April Weather in Port Saint John, United States

Last updated: June 24, 2025

In April, the average temperature in Port Saint John, United States is a pleasant 23°C (73°F), with a comfortable range from a minimum of 13°C (55°F) to a maximum of 30°C (87°F). Expect 72 mm (2.8 in) of precipitation spread over 8 days, contributing to an average humidity of 70%. Enjoy the mild weather while being prepared for occasional rain!

April Temperature in Port Saint John

In April in Port Saint John, the average temperature is 23°C (73°F). The maximum can reach 30°C (87°F) and the minimum can be as low as 13°C (55°F). This comfortable climate makes Port Saint John an ideal destination for travelers looking to enjoy pleasant weather.

April Weather in Port Saint John: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Port Saint John, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Port Saint John, April typically has an average temperature of 23°C (73°F), with highs reaching up to 30°C (87°F) and lows dropping to around 13°C (55°F).

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

April Precipitation in Port Saint John

In Port Saint John in April, the precipitation amount is 72 mm (2.8 in) over the course of 8 days.

April Precipitation Trends in Port Saint John

The chart displays monthly precipitation patterns in Port Saint John, 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 Port Saint John, April typically receives around 72 mm (2.8 inches) of precipitation spread over approximately 8 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 Port Saint John

In Port Saint John in April humidity is 70%. With an average temperature of 23°C (73°F), this humidity feels like a warm, sticky embrace that can lead to a feeling of lethargy while traveling, making it essential to stay hydrated and take breaks in shaded areas.

April Average Humidity in Port Saint John

This chart illustrates the average monthly humidity levels in Port Saint John, 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 Port Saint John is approximately 70%, 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 Port Saint John

In Port Saint John in April, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Port Saint John.

Maximum UV Index Levels in Port Saint John for April

The chart shows the monthly maximum UV Index (UVI) for Port Saint John 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 Port Saint John typically reaches 11, which falls under the extreme exposure category.

Data source: Port Saint John 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 Port Saint John Compares to Other Months

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

This table compares monthly weather conditions in Port Saint John, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	17°C (64°F)	38 mm (1.5 inches)	83%	high
February Weather	19°C (67°F)	51 mm (2.0 inches)	80%	very high
March Weather	20°C (69°F)	25 mm (1.0 inches)	75%	very high
April Weather	23°C (73°F)	72 mm (2.8 inches)	70%	extreme
May Weather	25°C (77°F)	124 mm (4.9 inches)	68%	extreme
June Weather	26°C (80°F)	164 mm (6.4 inches)	75%	extreme
July Weather	27°C (82°F)	172 mm (6.8 inches)	79%	extreme
August Weather	28°C (82°F)	220 mm (8.7 inches)	81%	extreme
September Weather	27°C (81°F)	189 mm (7.4 inches)	83%	extreme
October Weather	26°C (78°F)	107 mm (4.2 inches)	81%	very high
November Weather	22°C (71°F)	62 mm (2.4 inches)	82%	high
December Weather	19°C (66°F)	65 mm (2.6 inches)	84%	moderate