May Weather in Vernonia, United States

Last updated: June 24, 2025

In Vernonia, United States, the average temperature in May hovers around 12°C (54°F). However, be prepared for a range: temperatures can dip as low as 1°C (34°F) or soar up to 30°C (87°F). During this month, you can expect 72 mm (2.9 in) of precipitation spread over about 10 days, with average humidity levels at a comfortable 83%.

May Temperature in Vernonia

In May in Vernonia, the average temperature is 12°C (54°F), with a maximum that can reach 30°C (87°F) and a minimum that can be as low as 1°C (34°F). This makes Vernonia an ideal destination for travelers looking to experience a range of climates and enjoy both warm and cooler activities.

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

The chart illustrates May temperature patterns in Vernonia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vernonia, May typically has an average temperature of 12°C (54°F), with highs reaching up to 30°C (87°F) and lows dropping to around 1°C (34°F).

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

May Precipitation in Vernonia

In Vernonia in May, the total precipitation amount is 72 mm (2.9 in) over a span of 10 days.

May Precipitation Trends in Vernonia

The chart displays monthly precipitation patterns in Vernonia, 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 Vernonia, May typically receives around 72 mm (2.9 inches) of precipitation spread over approximately 10 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 Vernonia

In Vernonia in May humidity is 83%. With an average temperature of 12°C (54°F), this humidity feels like a heavy blanket wrapping around you, making outdoor exploration feel sticky and uncomfortable, which can dampen the excitement of traveling.

May Average Humidity in Vernonia

This chart illustrates the average monthly humidity levels in Vernonia, 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 Vernonia is approximately 83%, 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 Vernonia

In Vernonia 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 Vernonia.

Maximum UV Index Levels in Vernonia for May

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

Data source: Vernonia 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 Vernonia Compares to Other Months

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

This table compares monthly weather conditions in Vernonia, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (40°F)	194 mm (7.6 inches)	85%	low
February Weather	4°C (39°F)	180 mm (7.1 inches)	84%	moderate
March Weather	6°C (43°F)	152 mm (6.0 inches)	85%	moderate
April Weather	9°C (48°F)	132 mm (5.2 inches)	83%	high
May Weather	12°C (54°F)	72 mm (2.9 inches)	83%	very high
June Weather	15°C (59°F)	62 mm (2.5 inches)	83%	very high
July Weather	17°C (63°F)	10 mm (0.4 inches)	82%	very high
August Weather	18°C (65°F)	10 mm (0.4 inches)	74%	very high
September Weather	16°C (60°F)	79 mm (3.1 inches)	71%	high
October Weather	10°C (50°F)	119 mm (4.7 inches)	81%	moderate
November Weather	7°C (44°F)	176 mm (6.9 inches)	87%	moderate
December Weather	4°C (39°F)	206 mm (8.1 inches)	87%	low