July Weather in Castel Gandolfo, Italy

Last updated: March 24, 2025

July in Castel Gandolfo, Italy, showcases a balmy climate perfect for summer adventures. With maximum temperatures reaching 36°C (96°F) and an average of 25°C (78°F), visitors can expect warm days ideal for outdoor exploration. The nights offer a refreshing contrast, with minimum temperatures dipping to 16°C (61°F). While the region experiences 31 mm (1.2 in) of rainfall over just 4 days, the relative humidity remains moderate at 57%, adding a touch of moisture to the warm Italian air. Embrace the vibrant atmosphere and delightful weather that Castel Gandolfo has to offer in July!

July Temperature in Castel Gandolfo

In July, Castel Gandolfo basks in the warmth of summer, offering visitors delightful temperatures that contribute to its allure. The month kicks off with a minimum temperature of 16°C (61°F) and reaches a striking maximum of 36°C (96°F), creating ideal conditions for enjoying the region's stunning landscapes. With an average temperature of 25°C (78°F), July stands as one of the warmest months, showcasing a notable rise from the cooler spring months. This trend towards higher temperatures not only enhances outdoor activities but also emphasizes the charm of Italian summer evenings, where the balmy weather is perfect for dining al fresco or enjoying leisurely strolls along the scenic lakeside. As the warm days transition into sultry evenings, Castel Gandolfo becomes a vibrant destination for both relaxation and adventure.

July Weather in Castel Gandolfo: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Castel Gandolfo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec444850566472777870615547
Data source: Temperature data for Castel Gandolfo generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

July Precipitation in Castel Gandolfo

In July, Castel Gandolfo experiences a notable shift in its precipitation patterns, with only 31 mm (1.2 in) of rain over just 4 days, making it one of the driest months of the year. This decrease in rainfall follows a trend of higher precipitation in the spring months, such as 94 mm in March and 89 mm in May, creating a contrast with the warm summer season. As the typically serene summer unfolds, the skies of Castel Gandolfo bring lighter showers, paving the way for picturesque days filled with sunshine and outdoor activities. This pattern continues into August, where rainfall slightly decreases to 28 mm (1.1 in), reinforcing the dry conditions of the summer months. Overall, the rain variety in July demonstrates the shift towards a drier climate as the year progresses.

July Precipitation Trends in Castel Gandolfo

The chart displays monthly precipitation patterns in Castel Gandolfo, with values for each month alongside July's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec7392947589473128106106191170
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

July Humidity in Castel Gandolfo

In Castel Gandolfo, Italy, July marks a notable shift in humidity levels, dipping to 57%, the lowest point of the year. This decline follows a trend of decreasing humidity from the more humid spring months, where levels hover around 70%, down to a comfortable summer ambiance. As the heat of July sets in, the atmosphere transforms, offering a refreshing contrast to the high humidity experienced in winter months, peaking at 84% in January and December. Transitioning into August, humidity continues to retreat to 53%, solidifying July's position as part of a drier, more pleasant summer season. Such patterns highlight Castel Gandolfo's appealing climate, balancing warmth with lower humidity, ideal for outdoor activities.

July Average Humidity in Castel Gandolfo

This chart illustrates the average monthly humidity levels in Castel Gandolfo, with July's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how July's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec84%76%69%70%70%61%57%53%65%75%82%84%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Castel Gandolfo

In July, Castel Gandolfo experiences some of its highest UV levels, boasting a UV Index of 10, categorizing it within the very high exposure range. As the summer sun reaches its peak, residents and visitors alike should be particularly cautious, as the recommended burn time is a mere 15 minutes. Following the trend established in June, where the UV Index also peaked at 10, July continues the pattern of intense sunlight that characterizes these summer months. With an Index that remains high through August before gradually declining in September, it's essential to stay vigilant about sun protection during this time. For more details on UV exposure and safety, check out Castel Gandolfo UV Index.

Maximum UV Index Levels in Castel Gandolfo for July

The chart shows the monthly maximum UV Index (UVI) for Castel Gandolfo in July, 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.
JanFebMarAprMayJunJulAugSepOctNovDec34579101098642
Data source: Castel Gandolfo July 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.

July Sunshine in Castel Gandolfo

As July graces Castel Gandolfo, the sun shines brilliantly, boasting an impressive 430 hours of daylight, making it the sunniest month of the year. This vibrant peak follows a steady ascent from 202 hours in January to 415 hours in June, indicating a delightful progression of sunlight as spring transitions into summer. Interestingly, while August still enjoys a generous 398 hours, it signals a subtle retreat from July's brilliance, leading into a gentle decline in daylight hours as autumn approaches. Overall, the trend showcases a remarkable surge in sunshine, inviting both residents and visitors to bask in the warmth and beauty of this enchanting Italian destination.

Monthly Sunshine Duration in Castel Gandolfo: July Highlighted

The July sunshine duration represents the total number of hours Castel Gandolfo experiences direct sunlight during the month of July, excluding cloudy or obstructed periods. This chart compares the sunshine duration of July with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec202h260h327h355h400h415h430h398h338h314h246h244h
Data source: Castel Gandolfo July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Castel Gandolfo During July

In Castel Gandolfo, July ushers in a delightful 70% chance of sunny weather, making it one of the sunniest months of the year. This upward trend in sunshine begins in the warmer months, with June already flaunting a respectable 58%. As summer reaches its peak, the likelihood of clear skies continues to rise, eventually reaching its zenith in August at 73%. The increased sunshine during this period not only enhances the charm of this picturesque town but also invites locals and tourists alike to enjoy outdoor activities and vibrant lakeside gatherings. With a steady shift from the cooler months—where the chances of sun linger around 35-57%—July stands out as a beacon of warm, sunny days perfect for exploration and relaxation.

Percentage of Sunny Days in July in Castel Gandolfo

The chart illustrates the percentage of sunny days in Castel Gandolfo throughout the year, with July 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 Castel Gandolfo experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec35%57%58%44%46%59%70%74%53%41%33%48%
Data source: Castel Gandolfo July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Castel Gandolfo in July

In Castel Gandolfo, Italy, July marks a peak in the summer’s abundant daylight, offering a generous 14 hours of sunlit hours. Following a trend that begins in spring, where daylight increases from 11 hours in March to 15 hours in June, July maintains this brightness just slightly below the summer solstice. As the month transitions into August, the daylight begins to gradually wane to 13 hours, hinting at the approaching autumn. This subtle decline signals a seasonal shift, as daylight durations decrease steadily through the fall months, reminding us that while summer may be fleeting, its warmth and light linger just a little longer in Castel Gandolfo.

Average Daylight Hours in Castel Gandolfo for July

The chart illustrates the variation in daylight duration in Castel Gandolfo throughout the year, with July highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 31m10h 35m11h 57m13h 21m14h 32m15h 8m14h 49m13h 46m12h 26m11h 2m9h 49m9h 11m
Data source: Castel Gandolfo daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in Castel Gandolfo

In July, the winds of Castel Gandolfo pick up slightly, with an average speed of 2.4 m/s (5 mph), mirroring the gentle breezes of May and November. This light wind, warmer than the chillier months of the year, enhances the enchanting summer atmosphere, making it ideal for leisurely afternoons by the lake or exploring the historic charm of the town. Notably, July's wind speed is a welcome change from the calm of June, which recorded the lowest average at 1.8 m/s (4 mph). As the summer reaches its peak, residents and visitors alike can enjoy the subtle shift in the breeze, providing a refreshing respite from the summer heat while maintaining a consistent trend of mild wind speeds throughout the year.

Average July Wind Speed in Castel Gandolfo

The chart displays monthly wind speed patterns in Castel Gandolfo, with values for each month shown alongside July's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how July's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.72.32.02.12.41.82.4 m/s2.21.72.22.42.3
Data source: Castel Gandolfo July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in Castel Gandolfo Compares to Other Months

The weather in Castel Gandolfo changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of July's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Castel Gandolfo and find detailed weather information for every month.

When comparing the weather in July and January, it's evident that these months represent stark contrasts. July boasts warm temperatures, ranging from a minimum of 16°C (61°F) to a maximum of 36°C (96°F), with an average of 25°C (78°F). This month experiences relatively low precipitation, totaling 31 mm (1.2 in) over just 4 days, accompanied by a moderate humidity of 57%. In sharp contrast, January showcases a much colder climate with temperatures ranging from -6°C (21°F) at night to 18°C (64°F) during the day, averaging just 7°C (44°F). January also has significantly more precipitation, amounting to 73 mm (2.9 in) spread across 9 days, and a higher humidity level at 84%. For those considering a visit, more details and insights can be found at Castel Gandolfo weather in January.

July and February in Castel Gandolfo present a stark contrast in weather conditions. July boasts warm temperatures, with a minimum of 16°C (61°F) and an average of 25°C (78°F), peaking at a high of 36°C (96°F). The month is relatively dry, experiencing only 31 mm (1.2 in) of precipitation over 4 days, coupled with a moderate humidity level of 57%. In contrast, February is characterized by much colder temperatures, reaching a minimum of -12°C (11°F) and an average of just 9°C (48°F), with highs only up to 20°C (68°F). This month sees significantly more rainfall, accumulating 92 mm (3.6 in) over 9 days, and a higher humidity level of 76%. For more detailed information, you can check the Castel Gandolfo weather in February.

In July, the weather is notably warmer with average temperatures ranging from a minimum of 16°C (61°F) to a sweltering maximum of 36°C (96°F), while precipitation is relatively low at 31 mm (1.2 in) over just 4 days. In contrast, March experiences much cooler temperatures, with an average ranging from a low of -11°C (12°F) to a max of 22°C (72°F). Additionally, March sees significantly more precipitation at 94 mm (3.7 in) over 10 days, and higher humidity levels at 69%, creating a damp atmosphere. For more detailed insights, you can explore the weather specifics here: Castel Gandolfo weather in March.

In comparing the weather between July and April, it's clear that July experiences much warmer temperatures, with averages around 25°C (78°F) and maximums reaching up to 36°C (96°F). In contrast, April showcases a cooler climate, with average temperatures of 13°C (56°F) and maximums peaking at 27°C (80°F). Rainfall is notably less in July, with only 31 mm (1.2 in) over about 4 days, while April sees significantly higher precipitation at 75 mm (2.9 in) across 11 days. Additionally, humidity levels are higher in April at 70%, compared to 57% in July. For more detailed insights, you can refer to Castel Gandolfo weather in April.

July and May present notably different weather patterns. July boasts higher temperatures, with a minimum of 16°C (61°F) and an average of 25°C (78°F), reaching up to a maximum of 36°C (96°F). In contrast, May features cooler conditions, with a minimum of 4°C (40°F) and an average of 18°C (64°F), peaking at 33°C (92°F). Rainfall is more significant in May, experiencing 89 mm (3.5 in) over 12 days, compared to July's 31 mm (1.2 in) spread over just 4 days. Additionally, humidity levels are higher in May at 70%, while July experiences a more moderate 57%. For more details, check out Castel Gandolfo weather in May.

When comparing the weather in July and June, July tends to be warmer with an average temperature of 25°C (78°F), peaking at 36°C (96°F), while June sees a lower average of 22°C (72°F) and a maximum of 34°C (94°F). Additionally, July experiences less precipitation, with only 31 mm (1.2 in) over 4 days compared to June's 47 mm (1.9 in) spread across 7 days. Humidity levels are slightly lower in July at 57%, compared to 61% in June. For a more detailed overview, check out Castel Gandolfo weather in June.

In comparing the weather between July and August, we see a slight increase in average temperatures, moving from 25°C (78°F) in July to 26°C (79°F) in August. The maximum temperature also rises, peaking at 37°C (99°F) in August compared to 36°C (96°F) in July. Precipitation is fairly similar, with July receiving 31 mm (1.2 in) over 4 days, while August sees a bit less rainfall at 28 mm (1.1 in) but spreads over 7 days, indicating more frequent, lighter showers. Humidity levels are slightly lower in August at 53%, compared to 57% in July. For more detailed information, you can check Castel Gandolfo weather in August.

In July, the weather is characterized by warm temperatures, with a minimum of 16°C (61°F), an average of 25°C (78°F), and a maximum climbing to 36°C (96°F). Precipitation during this month is relatively low at 31 mm (1.2 in) over just 4 days, and humidity sits at 57%. In contrast, September sees a noticeable drop in temperature, with a minimum of 8°C (47°F) and an average of 21°C (70°F), reaching a maximum of 32°C (90°F). However, it brings much wetter conditions, with rainfall totaling 106 mm (4.2 in) over 10 days, alongside a slight increase in humidity to 65%. For a more detailed look at the weather in September, you can visit Castel Gandolfo weather in September.

July and October exhibit some striking contrasts in weather. July is characterized by warm temperatures, with averages around 25°C (78°F) and highs peaking at 36°C (96°F). The humidity sits at a moderate 57%, and precipitation is relatively low at just 31 mm (1.2 in) over about 4 days. In stark contrast, October sees much cooler temperatures, with an average of 16°C (62°F) and a maximum of 28°C (83°F), alongside a significant increase in precipitation to 106 mm (4.2 in) over approximately 10 days. The humidity also rises to 75%, making October feel much more damp. For a more detailed look into October conditions, you can visit Castel Gandolfo weather in October.

The weather in July and November presents a striking contrast. July boasts warm temperatures with a minimum of 16°C (61°F) and an average high of 36°C (96°F), accompanied by relatively low precipitation of 31 mm (1.2 in) spread over just four days. In stark contrast, November sees much cooler temperatures, with a minimum of -1°C (31°F) and an average of only 13°C (55°F), experiencing significantly higher precipitation at 191 mm (7.5 in) over 16 days. Additionally, November's humidity climbs to 81%, compared to July's 57%, contributing to a much more damp and chilly atmosphere. For more detailed information, you can explore Castel Gandolfo weather in November.

In comparing the weather of July and December, a stark contrast is evident. July boasts a relatively warm climate, with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 36°C (96°F), accompanied by low precipitation levels of 31 mm (1.2 in) over just 4 days. The humidity sits at a comfortable 57%, making it a popular month for outdoor activities. In contrast, December experiences much colder temperatures, with a minimum of -3°C (28°F) and an average of only 8°C (47°F). The month is also much wetter, receiving 170 mm (6.7 in) of rain over 13 days, coupled with higher humidity at 84%. For a closer look at the winter conditions, check out Castel Gandolfo weather in December.

Compare Castel Gandolfo's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Castel Gandolfo

In July, Castel Gandolfo experiences a vibrant summer atmosphere, characterized by warmer temperatures that stand out compared to other months. With maximums reaching up to 36°C (96°F), the heat can be quite intense, though the average temperature remains a pleasant 25°C (78°F). Rainfall is less frequent, with only a few days of measurable precipitation—resulting in a lively yet mostly dry month. The 58% humidity adds to the warm feel but also hints at occasional refreshing breezes, making July a prime time for outdoor activities and enjoying the beautiful landscapes. To learn more about the overall climate and seasonal variations, visit Castel Gandolfo Climate.