Last updated: June 24, 2025
In Trinity, United States, the average temperature in December is a cool 7°C (45°F). During this time, temperatures can dip as low as -8°C (18°F) and soar to a maximum of 23°C (73°F). Expect 109 mm (4.3 in) of precipitation spread over 9 days, contributing to an average humidity of a high 87%. Stay prepared for a mix of conditions!
In December in Trinity, the average temperature is 7°C (45°F). Maximum temperatures can reach 23°C (73°F), while minimums can drop as low as -8°C (18°F). Be prepared for a wide range of temperatures, making layering essential for comfortable travel.
In Trinity in December, the total precipitation amount is 109 mm (4.3 in) spread over 9 days.
In Trinity in December, humidity is 87%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that seeps into your bones, making outdoor adventures somewhat uncomfortable and urging travelers to seek refuge in cozy cafes or warm indoor activities.
In Trinity 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 Trinity, you can check the information here.
UV Risk Categories
Weather in Trinity varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Trinity, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 5°C (41°F) | 88 mm (3.5 inches) | 86% | moderate |
February Weather | 8°C (47°F) | 121 mm (4.8 inches) | 85% | high |
March Weather | 11°C (52°F) | 87 mm (3.4 inches) | 84% | very high |
April Weather | 16°C (60°F) | 109 mm (4.3 inches) | 82% | very high |
May Weather | 21°C (69°F) | 120 mm (4.7 inches) | 83% | very high |
June Weather | 24°C (76°F) | 106 mm (4.2 inches) | 82% | extreme |
July Weather | 27°C (80°F) | 97 mm (3.8 inches) | 80% | very high |
August Weather | 25°C (78°F) | 127 mm (5.0 inches) | 74% | very high |
September Weather | 23°C (73°F) | 137 mm (5.4 inches) | 75% | very high |
October Weather | 17°C (64°F) | 104 mm (4.1 inches) | 79% | very high |
November Weather | 9°C (49°F) | 82 mm (3.2 inches) | 87% | moderate |
December Weather | 7°C (45°F) | 109 mm (4.3 inches) | 87% | moderate |