Last updated: August 31, 2025
In December, the average temperature in Olonkinbyen, Svalbard and Jan Mayen hovers around -1°C (30°F), with extremes reaching as low as -9°C (17°F) and peaking at 4°C (40°F). This month typically sees 76 mm (3.0 in) of precipitation spread over 18 days, contributing to an average humidity level of 84%. Prepare for chilly and damp weather!
In December in Olonkinbyen, the average temperature is -1°C (30°F), with maximums reaching 4°C (40°F) and minimums dropping as low as -9°C (17°F). It's advisable to bundle up and prepare for chilly weather if you're planning to visit during this time.
In Olonkinbyen in December, the precipitation amount reaches 76 mm (3.0 in) over a span of 18 days.
In Olonkinbyen in December, humidity is 84%. With an average temperature of -1°C (30°F), this humidity feels like a sharp chill that seeps into your bones, making travel uncomfortable as the wetness in the air intensifies the cold, leaving you yearning for warmth and shelter.
In Olonkinbyen in December, the maximum UV index is 0, which corresponds to a low Exposure Category. The time to burn is approximately 45 minutes. For detailed information, you can check the Hourly UV Index in Olonkinbyen.
UV Risk Categories
Weather in Olonkinbyen varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Olonkinbyen, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -2°C (29°F) | 80 mm (3.2 inches) | 85% | low |
| February Weather | -2°C (30°F) | 67 mm (2.7 inches) | 86% | low |
| March Weather | -3°C (27°F) | 61 mm (2.4 inches) | 89% | low |
| April Weather | -2°C (30°F) | 63 mm (2.5 inches) | 89% | moderate |
| May Weather | 0°C (33°F) | 41 mm (1.6 inches) | 85% | moderate |
| June Weather | 3°C (37°F) | 33 mm (1.3 inches) | 89% | moderate |
| July Weather | 5°C (42°F) | 43 mm (1.7 inches) | 92% | moderate |
| August Weather | 6°C (44°F) | 42 mm (1.6 inches) | 89% | moderate |
| September Weather | 5°C (42°F) | 78 mm (3.1 inches) | 91% | low |
| October Weather | 3°C (37°F) | 63 mm (2.5 inches) | 86% | low |
| November Weather | 0°C (32°F) | 81 mm (3.2 inches) | 84% | low |
| December Weather | -1°C (30°F) | 76 mm (3.0 inches) | 84% | low |