Last updated: June 24, 2025
In December, the average temperature in San Leanna, United States hovers around 13°C (55°F). Expect a diverse range, with minimums dipping to -3°C (27°F) and soaring maximums reaching 29°C (84°F). During this month, precipitation totals around 78 mm (3.1 in), spread across approximately 6 days, while the average humidity remains high at 87%.
In December in San Leanna, the average temperature is 13°C (55°F). The maximum can reach 29°C (84°F), while the minimum can drop as low as -3°C (27°F). This range of temperatures makes San Leanna an ideal destination for travelers seeking mild weather with the possibility of both warm days and cool nights.
In San Leanna in December, the precipitation amount is 78 mm (3.1 in) spread over 6 days.
In San Leanna in December, humidity is 87%. With an average temperature of 13°C (55°F), this humidity feels like a heavy blanket wrapping around you, making travel sluggish and slightly uncomfortable, as each step seems to cling to the damp air.
In San Leanna 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 San Leanna.
UV Risk Categories
Weather in San Leanna varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Leanna, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 11°C (52°F) | 49 mm (1.9 inches) | 78% | moderate |
| February Weather | 12°C (54°F) | 58 mm (2.3 inches) | 78% | very high |
| March Weather | 18°C (64°F) | 69 mm (2.7 inches) | 77% | very high |
| April Weather | 20°C (69°F) | 90 mm (3.5 inches) | 78% | extreme |
| May Weather | 25°C (77°F) | 155 mm (6.1 inches) | 82% | extreme |
| June Weather | 28°C (82°F) | 98 mm (3.8 inches) | 78% | extreme |
| July Weather | 29°C (85°F) | 71 mm (2.8 inches) | 69% | extreme |
| August Weather | 30°C (86°F) | 118 mm (4.6 inches) | 63% | extreme |
| September Weather | 27°C (80°F) | 113 mm (4.5 inches) | 66% | very high |
| October Weather | 21°C (71°F) | 95 mm (3.7 inches) | 73% | very high |
| November Weather | 15°C (60°F) | 52 mm (2.0 inches) | 84% | high |
| December Weather | 13°C (55°F) | 78 mm (3.1 inches) | 87% | moderate |