Last updated: August 27, 2025
In January, the average temperature in Caister-on-Sea, United Kingdom hovers around 6°C (43°F), with nighttime lows dipping to a chilly 1°C (33°F) and daytime highs reaching a mild 12°C (55°F). Expect 61 mm (2.4 in) of precipitation spread over approximately 12 days, contributing to a high average humidity of 89%. Be prepared for a refreshing, albeit damp, climate!
In January in Caister-on-Sea, the average temperature is 6°C (43°F), with maximums reaching 12°C (55°F) and minimums dropping as low as 1°C (33°F). It's advisable to pack layers and prepare for cool weather while exploring this destination.
In Caister-on-Sea in January, the total precipitation amount is 61 mm (2.4 in), which occurs over a span of 12 days.
In Caister-on-Sea in January, humidity is 89%. With an average temperature of 6°C (43°F), this humidity feels like a chilly, damp embrace that can make outdoor activities uncomfortable and energy-draining, often leading travelers to seek shelter indoors or dress in layers to cope with the cold and moist air.
In Caister-on-Sea in January, 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 Caister-on-Sea.
UV Risk Categories
Weather in Caister-on-Sea varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Caister-on-Sea, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 6°C (43°F) | 61 mm (2.4 inches) | 89% | low |
| February Weather | 6°C (43°F) | 71 mm (2.8 inches) | 87% | low |
| March Weather | 7°C (44°F) | 60 mm (2.4 inches) | 86% | moderate |
| April Weather | 8°C (47°F) | 28 mm (1.1 inches) | 85% | moderate |
| May Weather | 11°C (52°F) | 51 mm (2.0 inches) | 83% | high |
| June Weather | 14°C (58°F) | 63 mm (2.5 inches) | 83% | very high |
| July Weather | 17°C (62°F) | 60 mm (2.4 inches) | 79% | very high |
| August Weather | 18°C (64°F) | 81 mm (3.2 inches) | 78% | high |
| September Weather | 16°C (61°F) | 73 mm (2.9 inches) | 84% | moderate |
| October Weather | 13°C (56°F) | 104 mm (4.1 inches) | 88% | moderate |
| November Weather | 10°C (50°F) | 67 mm (2.6 inches) | 89% | low |
| December Weather | 7°C (45°F) | 107 mm (4.2 inches) | 88% | low |