May Weather in Rioja, Spain

Last updated: February 6, 2025

In Rioja, Spain, May brings a delightful blend of warmth and mild conditions, with maximum temperatures reaching 32°C (90°F) and an average of 19°C (66°F). The nights are refreshingly cool, dipping to a minimum of 5°C (41°F), creating a comfortable atmosphere for evening strolls. Rainfall is light, totaling 27 mm (1.0 in) across 5 days, allowing plenty of sunshine for outdoor activities. With a humidity level of 55%, May in Rioja is ideally suited for enjoying the stunning landscapes and vibrant culture during this springtime transition.

May Temperature in Rioja

In May, Rioja experiences a delightful transition into warmer weather, with temperatures reflecting the blossoming spring. The minimum average climbs to 5°C (41°F), while the average temperature spikes to a pleasant 19°C (66°F), peaking at a maximum of 32°C (90°F). This significant rise not only invites outdoor activities but also showcases the region's vibrant landscapes coming to life. As the month progresses, Rioja's climate becomes increasingly inviting, making it an ideal time for wine enthusiasts and travelers to indulge in leisurely vineyard tours and soak in the sun-drenched beauty of this renowned Spanish wine region.

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

The chart illustrates May temperature patterns in Rioja, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec475254576673797972635551
Data source: Temperature data for Rioja 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 Rioja

In May, Rioja, Spain experiences a moderate precipitation level of 27 mm (about 1.0 inch) over five days of the month. This amount reflects a slight decrease from the previous months, where April registered 52 mm of rainfall across nine days. Interestingly, this trend signifies a transition towards drier conditions as the region heads into summer. While May's rainfall is less than the preceding spring months, it still contributes to the lush greenery characteristic of Rioja, vital for the region’s renowned vineyards. As rainfall tapers off into June, which sees just 9 mm (0.4 in) over two days, the landscape begins to shift, paving the way for warmer, drier days ahead.

May Precipitation Trends in Rioja

The chart displays monthly precipitation patterns in Rioja, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2918495227931432383217
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Rioja

Nestled in the natural beauty of Rioja, Spain, May brings a delightful shift in humidity, lowering to a comfortable 55%. This marks a continuation of the downward trend that started in the cooler months, where January's humidity peaked at 76%. As the year progresses, the region transitions into a drier phase, with April already dipping to 58%. The lush landscapes of spring are complemented by this ideal humidity level, making May a perfect time for outdoor activities and vineyard visits. Interestingly, this moderate humidity is mirrored in both July and August, suggesting a seasonal balance that enriches the wine-growing environment. As the summer draws near, the delightful climate of Rioja invites residents and visitors alike to embrace the vineyards and lush countryside before the humidity begins to rise again in the fall.

May Average Humidity in Rioja

This chart illustrates the average monthly humidity levels in Rioja, 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.
JanFebMarAprMayJunJulAugSepOctNovDec76%71%66%58%55%50%55%54%61%70%76%79%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Rioja

As spring transitions into summer, the UV Index in Rioja, Spain, reaches new heights in May, peaking at 10, which indicates very high exposure levels and a burn time of just 15 minutes. This marks a significant increase from the preceding months, where the index steadily rose from moderate values of 3 in January to high levels of 7 in March and very high 9 in April. As temperatures rise, it's essential for residents and visitors alike to take precautions—sunscreen, protective clothing, and shade become your best friends during this time. Keep a close eye on that UV Index as summer approaches, reaching an extreme peak of 12 in June! For more detailed information on the UV Index throughout the year, check out Rioja UV Index.

Maximum UV Index Levels in Rioja for May

The chart shows the monthly maximum UV Index (UVI) for Rioja 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.
JanFebMarAprMayJunJulAugSepOctNovDec3579101211109743
Data source: Rioja 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 Rioja

In Rioja, Spain, the month of May shines brightly with an impressive 406 hours of sunshine, marking a delightful transition into the summer season. This surge in sunlight reflects an upward trend that begins in the early months of the year; January starts with just 222 hours, gradually building momentum towards the lush spring. By the time April rolls around, residents and visitors alike enjoy 350 hours of sun, setting the stage for May's vibrant warmth. Following May, the sunshine continues to peak in June and July, showcasing Rioja's allure as the days become longer and brighter. As summer wanes, the sunshine hours taper off, but the delightful spring warmth of May firmly cements its place as a highlight in Rioja's climatic calendar.

Monthly Sunshine Duration in Rioja: May Highlighted

The May sunshine duration represents the total number of hours Rioja 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.
JanFebMarAprMayJunJulAugSepOctNovDec222h279h329h350h406h409h420h391h340h325h277h272h
Data source: Rioja May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Rioja During May

In Rioja, Spain, the month of May boasts a 57% chance of sunny weather, making it a delightful time for outdoor activities in the picturesque vineyards. This probability showcases a slight increase from the cooler months, such as April, which dips to 39%, indicating a gradual transition into more favorable weather conditions. As the seasons progress into June, the likelihood of sunshine dramatically rises to 73%, suggesting that May acts as a pleasant prelude to the sun-drenched summer months. Overall, May presents a balanced blend of charm and sunshine, ideal for savoring the beauty of Rioja's landscapes.

Percentage of Sunny Days in May in Rioja

The chart illustrates the percentage of sunny days in Rioja 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 Rioja experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec56%50%58%39%57%73%87%73%62%44%68%60%
Data source: Rioja May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Rioja in May

In Rioja, Spain, the progression of daylight throughout the year reveals a captivating rhythm of light. January begins with just 9 hours of daylight, gradually increasing to 10 hours in February and 11 hours in March. As spring emerges, daylight extends to 13 hours in April, culminating in a vibrant 14 hours by May, where the region basks in the brilliance of longer days. This peak in daylight continues through June and July, emphasizing the sun's generous presence during the height of summer. As August transitions to September, daylight begins to wane, softly descending to 12 hours, followed by a gentle retreat to 11 hours in October, and back to 10 hours in November. Finally, December returns to the subdued 9 hours, completing the circle of light’s dominance and retreat in this enchanting Spanish locale.

Average Daylight Hours in Rioja for May

The chart illustrates the variation in daylight duration in Rioja throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 56m10h 49m11h 58m13h 9m14h 8m14h 38m14h 22m13h 30m12h 22m11h 12m10h 10m9h 39m
Data source: Rioja daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Rioja

In May, the winds in Rioja, Spain, whisper gently with an average speed of 2.1 m/s (5 mph), marking a subtle decline from the slightly breezier months of winter and early spring. This trend of consistent light breezes continues a pattern observed from January through April, where wind speeds have hovered around 2.2 to 2.4 m/s. As the region transitions into summer, the gentle air remains prevalent, providing a refreshing backdrop to the blossoming vineyards. With each passing month, particularly May to August, the wind speeds show a gradual decrease, hinting at the calm that envelops Rioja as it basks in the warmth of approaching summer.

Average May Wind Speed in Rioja

The chart displays monthly wind speed patterns in Rioja, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.22.52.42.32.1 m/s2.22.21.92.02.02.12.1
Data source: Rioja May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Rioja Compares to Other Months

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

The weather in May is generally warmer and more varied compared to January. In May, temperatures range from a minimum of 5°C (41°F) to a maximum of 32°C (90°F), with an average of 19°C (66°F) and relatively low humidity at 55%. It experiences about 27 mm (1.0 in) of precipitation over 5 days. In contrast, January tends to be cooler, with temperatures ranging from -1°C (30°F) to 23°C (73°F) and an average temperature of 8°C (48°F). Humidity is higher in January at 76%, and it sees a similar amount of precipitation at 29 mm (1.1 in) over just 4 days. For more detailed information, you can check Rioja weather in January.

In comparing the weather between May and February, we see distinct differences in temperature and humidity levels. May experiences a wider temperature range, with minimums of 5°C (41°F) and maximums reaching up to 32°C (90°F), averaging around 19°C (66°F). In contrast, February is cooler, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 23°C (73°F), averaging just 11°C (52°F). Additionally, February has higher humidity at 71%, compared to May's more comfortable 55%. Rainfall is also slightly less in February, with 18 mm (0.7 inches) over 4 days, compared to May's 27 mm (1.0 inch) spread over 5 days. For more detailed information, you can check Rioja weather in February.

The weather in May is generally warmer and more pleasant than in March. In May, temperatures range from a minimum of 5°C (41°F) to a maximum of 32°C (90°F), with an average of 19°C (66°F), while March sees lower temperatures, with a minimum of 2°C (35°F) and a maximum of 26°C (79°F), averaging 12°C (54°F). Additionally, May experiences less precipitation, with only 27 mm (1.0 in) over 5 days, compared to March's 49 mm (1.9 in) over 7 days. Humidity levels also shift, with May at 55% and March at a higher 66%. For more details on March weather, you can check Rioja weather in March.

In April, the weather is cooler with a minimum temperature of 3°C (38°F) and an average of 14°C (57°F), while May brings milder conditions, featuring a minimum of 5°C (41°F) and an average of 19°C (66°F). April experiences more precipitation, totaling 52 mm (2.0 in) over 9 days, compared to May's 27 mm (1.0 in) over 5 days. Additionally, humidity levels are slightly higher in April at 58%, compared to 55% in May. For more detailed information, check out Rioja weather in April.

May and June show a notable transition in weather conditions. In May, temperatures range from a cooler minimum of 5°C (41°F) to a warm maximum of 32°C (90°F), with an average of 19°C (66°F). The month experiences moderate precipitation of 27 mm (1.0 in) over about 5 days and maintains a humidity level of 55%. Conversely, June features warmer temperatures, with a minimum of 12°C (54°F) and a maximum of 34°C (94°F), resulting in a higher average of 23°C (74°F). This month sees significantly less rainfall, totaling only 9 mm (0.4 in) over just 2 days, and slightly lower humidity at 50%. For more details about the weather in June, you can check Rioja weather in June.

When comparing the weather in May and July, significant differences can be observed. May features a broader range of temperatures with minimums around 5°C (41°F) and maximums reaching up to 32°C (90°F), while July boasts higher averages, with a minimum of 15°C (60°F) and maximums soaring to 38°C (101°F). Additionally, May experiences more precipitation, averaging 27 mm (1.0 in) across about 5 days, whereas July remains remarkably dry with only 3 mm (0.1 in) and no rainy days. Interestingly, both months maintain a consistent humidity level of 55%. For more specific details about July weather, check out Rioja weather in July.

May and August present quite distinct weather profiles. In May, temperatures range from a cooler minimum of 5°C (41°F) to a pleasant average of 19°C (66°F), peaking at a warm 32°C (90°F). The month sees moderate precipitation of 27 mm (1.0 in) across about 5 days, with humidity levels averaging around 55%.

In contrast, August experiences significantly warmer temperatures, with a minimum of 17°C (62°F) and an average of 26°C (80°F), reaching a maximum of 38°C (101°F). Rainfall is scarce in August, totaling just 14 mm (0.5 in) and occurring on only 1 day, while humidity remains relatively stable at 54%. For those considering a visit, more detailed insights can be found in this link: Rioja weather in August.

May and September present distinct weather patterns, reflecting the transition between spring and autumn. In May, temperatures range from a chilly minimum of 5°C (41°F) to a warm maximum of 32°C (90°F), with an average of 19°C (66°F). This month sees a modest 27 mm (1.0 in) of precipitation over about 5 days, with humidity around 55%. In contrast, September boasts milder minimum temperatures at 12°C (55°F) and higher average temperatures of 22°C (72°F), peaking at 35°C (95°F). It experiences slightly more precipitation at 32 mm (1.3 in) over 4 days, along with a higher humidity level of 61%. For more detailed insights on how the weather differs, you can explore Rioja weather in September.

In May, the weather typically features a wider temperature range, with minimums around 5°C (41°F) and maximums reaching up to 32°C (90°F), providing pleasant daytime warmth at an average of 19°C (66°F). The humidity is relatively moderate at 55%, and the month sees about 27 mm (1.0 in) of rainfall over approximately five days.

In contrast, October experiences slightly cooler overall temperatures, with a minimum of 4°C (39°F) and an average of 17°C (64°F), while the maximum temperature can still reach 31°C (88°F). Precipitation increases to 38 mm (1.5 in) over the same number of days, and humidity rises to 70%, contributing to a more damp atmosphere. For more insights into October weather in Rioja, visit Rioja weather in October.

May and November present contrasting weather patterns, highlighting the transition of seasons. In May, temperatures range from a comfortable low of 5°C (41°F) to a warm high of 32°C (90°F), with an average of 19°C (66°F). The month sees a relatively low precipitation total of 27 mm (1.0 in) spread over 5 days, and humidity levels hover around 55%, contributing to a pleasant, mild atmosphere.

Conversely, November experiences cooler temperatures, with a minimum of 3°C (37°F) and a maximum of 25°C (78°F), averaging only 13°C (55°F). This month encounters slightly more precipitation at 32 mm (1.2 in) over the same 5 days, and humidity rises to 76%, resulting in a noticeably damp and cooler environment. Overall, May tends to offer warmer and drier conditions compared to the cooler, more humid atmosphere in November. For a more detailed look, check out Rioja weather in November.

In May, the weather is generally warm and pleasant, with average temperatures ranging from a cool 5°C (41°F) to a hot 32°C (90°F), while also featuring modest precipitation of 27 mm (1.0 in) spread over about 5 days. The humidity sits at a comfortable 55%, making it an ideal time for outdoor activities. In contrast, December ushers in much cooler conditions, with temperatures fluctuating between a chilly -1°C (31°F) at night to a milder high of 23°C (74°F) during the day. With only 17 mm (0.7 in) of rain over about 2 days, the month is characterized by a higher humidity of 79%, which can make it feel colder. For a detailed insight into what to expect during this month, you can check Rioja weather in December.

Compare Rioja's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Rioja

May in Rioja stands out with its warm temperatures and relatively low humidity, creating an inviting atmosphere for outdoor activities. This month marks a transition from the cool spring days to the hotter summer months, offering an average warmth that enhances the region's vibrant landscapes. While rainfall is minimal, occasional light showers—typically lasting only a few days—keep the surroundings lush and green. As you explore the beauty of Rioja during May, you'll experience the perfect blend of comfort and nature. For a more detailed understanding of weather patterns throughout the year, visit Rioja Climate.