May Weather in Riverdale, United States

Last updated: June 24, 2025

In May, the average temperature in Riverdale, United States is a pleasant 23°C (74°F). However, temperatures can range significantly, dipping to a chilly 9°C (48°F) at night and soaring up to a blistering 42°C (108°F) during the day. Expect a light drizzle with an average precipitation of 20 mm (0.8 in) over 2 days. The humidity sits comfortably at 58%, making for an inviting climate.

May Temperature in Riverdale

In May in Riverdale, the average temperature is 23°C (74°F), with maximums reaching 42°C (108°F) and minimums dropping as low as 9°C (48°F). This variety in temperature makes Riverdale an ideal destination for travelers seeking both warm days and cooler evenings.

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

The chart illustrates May temperature patterns in Riverdale, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Riverdale, May typically has an average temperature of 23°C (74°F), with highs reaching up to 42°C (108°F) and lows dropping to around 9°C (48°F).

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

May Precipitation in Riverdale

In Riverdale in May, the precipitation amount is 20 mm (0.8 in) over the course of 2 days.

May Precipitation Trends in Riverdale

The chart displays monthly precipitation patterns in Riverdale, 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 Riverdale, May typically receives around 20 mm (0.8 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 Riverdale

In Riverdale in May, humidity is 58%. With an average temperature of 23°C (74°F), this humidity feels like a warm, inviting embrace, making traveling enjoyable yet slightly sticky.

May Average Humidity in Riverdale

This chart illustrates the average monthly humidity levels in Riverdale, 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 Riverdale is approximately 58%, 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 Riverdale

In Riverdale in May, 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 Riverdale.

Maximum UV Index Levels in Riverdale for May

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

Data source: Riverdale 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 Riverdale Compares to Other Months

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

This table compares monthly weather conditions in Riverdale, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (51°F)	64 mm (2.5 inches)	82%	moderate
February Weather	12°C (54°F)	54 mm (2.1 inches)	85%	moderate
March Weather	15°C (58°F)	75 mm (2.9 inches)	80%	very high
April Weather	19°C (66°F)	30 mm (1.2 inches)	72%	very high
May Weather	23°C (74°F)	20 mm (0.8 inches)	58%	very high
June Weather	28°C (83°F)	1 mm (0.0 inches)	49%	extreme
July Weather	32°C (89°F)	0 mm (0.0 inches)	36%	extreme
August Weather	31°C (87°F)	0 mm (0.0 inches)	30%	very high
September Weather	27°C (81°F)	1 mm (0.0 inches)	42%	very high
October Weather	20°C (69°F)	11 mm (0.4 inches)	59%	high
November Weather	14°C (58°F)	29 mm (1.1 inches)	78%	moderate
December Weather	10°C (50°F)	51 mm (2.0 inches)	79%	moderate