March Weather in Guernsey, United States

Last updated: June 24, 2025

In March, the average temperature in Guernsey, United States hovers around 4°C (39°F). Be prepared for a wide range, as temperatures can plunge to a chilling -28°C (-18°F) or rise to a pleasant 26°C (79°F). During this time, expect about 50 mm (2.0 in) of precipitation spread over 5 days, with an average humidity of 64%.

March Temperature in Guernsey

In March in Guernsey, the average temperature is 4°C (39°F), with maximums reaching up to 26°C (79°F) and minimums dropping as low as -28°C (-18°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for both warm and cold conditions.

March Weather in Guernsey: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Guernsey, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Guernsey, March typically has an average temperature of 4°C (39°F), with highs reaching up to 26°C (79°F) and lows dropping to around -28°C (-18°F).

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

March Precipitation in Guernsey

In Guernsey in March, the precipitation amount is 50 mm (2.0 in) over a period of 5 days.

March Precipitation Trends in Guernsey

The chart displays monthly precipitation patterns in Guernsey, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Guernsey, March typically receives around 50 mm (2.0 inches) of precipitation spread over approximately 5 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

March Humidity in Guernsey

In Guernsey in March humidity is 64%. With an average temperature of 4°C (39°F), this humidity feels like a brisk chill that can make exploring the outdoors invigorating yet slightly damp, requiring warm layers and a light raincoat for comfort while traveling.

March Average Humidity in Guernsey

This chart illustrates the average monthly humidity levels in Guernsey, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Guernsey is approximately 64%, offering insight into how humid the weather typically is during this month.

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

March UV Index in Guernsey

In Guernsey in March, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Guernsey.

Maximum UV Index Levels in Guernsey for March

The chart shows the monthly maximum UV Index (UVI) for Guernsey in March, 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 March, the maximum UV index in Guernsey typically reaches 7, which falls under the high exposure category.

Data source: Guernsey March 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 March Weather in Guernsey Compares to Other Months

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

This table compares monthly weather conditions in Guernsey, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (31°F)	12 mm (0.5 inches)	73%	moderate
February Weather	-2°C (29°F)	23 mm (0.9 inches)	78%	moderate
March Weather	4°C (39°F)	50 mm (2.0 inches)	64%	high
April Weather	8°C (46°F)	45 mm (1.8 inches)	66%	very high
May Weather	13°C (55°F)	85 mm (3.3 inches)	74%	very high
June Weather	21°C (70°F)	37 mm (1.5 inches)	84%	extreme
July Weather	25°C (77°F)	27 mm (1.1 inches)	85%	extreme
August Weather	23°C (74°F)	16 mm (0.6 inches)	85%	very high
September Weather	19°C (66°F)	24 mm (0.9 inches)	76%	very high
October Weather	8°C (47°F)	33 mm (1.3 inches)	71%	high
November Weather	4°C (40°F)	17 mm (0.7 inches)	73%	moderate
December Weather	1°C (33°F)	17 mm (0.7 inches)	75%	moderate