May Weather in Jasper, United States

Last updated: June 24, 2025

In Jasper, United States, the average temperature in May is a mild 15°C (58°F), with minimums dipping as low as -2°C (28°F) and soaring to a maximum of 33°C (92°F). Expect around 121 mm (4.8 in) of precipitation spread over 14 days, contributing to an average humidity of 74%. Prepare for a blend of refreshing weather and occasional rain!

May Temperature in Jasper

In May in Jasper, the average temperature is 15°C (58°F). Maximum temperatures can reach up to 33°C (92°F), while minimum temperatures can drop as low as -2°C (28°F). This varied climate means that travelers should be prepared for both warm days and chilly nights.

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

The chart illustrates May temperature patterns in Jasper, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jasper, May typically has an average temperature of 15°C (58°F), with highs reaching up to 33°C (92°F) and lows dropping to around -2°C (28°F).

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

May Precipitation in Jasper

In Jasper in May, the precipitation amount is 121 mm (4.8 in) over a span of 14 days.

May Precipitation Trends in Jasper

The chart displays monthly precipitation patterns in Jasper, 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 Jasper, May typically receives around 121 mm (4.8 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 Jasper

In Jasper in May, humidity is 74%. With an average temperature of 15°C (58°F), this humidity feels like a warm, enveloping blanket, making travel feel both refreshing yet slightly sticky, encouraging you to seek the shade or enjoy water-based activities.

May Average Humidity in Jasper

This chart illustrates the average monthly humidity levels in Jasper, 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 Jasper is approximately 74%, 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 Jasper

In Jasper 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 Jasper.

Maximum UV Index Levels in Jasper for May

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

Data source: Jasper 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 Jasper Compares to Other Months

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

This table compares monthly weather conditions in Jasper, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (19°F)	22 mm (0.9 inches)	80%	low
February Weather	-8°C (19°F)	24 mm (0.9 inches)	84%	moderate
March Weather	1°C (34°F)	61 mm (2.4 inches)	75%	moderate
April Weather	6°C (44°F)	74 mm (2.9 inches)	79%	very high
May Weather	15°C (58°F)	121 mm (4.8 inches)	74%	very high
June Weather	22°C (72°F)	94 mm (3.7 inches)	81%	extreme
July Weather	23°C (74°F)	91 mm (3.6 inches)	82%	very high
August Weather	21°C (71°F)	102 mm (4.0 inches)	80%	very high
September Weather	18°C (65°F)	109 mm (4.3 inches)	75%	very high
October Weather	8°C (48°F)	80 mm (3.2 inches)	77%	moderate
November Weather	1°C (34°F)	26 mm (1.0 inches)	85%	moderate
December Weather	-4°C (26°F)	37 mm (1.5 inches)	83%	moderate