May Weather in Summerland, United States

Last updated: June 24, 2025

In Summerland, United States, the average temperature in May hovers around 17°C (63°F), with a minimum dipping to 6°C (44°F) and a maximum reaching 31°C (88°F). Expect 16 mm (0.6 in) of precipitation over about 2 days, paired with an average humidity of 57%. Enjoy a balanced climate that invites exploration and relaxation!

May Temperature in Summerland

In May in Summerland, the average temperature is 17°C (63°F). Maximum temperatures can reach up to 31°C (88°F), while the minimum can drop as low as 6°C (44°F). This diverse temperature range makes Summerland a perfect destination for travelers seeking both warm days and cooler evenings.

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

The chart illustrates May 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, May typically has an average temperature of 17°C (63°F), with highs reaching up to 31°C (88°F) and lows dropping to around 6°C (44°F).

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

May Precipitation in Summerland

In Summerland in May, the precipitation amount is 16 mm (0.6 in) over a period of 2 days.

May Precipitation Trends in Summerland

The chart displays monthly precipitation patterns in Summerland, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Summerland, May typically receives around 16 mm (0.6 inches) of precipitation spread over approximately 2 days.

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

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Millimeters (mm) Inches (in)

May Humidity in Summerland

In Summerland in May, humidity is 57%. With an average temperature of 17°C (63°F), this humidity feels like a refreshing yet slightly damp embrace, making it comfortable for traveling while inviting you to explore the serene surroundings without the sweltering heat.

May Average Humidity in Summerland

This chart illustrates the average monthly humidity levels in Summerland, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Summerland is approximately 57%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Summerland

In Summerland in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Summerland.

Maximum UV Index Levels in Summerland for May

The chart shows the monthly maximum UV Index (UVI) for Summerland in May, 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 May, the maximum UV index in Summerland typically reaches 11, which falls under the extreme exposure category.

Data source: Summerland May 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 May 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 May’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 May’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