Last updated: June 24, 2025
In December, the average temperature in Templeton, United States hovers around -1°C (31°F), but prepare for extremes; temperatures can dip as low as -22°C (-8°F) or rise to a maximum of 17°C (62°F). This month sees an average precipitation of 126 mm (5.0 in) spread over 10 days, contributing to a humidity level of 81%. Be ready for chilly and potentially wet conditions!
In December in Templeton, the average temperature is -1°C (31°F), with maximums reaching 17°C (62°F) and minimums plunging as low as -22°C (-8°F). Travelers should be prepared for a wide range of temperatures, dressing in layers to stay comfortable in both chilly and milder conditions.
In Templeton in December, the total precipitation amount is 126 mm (5.0 in) spread over a duration of 10 days.
In Templeton in December humidity is 81%. With an average temperature of -1°C (31°F), this humidity feels like a heavy, cold mist that clings to your skin, making outdoor adventures damp and challenging.
In Templeton in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Templeton, you can visit Hourly UV Index in Templeton.
UV Risk Categories
Weather in Templeton varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Templeton, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (27°F) | 76 mm (3.0 inches) | 86% | moderate |
| February Weather | -1°C (30°F) | 90 mm (3.6 inches) | 84% | moderate |
| March Weather | 2°C (35°F) | 86 mm (3.4 inches) | 82% | high |
| April Weather | 8°C (47°F) | 131 mm (5.2 inches) | 80% | very high |
| May Weather | 14°C (58°F) | 92 mm (3.6 inches) | 72% | very high |
| June Weather | 20°C (68°F) | 89 mm (3.5 inches) | 72% | very high |
| July Weather | 23°C (73°F) | 150 mm (5.9 inches) | 67% | very high |
| August Weather | 22°C (72°F) | 94 mm (3.7 inches) | 66% | very high |
| September Weather | 18°C (65°F) | 89 mm (3.5 inches) | 71% | very high |
| October Weather | 12°C (54°F) | 136 mm (5.4 inches) | 78% | high |
| November Weather | 4°C (40°F) | 102 mm (4.0 inches) | 84% | moderate |
| December Weather | -1°C (31°F) | 126 mm (5.0 inches) | 81% | low |