April Weather in Guernsey, United States

Last updated: June 24, 2025

In April, the average temperature in Guernsey, United States is a cool 8°C (46°F), with fluctuations ranging from a brisk -13°C (8°F) to a warm 28°C (82°F). Expect about 45 mm (1.8 in) of precipitation over approximately 9 days during this time, accompanied by an average humidity level of 66%. Prepare accordingly for both chilly and mild days!

April Temperature in Guernsey

In April in Guernsey, the average temperature is 8°C (46°F). The maximum can reach 28°C (82°F), while the minimum can drop as low as -13°C (8°F). Be prepared for a wide range of temperatures when traveling during this month.

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

The chart illustrates April 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, April typically has an average temperature of 8°C (46°F), with highs reaching up to 28°C (82°F) and lows dropping to around -13°C (8°F).

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

April Precipitation in Guernsey

In Guernsey in April, the precipitation amount is 45 mm (1.8 in) spread over 9 days.

April Precipitation Trends in Guernsey

The chart displays monthly precipitation patterns in Guernsey, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Guernsey, April typically receives around 45 mm (1.8 inches) of precipitation spread over approximately 9 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

April Humidity in Guernsey

In Guernsey in April, humidity is 66%. With an average temperature of 8°C (46°F), this humidity feels like a brisk, damp chill that can make outdoor activities quite uncomfortable for traveling, as the moisture in the air adds to the coolness and can leave you feeling chilly and clammy.

April Average Humidity in Guernsey

This chart illustrates the average monthly humidity levels in Guernsey, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Guernsey is approximately 66%, offering insight into how humid the weather typically is during this month.

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

April UV Index in Guernsey

In Guernsey in April, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Guernsey.

Maximum UV Index Levels in Guernsey for April

The chart shows the monthly maximum UV Index (UVI) for Guernsey in April, 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 April, the maximum UV index in Guernsey typically reaches 10, which falls under the very high exposure category.

Data source: Guernsey April 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 April 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 April’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 April’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