December Weather in Lake Nacimiento, United States

Last updated: June 24, 2025

In December, the average temperature in Lake Nacimiento, United States hovers around 11°C (52°F), with a potential range from a brisk 1°C (35°F) to a pleasant 25°C (77°F). Be prepared for some rain, as you'll encounter about 72 mm (2.8 in) of precipitation over 6 days. Additionally, the air carries a typical humidity level of 76%, making it a month of refreshing yet mildly damp conditions.

December Temperature in Lake Nacimiento

In December in Lake Nacimiento, the average temperature is 11°C (52°F). The maximum can reach 25°C (77°F), while the minimum can drop to as low as 1°C (35°F). This variation makes Lake Nacimiento an appealing destination for travelers seeking to experience a range of weather conditions.

December Weather in Lake Nacimiento: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Lake Nacimiento, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lake Nacimiento, December typically has an average temperature of 11°C (52°F), with highs reaching up to 25°C (77°F) and lows dropping to around 1°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec525254596268707170655752
Data source: Temperature data for Lake Nacimiento 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 Lake Nacimiento

In Lake Nacimiento in December, the total precipitation amount is 72 mm (2.8 in) over the course of 6 days.

December Precipitation Trends in Lake Nacimiento

The chart displays monthly precipitation patterns in Lake Nacimiento, 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 Lake Nacimiento, December typically receives around 72 mm (2.8 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec114788624110000102972
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Lake Nacimiento

In Lake Nacimiento in December, humidity is 76%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that can make outdoor exploration feel uncomfortable and heavy, often leaving travelers longing for a warm café to escape the cool, moist air.

December Average Humidity in Lake Nacimiento

This chart illustrates the average monthly humidity levels in Lake Nacimiento, 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 Lake Nacimiento is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%83%80%76%75%74%75%72%70%70%74%77%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Lake Nacimiento

In Lake Nacimiento in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Lake Nacimiento, you can check the information here.

Maximum UV Index Levels in Lake Nacimiento for December

The chart shows the monthly maximum UV Index (UVI) for Lake Nacimiento 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 Lake Nacimiento typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec4589111211119753
Data source: Lake Nacimiento 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 Lake Nacimiento Compares to Other Months

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

This table compares monthly weather conditions in Lake Nacimiento, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)114 mm (4.5 inches)80%moderate
February Weather11°C (52°F)78 mm (3.1 inches)83%moderate
March Weather12°C (54°F)86 mm (3.4 inches)80%very high
April Weather15°C (59°F)24 mm (0.9 inches)76%very high
May Weather17°C (63°F)11 mm (0.4 inches)75%extreme
June Weather20°C (68°F)0 mm (0.0 inches)74%extreme
July Weather21°C (71°F)0 mm (0.0 inches)75%extreme
August Weather22°C (71°F)0 mm (0.0 inches)72%extreme
September Weather21°C (70°F)0 mm (0.0 inches)70%very high
October Weather18°C (65°F)10 mm (0.4 inches)70%high
November Weather14°C (58°F)29 mm (1.2 inches)74%moderate
December Weather11°C (52°F)72 mm (2.8 inches)76%moderate

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