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May Weather in Spirit Lake, United States

Last updated: June 24, 2025

In May, the average temperature in Spirit Lake, United States hovers around 15°C (59°F), with fluctuations that can dip to a chilly 0°C (33°F) or soar to a warm 35°C (94°F). Expect 136 mm (5.4 in) of precipitation spread over 15 days, and feel the 74% average humidity in the air. It's a month of weather contrasts that keeps you on your toes!

May Temperature in Spirit Lake

In May in Spirit Lake, the average temperature is 15°C (59°F). The maximum can reach 35°C (94°F), while the minimum can drop as low as 0°C (33°F). Be sure to pack for a range of temperatures when traveling to Spirit Lake during this time!

May Weather in Spirit Lake: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Spirit Lake, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Spirit Lake, May typically has an average temperature of 15°C (59°F), with highs reaching up to 35°C (94°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec181834445972747165483526
Data source: Temperature data for Spirit Lake 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 Spirit Lake

In Spirit Lake in May, the precipitation amount is 136 mm (5.4 in) over a period of 15 days.

May Precipitation Trends in Spirit Lake

The chart displays monthly precipitation patterns in Spirit Lake, 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 Spirit Lake, May typically receives around 136 mm (5.4 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec3235709513612990113114943242
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Spirit Lake

In Spirit Lake in May, humidity is 74%. With an average temperature of 15°C (59°F), this humidity feels like traveling through a warm, sticky blanket that clings to your skin, making outdoor activities a bit uncomfortable and prompting you to seek out shaded areas or cool breezes.

May Average Humidity in Spirit Lake

This chart illustrates the average monthly humidity levels in Spirit Lake, 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 Spirit Lake is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%84%75%79%74%81%82%80%75%77%85%83%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Spirit Lake

In Spirit Lake 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 Spirit Lake.

Maximum UV Index Levels in Spirit Lake for May

The chart shows the monthly maximum UV Index (UVI) for Spirit Lake 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 Spirit Lake typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35689111098533
Data source: Spirit Lake 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 Spirit Lake Compares to Other Months

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

This table compares monthly weather conditions in Spirit Lake, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (18°F)32 mm (1.3 inches)80%moderate
February Weather-8°C (18°F)35 mm (1.4 inches)84%moderate
March Weather1°C (34°F)70 mm (2.7 inches)75%high
April Weather7°C (45°F)95 mm (3.8 inches)79%very high
May Weather15°C (59°F)136 mm (5.4 inches)74%very high
June Weather22°C (72°F)129 mm (5.1 inches)81%extreme
July Weather23°C (74°F)90 mm (3.5 inches)82%very high
August Weather21°C (71°F)113 mm (4.4 inches)80%very high
September Weather18°C (65°F)114 mm (4.5 inches)75%very high
October Weather9°C (49°F)94 mm (3.7 inches)77%moderate
November Weather1°C (35°F)32 mm (1.3 inches)85%moderate
December Weather-3°C (26°F)42 mm (1.6 inches)83%moderate

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