April Weather in Summerland, United States

Last updated: June 24, 2025

In April, the average temperature in Summerland, United States is a comfortable 15°C (60°F). Expect a range that swings from a chilly 4°C (39°F) to a warm 31°C (89°F). With a total precipitation of 23 mm (0.9 in) over just 2 days, the air tends to hold a modest 68% humidity, making it a perfect time to explore!

April Temperature in Summerland

In April in Summerland, the average temperature is 15°C (60°F), with maximums reaching up to 31°C (89°F) and minimums dropping as low as 4°C (39°F). It's a great time to visit for those who enjoy mild weather with the potential for warm days and cool nights.

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

The chart illustrates April temperature patterns in Summerland, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Summerland, April typically has an average temperature of 15°C (60°F), with highs reaching up to 31°C (89°F) and lows dropping to around 4°C (39°F).

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

April Precipitation in Summerland

In Summerland in April, the precipitation amount is 23 mm (0.9 in) over a span of 2 days.

April Precipitation Trends in Summerland

The chart displays monthly precipitation patterns in Summerland, 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 Summerland, April typically receives around 23 mm (0.9 inches) of precipitation spread over approximately 2 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 Summerland

In Summerland in April humidity is 68%. With an average temperature of 15°C (60°F), this humidity feels like a warm blanket enveloping you, making it comfortable for leisurely strolls but slightly sticky if you're engaging in more strenuous activities while traveling.

April Average Humidity in Summerland

This chart illustrates the average monthly humidity levels in Summerland, 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 Summerland is approximately 68%, 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 Summerland

In Summerland 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 Summerland.

Maximum UV Index Levels in Summerland for April

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

Data source: Summerland 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 Summerland Compares to Other Months

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

This table compares monthly weather conditions in Summerland, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	11°C (52°F)	87 mm (3.4 inches)	78%	moderate
February Weather	11°C (52°F)	75 mm (3.0 inches)	82%	high
March Weather	12°C (54°F)	81 mm (3.2 inches)	75%	very high
April Weather	15°C (60°F)	23 mm (0.9 inches)	68%	very high
May Weather	17°C (63°F)	16 mm (0.6 inches)	57%	extreme
June Weather	20°C (69°F)	3 mm (0.1 inches)	52%	extreme
July Weather	23°C (73°F)	1 mm (0.1 inches)	46%	extreme
August Weather	23°C (74°F)	2 mm (0.1 inches)	39%	extreme
September Weather	21°C (70°F)	2 mm (0.1 inches)	48%	very high
October Weather	18°C (65°F)	10 mm (0.4 inches)	59%	high
November Weather	15°C (58°F)	20 mm (0.8 inches)	72%	moderate
December Weather	11°C (52°F)	58 mm (2.3 inches)	76%	moderate