Last updated: August 27, 2025
In December, the average temperature in West Calder, United Kingdom hovers around 4°C (39°F), offering a crisp atmosphere. Be prepared for temperatures that can dip to a chilling -6°C (21°F) at the lowest and occasionally rise to a mild 12°C (54°F). This month also brings substantial precipitation, with an average of 93 mm (3.7 in) over 16 days. Expect the air to feel quite damp, with an average humidity of 89%.
In December in West Calder, the average temperature is 4°C (39°F). Maximums can reach 12°C (54°F), and minimums can be as low as -6°C (21°F). Be prepared for chilly weather and pack accordingly when traveling during this time.
In West Calder in December, the precipitation amount is 93 mm (3.7 in) spread over the course of 16 days.
In West Calder in December humidity is 89%. With an average temperature of 4°C (39°F), this humidity feels like an uninviting chill that seeps into your bones, making travel uncomfortable and necessitating extra layers of clothing to fend off the dampness.
In West Calder 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 West Calder.
UV Risk Categories
Weather in West Calder varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in West Calder, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (39°F) | 71 mm (2.8 inches) | 90% | low |
| February Weather | 4°C (40°F) | 113 mm (4.4 inches) | 88% | low |
| March Weather | 5°C (41°F) | 98 mm (3.9 inches) | 86% | moderate |
| April Weather | 7°C (45°F) | 43 mm (1.7 inches) | 85% | moderate |
| May Weather | 10°C (50°F) | 72 mm (2.8 inches) | 80% | high |
| June Weather | 13°C (56°F) | 107 mm (4.2 inches) | 83% | very high |
| July Weather | 15°C (59°F) | 90 mm (3.5 inches) | 82% | very high |
| August Weather | 14°C (57°F) | 123 mm (4.8 inches) | 82% | high |
| September Weather | 12°C (54°F) | 82 mm (3.2 inches) | 88% | moderate |
| October Weather | 9°C (48°F) | 111 mm (4.4 inches) | 90% | moderate |
| November Weather | 6°C (43°F) | 81 mm (3.2 inches) | 92% | low |
| December Weather | 4°C (39°F) | 93 mm (3.7 inches) | 89% | low |