nomadseason

December Weather in Tomball, United States

Last updated: June 24, 2025

In December, the average temperature in Tomball, United States hovers around 14°C (57°F), with a range that can dip as low as -2°C (29°F) and peak at 29°C (84°F). Expect 111 mm (4.4 in) of precipitation spread over 9 days, contributing to the area's average humidity of 84%—ideal for those who enjoy a moist climate!

December Temperature in Tomball

In December in Tomball, the average temperature is 14°C (57°F). The maximum can reach 29°C (84°F), while the minimum can dip to as low as -2°C (29°F). This diverse temperature range makes it essential for travelers to pack accordingly, ensuring comfort in both warm and cool conditions.

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

The chart illustrates December temperature patterns in Tomball, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tomball, December typically has an average temperature of 14°C (57°F), with highs reaching up to 29°C (84°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec545765697782838480726257
Data source: Temperature data for Tomball 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 Tomball

In Tomball in December, the precipitation amount is 111 mm (4.4 in) over the course of 9 days.

December Precipitation Trends in Tomball

The chart displays monthly precipitation patterns in Tomball, 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 Tomball, December typically receives around 111 mm (4.4 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec91103869019216012316816610473111
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Tomball

In Tomball in December, humidity is 84%. With an average temperature of 14°C (57°F), this humidity feels like a thick blanket wrapping around you, making outdoor activities feel stifling and requiring frequent breaks to cool off.

December Average Humidity in Tomball

This chart illustrates the average monthly humidity levels in Tomball, 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 Tomball is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%81%76%79%79%74%72%68%73%75%78%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Tomball

In Tomball in December, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Tomball.

Maximum UV Index Levels in Tomball for December

The chart shows the monthly maximum UV Index (UVI) for Tomball 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 Tomball typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111111111110965
Data source: Tomball 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 Tomball Compares to Other Months

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

This table compares monthly weather conditions in Tomball, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (54°F)91 mm (3.6 inches)78%moderate
February Weather14°C (57°F)103 mm (4.1 inches)81%very high
March Weather18°C (65°F)86 mm (3.4 inches)76%very high
April Weather21°C (70°F)90 mm (3.6 inches)79%extreme
May Weather25°C (77°F)192 mm (7.6 inches)79%extreme
June Weather28°C (82°F)160 mm (6.3 inches)74%extreme
July Weather29°C (84°F)123 mm (4.9 inches)71%extreme
August Weather29°C (84°F)168 mm (6.6 inches)68%extreme
September Weather26°C (80°F)166 mm (6.5 inches)73%very high
October Weather22°C (72°F)104 mm (4.1 inches)75%very high
November Weather16°C (62°F)73 mm (2.9 inches)78%high
December Weather14°C (57°F)111 mm (4.4 inches)84%moderate

Compare Tomball's Climate with Cities Worldwide