nomadseason

December Weather in Longview, United States

Last updated: June 24, 2025

In December, the average temperature in Longview, United States hovers around 11°C (53°F). Expect a minimum temperature that can dip to -3°C (27°F) and a maximum soaring up to 29°C (84°F). During this month, precipitation is notable, averaging 120 mm (4.7 in) across approximately 9 days. Additionally, the average humidity sits at a cozy 88%, making it a unique time of year in this locale.

December Temperature in Longview

In December in Longview, the average temperature is 11°C (53°F). The maximum can reach 29°C (84°F) and the minimum can be as low as -3°C (27°F). This variation makes it essential for travelers to pack accordingly and be prepared for both warm and chilly weather conditions.

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

The chart illustrates December temperature patterns in Longview, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Longview, December typically has an average temperature of 11°C (53°F), with highs reaching up to 29°C (84°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec485161657481848479685752
Data source: Temperature data for Longview generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Longview

In Longview in December, the precipitation amount is 120 mm (4.7 in) over the course of 9 days.

December Precipitation Trends in Longview

The chart displays monthly precipitation patterns in Longview, 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 Longview, December typically receives around 120 mm (4.7 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec1051511291591541128475969658120
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Longview

In Longview in December humidity is 88%. With an average temperature of 11°C (53°F), this humidity feels like a heavy blanket wrapping around you, making travel feel sluggish and uncomfortable as you navigate the damp air.

December Average Humidity in Longview

This chart illustrates the average monthly humidity levels in Longview, 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 Longview is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%78%79%81%77%72%65%63%70%82%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Longview

In Longview in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Longview for better planning.

Maximum UV Index Levels in Longview for December

The chart shows the monthly maximum UV Index (UVI) for Longview 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 Longview typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec478101112111110864
Data source: Longview 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 Longview Compares to Other Months

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

This table compares monthly weather conditions in Longview, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (48°F)105 mm (4.1 inches)82%moderate
February Weather10°C (51°F)150 mm (5.9 inches)80%high
March Weather16°C (61°F)128 mm (5.1 inches)78%very high
April Weather18°C (65°F)159 mm (6.2 inches)79%very high
May Weather23°C (74°F)154 mm (6.1 inches)81%extreme
June Weather27°C (81°F)112 mm (4.4 inches)77%extreme
July Weather29°C (84°F)84 mm (3.3 inches)72%extreme
August Weather29°C (84°F)75 mm (3.0 inches)65%extreme
September Weather26°C (79°F)96 mm (3.8 inches)63%very high
October Weather20°C (69°F)96 mm (3.8 inches)70%very high
November Weather14°C (57°F)58 mm (2.3 inches)82%high
December Weather11°C (53°F)120 mm (4.7 inches)88%moderate

Compare Longview's Climate with Cities Worldwide