Last updated: August 27, 2025
In Rena, Norway, the average temperature in December hovers around -6°C (22°F), with a minimum of -21°C (-5°F) and a maximum reaching up to 5°C (41°F). The month sees an average precipitation of 89 mm (3.5 in) spread over 15 days, contributing to an exceptionally high average humidity of 98%.
In December in Rena, the average temperature is -6°C (22°F), with maximums reaching 5°C (41°F) and minimums dropping as low as -21°C (-5°F). Travelers should be prepared for cold conditions and dress warmly to enjoy their visit.
In Rena in December, the precipitation amount is 89 mm (3.5 in) during 15 days of the month.
In Rena in December, humidity is 98%. With an average temperature of -6°C (22°F), this humidity feels like an icy chill that seeps into your bones, making travel feel like an endurance test as each breath hangs visibly in the cold air, creating a unique but challenging atmosphere for exploration.
In Rena in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Rena.
UV Risk Categories
Weather in Rena varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Rena, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -7°C (21°F) | 57 mm (2.2 inches) | 98% | low |
| February Weather | -6°C (22°F) | 54 mm (2.1 inches) | 95% | low |
| March Weather | -2°C (28°F) | 56 mm (2.2 inches) | 92% | moderate |
| April Weather | 2°C (36°F) | 33 mm (1.3 inches) | 88% | moderate |
| May Weather | 8°C (47°F) | 87 mm (3.4 inches) | 84% | moderate |
| June Weather | 14°C (57°F) | 103 mm (4.1 inches) | 82% | high |
| July Weather | 15°C (59°F) | 101 mm (4.0 inches) | 82% | high |
| August Weather | 13°C (55°F) | 116 mm (4.6 inches) | 87% | moderate |
| September Weather | 9°C (48°F) | 103 mm (4.0 inches) | 91% | moderate |
| October Weather | 4°C (39°F) | 124 mm (4.9 inches) | 95% | low |
| November Weather | -1°C (31°F) | 103 mm (4.1 inches) | 97% | low |
| December Weather | -6°C (22°F) | 89 mm (3.5 inches) | 98% | low |