May Weather in Webster, United States

Last updated: June 24, 2025

In May, the average temperature in Webster, United States hovers around 13°C (56°F). While the weather can be quite variable, expect minimum temperatures dropping to -2°C (28°F) and peaking at a warm 33°C (92°F). Be prepared for some rain, as precipitation averages 74 mm (2.9 in) over 9 days during this month, and with an average humidity of 76%, it’s advisable to stay hydrated and dress accordingly!

May Temperature in Webster

In May in Webster, the average temperature is 13°C (56°F). Maximum temperatures can reach 33°C (92°F), while minimums can drop as low as -2°C (28°F). Be prepared for a wide range of temperatures during your visit.

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

The chart illustrates May temperature patterns in Webster, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Webster, May typically has an average temperature of 13°C (56°F), with highs reaching up to 33°C (92°F) and lows dropping to around -2°C (28°F).

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

May Precipitation in Webster

In Webster in May, the precipitation amount is 74 mm (2.9 in), which occurs over a span of 9 days.

May Precipitation Trends in Webster

The chart displays monthly precipitation patterns in Webster, 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 Webster, May typically receives around 74 mm (2.9 inches) of precipitation spread over approximately 9 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 Webster

In Webster in May humidity is 76%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket enveloping you, making travel a bit uncomfortable as you navigate through the heavy, moisture-laden air.

May Average Humidity in Webster

This chart illustrates the average monthly humidity levels in Webster, 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 Webster is approximately 76%, 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 Webster

In Webster 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 Webster.

Maximum UV Index Levels in Webster for May

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

Data source: Webster 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 Webster Compares to Other Months

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

This table compares monthly weather conditions in Webster, 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 (14°F)	20 mm (0.8 inches)	81%	moderate
February Weather	-11°C (13°F)	16 mm (0.6 inches)	85%	moderate
March Weather	-1°C (30°F)	40 mm (1.6 inches)	76%	high
April Weather	4°C (40°F)	59 mm (2.3 inches)	79%	high
May Weather	13°C (56°F)	74 mm (2.9 inches)	76%	very high
June Weather	20°C (69°F)	79 mm (3.1 inches)	81%	very high
July Weather	23°C (73°F)	77 mm (3.0 inches)	82%	very high
August Weather	21°C (69°F)	103 mm (4.1 inches)	82%	very high
September Weather	17°C (62°F)	87 mm (3.4 inches)	77%	very high
October Weather	7°C (45°F)	81 mm (3.2 inches)	76%	moderate
November Weather	0°C (32°F)	22 mm (0.9 inches)	84%	moderate
December Weather	-5°C (23°F)	34 mm (1.3 inches)	81%	low