May Weather in Brig, Switzerland

Last updated: August 27, 2025

In May, the charming town of Brig, Switzerland, experiences a transitional climate marked by a maximum temperature of 19°C (67°F) and an average low of 5°C (41°F). As the region shakes off the chill of winter, temperatures can dip as low as -11°C (12°F) at night, reminding visitors of the lingering cold. With an average precipitation of 163 mm (6.4 in) spread over 21 days, this month is characterized by considerable rainfall, contributing to the lush greenery. The humidity level hovers around a notable 80%, creating a refreshing atmosphere that beckons nature enthusiasts and those seeking to explore the stunning Alpine landscapes.

May Temperature in Brig

As May unfolds in Brig, Switzerland, temperatures begin to shed their winter chill, offering a refreshing transition towards summer. The month greets residents and visitors with a minimum temperature of -11°C (12°F), allowing for a crisp start to the day, while the average hovers around 5°C (41°F), signifying a gentle warming trend. By midday, the mercury can rise to a pleasant maximum of 19°C (67°F), inviting outdoor activities and the blooming of vibrant alpine flora. This shift from the harsher conditions of the previous months highlights a clear upward trend, marking May as a delightful intersection of cool mountain air and the promise of warmer days ahead.

May Weather in Brig: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Brig, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Brig, May 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).
JanFebMarAprMayJunJulAugSepOctNovDec162227344152555447392718
Data source: Temperature data for Brig 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 Brig

May in Brig, Switzerland, is characterized by a significant uptick in precipitation, with 163 mm (6.4 in) of rainfall over 21 days. This marks the month as one of the wettest in the calendar year, surpassing even the rainfall amounts of the previous months, such as April’s 113 mm (4.4 in). The increased precipitation in May hints at the transition from spring to summer, as clouds gather and showers become more frequent. This pattern sets the stage for a lush landscape, inviting nature enthusiasts to experience the vibrant greenery that follows. With a higher number of precipitation days than any other month so far, May prepares Brig for the approaching warmth of June, which also tends to bring substantial rainfall. Overall, May serves as a reminder of the unique climatic rhythms that define this picturesque Swiss region.

May Precipitation Trends in Brig

The chart displays monthly precipitation patterns in Brig, 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 Brig, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec11575111113163173131152116195141156
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Brig

In May, Brig, Switzerland, experiences a notable shift in humidity levels, dipping to 80% after the winter months of higher moisture. This gradual decline from 92% in January to 84% in April illustrates the transition towards warmer seasons. As spring unfolds, the air becomes relatively drier, offering a refreshing respite before the summer months set in. This trend of decreasing humidity not only enhances the comfort of outdoor activities, but also signals the onset of a more vibrant and lively landscape as greenery and blooms flourish in the favorable conditions.

May Average Humidity in Brig

This chart illustrates the average monthly humidity levels in Brig, 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 Brig is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%89%87%84%80%82%83%80%83%90%89%90%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Brig

As May rolls into Brig, Switzerland, the UV Index ramps up to an impressive 10, indicating a very high exposure category. This represents a notable increase from the previous months, where the UV Index hovered around 4 to 9. With a burn time of just 15 minutes, residents and visitors alike should take precautionary measures to protect their skin from potential harm. The trend shows a clear escalation in sun intensity as spring transitions to summer, leading into June when the UV Index peaks at 11, marking an extreme level of sun exposure. As you revel in the beautiful May weather, don’t forget to stay sun-safe and check out more details at Brig UV Index.

Maximum UV Index Levels in Brig for May

The chart shows the monthly maximum UV Index (UVI) for Brig 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 Brig typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec348910111097632
Data source: Brig 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 Brig

As spring transitions into summer, May shines brightly in Brig, Switzerland, boasting an impressive 365 hours of sunshine. This month stands out as a peak in daylight hours, a delightful contrast to the shorter days of winter where January only offers 181 hours. With each passing month, the sunshine progressively increases, from 236 hours in February to a stunning 389 hours in June. The clear upward trend highlights May's vibrant energy, as it enjoys full bloom and the outdoors beckons locals and visitors alike. As the sun sets the stage for longer summer days, June continues to build on this sunny momentum, further enriching the picturesque landscape of Brig.

Monthly Sunshine Duration in Brig: May Highlighted

The May sunshine duration represents the total number of hours Brig 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.
JanFebMarAprMayJunJulAugSepOctNovDec181h236h306h353h365h389h417h382h323h287h231h205h
Data source: Brig May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Brig During May

As spring blooms in Brig, Switzerland, the likelihood of sunny weather in May offers a refreshing promise, with a 31% chance of sun. While this figure is a slight dip from the warmth of April's 40%, it still suggests ample opportunities for outdoor activities amidst the lush landscape. Notably, May's sunshine likelihood stands in contrast to the cooler months of January and February, where sunshine chances linger around 19% and 36%, respectively. As summer approaches, the sunny days fluctuate again, dipping to 22% in June before stabilizing in early summer months. This trend reveals how May serves as a transitional month, highlighting the beauty of spring while hinting at the more consistent sunshine to come in the summer months ahead.

Percentage of Sunny Days in May in Brig

The chart illustrates the percentage of sunny days in Brig 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 Brig experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec19%36%43%40%31%22%31%40%23%37%28%38%
Data source: Brig May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Brig in May

In Brig, Switzerland, the arrival of May heralds a significant turning point in daylight duration, as the sun graces the town with 14 hours of daylight. This increase is part of a consistent upward trend that begins in January with just 9 hours and escalates through the spring months. February and March see gradual additions of 10 and 11 hours, respectively, while April brings a remarkable leap to 13 hours. The lush landscapes of Brig bask in this expanding daylight, which not only signifies longer days but also invites residents and visitors alike to embrace the vibrant outdoor activities that flourish in the warming sun. As summer approaches, daylight peaks at 15 hours in June and July, before gently tapering off in the autumn months of August through November. The rhythm of light and shadow in Brig paints a captivating picture of seasonal change, reminding us of nature’s rhythmic dance between day and night.

Average Daylight Hours in Brig for May

The chart illustrates the variation in daylight duration in Brig throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 3m10h 19m11h 56m13h 35m14h 59m15h 43m15h 20m14h 4m12h 29m10h 51m9h 24m8h 39m
Data source: Brig daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Brig

In Brig, Switzerland, the month of May ushers in a slight uptick in wind speed, averaging 1.3 m/s (3 mph), which offers a gentle breeze to complement the blossoming landscape. This modest increase is part of a broader trend where the spring months see slightly higher winds compared to the preceding winter, characterized by relatively stable and calm conditions with speeds hovering around 1.1-1.5 m/s. As the warmer months approach, the wind begins to taper off in early summer, indicating that May serves as a transitional period, a prelude to the quieter breezes of June through August. This reinforces Brig’s charm in springtime, as the serene atmosphere complements the stunning alpine scenery.

Average May Wind Speed in Brig

The chart displays monthly wind speed patterns in Brig, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.51.21.21.21.3 m/s1.11.11.10.91.31.21.4
Data source: Brig May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Brig Compares to Other Months

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

When comparing the weather in May and January, there are striking contrasts. May experiences milder temperatures, ranging from a minimum of -11°C (12°F) to a maximum of 19°C (67°F), with an average temperature of 5°C (41°F). This month also sees considerable precipitation, totaling 163 mm (6.4 in) over 21 days and an average humidity of 80%. In stark contrast, January is much colder, with temperatures plummeting to a minimum of -25°C (-13°F) and averaging -9°C (16°F) with a maximum of only 4°C (40°F). January also has less precipitation, at 115 mm (4.5 in), but the humidity is notably higher at 92%. The winter chill of January is well documented, and for more details, you can visit Brig weather in January.

May and February present distinctly different weather experiences. In February, temperatures can plummet to a minimum of -23°C (-9°F) and only rise to a maximum of 10°C (50°F), with an average temperature around -5°C (23°F). In contrast, May offers a much milder climate, with temperatures ranging from a minimum of -11°C (12°F) to a pleasant maximum of 19°C (67°F), resulting in an average of 5°C (41°F). February also sees less precipitation at 75 mm (2.9 in) over 12 days, compared to May’s 163 mm (6.4 in) spread across 21 days, highlighting a wetter spring. Additionally, humidity is slightly higher in February at 89%, compared to 80% in May, making the former feel considerably colder. For more detailed information, check out the Brig weather in February.

In comparing the weather between May and March, significant differences emerge, particularly in temperature and precipitation. May enjoys a more mild temperature range, with minimums around -11°C (12°F) and average highs reaching up to 19°C (67°F), while March remains much colder, with temperatures dipping as low as -24°C (-11°F) and average highs only climbing to 11°C (52°F). Precipitation is higher in May, totaling 163 mm (6.4 in) over 21 days, compared to March's 111 mm (4.4 in) over 16 days. Additionally, humidity levels are slightly lower in May at 80%, compared to the higher humidity of 87% in March. For more detailed information, you can check Brig weather in March.

In comparing the weather of April and May, we see a noticeable warming trend as spring progresses. April experiences lower temperatures, with a minimum of -15°C (5°F) and an average of just 1°C (35°F), while May brings milder conditions, with a minimum of -11°C (12°F) and an average of 5°C (41°F). Additionally, May features higher maximum temperatures, reaching up to 19°C (67°F), compared to April's maximum of 14°C (58°F). Precipitation is also greater in May, totaling 163 mm (6.4 in) over 21 days, compared to April's 113 mm (4.4 in) over 12 days. Humidity is slightly lower in May at 80%, compared to April's 84%. For a more detailed look at April's weather, you can visit Brig weather in April.

May and June exhibit contrasting yet gradually improving weather patterns. In May, temperatures range from a chilly minimum of -11°C (12°F) to an average of 5°C (41°F), with highs reaching 19°C (67°F). Precipitation is relatively high, totaling 163 mm (6.4 in) over 21 days, and the humidity averages around 80%. In comparison, June brings a noticeable shift, with minimum temperatures rising to -2°C (28°F) and average temperatures climbing to 11°C (52°F), peaking at a comfortable 26°C (80°F). While precipitation increases slightly to 173 mm (6.8 in) over 19 days, humidity remains comparable at 82%. For more details on the weather in June, check out Brig weather in June.

In comparing May and July weather, May experiences colder temperatures with a minimum of -11°C (12°F) and an average of 5°C (41°F), while July sees a milder range with temperatures dipping to 2°C (35°F) at night and peaking at 24°C (75°F) during the day. May has significantly higher precipitation levels, totaling 163 mm (6.4 in) over 21 days, compared to July's 131 mm (5.2 in) over 19 days. Additionally, humidity remains relatively high in both months, with May at 80% and July slightly higher at 83%. Overall, July offers a warmer and drier climate, making it more conducive for outdoor activities. For more details, you can check Brig weather in July.

May weather is characterized by cooler temperatures, with minimums dropping to -11°C (12°F) and an average around 5°C (41°F), and a maximum that reaches only 19°C (67°F). The month also sees significant precipitation, totaling 163 mm (6.4 in) across 21 days, contributing to the high humidity level of 80%. In contrast, August brings warmer conditions, with a minimum temperature of 1°C (35°F), an average of 12°C (54°F), and a maximum reaching up to 24°C (75°F). Although August has slightly less precipitation at 151 mm (6.0 in) over 18 days, the humidity remains constant at 80%. For more details on the specifics of August weather, visit Brig weather in August.

May and September present quite different weather experiences. In May, temperatures range from a chilly -11°C (12°F) at night to a more comfortable average of 5°C (41°F) during the day, peaking at 19°C (67°F). The month is characterized by significant precipitation, with 163 mm (6.4 in) falling over 21 days, and humidity levels remain high at 80%.

Conversely, September sees milder conditions, with nighttime lows around -4°C (25°F), an average of 8°C (48°F), and afternoon highs reaching 21°C (69°F). Precipitation decreases to 116 mm (4.6 in) across 16 days, and humidity slightly increases to 83%. This shift marks September as a more pleasant transition into autumn, offering clearer skies and warmer days. For more detailed information, check Brig weather in September.

May and October present distinct weather characteristics, reflecting the transition between spring and autumn. In May, temperatures range from a chilly minimum of -11°C (12°F) to a pleasant maximum of 19°C (67°F), with an average of 5°C (41°F). The month sees significant rainfall totaling 163 mm (6.4 in) over 21 days, coupled with high humidity averaging around 80%. In contrast, October experiences slightly cooler temperatures, with a minimum of -8°C (19°F), an average of 4°C (39°F), and a maximum of 15°C (60°F). Precipitation is even higher at 195 mm (7.7 in) across just 13 days, accompanied by an increase in humidity to 90%. For a closer look at the October weather in this region, visit Brig weather in October.

May and November exhibit contrasting weather patterns. In May, temperatures range from a chilly -11°C (12°F) at night, averaging 5°C (41°F) during the day, and peaking at a mild 19°C (67°F), accompanied by significant precipitation of 163 mm (6.4 in) over 21 days and an humidity level of 80%. In contrast, November sees much colder temperatures, with lows dipping to -21°C (-6°F), an average of -3°C (27°F), and highs reaching only 12°C (54°F). The month experiences slightly less rainfall at 141 mm (5.5 in) over 16 days but higher humidity at 88%. For more detailed weather insights for November, you can explore Brig weather in November.

May and December present stark contrasts in weather conditions. In May, temperatures range from a chilly -11°C (12°F) at night to a mild 19°C (67°F) during the day, averaging around 5°C (41°F). The month is marked by 163 mm (6.4 in) of precipitation over 21 days, accompanied by a humidity level of 80%. In contrast, December plunges to much colder temperatures, with a minimum of -25°C (-12°F) and a maximum of just 4°C (40°F), averaging -8°C (18°F). Precipitation remains fairly similar at 156 mm (6.2 in) across 17 days, but humidity rises slightly to 90%. For those interested in specific December weather patterns, Brig weather in December provides further insights.

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Conclusion: What to Expect From May Weather in Brig

As May unfolds in Brig, it brings a refreshing transition from the chill of winter to the mildness of early summer. While temperatures gradually rise, the month remains cool, with average temperatures hovering at a brisk 5°C, significantly lower compared to the warmer peaks of summer. Precipitation is notably frequent this month, with rain gracing the region on over two-thirds of the days, contributing to a lush backdrop as nature awakens. The humidity level, averaging around 80% during May, creates a vibrant atmosphere, contrasting sharply with the drier months ahead. This unique blend of cool temperatures and persistent moisture draws an intriguing contrast to the more stable climates of the summer months, making May a beautiful yet unpredictable time in Brig. For further insights on the intricacies of local weather patterns, explore Brig Climate.