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May Weather in Jasper, United States

Last updated: June 24, 2025

In May, the average temperature in Jasper, United States hovers around 20°C (68°F), with extremes ranging from a chilly 1°C (35°F) to a warm 34°C (93°F). Visitors can expect approximately 143 mm (5.6 in) of precipitation over 14 days, combined with a notable average humidity of 79%. Enjoy the varied climate and prepare for a blend of sunny days and refreshing showers!

May Temperature in Jasper

In May in Jasper, the average temperature is 20°C (68°F). Maximum temperatures can reach 34°C (93°F), while minimums can drop as low as 1°C (35°F). This variation makes it essential for travelers to pack a mix of clothing for both warm and cool conditions.

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 20°C (68°F), with highs reaching up to 34°C (93°F) and lows dropping to around 1°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec343847566876797772604440
Data source: Temperature data for Jasper 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 Jasper

In Jasper in May, the total precipitation amount is 143 mm (5.6 in), spread over a duration 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 143 mm (5.6 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec9011915012714313779888110797107
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Jasper

In Jasper in May humidity is 79%. With an average temperature of 20°C (68°F), this humidity feels like a warm, enveloping blanket that clings to the skin, making outdoor activities feel more strenuous and prompting the need for frequent breaks and hydration while traveling.

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 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%86%84%79%82%79%70%69%76%88%87%
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 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 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 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3571010111099643
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.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)90 mm (3.5 inches)87%moderate
February Weather3°C (38°F)119 mm (4.7 inches)85%moderate
March Weather8°C (47°F)150 mm (5.9 inches)86%high
April Weather13°C (56°F)127 mm (5.0 inches)84%very high
May Weather20°C (68°F)143 mm (5.6 inches)79%very high
June Weather24°C (76°F)136 mm (5.4 inches)82%extreme
July Weather26°C (79°F)79 mm (3.1 inches)79%very high
August Weather25°C (77°F)88 mm (3.5 inches)70%very high
September Weather22°C (72°F)81 mm (3.2 inches)69%very high
October Weather16°C (61°F)107 mm (4.2 inches)76%high
November Weather7°C (45°F)96 mm (3.8 inches)88%moderate
December Weather4°C (40°F)107 mm (4.2 inches)87%moderate

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