March Weather in Sierre, Switzerland

Last updated: August 27, 2025

In March, Sierre, Switzerland experiences a striking contrast in weather, with maximum temperatures reaching 14°C (57°F) while dipping to a chilling average low of -2°C (29°F), and even plunging to a frigid -25°C (-12°F). This month is characterized by considerable precipitation, accumulating to 122 mm (4.8 in) over 15 days, creating a damp atmosphere with an average humidity of 87%. Visitors can expect a blend of late-winter chill and early spring warmth, making it a unique time to explore the beauty of the region.

March Temperature in Sierre

March in Sierre, Switzerland marks a notable transition as winter begins to yield to the promise of spring. With average temperatures rising to -2°C (29°F), the once-biting cold gives way to milder days, and highs can reach up to 14°C (57°F). This gradual warming trend reflects a departure from the frigid depths experienced in January and February, where lows dipped to -27°C (-17°F) and -23°C (-8°F) respectively. As the snow starts to melt, March invites both residents and visitors to embrace the changing landscape, making it an ideal time for outdoor adventures as the charm of the Swiss Alps begins to reveal itself once more.

March Weather in Sierre: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Sierre, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sierre, March typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec162329374353565649412918
Data source: Temperature data for Sierre generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

March Precipitation in Sierre

March in Sierre, Switzerland, experiences a notable transition in weather, marked by 122 mm (or 4.8 in) of precipitation over 15 days. This amount reflects a slight decrease from the preceding months, yet it remains significant, creating a damp but vibrant landscape as spring approaches. While January and February saw heavier rainfall, March’s precipitation hints at the shifting seasons, impacting local flora and fauna. As the snow begins to melt and the days lengthen, Sierre’s picturesque surroundings become increasingly alive, showcasing the region's charm even in the face of persistent rain. The steady rainfall during this month paves the way for a robust May, which typically boasts the highest precipitation of the year, emphasizing a trend of deeper springs and lush summers in this enchanting alpine locale.

March Precipitation Trends in Sierre

The chart displays monthly precipitation patterns in Sierre, 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. In Sierre, March typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec13596122811601301211299013598188
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

March Humidity in Sierre

In March, Sierre, Switzerland, experiences a noticeable decline in humidity, dropping to 87% from the 89% recorded in February. This reduction is part of a broader trend observed as the seasons transition, with humidity levels steadily decreasing through the spring months. Following March, April brings an even further decrease to 84%, marking the onset of drier conditions as the region prepares for the warmer months ahead. Despite this seasonal shift, humidity levels remain relatively high compared to the drier summer months, indicating Sierre's picturesque climate is characterized by a blend of freshness and warmth as it moves towards summer.

March Average Humidity in Sierre

This chart illustrates the average monthly humidity levels in Sierre, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Sierre is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%84%80%82%82%77%81%89%89%91%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Sierre

As March unfolds in Sierre, Switzerland, the UV Index experiences a notable increase, soaring to 7 and shifting into the high exposure category, which signifies a 25-minute burn time for fair-skinned individuals. This uptick from February’s 4 is an early indicator of the approaching springtime sun, highlighting the need for increased sun protection. The trend continues upward as April approaches, where the UV Index reaches 8 and enters the very high category, setting the stage for more intense sunlight in the coming months. As days grow longer and warmer, it's essential to adapt your sun safety routine. For detailed information, visit Sierre UV Index to stay informed and protected as you enjoy the beautiful alpine environment.

Maximum UV Index Levels in Sierre for March

The chart shows the monthly maximum UV Index (UVI) for Sierre 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. In March, the maximum UV index in Sierre typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec347810111097632
Data source: Sierre 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 Sierre

As the winter chill gives way to the warming embrace of spring, March in Sierre, Switzerland, shines brightly with an impressive 303 hours of sunshine. This marked increase from the previous months reflects the region's gradual transition into longer and sunnier days. Following February's 234 hours, the heightened brightness not only invigorates the landscape but also invites residents and visitors to revel in outdoor activities. The upward trend continues into April, which offers even more sunshine at 355 hours, hinting at a season filled with blossoming flowers and vibrant outdoor experiences. March serves as a delightful prelude to the sun-drenched months ahead, showcasing Sierre's charm as a picturesque destination for springtime adventures.

Monthly Sunshine Duration in Sierre: March Highlighted

The March sunshine duration represents the total number of hours Sierre 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.
JanFebMarAprMayJunJulAugSepOctNovDec176h234h303h355h360h388h416h383h323h288h232h202h
Data source: Sierre March Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sierre During March

As spring approaches in Sierre, Switzerland, the likelihood of sunny weather takes a noticeable leap in March, with a 45% chance of sunshine that month. This increase marks a significant shift from the winter months, where January and February see only 22% and 40% sunny days, respectively. Interestingly, March also stands out as one of the sunniest months prior to the summer, followed closely by April at 44%. As the days grow longer and warmer, visitors can expect a promising start to the outdoor season, setting the stage for delightful explorations amid the scenic beauty of the Alps. The trend suggests that while the sun may be less predictable in the months that follow, March offers a glimmer of hope for those seeking sunnier skies.

Percentage of Sunny Days in March in Sierre

The chart illustrates the percentage of sunny days in Sierre 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 Sierre experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec22%41%45%44%32%32%35%38%33%44%33%41%
Data source: Sierre March chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sierre in March

As March unfolds in Sierre, Switzerland, the days grow noticeably longer, extending to 11 hours of daylight. This gradual increase marks a pivotal shift from the winter months, where January and February offered 9 and 10 hours of light, respectively. With each passing day, the warmth of spring begins to radiate through longer evenings, setting the stage for April's even more generous 13 hours of daylight. This upward trend not only enhances the ambiance of the picturesque landscape but also invites both locals and visitors to revel in outdoor activities that thrive in the welcoming glow of the sun. The progression from winter to spring in Sierre is a reminder of nature's rhythm, as the longer days herald a vibrant and rejuvenating season ahead.

Average Daylight Hours in Sierre for March

The chart illustrates the variation in daylight duration in Sierre throughout the year, with March highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 3m10h 20m11h 56m13h 35m14h 59m15h 42m15h 19m14h 4m12h 29m10h 51m9h 24m8h 39m
Data source: Sierre daylight hours, calculated by summing the hours between sunrise and sunset for each day.

March Winds in Sierre

March in Sierre, Switzerland, brings a gentle touch of wind, with an average speed of 1.1 m/s (3 mph), a slight dip compared to the previous months. This subtle decrease from February's 1.6 m/s highlights a transition into the softer breezes of spring. Interestingly, the wind speeds remain consistent through April and May, suggesting a period of calm before the more variable summer months begin. As temperatures warm and the landscape awakens, these mild winds create a serene backdrop for the stunning alpine scenery, inviting locals and visitors alike to embrace the beauty of early spring.

Average March Wind Speed in Sierre

The chart displays monthly wind speed patterns in Sierre, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.41.61.1 m/s1.11.11.01.11.11.01.31.41.4
Data source: Sierre March wind data, generated using information from the Copernicus Climate Change Service.

How March Weather in Sierre Compares to Other Months

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

In comparing the weather of March and January, March generally experiences slightly milder temperatures, with average highs reaching up to 14°C (57°F) compared to January's maximum of 6°C (44°F). While January has a lower average temperature of -9°C (16°F) and a colder minimum of -27°C (-17°F), March's minimum is slightly warmer at -25°C (-12°F). Precipitation is relatively high in both months, with January receiving 135 mm (5.3 in) over 10 days, while March sees 122 mm (4.8 in) spread over 15 days. Humidity levels are also high, with January at 91% and March at 87%. For a more detailed look at January weather, check Sierre weather in January.

March generally exhibits a slight warming trend compared to February. The average temperature rises from February's -5°C (23°F) to -2°C (29°F) in March, with maximum temperatures reaching 14°C (57°F), making March feel noticeably milder. Additionally, precipitation increases in March to 122 mm (4.8 in) over 15 days, compared to February's 95 mm (3.8 in) over 11 days, indicating that March is not only wetter but also more variable in weather conditions. Humidity levels remain relatively stable, dropping slightly from 89% in February to 87% in March. For a more detailed comparison, you can check Sierre weather in February.

March and April present a noticeable shift in weather patterns. In March, temperatures range from a frigid minimum of -25°C (-12°F) to a maximum of 14°C (57°F), with an average temperature around -2°C (29°F). The month experiences significant precipitation, totaling 122 mm (4.8 in) over 15 days, accompanied by high humidity levels at 87%.

In contrast, April brings a gradual warming trend, with minimum temperatures of -17°C (1°F) and maximums reaching 17°C (63°F), resulting in an average temperature of 3°C (37°F). Precipitation decreases to 81 mm (3.2 in) over 11 days, and humidity slightly drops to 84%. This transition indicates a move towards milder conditions as spring approaches. For more specific details, you can check the Sierre weather in April.

In March, temperatures in Sierre are notably colder, with a minimum of -25°C (-12°F) and an average of -2°C (29°F), reaching a maximum of just 14°C (57°F). The month experiences significant precipitation of 122 mm (4.8 in) across 15 days, contributing to a high humidity level of 87%. In contrast, May brings milder conditions, with temperatures ranging from a minimum of -16°C (4°F) to an average of 6°C (43°F) and a peak of 22°C (72°F). Although May sees increased precipitation of 160 mm (6.3 in) over 20 days, the humidity remains lower at 80%. Overall, while both months are marked by considerable snowfall and rain, May offers a much warmer and more temperate experience. For more specific details about May weather patterns, check out Sierre weather in May.

In March, temperatures in Sierre range from a frigid minimum of -25°C (-12°F) to a maximum of 14°C (57°F), with an average temperature of around -2°C (29°F). The month experiences substantial precipitation, with 122 mm (4.8 in) falling over approximately 15 days, accompanied by high humidity levels at 87%. In contrast, June boasts much milder weather, featuring a minimum temperature of -4°C (25°F) and a maximum of 27°C (81°F), resulting in a comfortable average of 12°C (53°F). Although June sees slightly more precipitation at 130 mm (5.1 in) across 16 days, the humidity remains lower at 82%. For more detailed insights into June weather, you can check Sierre weather in June.

March and July present stark contrasts in weather conditions. In March, temperatures can plummet as low as -25°C (-12°F), with an average of -2°C (29°F) and a maximum reaching only 14°C (57°F). This month sees significant precipitation, totaling 122 mm (4.8 in) over approximately 15 days, coupled with high humidity at 87%. In contrast, July enjoys a milder climate with temperatures ranging from a minimum of 1°C (34°F) to a comfortable average of 14°C (57°F) and a maximum of 28°C (82°F). Although July has a similar level of rainfall, at 121 mm (4.8 in) over about 16 days, the humidity is slightly lower at 82%. For more detailed insights into summer weather, consider checking Sierre weather in July.

March and August present distinct contrasts in weather. March experiences frigid temperatures, with lows plummeting to -25°C (-12°F) and an average of just -2°C (29°F), while August boasts much milder conditions, with temperatures ranging from a minimum of 1°C (34°F) to a comfortable maximum of 26°C (80°F). Precipitation levels are relatively similar in both months, with March receiving 122 mm (4.8 in) over 15 days and August slightly higher at 129 mm (5.1 in) across 16 days. Additionally, March is marked by a higher humidity level of 87%, compared to August's 77%. For more specific insights on summer weather, you can check Sierre weather in August.

In March, temperatures can be quite frigid, with minimums reaching as low as -25°C (-12°F) and an average temperature around -2°C (29°F), while the maximum temperature peaks at 14°C (57°F). The month is also characterized by significant precipitation, totaling 122 mm (4.8 in) over approximately 15 days, alongside high humidity levels of 87%. In contrast, September offers a much milder climate, with temperatures ranging from a minimum of -5°C (23°F) to an average of 9°C (49°F) and a maximum of 22°C (72°F). Precipitation decreases to 90 mm (3.6 in) spread over about 12 days, and the humidity is slightly lower at 81%. For more details about September weather specifically, you can check Sierre weather in September.

March and October present distinct weather patterns, reflecting the transition between winter and autumn. In March, temperatures can plummet to a chilling minimum of -25°C (-12°F), with an average of -2°C (29°F) and occasional highs reaching 14°C (57°F). This month experiences significant precipitation, totaling 122 mm (4.8 in) over about 15 days, and humidity levels are quite high at 87%.

In contrast, October offers milder conditions with a minimum temperature of -6°C (21°F) and an average of 5°C (41°F). The maximum temperature during this month can climb to 18°C (64°F). While October sees slightly more precipitation at 135 mm (5.3 in) over 13 days, humidity remains similar at 89%. For a closer look at what to expect, check out Sierre weather in October.

March and November exhibit remarkably similar weather patterns, particularly in terms of temperature and humidity. Both months experience an average temperature of -2°C (29°F), with March showing a bit more variability in daily highs, reaching up to 14°C (57°F), while November only slightly edges this with a maximum of 14°C (58°F).

In terms of precipitation, March tends to be wetter with 122 mm (4.8 in) over 15 days, compared to November's 98 mm (3.8 in) over 14 days. Humidity is also slightly higher in November at 89%, compared to March's 87%.

For more detailed insights into November's weather, you can check Sierre weather in November.

In March, the weather starts to show signs of warming, with average temperatures rising to -2°C (29°F) and maximums reaching 14°C (57°F). This month experiences around 122 mm (4.8 in) of precipitation over 15 days, and humidity levels are relatively high at 87%. In contrast, December is significantly colder, with average temperatures dropping to -8°C (18°F) and maximums peaking at only 7°C (45°F). Precipitation increases to 188 mm (7.4 in) over 16 days, accompanied by even higher humidity levels of 91%. For more detailed information, check out Sierre weather in December.

Compare Sierre's Climate with Cities Worldwide

Conclusion: What to Expect From March Weather in Sierre

In March, Sierre experiences a distinct transition in weather that sets it apart from the preceding winter months. As temperatures gradually rise, the average sits at a chilly -2°C, yet the maximum can reach a mild 14°C, hinting at the arrival of spring. This month is characterized by higher humidity levels at 87%, contributing to a cool ambiance despite a few warmer days. With 122 mm of precipitation spread over about 15 days, March often brings more rain than snow, making the landscape vibrant and lush as nature begins to awaken. For a deeper dive into the area's climate trends, visit Sierre Climate.