March Weather in Fort Collins, United States

Last updated: February 24, 2025

In March, Fort Collins experiences a dynamic transition as winter gives way to early spring. The maximum temperature peaks at a comfortable 26°C (79°F), while the average hovers around a brisk 4°C (40°F). However, nights can be quite chilly, dipping to a minimum of -21°C (-5°F). This month sees 53 mm (2.1 in) of precipitation over approximately 9 days, contributing to a relatively humid atmosphere with an average humidity of 75%. Overall, March in Fort Collins offers a unique blend of crisp temperatures and the promise of warmer days ahead, making it a captivating time to experience the beauty of this vibrant city.

March Temperature in Fort Collins

March in Fort Collins, United States, marks a significant transition in the weather, as winter's sharp chill begins to give way to the promise of spring. With minimum temperatures hovering around -21°C (-5°F) and an average rising to a pleasant 4°C (40°F), the month offers a refreshing shift from February's harsher conditions. The maximum temperature can reach a delightful 26°C (79°F), hinting at the warmer days that lie ahead. This gradual warming trend is particularly noteworthy as it sets the stage for the vibrant growth of flora and fauna that characterizes the coming months. Overall, March serves as a bridge between the cold, crisp winter and the warming embrace of spring, making it a uniquely dynamic time in Fort Collins.

March Weather in Fort Collins: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Fort Collins, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec302940475568747265484033
Data source: Temperature data for Fort Collins 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 Fort Collins

March marks a significant uptick in precipitation for Fort Collins, with 53 mm (2.1 in) of rain measured over 9 days. This is a noticeable increase compared to the 17 mm (0.7 in) in January and 23 mm (0.9 in) in February, highlighting the transition from winter's dryness to spring's revitalizing showers. The amount of rainfall observed in March matches that of April, establishing a pattern of increased moisture as the seasons change. This rise hints at the approaching spring bloom, setting the stage for May’s even more substantial rainfall of 116 mm (4.6 in), which typically heralds the peak of Fort Collins' wet season. The trend suggests that as winter wanes, the region welcomes a steady increase in precipitation, fueling the vibrant growth that characterizes the area during the warmer months.

March Precipitation Trends in Fort Collins

The chart displays monthly precipitation patterns in Fort Collins, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1723535311640303726362116
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Fort Collins

As winter transitions into spring, March in Fort Collins showcases a noticeable drop in humidity, averaging 75% compared to the higher levels seen in the preceding months of January and February, which recorded 84% and 85% respectively. This decline marks a shift towards the drier conditions characteristic of the approaching warmer months. Following March, humidity continues to drop even further, reaching 67% in both April and May, indicating that the city is moving into a less humid climate. This overall trend illustrates Fort Collins' gradual migration from the moisture-laden air of winter towards a more arid spring, setting the stage for warmer, sunnier days ahead.

March Average Humidity in Fort Collins

This chart illustrates the average monthly humidity levels in Fort Collins, 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.
JanFebMarAprMayJunJulAugSepOctNovDec84%86%75%67%67%68%62%63%63%72%80%85%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Fort Collins

As March rolls into Fort Collins, the UV Index surges to 8, categorizing it as very high. This sharp increase from February's 6 signals a shift towards more intense sun exposure, reducing the burn time to just 15 minutes. As daylight hours extend and temperatures start to rise, it’s crucial to adapt your sun protection strategies. By the time April arrives, the UV Index escalates even further to an alarming 11, marking the transition into the extreme category. This trend of rising UV levels serves as a reminder to stay vigilant and proactive in protecting your skin from harmful rays. For more details on UV exposure throughout the year, visit Fort Collins UV Index.

Maximum UV Index Levels in Fort Collins for March

The chart shows the monthly maximum UV Index (UVI) for Fort Collins 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.
JanFebMarAprMayJunJulAugSepOctNovDec46811111212119643
Data source: Fort Collins 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 Fort Collins

As March unfolds in Fort Collins, the days grow longer and sunnier, marking a vibrant transition from winter to spring. With 285 hours of sunshine, March reveals an upward trend that started in January and continues to blossom into April, where sunshine hours peak at 300. This steady increase not only brightens the landscapes but also uplifts the spirits of residents, encouraging outdoor activities and a reconnection with nature. As the city basks in these rays, there’s an undeniable sense of renewal, leading into the promise of even sunnier months ahead.

Monthly Sunshine Duration in Fort Collins: March Highlighted

The March sunshine duration represents the total number of hours Fort Collins 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.
JanFebMarAprMayJunJulAugSepOctNovDec185h234h285h300h327h374h382h352h306h272h248h237h
Data source: Fort Collins March Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Fort Collins During March

In Fort Collins, the likelihood of sunny weather in March holds steady at 49%, mirroring February's figures and slightly declining from the previous month in January, which boasts a 56% chance. This consistency suggests that while March may not usher in a significant shift towards sunnier days, it does maintain a reliable balance in late winter and early spring. As spring progresses, sunny probabilities gradually increase, with April seeing a minor uptick to 51%. Interestingly, the months ahead reveal a more pronounced trend toward sunnier weather, peaking in late summer with 66% in August, highlighting the region's transition from early spring's coolness to summer's warmth.

Percentage of Sunny Days in March in Fort Collins

The chart illustrates the percentage of sunny days in Fort Collins 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 Fort Collins experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec56%49%50%51%39%57%62%66%69%65%62%66%
Data source: Fort Collins March chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Fort Collins in March

As February gives way to March, Fort Collins begins to bask in the increasing glow of daylight, with the hours stretching to 11 hours. This transition marks the onset of spring, where each day gradually elongates, hinting at the warmer months ahead. The trend is unmistakable; as the year progresses towards June's peak of 15 hours of daylight, the town transitions into a season of blossoming landscapes and outdoor activities. The rhythm of daylight, dipping back down in the latter half of the year, reminds us of the natural ebb and flow of seasons, with March serving as a pivotal moment of renewal and anticipation for the longer, sunlit days to come.

Average Daylight Hours in Fort Collins for March

The chart illustrates the variation in daylight duration in Fort Collins throughout the year, with March highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 38m10h 40m11h 58m13h 19m14h 26m15h14h 41m13h 41m12h 24m11h 4m9h 54m9h 19m
Data source: Fort Collins daylight hours, calculated by summing the hours between sunrise and sunset for each day.

March Winds in Fort Collins

As winter transitions to spring, the average wind speed in Fort Collins during March remains steady at 2.4 m/s (5 mph), mirroring January's calm breezes. This consistency hints at a period of relative tranquility before the winds begin to pick up in April, when speeds increase to 2.7 m/s (6 mph). Notably, both March and May also showcase a slight dip, with wind speeds reducing to 2.3 m/s (5 mph), while early summer months demonstrate an overall gentle breeze pattern typical of the area. As the season unfolds, Fort Collins experiences a subtle ebb and flow in wind speeds, creating an inviting atmosphere for outdoor activities amidst the crisp, rejuvenating air of spring.

Average March Wind Speed in Fort Collins

The chart displays monthly wind speed patterns in Fort Collins, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.42.52.4 m/s2.72.32.32.12.42.42.52.42.4
Data source: Fort Collins March wind data, generated using information from the Copernicus Climate Change Service.

How March Weather in Fort Collins Compares to Other Months

The weather in Fort Collins 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 Fort Collins and find detailed weather information for every month.

Comparing the weather in March to January reveals notable differences. March experiences a wider temperature range, with minimums around -21°C (-5°F) and maximums reaching up to 26°C (79°F), leading to an average of 4°C (40°F). In contrast, January remains colder, with minimum temperatures dropping to -26°C (-14°F) and maximums only peaking at 17°C (62°F), resulting in an average temperature of -1°C (30°F). Additionally, March sees more precipitation, accumulating 53 mm (2.1 in) over approximately 9 days, while January's precipitation is significantly lower at 17 mm (0.7 in) spread over just 4 days. Humidity levels are also slightly different, with March at 75% and January higher at 84%. For more details, you can check the specific conditions at Fort Collins weather in January.

In March, the weather begins to transition toward milder conditions, with an average temperature of 4°C (40°F), compared to February's colder average of -2°C (29°F). While February experiences lower precipitation at 23 mm (0.9 in) over 6 days, March sees a notable increase, with 53 mm (2.1 in) of precipitation spread across 9 days. Additionally, humidity levels remain relatively high in both months, but February has slightly higher humidity at 85%, compared to March's 75%. For a detailed look at February's weather specifics in Fort Collins, you can check out Fort Collins weather in February.

March and April display a noticeable transition in weather patterns. In March, temperatures can dip as low as -21°C (-5°F), with an average of 4°C (40°F) and highs reaching up to 26°C (79°F). The month sees 53 mm (2.1 in) of precipitation over about 9 days, alongside a relatively high humidity level of 75%. By contrast, April exhibits a milder climate, with minimum temperatures of -13°C (9°F), an average of 8°C (47°F), and maximums that can soar to 29°C (85°F). Precipitation remains consistent at 53 mm (2.1 in) but slightly increases to about 10 days, while humidity decreases to 67%. This shift in temperature and humidity marks April as a month of blossoming warmth compared to the chill of March. For more detailed insights, you can check out Fort Collins weather in April.

In comparing the weather of March and May, we see significant differences in temperature and precipitation. March experiences a broader temperature range, with lows plummeting to -21°C (-5°F) and highs reaching up to 26°C (79°F), while May showcases milder temperatures with a minimum of -3°C (27°F) and maximums peaking at 31°C (88°F). Precipitation also varies, with March receiving 53 mm (2.1 in) over 9 days, compared to May’s increased rainfall of 116 mm (4.6 in) across 14 days. Additionally, humidity levels are higher in March at 75%, while May's humidity is slightly lower at 67%. For a detailed look at the weather dynamics during this month, you can check out Fort Collins weather in May.

March and June exhibit striking differences in weather patterns. In March, temperatures can fluctuate significantly, ranging from a minimum of -21°C (-5°F) to a maximum of 26°C (79°F), with an average temperature around 4°C (40°F). This month experiences more humidity at 75% and about 53 mm (2.1 in) of precipitation over 9 days. In contrast, June offers a more stable and warmer climate, with minimum temperatures at 5°C (41°F) and maximum temperatures soaring up to 38°C (100°F), culminating in an average temperature of 20°C (68°F). The precipitation in June is slightly less at 40 mm (1.6 in) over 8 days, and the humidity drops to 68%. For a detailed look at June weather, visit Fort Collins weather in June.

March and July present contrasting weather patterns. In March, temperatures range from a chilly minimum of -21°C (-5°F) to a pleasant maximum of 26°C (79°F), with an average of 4°C (40°F) and higher humidity at 75%. This month also sees 53 mm (2.1 in) of precipitation over about 9 days. Conversely, July is significantly warmer, with temperatures varying from a minimum of 9°C (49°F) to a scorching maximum of 37°C (99°F), yielding an average temperature of 23°C (74°F). Precipitation decreases to 30 mm (1.2 in) across just 6 days, while humidity drops to 62%. For more detailed weather insights, you can check Fort Collins weather in July.

March and August weather in Fort Collins presents a striking contrast. In March, temperatures can plummet as low as -21°C (-5°F), with an average around 4°C (40°F) and highs reaching 26°C (79°F). The month sees approximately 53 mm (2.1 in) of precipitation over around 9 days, accompanied by high humidity levels of 75%. In stark contrast, August boasts milder conditions with a minimum temperature of 10°C (50°F) and an average temperature of 22°C (72°F), peaking at a scorching 36°C (98°F). Precipitation decreases to 37 mm (1.5 in) over just 6 days, and the humidity is more comfortable at 63%. For more detailed weather insights, check out Fort Collins weather in August.

March typically presents a wider temperature range, with lows reaching down to -21°C (-5°F) and highs peaking at 26°C (79°F), while the average temperature rests around 4°C (40°F). This month also experiences more precipitation, averaging 53 mm (2.1 in) over about 9 days, coupled with a higher humidity of 75%.

In contrast, September enjoys a milder climate, featuring minimum temperatures of -1°C (31°F) and maximum temperatures soaring up to 37°C (99°F), with an average of 19°C (66°F). The month sees significantly less precipitation, with only 26 mm (1.0 in) over 4 days and humidity levels dropping to 63%. For more information on September weather specifics, visit Fort Collins weather in September.

March and October present distinct weather characteristics, showcasing the transition between winter and fall. In March, temperatures can range widely from a chilling minimum of -21°C (-5°F) to a pleasant maximum of 26°C (79°F), averaging around 4°C (40°F). This month also experiences higher precipitation, with about 53 mm (2.1 in) over 9 days, and humidity levels at 75%. In contrast, October’s temperatures exhibit a milder range, with a minimum of -16°C (3°F) and a maximum of 29°C (84°F), averaging 9°C (49°F). The month brings less rainfall, totaling 36 mm (1.4 in) over 7 days, and slightly lower humidity at 72%. You can find more details about the weather patterns in October here: Fort Collins weather in October.

When comparing March and November weather, both months feature an average temperature of around 4°C (40°F), but the temperature range is slightly more variable in March, where it can dip to -21°C (-5°F) and peak at 26°C (79°F). In contrast, November generally experiences milder extremes, with temperatures ranging from a minimum of -15°C (6°F) to a maximum of 25°C (77°F). March also brings more precipitation, averaging 53 mm (2.1 in) over about 9 days, while November sees significantly less at 21 mm (0.8 in) over 5 days. Additionally, the humidity levels are quite similar, with March at 75% and November slightly higher at 79%. For a deeper look into November's weather patterns, you can explore Fort Collins weather in November.

When comparing March and December weather in Fort Collins, we see notable differences in temperature, precipitation, and humidity. March experiences a wider range of temperatures, with a minimum of -21°C (-5°F) and a maximum of 26°C (79°F), leading to an average of 4°C (40°F). In contrast, December's temperatures range from -16°C (3°F) to a maximum of 22°C (72°F), averaging at 1°C (33°F). In terms of precipitation, March is wetter with 53 mm (2.1 in) over nine days, while December sees significantly less, with only 16 mm (0.6 in) over three days. Additionally, December shows a higher humidity level at 85% compared to March's 75%. For more insights on the weather conditions during December in Fort Collins, you can visit Fort Collins weather in December.

Compare Fort Collins's Climate with Cities Worldwide

Conclusion: What to Expect From March Weather in Fort Collins

March in Fort Collins marks a transition from winter's chill to the promise of spring, presenting a unique blend of fluctuating temperatures and increased precipitation. As the average temperature rises, days can swing from crisp and cold to unexpectedly warm, offering a taste of the warmer months ahead. With 75% humidity and around nine days of precipitation, March serves as a reminder of winter’s lingering presence while hinting at the vibrant growth to come. For a deeper look into the climate patterns of Fort Collins, visit Fort Collins Climate.