May Weather in Webster, United States

Last updated: June 24, 2025

In Webster, United States, the average temperature in May hovers around 25°C (78°F), making it a delightful time of year. Expect a range of 12°C (54°F) to a sizzling 36°C (98°F), so be prepared for some temperature swings. Rainfall is moderate, with an average of 108 mm (4.2 in) spread across 10 days, and you'll likely feel the balmy 68% humidity in the air.

May Temperature in Webster

In May in Webster, the average temperature is 25°C (78°F), with maximums reaching up to 36°C (98°F) and minimums dropping as low as 12°C (54°F). This pleasant climate makes it an ideal time for travelers to enjoy outdoor activities and explore all that Webster has to offer.

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 25°C (78°F), with highs reaching up to 36°C (98°F) and lows dropping to around 12°C (54°F).
JanFebMarAprMayJunJulAugSepOctNovDec606668737880818281776863
Data source: Temperature data for Webster generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Webster

In Webster in May, the precipitation amount is 108 mm (4.2 in) distributed over a duration of 10 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 108 mm (4.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec43591975108211240227182794971
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Webster

In Webster in May, humidity is 68%. With an average temperature of 25°C (78°F), this humidity feels like a warm blanket enveloping you, making outdoor activities feel a bit more intense and sticky, but still manageable for traveling if you stay hydrated and take breaks in the shade.

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 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%80%75%70%68%75%80%81%83%81%82%84%
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 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 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 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111112121111975
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.
 TemperaturePrecipitationHumidityUV
January Weather15°C (60°F)43 mm (1.7 inches)83%moderate
February Weather19°C (66°F)59 mm (2.3 inches)80%very high
March Weather20°C (68°F)19 mm (0.7 inches)75%very high
April Weather23°C (73°F)75 mm (3.0 inches)70%extreme
May Weather25°C (78°F)108 mm (4.2 inches)68%extreme
June Weather27°C (81°F)211 mm (8.3 inches)75%extreme
July Weather27°C (81°F)240 mm (9.5 inches)79%extreme
August Weather28°C (82°F)227 mm (9.0 inches)81%extreme
September Weather27°C (81°F)182 mm (7.2 inches)83%extreme
October Weather25°C (77°F)79 mm (3.1 inches)81%very high
November Weather20°C (68°F)49 mm (1.9 inches)82%high
December Weather17°C (63°F)71 mm (2.8 inches)84%moderate

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