April Weather in Siren, United States

Last updated: June 24, 2025

In April, the average temperature in Siren, United States hovers around 5°C (42°F), with a minimum of -18°C (-1°F) and a peak of 28°C (82°F). Expect 91 mm (3.6 in) of precipitation spread over about 11 days, contributing to an average humidity of 84%. Whether you're bundling up or enjoying milder moments, be prepared for a dynamic month ahead!

April Temperature in Siren

In April in Siren, the average temperature is 5°C (42°F), with maximums reaching up to 28°C (82°F) and minimums dropping as low as -18°C (-1°F). This wide range of temperatures means travelers should be well-prepared for both warm days and chilly nights.

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

The chart illustrates April temperature patterns in Siren, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Siren, April typically has an average temperature of 5°C (42°F), with highs reaching up to 28°C (82°F) and lows dropping to around -18°C (-1°F).

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

April Precipitation in Siren

In Siren in April, the precipitation amount is 91 mm (3.6 in) over a period of 11 days.

April Precipitation Trends in Siren

The chart displays monthly precipitation patterns in Siren, 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 Siren, April typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 11 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 Siren

In Siren in April, humidity is 84%. With an average temperature of 5°C (42°F), this humidity feels like a thick blanket wrapping around you, making every step feel heavier while traveling.

April Average Humidity in Siren

This chart illustrates the average monthly humidity levels in Siren, 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 Siren is approximately 84%, 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 Siren

In Siren in April, 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 Siren.

Maximum UV Index Levels in Siren for April

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

Data source: Siren 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 Siren Compares to Other Months

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

This table compares monthly weather conditions in Siren, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-10°C (15°F)	22 mm (0.9 inches)	87%	low
February Weather	-9°C (16°F)	32 mm (1.3 inches)	90%	moderate
March Weather	0°C (32°F)	48 mm (1.9 inches)	85%	moderate
April Weather	5°C (42°F)	91 mm (3.6 inches)	84%	high
May Weather	14°C (58°F)	107 mm (4.2 inches)	78%	very high
June Weather	21°C (69°F)	90 mm (3.6 inches)	80%	very high
July Weather	22°C (73°F)	100 mm (3.9 inches)	81%	very high
August Weather	21°C (69°F)	126 mm (5.0 inches)	81%	very high
September Weather	17°C (63°F)	97 mm (3.8 inches)	81%	high
October Weather	8°C (47°F)	99 mm (3.9 inches)	84%	moderate
November Weather	0°C (32°F)	40 mm (1.6 inches)	88%	moderate
December Weather	-6°C (22°F)	56 mm (2.2 inches)	84%	low