April Weather in Salem, United States

Last updated: June 24, 2025

In April, the average temperature in Salem, United States is a pleasant 19°C (66°F), making it an ideal time to visit. However, temperatures can vary significantly, with a minimum of 4°C (39°F) and a maximum of 33°C (92°F). Expect light rainfall, with a total precipitation of 4 mm (0.1 in) spread over just 1 day. The air is comfortably balanced, showcasing an average humidity of 55%.

April Temperature in Salem

In April in Salem, the average temperature is 19°C (66°F). Maximums can reach 33°C (92°F), while minimums can drop as low as 4°C (39°F). Be sure to pack a mix of clothing to enjoy both warm days and cooler nights during your travels!

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 19°C (66°F), with highs reaching up to 33°C (92°F) and lows dropping to around 4°C (39°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 precipitation amount is 4 mm (0.1 in) over the course of 1 day.

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 4 mm (0.1 inches) of precipitation spread over approximately 1 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

April Humidity in Salem

In Salem in April humidity is 55%. With an average temperature of 19°C (66°F), this humidity feels like a gentle warmth wrapping around you, making it comfortable for traveling while allowing you to enjoy the sights without feeling overheated or sweaty.

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 55%, 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 is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For 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 12, which falls under the extreme 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	7°C (45°F)	14 mm (0.6 inches)	79%	moderate
February Weather	9°C (49°F)	18 mm (0.7 inches)	79%	high
March Weather	14°C (57°F)	14 mm (0.6 inches)	65%	very high
April Weather	19°C (66°F)	4 mm (0.1 inches)	55%	extreme
May Weather	23°C (74°F)	4 mm (0.2 inches)	54%	extreme
June Weather	28°C (83°F)	22 mm (0.9 inches)	53%	extreme
July Weather	28°C (83°F)	30 mm (1.2 inches)	55%	extreme
August Weather	28°C (82°F)	27 mm (1.1 inches)	57%	extreme
September Weather	25°C (77°F)	28 mm (1.1 inches)	70%	extreme
October Weather	18°C (65°F)	32 mm (1.3 inches)	75%	very high
November Weather	12°C (55°F)	21 mm (0.8 inches)	83%	high
December Weather	8°C (46°F)	11 mm (0.4 inches)	82%	moderate