Last updated: June 24, 2025
In December, the average temperature in Mapleton, United States is a chilly -2°C (29°F), with extremes ranging from a frigid -23°C (-10°F) to a surprisingly warm 21°C (69°F). During this time, you can expect about 40 mm (1.6 in) of precipitation spread over 4 days, contributing to an average humidity level of 83%.
In December in Mapleton, the average temperature is -2°C (29°F). The maximum can reach 21°C (69°F), while the minimum can drop as low as -23°C (-10°F). Travelers should be prepared for a wide range of temperatures during their visit.
In Mapleton in December, the precipitation amount is 40 mm (1.6 in) spread over a duration of 4 days.
In Mapleton in December, humidity is 83%. With an average temperature of -2°C (29°F), this humidity feels like a biting chill that seeps into your bones, making travel outside feel particularly uncomfortable and brisk, as the damp air enhances the cold sensation, leaving you longing for warmth and shelter.
In Mapleton 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 Mapleton, you can visit Hourly UV Index in Mapleton.
UV Risk Categories
Weather in Mapleton varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Mapleton, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -5°C (23°F) | 26 mm (1.0 inches) | 80% | moderate |
| February Weather | -5°C (23°F) | 36 mm (1.4 inches) | 84% | moderate |
| March Weather | 3°C (39°F) | 79 mm (3.1 inches) | 75% | moderate |
| April Weather | 9°C (48°F) | 73 mm (2.9 inches) | 79% | very high |
| May Weather | 16°C (61°F) | 139 mm (5.5 inches) | 74% | very high |
| June Weather | 23°C (74°F) | 122 mm (4.8 inches) | 81% | extreme |
| July Weather | 25°C (77°F) | 54 mm (2.1 inches) | 82% | very high |
| August Weather | 23°C (73°F) | 109 mm (4.3 inches) | 80% | very high |
| September Weather | 20°C (68°F) | 108 mm (4.3 inches) | 75% | very high |
| October Weather | 10°C (51°F) | 91 mm (3.6 inches) | 77% | high |
| November Weather | 3°C (38°F) | 30 mm (1.2 inches) | 85% | moderate |
| December Weather | -2°C (29°F) | 40 mm (1.6 inches) | 83% | low |