May weather forecast
Pamplona, Spain

May marks the beginning of warm weather in Pamplona as temperatures continue their upward climb and humidity takes a slight dip. The increased sunshine duration ensures a pleasant climate, enhancing the potential for outdoor activities. A notable drop in precipitation from the levels seen in April is part of this month's weather narrative. This downward trend in rainfall is just the onset of a prolonged drier spell that takes hold during summer. The progression into June prompts an anticipation of hotter days, indicating a shift to peak summer conditions.

Temperature

May's arrival in Pamplona, Spain, sees a mild rise in the average high-temperature, transitioning from April's comfortable 16.4°C (61.5°F) to an agreeable 20.2°C (68.4°F). During the month of May, the nighttime temperature in Pamplona falls to an average of 8.6°C (47.5°F).

Humidity

In May, the average relative humidity is 63%.

Rainfall

In Pamplona, in May, during 15 rainfall days, 60mm (2.36") of precipitation is typically accumulated. Throughout the year, there are 154 rainfall days, and 671mm (26.42") of precipitation is accumulated.

Daylight

In May, the average length of the day in Pamplona is 14h and 39min.
On the first day of the month, sunrise is at 06:59 and sunset at 21:07. On the last day of May, in Pamplona, sunrise is at 06:30 and sunset at 21:37 CEST.

Sunshine

In Pamplona, the average sunshine in May is 7.4h.

UV index

The average daily maximum UV index in May in Pamplona is 7. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for average individuals.
Note: In May, the maximum UV index of 7 suggests this advice:
Prevent overexposure. Protection from the sun's harmful effects is needed. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.