April Weather in Head of the Harbor, United States

Last updated: June 24, 2025

The average temperature in Head of the Harbor, United States during April is a cool 10°C (50°F). Expect ranges from a brisk -1°C (30°F) to a warm 26°C (79°F). Be prepared for some rain, with an average precipitation of 118 mm (4.7 in) spread over 12 days. The air tends to be quite humid, with an average humidity of 78%.

April Temperature in Head of the Harbor

In April in Head of the Harbor, the average temperature is 10°C (50°F). Maximums can reach 26°C (79°F), while minimums can drop as low as -1°C (30°F). Pack accordingly to enjoy a comfortable trip, as temperatures can vary significantly during your stay.

April Weather in Head of the Harbor: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Head of the Harbor, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Head of the Harbor, April typically has an average temperature of 10°C (50°F), with highs reaching up to 26°C (79°F) and lows dropping to around -1°C (30°F).

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

April Precipitation in Head of the Harbor

In Head of the Harbor in April, the total precipitation amount is 118 mm (4.7 in) over the course of 12 days.

April Precipitation Trends in Head of the Harbor

The chart displays monthly precipitation patterns in Head of the Harbor, 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 Head of the Harbor, April typically receives around 118 mm (4.7 inches) of precipitation spread over approximately 12 days.

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

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Millimeters (mm) Inches (in)

April Humidity in Head of the Harbor

In Head of the Harbor in April humidity is 78%. With an average temperature of 10°C (50°F), this humidity feels like a chilly dampness that can seep into your clothes, making outdoor activities less enjoyable and requiring extra layers to stay warm as you explore the area.

April Average Humidity in Head of the Harbor

This chart illustrates the average monthly humidity levels in Head of the Harbor, 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 Head of the Harbor is approximately 78%, 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 Head of the Harbor

In Head of the Harbor in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Head of the Harbor.

Maximum UV Index Levels in Head of the Harbor for April

The chart shows the monthly maximum UV Index (UVI) for Head of the Harbor 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 Head of the Harbor typically reaches 8, which falls under the very high exposure category.

Data source: Head of the Harbor 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 Head of the Harbor Compares to Other Months

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

This table compares monthly weather conditions in Head of the Harbor, 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 (34°F)	70 mm (2.8 inches)	84%	moderate
February Weather	2°C (36°F)	99 mm (3.9 inches)	82%	moderate
March Weather	5°C (41°F)	95 mm (3.8 inches)	81%	high
April Weather	10°C (50°F)	118 mm (4.7 inches)	78%	very high
May Weather	15°C (60°F)	110 mm (4.3 inches)	69%	very high
June Weather	21°C (70°F)	90 mm (3.5 inches)	69%	very high
July Weather	25°C (77°F)	132 mm (5.2 inches)	62%	very high
August Weather	24°C (75°F)	108 mm (4.3 inches)	65%	very high
September Weather	21°C (69°F)	92 mm (3.6 inches)	68%	very high
October Weather	15°C (60°F)	129 mm (5.1 inches)	74%	high
November Weather	8°C (47°F)	94 mm (3.7 inches)	82%	moderate
December Weather	4°C (39°F)	119 mm (4.7 inches)	80%	low