March Weather in Grant Park, United States

Last updated: February 24, 2025

March in Grant Park, United States, presents a dynamic range of weather that captivates residents and visitors alike. With a maximum temperature reaching a pleasant 26°C (80°F) and a minimum dipping to a brisk -18°C (-1°F), the month showcases the transition from winter chill to early spring warmth. On average, temperatures hover around 5°C (41°F), creating a varied climate that can surprise even the most seasoned weather watchers. March also brings 95 mm (3.7 in) of precipitation over 12 days, resulting in a relatively high humidity level of 84%. This combination of warm days, cool nights, and occasional rain offers a unique and refreshing atmosphere, making it an intriguing time to explore the beauty of Grant Park.

March Temperature in Grant Park

March in Grant Park reveals a striking transition as winter cedes to spring, with temperatures showcasing a notable upward trend. Minimum temperatures rise to -18°C (1°F), indicating a significant warming from the frigid depths of winter, while average temperatures climb to a comfortable 5°C (41°F). The maximum temperature can reach a pleasant 26°C (80°F), hinting at the season's potential for warmer days. This shift not only highlights the melting away of snow but also hints at the blossoming beauty of nature, inviting outdoor enthusiasts to embrace the emerging warmth and vibrant atmosphere that March has to offer. The month acts as a precursor to the much milder conditions that spring and summer will bring, making it a time of renewal and rejuvenation in Grant Park.

March Weather in Grant Park: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Grant Park, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec272940506273767368554034
Data source: Temperature data for Grant Park 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.

March Precipitation in Grant Park

March ushers in a notable increase in precipitation for Grant Park, with 95 mm (3.7 inches) of rain recorded over 12 days. This marks a significant rise from February's 71 mm (2.8 inches) spread across 10 days, indicating a transitional shift as spring approaches. This upward trend in rainfall continues into April, where totals further escalate to 120 mm (4.7 inches). The consistent increase in both precipitation amounts and rainy days highlights March as a pivotal month, setting the stage for the wetter months ahead, especially considering the peak precipitation in May at 161 mm (6.3 inches). As temperatures rise and the landscape awakens, these spring rains play a crucial role in rejuvenating the environment, preparing it for the lush growth that follows.

March Precipitation Trends in Grant Park

The chart displays monthly precipitation patterns in Grant Park, with values for each month alongside March's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec6971951201611249892771356459
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Grant Park

In March, Grant Park experiences an average humidity of 84%, a slight increase from the previous months, which reflects a gradual upward trend as winter fades and spring begins to take hold. This rising humidity hints at the transition to a more temperate climate, setting the stage for the vibrant blooms of April, which sees an even higher level of 85% moisture in the air. Interestingly, while March's humidity is relatively comfortable, the following months typically bring a mix of fluctuating levels, with a noticeable dip in May to 79%. Overall, the steady rise from the depths of winter suggests an invigorating shift towards warmer and more humid days ahead in Grant Park.

March Average Humidity in Grant Park

This chart illustrates the average monthly humidity levels in Grant Park, with March's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how March's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec82%83%84%85%79%82%80%81%80%82%88%84%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Grant Park

As March unfolds in Grant Park, the UV Index rises to 6, transitioning from a moderate exposure category to high. This trend marks a notable increase in sunlight intensity compared to the previous months, with a quicker burn time of just 25 minutes. Following the pattern, as spring progresses into April, Grant Park will experience even higher UV levels, reaching 9 with a significantly reduced burn time of 15 minutes. This upward trajectory emphasizes the importance of sun protection strategies as warmer days approach. For more detailed information on UV levels throughout the year, check out Grant Park UV Index.

Maximum UV Index Levels in Grant Park for March

The chart shows the monthly maximum UV Index (UVI) for Grant Park in March, 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.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Grant Park March 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.

March Sunshine in Grant Park

As March unfolds in Grant Park, the sun begins to reclaim its place in the sky, heralding brighter days ahead. The month boasts 226 hours of sunshine, showcasing a notable increase from 172 hours in February. This upward trajectory not only enhances the park's vibrant atmosphere but also sets a lively tone for the spring season. Following March, the sunshine continues to strengthen, peaking in July with an impressive 353 hours, before gradually transitioning towards the cooler months. This trend highlights the seasonal rhythm of light, as Grant Park thrives under the sun's warm embrace, inviting visitors to bask in its beauty as the daylight hours steadily grow.

Monthly Sunshine Duration in Grant Park: March Highlighted

The March sunshine duration represents the total number of hours Grant Park experiences direct sunlight during the month of March, excluding cloudy or obstructed periods. This chart compares the sunshine duration of March with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec116h172h226h244h284h329h353h334h287h223h189h179h
Data source: Grant Park March Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Grant Park During March

In Grant Park, United States, the likelihood of sunny weather begins to bloom in March, with a notable chance of 45%, marking a significant increase from the chillier winter months. This rise hints at the arrival of spring, contrasting with January's modest 25% and February's 31%. However, the sunny trend doesn’t stop here; April sees a slight dip to 40%, while May and June maintain a steady range around 33-42%. Interestingly, the summer months linger with a consistent 43-45% chance, mirroring the sun-soaked optimism of September, which boasts the highest likelihood at 59%. Overall, March serves as a promising transition into sunnier days, reflecting the seasonal shift toward bright and inviting weather.

Percentage of Sunny Days in March in Grant Park

The chart illustrates the percentage of sunny days in Grant Park throughout the year, with March 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 Grant Park experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec25%31%45%40%33%42%43%45%59%33%46%38%
Data source: Grant Park March chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Grant Park in March

As March unfolds in Grant Park, the days grow noticeably longer, ushering in an average of 11 hours of daylight. This marks a significant increase from February's 10 hours, signaling a welcoming shift towards spring. The trend of lengthening days continues into April with an impressive 13 hours of daylight, showcasing the transition from winter's brevity towards the more abundant light of summer, which peaks at 15 hours in June. This gradual increase not only brightens the park’s landscape but also encourages residents and visitors alike to embrace outdoor activities and the renewal that comes with warmer weather. With each passing week, the anticipation for the vibrant days of summer enhances the charm of Grant Park.

Average Daylight Hours in Grant Park for March

The chart illustrates the variation in daylight duration in Grant Park throughout the year, with March highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 34m10h 37m11h 58m13h 20m14h 30m15h 5m14h 46m13h 44m12h 24m11h 2m9h 50m9h 14m
Data source: Grant Park daylight hours, calculated by summing the hours between sunrise and sunset for each day.

March Winds in Grant Park

As March unfolds in Grant Park, the arrival of spring brings a gentle breeze, with average wind speeds climbing to 4.6 m/s (10 mph)—a noticeable increase from February's 4.4 m/s (10 mph). This upward trend marks March as one of the windier months in the early part of the year, offering a refreshing contrast to the calmness of July and August, where winds drop to their lowest at just 2.7 m/s (6 mph). Interestingly, while the spring months generally exhibit higher wind speeds, they gradually taper off during the summer, hinting at the seasonal ebb and flow of air movement. As we transition into April, we find a slight decrease to 4.0 m/s (9 mph), reflecting a typical pattern of varying winds that keeps the atmosphere lively throughout the year.

Average March Wind Speed in Grant Park

The chart displays monthly wind speed patterns in Grant Park, with values for each month shown alongside March's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how March's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.84.44.6 m/s4.03.63.43.02.73.83.64.24.3
Data source: Grant Park March wind data, generated using information from the Copernicus Climate Change Service.

How March Weather in Grant Park Compares to Other Months

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

In comparing the weather patterns of March and January, it is evident that March experiences a milder range of temperatures, with a minimum of -18°C (1°F) and a maximum of 26°C (80°F), leading to an average of 5°C (41°F). In contrast, January is significantly colder, with temperatures reaching a minimum of -30°C (-22°F) and an average of -3°C (27°F). Precipitation in March totals 95 mm (3.7 in) over 12 days, while January has less moisture at 69 mm (2.7 in) across just 8 days. Additionally, the humidity in March is slightly higher at 84% compared to January's 82%. For more detailed insights, check Grant Park weather in January.

In comparing the weather between February and March, it's evident that March sees a significant increase in temperature, with average highs reaching 5°C (41°F) compared to February's average of -2°C (29°F). Additionally, March experiences a wider temperature range, with temperatures soaring up to 26°C (80°F), while February’s maximum only reaches 21°C (70°F). Precipitation is also higher in March at 95 mm (3.7 in) over 12 days, versus February's 71 mm (2.8 in) across 10 days. Humidity levels remain relatively stable, with March at 84% and February at 83%. For more detailed insights, you can check Grant Park weather in February.

March and April both showcase a transition in weather, with April generally being milder and wetter. In March, temperatures fluctuate between a chilly minimum of -18°C (1°F) and a pleasant maximum of 26°C (80°F), with an average temperature of 5°C (41°F). The month experiences around 95 mm (3.7 in) of precipitation over 12 days, accompanied by high humidity at 84%. In contrast, April sees a significant temperature rise, with minimums of -7°C (19°F) and maximums reaching 29°C (85°F), leading to a higher average of 10°C (50°F). Precipitation also increases to 120 mm (4.7 in) over 13 days, with humidity slightly higher at 85%. For more details on the weather trends specific to the area, check Grant Park weather in April.

In March, temperatures range from a chilly minimum of -18°C (1°F) to a pleasant average of 5°C (41°F), with occasional peaks hitting 26°C (80°F). The month experiences around 95 mm (3.7 in) of precipitation over approximately 12 days, contributing to a higher humidity level of 84%. Conversely, May brings significantly warmer weather, with minimum temperatures around -2°C (29°F) and an average of 17°C (62°F), reaching highs of up to 34°C (94°F). Precipitation increases to 161 mm (6.3 in) over 15 days, while humidity slightly decreases to 79%. Overall, May showcases a more temperate and vibrant climate, perfect for outdoor activities. For more details, visit Grant Park weather in May.

In comparing the weather between March and June, there are notable differences in temperature and precipitation. March experiences a wider temperature range, with minima dipping down to -18°C (1°F) at times, while the average temperature is a cool 5°C (41°F), peaking at 26°C (80°F). In contrast, June offers milder conditions, with temperatures generally ranging from a minimum of 10°C (51°F) to a maximum of 35°C (95°F), resulting in a much more comfortable average of 23°C (73°F). Precipitation is slightly higher in June, totaling 124 mm (4.9 in) over 13 days, compared to March's 95 mm (3.7 in) over 12 days. Humidity levels remain fairly consistent, with March at 84% and June at 82%, indicating that both months can feel quite humid. For more detailed climate information about June, check out Grant Park weather in June.

March and July present quite contrasting weather patterns. In March, temperatures range from a chilly -18°C (1°F) at night to a mild maximum of 26°C (80°F) during the day, with an average temperature around 5°C (41°F). This month sees a considerable amount of precipitation, with around 95 mm (3.7 in) falling over approximately 12 days, combined with relatively high humidity at 84%.

In contrast, July offers a much warmer climate, with temperatures ranging from a minimum of 13°C (56°F) to a scorching maximum of 34°C (94°F), and an average temperature of 24°C (76°F). The precipitation levels are similar to March, totaling 98 mm (3.9 in) over 12 days, but the humidity is slightly lower at 80%. For a detailed look at the weather in July, you can visit Grant Park weather in July.

March and August present striking contrasts in weather conditions. In March, temperatures can dip as low as -18°C (1°F), with an average of 5°C (41°F) and occasional highs reaching 26°C (80°F). This month also experiences higher humidity at 84% and substantial precipitation of 95 mm (3.7 in) over about 12 days. In contrast, August boasts much warmer temperatures, with a minimum of 11°C (52°F), an average of 23°C (74°F), and soaring highs of 35°C (95°F). Precipitation remains fairly consistent at 92 mm (3.6 in) but with only 11 rainy days and slightly lower humidity at 81%. For more detailed information, check out Grant Park weather in August.

March and September present distinct contrasts in weather patterns. March typically experiences a wide temperature range with minimums dropping to -18°C (0°F) and maximums reaching up to 26°C (80°F), while September offers a milder climate with minimum temperatures around 5°C (41°F) and a maximum of 34°C (94°F). Precipitation in March is slightly higher at 95 mm (3.7 in) over 12 days compared to September's 77 mm (3.0 in) over just 8 days, suggesting a wetter early spring versus a drier early fall. Additionally, March has a higher humidity level of 84%, whereas September exhibits a more comfortable 80%. For more insights on September weather, check out Grant Park weather in September.

March and October exhibit notable differences in weather patterns. In March, temperatures can vary significantly, with a minimum of -18°C (1°F) and maximum reaching up to 26°C (80°F), averaging around 5°C (41°F). The month sees 95 mm (3.7 in) of precipitation over about 12 days and maintains a high humidity of 84%. In contrast, October offers a milder climate, with temperatures ranging from a minimum of -3°C (28°F) to a maximum of 31°C (89°F), averaging 13°C (56°F). It experiences slightly higher precipitation at 135 mm (5.3 in) over 13 days, accompanied by a similar humidity level of 82%. For more details about weather during this month, check out Grant Park weather in October.

March and November exhibit distinct weather patterns reflective of their transitional seasons. In March, temperatures oscillate more dramatically, with a minimum of -18°C (1°F) and a maximum reaching 26°C (80°F), while the average hovers around a mild 5°C (41°F). This month experiences 95 mm (3.7 in) of precipitation over approximately 12 days, contributing to a humidity level of 84%. In contrast, November features a narrower temperature range, with a minimum of -13°C (9°F) and a maximum of 25°C (78°F), and an average of 4°C (40°F). Precipitation is less frequent in November, totaling 64 mm (2.5 in) across about 8 days, alongside a slightly higher humidity of 88%. For a closer look at the specific conditions in this latter month, you can explore Grant Park weather in November.

When comparing the weather in March and December, significant differences can be observed, particularly in temperature and precipitation. March experiences a more varied temperature range, with minimums of -18°C (1°F) and highs reaching 26°C (80°F), resulting in an average of 5°C (41°F). In contrast, December tends to be colder overall, with temperatures ranging from -20°C (-5°F) to a maximum of 18°C (65°F), leading to a lower average of 1°C (34°F). Precipitation is more frequent in March, occurring over 12 days and totaling 95 mm (3.7 in), compared to December's 59 mm (2.3 in) over only 7 days. Both months share a consistent humidity level of 84%. For more detailed insights on December weather specifically, visit Grant Park weather in December.

Compare Grant Park's Climate with Cities Worldwide

Conclusion: What to Expect From March Weather in Grant Park

March at Grant Park marks a transition from the chill of winter to the early signs of spring, with temperatures gradually warming up and outpacing the frigid lows of previous months. While March can still surprise with cool nights and the occasional frosty morning, the approach of spring brings a refreshing change, with more opportunities for outdoor activities as the average temperature rises. Despite experiencing some precipitation, the increased daylight and budding nature create an invigorating atmosphere that stands in contrast to the gray and static winter months. For a detailed look at how this fluctuating weather affects the region, explore Grant Park Climate.