May Weather in Annecy, France

Last updated: February 26, 2025

In Annecy, France, May showcases a dynamic climate, with maximum temperatures reaching up to 28°C (82°F), providing pleasant warmth for outdoor activities. The average temperature settles at a mild 12°C (53°F), while nights can be quite cool, dipping to a chilly minimum of -2°C (28°F). The month is notable for its significant rainfall, receiving 199 mm (7.8 in) across 18 days, contributing to an average humidity level of 78%. This blend of warmth and moisture makes May a fresh yet unpredictable time to experience the scenic beauty of Annecy.

May Temperature in Annecy

In May, temperatures in Annecy, France show a significant transition as the region shakes off the chill of winter. The month kicks off with a brisk minimum of -2°C (28°F), but quickly warms to an average of 12°C (53°F) and can peak at a delightful 28°C (82°F). This marks a clear progression from the cooler earlier months; for instance, in April, the average was only 8°C (47°F). The rise in temperatures signals the arrival of spring, inviting locals and visitors alike to enjoy the blossoming landscapes and outdoor activities. As the days get longer and the air grows milder, May becomes a beautiful canvas of warmth, perfectly setting the stage for the summer months ahead.

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

The chart illustrates May temperature patterns in Annecy, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec303640475361646457483932
Data source: Temperature data for Annecy 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 Annecy

In May, Annecy experiences a notable peak in precipitation, with 199 mm (7.8 in) of rainfall spread over 18 days. This increased moisture marks a significant rise from April's 77 mm (3.0 in) and is the highest accumulation for the month in the entire year. As spring transitions into summer, the frequent rain transforms the landscape, nourishing the lush surroundings and contributing to the region’s vibrant natural beauty. The consistent rainfall also sets the stage for June, which maintains a substantial 155 mm (6.1 in), though with fewer rainy days, hinting at a gradual shift towards warmer and more stable weather patterns as summer approaches. Annecy's May weather underscores a dynamic climate, balancing the joy of spring blooms with the rhythmic embrace of rainfall.

May Precipitation Trends in Annecy

The chart displays monthly precipitation patterns in Annecy, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1301121547719915511812186121117239
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Annecy

In May, Annecy begins to embrace the warmth of spring with a humidity level dropping to 78%, marking a noticeable decline from the winter months when humidity peaks at 91% in January. This gradual decrease continues through to June, hinting at a shift towards drier summer days. As the season progresses, July and August showcase even lower humidity levels of 72% and 63%, respectively, creating a more comfortable atmosphere for outdoor activities. However, as autumn approaches, humidity levels begin to creep back up, reminding residents of the region's characteristic moist climate. Overall, May captures a transitional moment, blending the lingering humidity of spring with the promise of the drier summer ahead.

May Average Humidity in Annecy

This chart illustrates the average monthly humidity levels in Annecy, 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.
JanFebMarAprMayJunJulAugSepOctNovDec91%87%84%83%78%75%72%63%73%89%91%90%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Annecy

As spring transitions into summer, May in Annecy, France, brings a significant rise in the UV Index, peaking at 9, categorized as very high. This is a notable increase from the previous months, where the index hovered between 2 and 7. With a reduced burn time of just 15 minutes, residents and visitors alike should be cautious while enjoying the longer, sunnier days. The trend suggests that sun safety is paramount during this month, setting the stage for an equally intense summer ahead, as June and July maintain a UV Index of 10. To stay protected, consider strategies like wearing sunscreen, hats, and seeking shade during peak sun hours. For more detailed information, visit Annecy UV Index.

Maximum UV Index Levels in Annecy for May

The chart shows the monthly maximum UV Index (UVI) for Annecy 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.
JanFebMarAprMayJunJulAugSepOctNovDec24679101097532
Data source: Annecy 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 Annecy

As spring unfolds in Annecy, France, May emerges as a radiant gem in the annual sunshine tapestry, basking in 356 hours of glorious sunlight. This is a notable increase from the previous months, with April already enjoying 349 hours and March at 299 hours. The sunny trend continues into June, where the hours soar even higher to 396, ultimately culminating in 418 hours in July, suggesting that summer is just around the corner. This progressive buildup of daylight not only enhances the beauty of Annecy’s stunning landscapes but also invites both locals and visitors to revel in outdoor activities, making May a perfect prelude to the vibrant summer that lies ahead.

Monthly Sunshine Duration in Annecy: May Highlighted

The May sunshine duration represents the total number of hours Annecy 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.
JanFebMarAprMayJunJulAugSepOctNovDec165h232h299h349h356h396h418h390h329h286h220h194h
Data source: Annecy May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Annecy During May

In Annecy, France, the month of May shows a 28% chance of sunny weather, which is a notable dip compared to the preceding months of March and April, both boasting a more favorable 52% likelihood of sunshine. This decline hints at the transition from the brighter early spring days to a more variable late spring climate. Interestingly, while the chances of sun in May may not be as promising, they do set the stage for a gradual increase in sunshine opportunities as summer unfolds, with June and July revealing rising percentages of 36% and 39% respectively. Overall, while May may not guarantee sunshine, it signifies the shift towards warmer months, where outdoor activities become increasingly inviting.

Percentage of Sunny Days in May in Annecy

The chart illustrates the percentage of sunny days in Annecy 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 Annecy experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec23%40%52%52%28%36%39%48%39%46%39%40%
Data source: Annecy May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Annecy in May

As spring blossoms in Annecy, France, daylight duration begins to increase significantly, laying a foundation for longer, sun-kissed days. Starting with a modest 9 hours of daylight in January, the month of May brings a delightful 14 hours, marking a clear upward trend that continues into early summer. By June and July, residents enjoy an impressive 15 hours of daylight, perfect for outdoor activities and soaking up the vibrant beauty of the region. However, as summer transitions into autumn, daylight gradually wanes, with September offering 12 hours, and expectations of shorter days in October and beyond. This rhythmic cycle not only highlights the changing seasons but also invites locals and visitors alike to make the most of Annecy's enchanting landscapes amid the generous daylight of late spring and summer.

Average Daylight Hours in Annecy for May

The chart illustrates the variation in daylight duration in Annecy throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 6m10h 21m11h 56m13h 33m14h 57m15h 39m15h 17m14h 2m12h 29m10h 52m9h 27m8h 42m
Data source: Annecy daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Annecy

In May, Annecy experiences a gentle breeze with an average wind speed of 1.5 m/s (3 mph), consistent with the calming atmosphere of spring. This slight dip from the upward trend seen in the earlier months reflects a shift towards warmer and more stable weather as the region transitions to summer. Interestingly, the wind speeds tend to fluctuate throughout the year, peaking slightly in April at 1.8 m/s before tapering off. As the days grow longer and the flowers bloom, the mild winds of May create a serene backdrop for leisurely strolls along the picturesque lakeside, making it an ideal time for outdoor explorations in this charming French town.

Average May Wind Speed in Annecy

The chart displays monthly wind speed patterns in Annecy, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.51.61.71.81.5 m/s1.31.41.51.21.61.41.6
Data source: Annecy May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Annecy Compares to Other Months

The weather in Annecy 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 Annecy and find detailed weather information for every month.

May and January present stark contrasts in weather. In May, temperatures range from a chilly -2°C (28°F) to a warm 28°C (82°F), with an average of 12°C (53°F). Precipitation is moderate at 199 mm (7.8 in) over 18 days, and humidity is relatively high at 78%. In stark contrast, January is much colder, with temperatures plummeting as low as -19°C (-1°F) and averaging -1°C (30°F), peaking at 11°C (51°F). Although January has less precipitation at 130 mm (5.1 in) over 11 days, the humidity is higher, reaching 91%. For a detailed look at January weather, visit Annecy weather in January.

May and February present a striking contrast in weather patterns. In May, temperatures rise significantly, with minimums around -2°C (28°F) and average highs reaching up to 28°C (82°F). This month experiences higher humidity levels at 78% and considerable precipitation, totaling 199 mm (7.8 in) over about 18 days. Conversely, February is much colder, starting with minimum temperatures dipping to -15°C (5°F) and averaging only 2°C (36°F), with maximums reaching 17°C (63°F). It also sees less precipitation at 112 mm (4.4 in) across 11 days, but the humidity is slightly higher at 87%. For more detailed insights, check Annecy weather in February.

Comparing the weather in May and March reveals a significant shift in temperature and conditions. In May, the average temperature rises to a mild 12°C (53°F), with highs reaching up to 28°C (82°F), while March struggles with an average of only 5°C (41°F) and maximums of 19°C (67°F). Precipitation is more frequent in May, with 199 mm (7.8 in) over 18 days, compared to March's 154 mm (6.1 in) over 15 days. Additionally, May has slightly lower humidity at 78% compared to March's 84%. For a more detailed view of March weather, you can check Annecy weather in March.

When comparing the weather in April and May, it's evident that May brings warmer temperatures, with a minimum of -2°C (28°F) and an average of 12°C (53°F), contrasting with April's milder minimum of -9°C (16°F) and average of 8°C (47°F). Additionally, May sees a maximum temperature rise to 28°C (82°F), while April peaks at 23°C (75°F). However, May also experiences significantly higher precipitation, accumulating 199 mm (7.8 in) over 18 days, compared to April's 77 mm (3.0 in) over just 10 days. Despite this, April has slightly higher humidity at 83%, compared to May's 78%. For more specific insights on April weather, you can check out Annecy weather in April.

May and June exhibit notable differences in weather patterns. In May, temperatures range from a chilly minimum of -2°C (28°F) to a warm maximum of 28°C (82°F), with an average temperature of 12°C (53°F). This month brings substantial rainfall, totaling 199 mm (7.8 in) over 18 days, coupled with high humidity levels at 78%. In contrast, June sees a shift towards warmer weather, with minimum temperatures of 4°C (39°F) and maximums reaching 32°C (91°F), resulting in a pleasant average of 16°C (62°F). Additionally, June experiences less rainfall, with 155 mm (6.1 in) over 15 days and slightly lower humidity at 75%. For a more detailed forecast, check out Annecy weather in June.

The weather in May can be quite chilly, with temperatures ranging from a minimum of -2°C (28°F) to a maximum of 28°C (82°F) and an average of 12°C (53°F). This month sees significant rainfall, accumulating 199 mm (7.8 in) over about 18 days, accompanied by a high humidity level of 78%. In contrast, July offers much warmer temperatures, with a minimum of 7°C (44°F), an average of 18°C (65°F), and a peak of 33°C (91°F). Rainfall is lower in July, at 118 mm (4.6 in) over 14 days, and humidity decreases slightly to 72%. For more specific details about conditions during this month, visit Annecy weather in July.

May and August present distinctly different weather patterns. In May, temperatures range from a chilly minimum of -2°C (28°F) to a warm maximum of 28°C (82°F), with an average of 12°C (53°F). May is characterized by significant precipitation, totaling 199 mm (7.8 in) over 18 days, along with high humidity levels at 78%. In contrast, August warms up with minimum temperatures around 6°C (43°F) and maximums reaching 31°C (89°F), leading to a more comfortable average of 18°C (64°F). Precipitation drops to 121 mm (4.8 in) over just 13 days and humidity decreases to 63%. For those interested in specifics about August weather, you can find more information here: Annecy weather in August.

May and September present distinct weather contrasts. In May, temperatures vary significantly, with a minimum of -2°C (28°F) and a maximum reaching 28°C (82°F), resulting in an average temperature of 12°C (53°F). The month is characterized by higher precipitation, totaling 199 mm (7.8 in) across 18 days, along with a humidity level of 78%. Conversely, September experiences milder conditions, with minimum temperatures at 0°C (33°F) and maximums of 26°C (80°F), for an average of 14°C (57°F). Additionally, it sees considerably less rainfall—86 mm (3.4 in) over just 11 days—along with a slightly lower humidity of 73%. For more detailed information on September weather, you can check Annecy weather in September.

May and October display distinct weather patterns that reflect the transition of seasons. May enjoys warmer average temperatures, ranging from a minimum of -2°C (28°F) to a maximum of 28°C (82°F), with an overall average of 12°C (53°F). In contrast, October is cooler, with temperatures dipping to a minimum of -3°C (27°F) and peaking at 21°C (71°F), leading to an average of 9°C (49°F). While May experiences higher precipitation at 199 mm (7.8 in) over 18 days, October sees a reduction in both rainfall and rainy days, totaling 121 mm (4.8 in) across just 11 days. Additionally, October tends to have a higher humidity level at 89%, compared to May's 78%. For more details, you can check Annecy weather in October.

May and November present contrasting weather conditions. In May, temperatures range from a minimum of -2°C (28°F) to a maximum of 28°C (82°F), with an average of 12°C (53°F). It also experiences higher precipitation, with 199 mm (7.8 in) spread over approximately 18 days, resulting in a humidity level of 78%. In contrast, November sees cooler temperatures, with a minimum of -7°C (19°F) and a maximum of 18°C (65°F), averaging at 4°C (39°F). Rainfall is less frequent, totaling 117 mm (4.6 in) over about 12 days, but humidity rises to 90%. For more detailed information, check Annecy weather in November.

May and December present stark contrasts in weather patterns. In May, temperatures range from a cool -2°C (28°F) at night to a warm 28°C (82°F) during the day, with an average of 12°C (53°F). The month experiences significant rainfall, totaling 199 mm (7.8 in) over approximately 18 days, with humidity averaging around 78%. Conversely, December brings colder conditions, with temperatures dropping to a minimum of -14°C (7°F), an average of 0°C (33°F), and a maximum of 12°C (53°F). Precipitation increases slightly to 239 mm (9.4 in) across the same number of rainy days, coupled with higher humidity levels at 90%. For a more detailed look at the winter climate, visit Annecy weather in December.

Compare Annecy's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Annecy

As May unfolds in Annecy, the weather begins to transition, marked by warmer days and a hint of summer's approach. With maximum temperatures reaching up to 28°C (82°F), this month stands out compared to the cooler preceding months, bringing a notable increase in warmth. However, it's essential to note that May also hosts a fair amount of rainfall, with precipitation occurring on roughly 18 days, contributing to a humidity level of 78%. This combination generates a unique mix of freshness and warmth, making May distinct from both the chilly spells of winter and the sweltering heat of mid-summer. For a deeper understanding of Annecy's weather patterns throughout the year, explore the detailed information available at Annecy Climate.