Last updated: August 27, 2025
In January, the average temperature in Castiello de Jaca, Spain hovers around 0°C (32°F). You'll experience chilly conditions as the minimum temperature can plunge to -15°C (4°F), while the maximum reaches a milder 11°C (52°F). Precipitation is notable, with around 129 mm (5.1 in) of rain spread across 13 days, contributing to a high average humidity of 86%. Stay warm and prepared for wet weather!
In January in Castiello de Jaca, the average temperature is 0°C (32°F). Maximums can reach 11°C (52°F), while minimums can plummet to as low as -15°C (4°F). Be prepared for chilly weather and pack layers to stay warm during your travels.
In Castiello de Jaca in January, the precipitation amount is 129 mm (5.1 in) over the course of 13 days.
In Castiello de Jaca in January humidity is 86%. With an average temperature of 0°C (32°F), this humidity feels like a biting chill that seeps into your bones, making travel feel uncomfortable and damp, as the cold air combines with the moisture to create a brisk sensation that may deter outdoor exploration.
In Castiello de Jaca in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Castiello de Jaca, you can check the information here.
UV Risk Categories
Weather in Castiello de Jaca varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Castiello de Jaca, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 0°C (32°F) | 129 mm (5.1 inches) | 86% | moderate |
February Weather | 2°C (36°F) | 113 mm (4.4 inches) | 85% | moderate |
March Weather | 3°C (38°F) | 144 mm (5.7 inches) | 82% | high |
April Weather | 6°C (42°F) | 139 mm (5.5 inches) | 81% | very high |
May Weather | 10°C (50°F) | 148 mm (5.8 inches) | 80% | very high |
June Weather | 14°C (58°F) | 171 mm (6.7 inches) | 81% | extreme |
July Weather | 17°C (63°F) | 110 mm (4.3 inches) | 80% | extreme |
August Weather | 17°C (63°F) | 109 mm (4.3 inches) | 76% | very high |
September Weather | 13°C (56°F) | 114 mm (4.5 inches) | 75% | very high |
October Weather | 9°C (48°F) | 120 mm (4.7 inches) | 81% | high |
November Weather | 3°C (38°F) | 140 mm (5.5 inches) | 85% | moderate |
December Weather | 1°C (35°F) | 208 mm (8.2 inches) | 87% | low |