May Weather in Saint Joseph, United States

Last updated: February 24, 2025

May in Saint Joseph, United States is characterized by a blend of mild temperatures and notable precipitation, making it a unique spring month. The maximum temperature can reach a warm 30°C (87°F), while the average sits at a comfortable 14°C (58°F), dipping to a brisk minimum of -1°C (31°F) at times. Rainfall is a significant feature this month, with a total of 168 mm (6.6 in) spread across 15 days, contributing to a humid atmosphere, with relative humidity averaging 81%. This combination of warmth, rain, and humidity creates a vibrant and ever-changing environment, ideal for enjoying the blossoming scenery of early summer.

May Temperature in Saint Joseph

In Saint Joseph, United States, May marks a significant transition into warmer weather, showcasing a delightful shift in temperatures. With average lows hovering around -1°C (31°F), residents can expect a pleasant rise from the chilly grip of early spring. As the month progresses, the average temperature climbs to a comfortable 14°C (58°F), peaking at a balmy 30°C (87°F) on the hottest days. This clear upward trend underscores May as a bridge between the lingering coolness of winter and the embracing warmth of summer, making it an ideal time for outdoor activities as nature bursts into full bloom.

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

The chart illustrates May temperature patterns in Saint Joseph, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec282938465869747367554135
Data source: Temperature data for Saint Joseph 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 Joseph

May in Saint Joseph marks a significant increase in precipitation, with 168 mm (6.6 in) of rain falling over 15 days. This surge is notably higher compared to the preceding months, showcasing a transition into a wetter spring season. April, which also contributed robust rainfall at 108 mm (4.2 in), sets the stage for May's deluge. As temperatures rise and nature bursts into life, May's precipitation not only supports lush greenery but also highlights a pattern of increased moisture leading into summer. In contrast, the drier months that follow—particularly July and August—serve as a reminder of the cyclical nature of rainfall in this region.

May Precipitation Trends in Saint Joseph

The chart displays monthly precipitation patterns in Saint Joseph, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7976871081681339473731457469
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Saint Joseph

In Saint Joseph, United States, May marks a noticeable shift in humidity levels, with the average dropping to 81% from the higher percentages seen in the earlier months of the year. This decline from April’s 87% suggests that the city begins to experience a transition into the drier summer months. As the calendar turns toward June, humidity remains relatively stable at 82%, indicating a subtle consistency in the environment. The trend highlights a seasonal ebb and flow, with late spring offering a brief respite before the summer heat nudges those levels downward further. Overall, May serves as a pivotal month, bridging the damp chill of spring into the warmer, yet still humid, summer season.

May Average Humidity in Saint Joseph

This chart illustrates the average monthly humidity levels in Saint Joseph, with May's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how May's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%86%87%81%82%81%79%78%81%89%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Saint Joseph

May marks a significant uptick in UV exposure in Saint Joseph, with the UV Index soaring to 9, categorized as very high. This increase from April's Index of 8 reflects the transition into late spring, where sun safety becomes crucial, as the burn time shortens to just 15 minutes. Following this trend, June and July maintain the highest levels at 10, emphasizing the peak risk of sunburn during the summer months. As the seasons progress, the UV levels gradually decline, making May a pivotal month for awareness and protection against harmful UV rays. For detailed insights on UV trends throughout the year, consider exploring the Saint Joseph UV Index.

Maximum UV Index Levels in Saint Joseph for May

The chart shows the monthly maximum UV Index (UVI) for Saint Joseph 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.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098642
Data source: Saint Joseph 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.

May Sunshine in Saint Joseph

May in Saint Joseph, United States, shines brightly with 293 hours of sunlight, marking a delightful transition into the warm embrace of summer. This month follows a steady increase from the relatively dull January with only 94 hours, gradually climbing to reach 245 hours in April. As the days lengthen and blooms burst into color, May stands out as a vibrant peak before the sunniest month, June, which boasts an impressive 331 hours. This trend illustrates not just the awakening of nature but also invites residents and visitors alike to revel in outdoor activities under the brilliant May sky. With each month, the creeping increase in sunlight hours underscores the gradual shift toward longer, sunnier days, making May a cherished time for all to enjoy.

Monthly Sunshine Duration in Saint Joseph: May Highlighted

The May sunshine duration represents the total number of hours Saint Joseph experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec94h157h235h245h293h331h358h341h288h218h167h148h
Data source: Saint Joseph May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Saint Joseph During May

In May, the likelihood of sunny weather in Saint Joseph, United States reflects a promising trend as spring transitions into summer. With a 37% chance of sun, May sees a moderate increase from the previous months, though it lags behind the sunnier months of June and July, which enjoy 44% and 46% respectively. This uptick is part of a broader pattern: after the relatively brisk March at 48%, April follows closely with 42%, hinting at brighter days ahead. Despite a slight dip in May, the overall trajectory indicates an increasing opportunity for pleasant weather as residents gear up for summer activities.

Percentage of Sunny Days in May in Saint Joseph

The chart illustrates the percentage of sunny days in Saint Joseph throughout the year, with May highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Saint Joseph experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec18%20%48%42%37%44%46%48%56%32%33%28%
Data source: Saint Joseph May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Saint Joseph in May

As spring transitions into summer, Saint Joseph, United States experiences a noticeable increase in daylight duration. In May, the days extend to an energizing 14 hours, a significant jump from 13 hours in April. This upward trend continues into June, where daylight peaks at 15 hours, providing ample time for outdoor activities and enjoyment of the season. Following July, daylight begins to taper off, with August bringing 13 hours and a gradual descent into the shorter days of fall. Overall, the progression from winter's brevity to the generous light of late spring and summer underscores the seasonal rhythm that characterizes this charming Midwestern city.

Average Daylight Hours in Saint Joseph for May

The chart illustrates the variation in daylight duration in Saint Joseph throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 30m10h 35m11h 58m13h 22m14h 34m15h 9m14h 50m13h 46m12h 25m11h 1m9h 47m9h 10m
Data source: Saint Joseph daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Saint Joseph

In Saint Joseph, the wind in May tends to be gentle, with an average speed of 3.8 m/s (about 9 mph), slightly lower than April's breezy 3.9 m/s. This month marks a subtle transition as the winds begin to ease into the summer months. Interestingly, after a steady climb in January through March, the wind speeds dip in both May and June, reaching their annual lows. Meanwhile, the autumn months promise a revival, with November showcasing the strongest gusts at an invigorating 5.4 m/s. As spring unfolds, residents can expect a refreshing yet tranquil May breeze that heralds the warmer days ahead.

Average May Wind Speed in Saint Joseph

The chart displays monthly wind speed patterns in Saint Joseph, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.24.74.83.93.8 m/s3.53.43.04.34.25.45.1
Data source: Saint Joseph May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Saint Joseph Compares to Other Months

The weather in Saint Joseph changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of May's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Saint Joseph and find detailed weather information for every month.

May and January present starkly contrasting weather conditions. In May, temperatures range from a chilly minimum of -1°C (31°F) to a warm maximum of 30°C (87°F), with an average temperature of 14°C (58°F). The month experiences substantial rainfall, with 168 mm (6.6 in) of precipitation over 15 days, contributing to a humidity level of 81%.

In contrast, January features much colder temperatures, with a minimum of -25°C (-13°F) and a maximum of 14°C (58°F), averaging around -2°C (29°F). Precipitation is significantly lower at 79 mm (3.1 in) spread over 13 days, and the humidity level hovers at 85%.

For a detailed look at January weather in Saint Joseph, check out Saint Joseph weather in January.

In comparing the weather in May and February, significant differences emerge in both temperature and precipitation. May experiences a broader temperature range, with minimums of -1°C (31°F) and maximums that can reach up to 30°C (87°F), averaging around 14°C (58°F). In contrast, February remains much colder, with minimums dropping to -21°C (-6°F) and maximums peaking at only 16°C (61°F), averaging a chilly -1°C (30°F). While May sees higher precipitation levels at 168 mm (6.6 in) over approximately 15 days, February records less rainfall at 76 mm (3.0 in) across 13 days. Humidity levels are relatively similar, with May at 81% and February at 85%. For a more detailed insight into February's climate, you can visit Saint Joseph weather in February.

When comparing the weather in May and March, we notice significant differences in temperature and precipitation. May brings milder conditions with average temperatures reaching 14°C (58°F) and maximums soaring up to 30°C (87°F), while March is much colder, averaging just 3°C (38°F) and peaking at 21°C (70°F). In terms of precipitation, May experiences more rain, with 168 mm (6.6 in) falling over 15 days, compared to March's 87 mm (3.4 in) over 12 days. However, both months have relatively high humidity levels, with March at 86% and May slightly lower at 81%. For more detailed information, visit Saint Joseph weather in March.

In comparing the weather of May and April, we see a notable increase in average temperatures. May experiences a minimum of -1°C (31°F) and an average of 14°C (58°F), peaking at a warm 30°C (87°F), while April's temperatures range from a cooler minimum of -5°C (24°F) to an average of 8°C (46°F), with a maximum of 26°C (78°F). Precipitation is more substantial in May, totaling 168 mm (6.6 in) over 15 days, compared to April's 108 mm (4.2 in) over 14 days. Despite the lower average temperatures in April, it has a slightly higher humidity at 87% versus May's 81%. For more detailed insights about April's weather, you can visit Saint Joseph weather in April.

May and June exhibit notable differences in weather patterns. In May, temperatures can drop to a chilly -1°C (31°F) at night, with an average temperature of 14°C (58°F) and highs reaching 30°C (87°F). This month also experiences significant precipitation, with 168 mm (6.6 in) falling over 15 days, and humidity levels remain high at 81%. In contrast, June shows a marked rise in overnight temperatures, with a minimum of 10°C (51°F) and an average of 21°C (69°F). The maximum temperature stays relatively warm, peaking at 31°C (89°F). Rainfall decreases slightly to 133 mm (5.2 in) spread over 12 days, while humidity remains similar at 82%. For more detailed insights into June weather, visit Saint Joseph weather in June.

In comparing the weather between May and July, we see distinct differences in temperature and precipitation. May experiences a broader temperature range with a minimum of -1°C (31°F) and a maximum of 30°C (87°F), averaging around 14°C (58°F). This month is also characterized by more substantial rainfall, totaling 168 mm (6.6 in) over approximately 15 days, maintaining a humidity level of 81%. In contrast, July is warmer, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 32°C (90°F) and an average temperature of 23°C (74°F). Precipitation decreases significantly to 93 mm (3.7 in) over 11 days, while humidity remains consistent at 81%. For more details on July's weather, check out Saint Joseph weather in July.

May and August present quite contrasting weather conditions. In May, temperatures can range from a chilly minimum of -1°C (31°F) to a warm maximum of 30°C (87°F), with an average of 14°C (58°F). The month also tends to be quite wet, receiving a total precipitation of 168 mm (6.6 in) over approximately 15 days, combined with high humidity levels of 81%. In contrast, August offers a more stable climate, with temperatures varying from a minimum of 12°C (54°F) to a maximum of 31°C (89°F) and an average of 23°C (73°F). The precipitation drops significantly to 73 mm (2.9 in) spread over about 10 days, while humidity remains slightly lower at 79%. For more details, check out Saint Joseph weather in August.

In comparing the weather of May and September, it becomes evident that both months offer distinct experiences. May typically sees a wide temperature range with a minimum of -1°C (31°F) and a maximum reaching up to 30°C (87°F), resulting in an average temperature of around 14°C (58°F). This month is characterized by high humidity at 81% and frequent rainfall, with 168 mm (6.6 in) of precipitation over 15 days.

In contrast, September generally provides milder and more stable weather, featuring a minimum temperature of 6°C (43°F), an average of 20°C (68°F), and a maximum of 32°C (90°F). Rainfall is substantially reduced, with only 73 mm (2.9 in) over about 8 days, and humidity slightly lowers to 78%. For those seeking a detailed look into September weather, Saint Joseph weather in September offers further insights.

May and October present distinct but somewhat comparable weather patterns. In May, temperatures can range from a chilly -1°C (31°F) at night to a warm 30°C (87°F) during the day, with an average temperature of 14°C (58°F). The month sees significant precipitation, totaling 168 mm (6.6 in) over approximately 15 days, alongside high humidity levels of 81%. In contrast, October generally experiences milder temperatures with a minimum of 1°C (34°F) and a maximum of 29°C (84°F), averaging at 13°C (56°F). The precipitation is slightly lower at 145 mm (5.7 in) across the same number of days, yet the humidity remains constant at 81%. For more details on October weather, visit Saint Joseph weather in October.

May and November present strikingly different weather patterns. In May, temperatures range from a chilly minimum of -1°C (31°F) to a warm maximum of 30°C (87°F), with an average of 14°C (58°F). The month also sees significant precipitation, totaling 168 mm (6.6 in) over about 15 days, coupled with high humidity at 81%. In contrast, November experiences colder temperatures, with a minimum of -9°C (17°F) and a maximum of 22°C (72°F), resulting in an average temperature of just 5°C (41°F). Precipitation is lower, at 74 mm (2.9 in) across about 10 days, while humidity rises slightly to 89%. For more details on weather conditions specific to this month, check out Saint Joseph weather in November.

When comparing the weather of May and December, it's evident that these months present drastically different climates. May features a minimum temperature of -1°C (31°F) and an average of 14°C (58°F), boasting a maximum temperature that can reach as high as 30°C (87°F). This month also experiences significant precipitation totaling 168 mm (6.6 in) over about 15 days, accompanied by relatively high humidity at 81%. In contrast, December sees much colder temperatures, with a minimum of -17°C (2°F), an average of only 2°C (35°F), and a maximum of 16°C (61°F). Precipitation in December is lower, at 69 mm (2.7 in) over about 11 days, with humidity slightly higher at 86%. For a closer look at the unique weather conditions during December, visit Saint Joseph weather in December.

Compare Saint Joseph's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Saint Joseph

As May unfolds in Saint Joseph, the weather shifts dramatically from the chill of earlier months, offering a refreshing taste of spring. With temperatures seeing a pleasant rise, the warmth beckons outdoor activities and gatherings, although occasional rain showers remind us that April's showers can linger. The humidity makes the air feel richer, contributing to the vibrant bloom of nature all around. Unlike the colder past months, the mix of refreshing breezes and blooming landscapes in May truly invigorates the senses. For a detailed overview of how the climate evolves throughout the year, visit Saint Joseph Climate.