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December Weather in Morrison, Argentina

Last updated: August 22, 2025

In December, the average temperature in Morrison, Argentina is a pleasant 24°C (75°F). However, it can swing from a cooler 9°C (49°F) to a scorching 39°C (103°F). Expect about 72 mm (2.8 in) of precipitation over 8 days, contributing to an average humidity of 47%.

December Temperature in Morrison

In December in Morrison, the average temperature is 24°C (75°F). The maximum can reach 39°C (103°F), while the minimum can drop to as low as 9°C (49°F). It's advisable to pack both light clothing for the warm days and some warmer layers for the cooler nights when traveling during this time.

December Weather in Morrison: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Morrison, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Morrison, December typically has an average temperature of 24°C (75°F), with highs reaching up to 39°C (103°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec767470655852515560657275
Data source: Temperature data for Morrison generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Morrison

In Morrison in December, the precipitation amount is 72 mm (2.8 in) over the course of 8 days.

December Precipitation Trends in Morrison

The chart displays monthly precipitation patterns in Morrison, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Morrison, December typically receives around 72 mm (2.8 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec1206988955513132238688972
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Morrison

In Morrison in December, humidity is 47%. With an average temperature of 24°C (75°F), this humidity feels like a refreshing embrace, making outdoor activities enjoyable but also reminding travelers to stay hydrated and take breaks in the shade.

December Average Humidity in Morrison

This chart illustrates the average monthly humidity levels in Morrison, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Morrison is approximately 47%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec45%52%63%74%78%71%57%53%56%50%54%47%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Morrison

In Morrison in December, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Morrison, you can check here.

Maximum UV Index Levels in Morrison for December

The chart shows the monthly maximum UV Index (UVI) for Morrison in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Morrison typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141311854468111414
Data source: Morrison December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How December Weather in Morrison Compares to Other Months

Weather in Morrison varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Morrison, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Morrison, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (76°F)120 mm (4.7 inches)45%extreme
February Weather23°C (74°F)69 mm (2.7 inches)52%extreme
March Weather21°C (70°F)88 mm (3.5 inches)63%extreme
April Weather19°C (66°F)95 mm (3.8 inches)74%very high
May Weather14°C (58°F)55 mm (2.2 inches)78%moderate
June Weather11°C (52°F)13 mm (0.5 inches)71%moderate
July Weather10°C (51°F)13 mm (0.5 inches)57%moderate
August Weather13°C (55°F)21 mm (0.8 inches)53%high
September Weather16°C (61°F)38 mm (1.5 inches)56%very high
October Weather18°C (65°F)67 mm (2.7 inches)50%extreme
November Weather22°C (72°F)89 mm (3.5 inches)54%extreme
December Weather24°C (75°F)72 mm (2.8 inches)47%extreme

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