January Weather in St Anne, Guernsey

Last updated: August 23, 2025

In January, the average temperature in St Anne, Guernsey hovers around 9°C (48°F), with a minimum dipping to 3°C (37°F) and a maximum reaching 14°C (57°F). Expect a fair amount of rain, with 99 mm (3.9 in) of precipitation spread over 15 days. To top it off, the average humidity sits at a high 90%, making for a chilly and damp atmosphere throughout the month.

January Temperature in St Anne

In January in St Anne, the average temperature is 9°C (48°F), with maximums reaching 14°C (57°F) and minimums dropping as low as 3°C (37°F). This mild weather makes it a great time to explore the outdoors and enjoy local attractions.

January Weather in St Anne: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in St Anne, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In St Anne, January typically has an average temperature of 9°C (48°F), with highs reaching up to 14°C (57°F) and lows dropping to around 3°C (37°F).

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

January Precipitation in St Anne

In St Anne in January, the total precipitation amount is 99 mm (3.9 in) over the course of 15 days.

January Precipitation Trends in St Anne

The chart displays monthly precipitation patterns in St Anne, 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 St Anne, January typically receives around 99 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 St Anne

In St Anne in January, humidity is 90%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration quite uncomfortable and requiring heavier layers to stay warm and dry.

January Average Humidity in St Anne

This chart illustrates the average monthly humidity levels in St Anne, 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 St Anne is approximately 90%, 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 St Anne

In St Anne 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 St Anne, you can visit Hourly UV Index in St Anne.

Maximum UV Index Levels in St Anne for January

The chart shows the monthly maximum UV Index (UVI) for St Anne 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 St Anne typically reaches 2, which falls under the low exposure category.

Data source: St Anne 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 St Anne Compares to Other Months

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

This table compares monthly weather conditions in St Anne, 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 (48°F)	99 mm (3.9 inches)	90%	low
February Weather	9°C (48°F)	86 mm (3.4 inches)	89%	moderate
March Weather	9°C (49°F)	78 mm (3.1 inches)	86%	moderate
April Weather	10°C (50°F)	33 mm (1.3 inches)	84%	high
May Weather	12°C (53°F)	54 mm (2.1 inches)	80%	high
June Weather	14°C (58°F)	58 mm (2.3 inches)	80%	very high
July Weather	16°C (61°F)	38 mm (1.5 inches)	69%	very high
August Weather	17°C (63°F)	54 mm (2.1 inches)	73%	high
September Weather	16°C (62°F)	59 mm (2.3 inches)	79%	high
October Weather	15°C (59°F)	144 mm (5.7 inches)	89%	moderate
November Weather	12°C (54°F)	131 mm (5.2 inches)	92%	low
December Weather	10°C (51°F)	170 mm (6.7 inches)	92%	low