Last updated: June 24, 2025
In December, the average temperature in Clearwater, United States hovers around 11°C (51°F). You can expect a range, with minimums dipping to -6°C (22°F) and maximums soaring to 28°C (82°F). Precipitation is quite prevalent, averaging 117 mm (4.6 in) over 10 days, and humidity hangs high at 87%, creating a cozy, albeit damp atmosphere.
In December in Clearwater, the average temperature is 11°C (51°F), with maximums reaching 28°C (82°F) and minimums dropping as low as -6°C (22°F). Travelers should be prepared for a wide range of temperatures, making layering essential for comfort throughout the day.
In Clearwater in December, the total precipitation amount is 117 mm (4.6 in) recorded over a span of 10 days.
In Clearwater 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 Clearwater 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 Clearwater for better planning.
UV Risk Categories
Weather in Clearwater varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Clearwater, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 9°C (49°F) | 84 mm (3.3 inches) | 86% | moderate |
| February Weather | 12°C (54°F) | 117 mm (4.6 inches) | 81% | high |
| March Weather | 15°C (59°F) | 85 mm (3.3 inches) | 81% | very high |
| April Weather | 19°C (66°F) | 108 mm (4.2 inches) | 79% | very high |
| May Weather | 23°C (74°F) | 102 mm (4.0 inches) | 75% | extreme |
| June Weather | 26°C (79°F) | 106 mm (4.2 inches) | 75% | extreme |
| July Weather | 28°C (82°F) | 122 mm (4.8 inches) | 80% | extreme |
| August Weather | 27°C (81°F) | 130 mm (5.1 inches) | 81% | very high |
| September Weather | 25°C (78°F) | 80 mm (3.1 inches) | 83% | very high |
| October Weather | 21°C (69°F) | 88 mm (3.5 inches) | 78% | very high |
| November Weather | 13°C (55°F) | 64 mm (2.5 inches) | 85% | high |
| December Weather | 11°C (51°F) | 117 mm (4.6 inches) | 87% | moderate |