April Weather in Bay, United States

Last updated: June 24, 2025

In Bay, United States, the average temperature in April hovers around 15°C (60°F). However, be prepared for a temperature range that can plunge to -2°C (29°F) or soar up to 30°C (86°F). Throughout the month, expect approximately 140 mm (5.5 in) of precipitation over 12 days, contributing to an average humidity level of around 81%.

April Temperature in Bay

In April in Bay, the average temperature is 15°C (60°F), with maximums reaching 30°C (86°F) and minimums dropping as low as -2°C (29°F). Be sure to pack layers to comfortably adjust to the varying temperatures while exploring!

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

The chart illustrates April temperature patterns in Bay, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bay, April typically has an average temperature of 15°C (60°F), with highs reaching up to 30°C (86°F) and lows dropping to around -2°C (29°F).

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

April Precipitation in Bay

In Bay in April, the total precipitation amount is 140 mm (5.5 in) over the course of 12 days.

April Precipitation Trends in Bay

The chart displays monthly precipitation patterns in Bay, 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 Bay, April typically receives around 140 mm (5.5 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 Bay

In Bay in April, humidity is 81%. With an average temperature of 15°C (60°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sluggish and draining, which can challenge even the best-prepared traveler.

April Average Humidity in Bay

This chart illustrates the average monthly humidity levels in Bay, 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 Bay is approximately 81%, 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 Bay

In Bay 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 Bay.

Maximum UV Index Levels in Bay for April

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

Data source: Bay 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 Bay Compares to Other Months

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

This table compares monthly weather conditions in Bay, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (41°F)	99 mm (3.9 inches)	84%	moderate
February Weather	6°C (44°F)	170 mm (6.7 inches)	83%	high
March Weather	12°C (54°F)	169 mm (6.7 inches)	81%	high
April Weather	15°C (60°F)	140 mm (5.5 inches)	81%	very high
May Weather	22°C (71°F)	133 mm (5.2 inches)	83%	extreme
June Weather	26°C (78°F)	102 mm (4.0 inches)	83%	extreme
July Weather	28°C (82°F)	97 mm (3.8 inches)	81%	extreme
August Weather	26°C (79°F)	112 mm (4.4 inches)	74%	very high
September Weather	24°C (75°F)	90 mm (3.5 inches)	71%	very high
October Weather	17°C (64°F)	125 mm (4.9 inches)	76%	high
November Weather	10°C (50°F)	82 mm (3.2 inches)	84%	moderate
December Weather	7°C (46°F)	119 mm (4.7 inches)	88%	moderate