May Weather in Elgin, United States

Last updated: June 24, 2025

In May, the average temperature in Elgin, United States hovers around 15°C (60°F), with a range that can dip to a chilly 0°C (32°F) and peak at a warm 34°C (94°F). Expect about 150 mm (5.9 in) of precipitation spread across 14 days, contributing to an average humidity level of 80%. Stay prepared for a mix of wet and warm days!

May Temperature in Elgin

In May in Elgin, the average temperature is 15°C (60°F). Maximums can reach 34°C (94°F), and minimums can drop as low as 0°C (32°F). This wide range of temperatures makes Elgin an ideal destination for travelers seeking a mix of warm days and cooler nights.

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

The chart illustrates May temperature patterns in Elgin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Elgin, May typically has an average temperature of 15°C (60°F), with highs reaching up to 34°C (94°F) and lows dropping to around 0°C (32°F).

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

May Precipitation in Elgin

In Elgin in May, the total precipitation amount is 150 mm (5.9 in), occurring over a span of 14 days.

May Precipitation Trends in Elgin

The chart displays monthly precipitation patterns in Elgin, 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 Elgin, May typically receives around 150 mm (5.9 inches) of precipitation spread over approximately 14 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 Elgin

In Elgin in May humidity is 80%. With an average temperature of 15°C (60°F), this humidity feels like a warm, sticky embrace that can make even the simplest stroll feel like a workout, leaving travelers yearning for a refreshing breeze or shade to escape the weight of the air.

May Average Humidity in Elgin

This chart illustrates the average monthly humidity levels in Elgin, 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 Elgin is approximately 80%, 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 Elgin

In Elgin in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Elgin.

Maximum UV Index Levels in Elgin for May

The chart shows the monthly maximum UV Index (UVI) for Elgin 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 Elgin typically reaches 9, which falls under the very high exposure category.

Data source: Elgin 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 Elgin Compares to Other Months

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

This table compares monthly weather conditions in Elgin, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (24°F)	25 mm (1.0 inches)	73%	moderate
February Weather	-5°C (24°F)	24 mm (0.9 inches)	81%	moderate
March Weather	3°C (38°F)	87 mm (3.4 inches)	69%	high
April Weather	8°C (47°F)	70 mm (2.7 inches)	71%	very high
May Weather	15°C (60°F)	150 mm (5.9 inches)	80%	very high
June Weather	23°C (73°F)	93 mm (3.7 inches)	83%	extreme
July Weather	24°C (76°F)	93 mm (3.6 inches)	84%	very high
August Weather	23°C (73°F)	89 mm (3.5 inches)	84%	very high
September Weather	19°C (67°F)	64 mm (2.5 inches)	77%	very high
October Weather	10°C (50°F)	85 mm (3.4 inches)	72%	high
November Weather	3°C (38°F)	24 mm (0.9 inches)	80%	moderate
December Weather	-2°C (29°F)	43 mm (1.7 inches)	79%	low