressure in December
Piriápolis, Uruguay
- Average pressure in December: 1011.5mbar
The month with the highest atmospheric pressure is July (1018.9mbar).
The month with the lowest atmospheric pressure is December (1011.5mbar).
Average wind speed in December
Piriápolis, Uruguay
- Average wind speed in December: 19.7km/h
The windiest months (with the highest average wind speed) are June and September (21.3km/h).
The calmest month (with the lowest average wind speed) is May (19.1km/h).
Average humidity in December
Piriápolis, Uruguay
- Average humidity in December: 72%
The months with the highest relative humidity are July, August and September (79%).
The month with the lowest relative humidity is January (71%).
Average rainfall in December
Piriápolis, Uruguay
- Average rainfall in December: 70mm
The wettest month (with the highest rainfall) is July (74mm).
The driest month (with the least rainfall) is January (44mm).
Average rainfall days in December
Piriápolis, Uruguay
- Average rainfall days in December: 11.1 days
The month with the highest number of rainy days is March (14.3 days).
The months with the least rainy days are June, August and September (10.2 days).
Average sea temperature in December
Piriápolis, Uruguay
- Average sea temperature in December: 20.8°C
The best months for swimming (with the highest average sea temperature) are January and February (22.8°C).
The coldest month (with the lowest average sea temperature) is July (11.8°C).
Average daylight in December /
Average sunshine in December
Piriápolis, Uruguay
- Average daylight in December: 14h and 3min
The month with the longest days is December (Average daylight: 14h and 30min).
The month with the shortest days is June (Average daylight: 9h and 54min).
- Average sunshine in December: 10h and 4min
The month with the most sunshine is January (Average sunshine: 10h and 54min).
The month with the least sunshine is July (Average sunshine: 5h and 24min).
Average sunshine days in December
Piriápolis, Uruguay
- Average sunshine days in December: 17.4 days
The month with the most sunshine days is August (19.3 days).
The month with the least sunshine days is March (13.6 days).
Average UV index in December
Piriápolis, Uruguay
- Average UV index in December: 6
The months with the highest UV index are January, February, March and December (UV index 6).
The month with the lowest UV index is July (UV index 3).
Average cloud cover in December
Piriápolis, Uruguay
- Average cloud cover in December: 24
The month with the most cloud cover is July (Cloud cover 41).
The month with the least cloud cover is January (Cloud cover 22).
Average visibility in December
Piriápolis, Uruguay
- 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).
