January Weather in Saint Saviour, Guernsey

Last updated: August 23, 2025

In January, the average temperature in Saint Saviour, Guernsey hovers around 9°C (49°F). Expect cooler days, as temperatures can dip to a minimum of 3°C (38°F), while peaking at a maximum of 14°C (57°F). With 98 mm (3.9 in) of precipitation spread across 15 days, it's advisable to pack an umbrella. The average humidity lingers at a high 89%, adding to the refreshing, crisp air of the season.

January Temperature in Saint Saviour

In January in Saint Saviour, the average temperature is 9°C (49°F). Maximums can reach 14°C (57°F), and minimums can be as low as 3°C (38°F). Be prepared for cool weather if you plan to travel during this time.

January Weather in Saint Saviour: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Saint Saviour, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint Saviour, January typically has an average temperature of 9°C (49°F), with highs reaching up to 14°C (57°F) and lows dropping to around 3°C (38°F).

Data source: Temperature data for Saint Saviour generated using information from the Copernicus Climate Change Service.

January Precipitation in Saint Saviour

In Saint Saviour in January, the total precipitation amount is 98 mm (3.9 in) spread over 15 days.

January Precipitation Trends in Saint Saviour

The chart displays monthly precipitation patterns in Saint Saviour, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Saint Saviour, January typically receives around 98 mm (3.9 inches) of precipitation spread over approximately 15 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Saint Saviour

In Saint Saviour in January, humidity is 89%. With an average temperature of 9°C (49°F), this humidity feels like a persistent dampness that clings to your clothes and skin, making it challenging to stay comfortable while traveling.

January Average Humidity in Saint Saviour

This chart illustrates the average monthly humidity levels in Saint Saviour, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Saint Saviour is approximately 89%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Saint Saviour

In Saint Saviour in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Saint Saviour, you can visit Hourly UV Index in Saint Saviour.

Maximum UV Index Levels in Saint Saviour for January

The chart shows the monthly maximum UV Index (UVI) for Saint Saviour in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Saint Saviour typically reaches 2, which falls under the low exposure category.

Data source: Saint Saviour January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How January Weather in Saint Saviour Compares to Other Months

Weather in Saint Saviour varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Saint Saviour, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Saint Saviour, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (49°F)	98 mm (3.9 inches)	89%	low
February Weather	9°C (48°F)	86 mm (3.4 inches)	88%	moderate
March Weather	9°C (49°F)	75 mm (3.0 inches)	85%	moderate
April Weather	10°C (50°F)	35 mm (1.4 inches)	84%	high
May Weather	12°C (54°F)	60 mm (2.4 inches)	81%	high
June Weather	14°C (58°F)	58 mm (2.3 inches)	77%	very high
July Weather	16°C (62°F)	41 mm (1.6 inches)	63%	very high
August Weather	17°C (63°F)	49 mm (1.9 inches)	71%	high
September Weather	17°C (62°F)	63 mm (2.5 inches)	76%	high
October Weather	15°C (59°F)	144 mm (5.7 inches)	89%	moderate
November Weather	12°C (54°F)	127 mm (5.0 inches)	90%	low
December Weather	11°C (51°F)	162 mm (6.4 inches)	90%	low