Last updated: June 24, 2025
In December, the average temperature in Rowlett, United States hovers around 11°C (51°F). Temperatures can swing from a chilly -5°C (23°F) to a warm 27°C (81°F), offering a diverse climate experience. Expect approximately 73 mm (2.9 in) of precipitation over 7 days, with an average humidity of 87%, making for a damp and refreshing atmosphere.
In December in Rowlett, the average temperature is 11°C (51°F). The maximum can reach 27°C (81°F) and the minimum can be as low as -5°C (23°F). It's essential to pack layers to accommodate the wide range of temperatures for your travels.
In Rowlett in December, the precipitation amount is 73 mm (2.9 in) during a span of 7 days.
In Rowlett in December humidity is 87%. With an average temperature of 11°C (51°F), this humidity feels like a damp chill wrapping around you, making outdoor excursions a bit uncomfortable as the air feels thick and heavy, urging you to seek shelter more often than not.
In Rowlett 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 Rowlett for better planning.
UV Risk Categories
Weather in Rowlett varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Rowlett, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 8°C (47°F) | 64 mm (2.5 inches) | 80% | moderate |
February Weather | 9°C (49°F) | 111 mm (4.4 inches) | 79% | high |
March Weather | 15°C (60°F) | 121 mm (4.8 inches) | 78% | very high |
April Weather | 18°C (65°F) | 138 mm (5.4 inches) | 78% | very high |
May Weather | 23°C (74°F) | 180 mm (7.1 inches) | 81% | extreme |
June Weather | 27°C (81°F) | 91 mm (3.6 inches) | 78% | extreme |
July Weather | 29°C (85°F) | 55 mm (2.2 inches) | 73% | extreme |
August Weather | 29°C (84°F) | 95 mm (3.7 inches) | 66% | extreme |
September Weather | 26°C (79°F) | 89 mm (3.5 inches) | 65% | very high |
October Weather | 20°C (68°F) | 148 mm (5.8 inches) | 72% | very high |
November Weather | 13°C (56°F) | 58 mm (2.3 inches) | 82% | high |
December Weather | 11°C (51°F) | 73 mm (2.9 inches) | 87% | moderate |