May Weather in Olney, United States

Last updated: June 24, 2025

In May, the average temperature in Olney, United States is a pleasant 20°C (68°F). While you can expect minimums dipping to 2°C (36°F), the maximum can reach a sweltering 35°C (95°F). With an average precipitation of 137 mm (5.4 in) spread over 14 days, and an overall humidity level of 80%, this month offers a dynamic climate experience to enjoy!

May Temperature in Olney

In May in Olney, the average temperature is 20°C (68°F), with maximums that can reach 35°C (95°F) and minimums that can drop as low as 2°C (36°F). Be sure to pack both lightweight clothing for warm days and warmer layers for cooler evenings during your travels.

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

The chart illustrates May temperature patterns in Olney, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Olney, May typically has an average temperature of 20°C (68°F), with highs reaching up to 35°C (95°F) and lows dropping to around 2°C (36°F).

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

May Precipitation in Olney

In Olney in May, the precipitation amount is 137 mm (5.4 in) spread over 14 days.

May Precipitation Trends in Olney

The chart displays monthly precipitation patterns in Olney, 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 Olney, May typically receives around 137 mm (5.4 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 Olney

In Olney in May, humidity is 80%. With an average temperature of 20°C (68°F), this humidity feels like traveling through a warm, dense blanket that clings to your skin, making you feel both sticky and lethargic as you explore the sights.

May Average Humidity in Olney

This chart illustrates the average monthly humidity levels in Olney, 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 Olney 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 Olney

In Olney 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 Olney.

Maximum UV Index Levels in Olney for May

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

Data source: Olney 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 Olney Compares to Other Months

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

This table compares monthly weather conditions in Olney, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	1°C (33°F)	91 mm (3.6 inches)	84%	moderate
February Weather	2°C (37°F)	105 mm (4.1 inches)	82%	moderate
March Weather	8°C (47°F)	131 mm (5.2 inches)	84%	high
April Weather	13°C (56°F)	119 mm (4.7 inches)	83%	very high
May Weather	20°C (68°F)	137 mm (5.4 inches)	80%	very high
June Weather	25°C (77°F)	114 mm (4.5 inches)	83%	extreme
July Weather	26°C (80°F)	101 mm (4.0 inches)	82%	very high
August Weather	25°C (77°F)	93 mm (3.7 inches)	82%	very high
September Weather	23°C (73°F)	68 mm (2.7 inches)	79%	very high
October Weather	16°C (60°F)	103 mm (4.1 inches)	79%	high
November Weather	7°C (44°F)	102 mm (4.0 inches)	88%	moderate
December Weather	4°C (39°F)	92 mm (3.6 inches)	87%	moderate