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May Weather in Saint Ignatius, United States

Last updated: June 24, 2025

In May, the average temperature in Saint Ignatius, United States hovers around a cool 9°C (49°F). Expect minimums dipping to -5°C (23°F) and highs reaching up to 28°C (83°F). With 97 mm (3.8 in) of precipitation spread across 16 days, you’ll find the air is quite humid, with an average humidity level of 80%.

May Temperature in Saint Ignatius

In May in Saint Ignatius, the average temperature is 9°C (49°F). Maximums can reach 28°C (83°F), while minimums can be as low as -5°C (23°F). Be prepared for both warm and chilly weather during your travels.

May Weather in Saint Ignatius: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Saint Ignatius, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint Ignatius, May typically has an average temperature of 9°C (49°F), with highs reaching up to 28°C (83°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec232031384957676555403226
Data source: Temperature data for Saint Ignatius 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 Saint Ignatius

In Saint Ignatius in May, the total precipitation amount is 97 mm (3.8 in) over the course of 16 days.

May Precipitation Trends in Saint Ignatius

The chart displays monthly precipitation patterns in Saint Ignatius, 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 Saint Ignatius, May typically receives around 97 mm (3.8 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec6311470979784213145889484
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Saint Ignatius

In Saint Ignatius in May, humidity is 80%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and prompting a need for layered clothing to stay comfortable while traveling.

May Average Humidity in Saint Ignatius

This chart illustrates the average monthly humidity levels in Saint Ignatius, 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 Saint Ignatius is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%89%85%80%78%77%66%67%77%89%95%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Saint Ignatius

In Saint Ignatius 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 Saint Ignatius.

Maximum UV Index Levels in Saint Ignatius for May

The chart shows the monthly maximum UV Index (UVI) for Saint Ignatius 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 Saint Ignatius typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24679101098532
Data source: Saint Ignatius 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 Saint Ignatius Compares to Other Months

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

This table compares monthly weather conditions in Saint Ignatius, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)63 mm (2.5 inches)93%low
February Weather-7°C (20°F)114 mm (4.5 inches)92%moderate
March Weather0°C (31°F)70 mm (2.8 inches)89%high
April Weather3°C (38°F)97 mm (3.8 inches)85%high
May Weather9°C (49°F)97 mm (3.8 inches)80%very high
June Weather14°C (58°F)84 mm (3.3 inches)78%very high
July Weather19°C (67°F)21 mm (0.8 inches)77%very high
August Weather18°C (65°F)31 mm (1.2 inches)66%very high
September Weather13°C (55°F)45 mm (1.8 inches)67%very high
October Weather5°C (41°F)88 mm (3.5 inches)77%moderate
November Weather0°C (32°F)94 mm (3.7 inches)89%moderate
December Weather-3°C (26°F)84 mm (3.3 inches)95%low

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