April Weather in Salem, United States

Last updated: June 24, 2025

In Salem, United States, the average temperature in April hovers around 15°C (59°F), offering a comfortable climate. Fluctuations can be notable, with minimums plummeting to -2°C (29°F) and highs reaching up to 29°C (85°F). Visitors should also prepare for some rain, as 137 mm (5.4 in) of precipitation is expected over 9 days. Humidity levels are typically high at 82%, adding to the overall atmosphere of the region.

April Temperature in Salem

In April in Salem, the average temperature is 15°C (59°F). Maximum temperatures can reach up to 29°C (85°F), while minimums can drop as low as -2°C (29°F). This diverse temperature range makes Salem a versatile travel destination, offering a mix of pleasant warmth and cool experiences.

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

The chart illustrates April temperature patterns in Salem, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Salem, April typically has an average temperature of 15°C (59°F), with highs reaching up to 29°C (85°F) and lows dropping to around -2°C (29°F).

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

April Precipitation in Salem

In Salem in April, the total precipitation amount is 137 mm (5.4 in) over the course of 9 days.

April Precipitation Trends in Salem

The chart displays monthly precipitation patterns in Salem, 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 Salem, April typically receives around 137 mm (5.4 inches) of precipitation spread over approximately 9 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 Salem

In Salem in April, humidity is 82%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sticky and uncomfortable for travelers.

April Average Humidity in Salem

This chart illustrates the average monthly humidity levels in Salem, 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 Salem is approximately 82%, 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 Salem

In Salem 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 Salem.

Maximum UV Index Levels in Salem for April

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

Data source: Salem 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 Salem Compares to Other Months

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

This table compares monthly weather conditions in Salem, 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)	97 mm (3.8 inches)	86%	moderate
February Weather	8°C (46°F)	120 mm (4.7 inches)	85%	high
March Weather	10°C (51°F)	100 mm (3.9 inches)	84%	very high
April Weather	15°C (59°F)	137 mm (5.4 inches)	82%	very high
May Weather	19°C (67°F)	137 mm (5.4 inches)	83%	very high
June Weather	23°C (73°F)	81 mm (3.2 inches)	82%	extreme
July Weather	25°C (78°F)	66 mm (2.6 inches)	80%	extreme
August Weather	24°C (76°F)	95 mm (3.7 inches)	74%	very high
September Weather	22°C (72°F)	128 mm (5.0 inches)	75%	very high
October Weather	17°C (62°F)	151 mm (5.9 inches)	79%	very high
November Weather	9°C (49°F)	84 mm (3.3 inches)	87%	moderate
December Weather	7°C (44°F)	116 mm (4.6 inches)	87%	moderate