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May Weather in San Pier d'Isonzo, Italy

Last updated: August 23, 2025

In May, the average temperature in San Pier d'Isonzo, Italy is a pleasant 17°C (63°F). Visitors can expect a range from a cool 9°C (49°F) to a warm 25°C (78°F). However, be prepared for some rain, as there is an average precipitation of 144 mm (5.7 in) spread over 16 days. Don't forget to consider the average humidity of 70%, which can make the air feel a bit more comfortable or humid!

May Temperature in San Pier d'Isonzo

In May in San Pier d'Isonzo, the average temperature is 17°C (63°F), with maximums that can reach 25°C (78°F) and minimums that can dip as low as 9°C (49°F). This pleasant climate makes San Pier d'Isonzo an ideal destination for traveling during this time of year, offering comfortable conditions for exploration and outdoor activities.

May Weather in San Pier d'Isonzo: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in San Pier d'Isonzo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Pier d'Isonzo, May typically has an average temperature of 17°C (63°F), with highs reaching up to 25°C (78°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec434548556373767769615446
Data source: Temperature data for San Pier d'Isonzo 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 San Pier d'Isonzo

In San Pier d'Isonzo in May, the total precipitation amount is 144 mm (5.7 in), which occurs over a span of 16 days.

May Precipitation Trends in San Pier d'Isonzo

The chart displays monthly precipitation patterns in San Pier d'Isonzo, 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 San Pier d'Isonzo, May typically receives around 144 mm (5.7 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec6212275111144916267183135214164
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in San Pier d'Isonzo

In San Pier d'Isonzo in May humidity is 70%. With an average temperature of 17°C (63°F), this humidity feels like a warm embrace, making travel both refreshing and slightly sticky, as you navigate the air thick with moisture.

May Average Humidity in San Pier d'Isonzo

This chart illustrates the average monthly humidity levels in San Pier d'Isonzo, 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 San Pier d'Isonzo is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%82%73%73%70%69%63%51%64%83%89%88%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in San Pier d'Isonzo

In San Pier d'Isonzo in May, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in San Pier d'Isonzo.

Maximum UV Index Levels in San Pier d'Isonzo for May

The chart shows the monthly maximum UV Index (UVI) for San Pier d'Isonzo 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 San Pier d'Isonzo typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987532
Data source: San Pier d'Isonzo 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.

How May Weather in San Pier d'Isonzo Compares to Other Months

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

This table compares monthly weather conditions in San Pier d'Isonzo, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)61 mm (2.4 inches)88%low
February Weather7°C (46°F)122 mm (4.8 inches)82%moderate
March Weather9°C (49°F)75 mm (2.9 inches)73%moderate
April Weather13°C (56°F)111 mm (4.4 inches)73%high
May Weather17°C (63°F)144 mm (5.7 inches)70%very high
June Weather23°C (73°F)91 mm (3.6 inches)69%very high
July Weather24°C (76°F)62 mm (2.5 inches)63%very high
August Weather25°C (78°F)67 mm (2.6 inches)51%very high
September Weather21°C (70°F)183 mm (7.2 inches)64%high
October Weather16°C (62°F)135 mm (5.3 inches)83%moderate
November Weather12°C (54°F)214 mm (8.4 inches)89%moderate
December Weather8°C (47°F)164 mm (6.5 inches)88%low

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