Last updated: August 27, 2025
In December, the average temperature in Sint Jansklooster, Netherlands hovers around 5°C (42°F). Expect chilly days with the mercury dipping to a minimum of -6°C (21°F) and reaching a comfortable maximum of 13°C (56°F). Be prepared for some wet weather, as 81 mm (3.2 in) of precipitation can be expected over 16 days, contributing to an average humidity of 86%.
In December in Sint Jansklooster, the average temperature is 5°C (42°F). Maximums can reach 13°C (56°F) and minimums can be as low as -6°C (21°F). Be prepared for chilly weather and pack accordingly if you're planning to travel during this time.
In Sint Jansklooster in December, the precipitation amount is 81 mm (3.2 in), falling over the course of 16 days.
In Sint Jansklooster in December, humidity is 86%. With an average temperature of 5°C (42°F), this humidity feels like a damp chill that penetrates your layers, making outdoor activities quite uncomfortable and prompting you to seek warmth indoors more often.
In Sint Jansklooster 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 Sint Jansklooster.
UV Risk Categories
Weather in Sint Jansklooster varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Sint Jansklooster, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (40°F) | 58 mm (2.3 inches) | 88% | low |
| February Weather | 5°C (40°F) | 66 mm (2.6 inches) | 88% | low |
| March Weather | 6°C (44°F) | 72 mm (2.8 inches) | 86% | moderate |
| April Weather | 9°C (49°F) | 40 mm (1.6 inches) | 84% | moderate |
| May Weather | 13°C (56°F) | 59 mm (2.3 inches) | 80% | high |
| June Weather | 17°C (64°F) | 74 mm (2.9 inches) | 75% | very high |
| July Weather | 18°C (65°F) | 90 mm (3.6 inches) | 75% | very high |
| August Weather | 18°C (65°F) | 88 mm (3.5 inches) | 75% | high |
| September Weather | 15°C (59°F) | 69 mm (2.7 inches) | 83% | moderate |
| October Weather | 12°C (54°F) | 86 mm (3.4 inches) | 86% | moderate |
| November Weather | 7°C (46°F) | 49 mm (1.9 inches) | 87% | low |
| December Weather | 5°C (42°F) | 81 mm (3.2 inches) | 86% | low |