Last updated: June 24, 2025
In December, the average temperature in Gillespie, United States hovers around 3°C (37°F). Temperatures can swing dramatically, with a minimum of -19°C (-1°F) and a maximum reaching 19°C (67°F). Expect some moisture, as the area receives around 55 mm (2.2 in) of precipitation over 7 days. With an average humidity level of 87%, prepare for a chilly, damp experience!
In December in Gillespie, the average temperature is 3°C (37°F), with maximums reaching 19°C (67°F) and minimums dropping as low as -19°C (-1°F). Travelers should be prepared for a wide temperature range, making layered clothing essential for comfort during their visit.
In Gillespie in December, the precipitation amount is 55 mm (2.2 in) over the course of 7 days.
In Gillespie in December, humidity is 87%. With an average temperature of 3°C (37°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities uncomfortable and necessitating proper layers to stay warm while navigating the wet conditions.
In Gillespie 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 Gillespie, you can check the information here.
UV Risk Categories
Weather in Gillespie varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Gillespie, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -1°C (31°F) | 73 mm (2.9 inches) | 84% | moderate |
| February Weather | 1°C (34°F) | 78 mm (3.1 inches) | 82% | moderate |
| March Weather | 7°C (45°F) | 130 mm (5.1 inches) | 84% | high |
| April Weather | 12°C (54°F) | 137 mm (5.4 inches) | 83% | very high |
| May Weather | 19°C (66°F) | 158 mm (6.2 inches) | 80% | very high |
| June Weather | 24°C (76°F) | 115 mm (4.5 inches) | 83% | extreme |
| July Weather | 26°C (78°F) | 102 mm (4.0 inches) | 82% | extreme |
| August Weather | 24°C (75°F) | 114 mm (4.5 inches) | 82% | very high |
| September Weather | 22°C (71°F) | 66 mm (2.6 inches) | 79% | very high |
| October Weather | 14°C (58°F) | 106 mm (4.2 inches) | 79% | high |
| November Weather | 6°C (43°F) | 74 mm (2.9 inches) | 88% | moderate |
| December Weather | 3°C (37°F) | 55 mm (2.2 inches) | 87% | moderate |