Last updated: August 27, 2025
Experience the charm of Arosa, Switzerland in July, where the warm days invite outdoor adventures. With maximum temperatures reaching 25°C (78°F) and an average of 11°C (53°F), the weather is pleasantly mild, making it ideal for exploring the stunning alpine scenery. However, be prepared for a little rain, as July sees about 152 mm (6.0 in) of precipitation over 20 days, contributing to the lush greenery of the region. The humidity level of 83% adds a touch of freshness to the crisp mountain air. Embrace the mix of sun and rain in this picturesque getaway!
In July, Arosa, Switzerland, experiences a delightful summer transformation, with temperatures rising from a minimum of 2°C (36°F) to a comfortable maximum of 25°C (78°F). The average temperature settles at a pleasant 11°C (53°F), making it the warmest month of the year in this picturesque alpine resort. Unlike the frigid winter months, where temperatures can plummet to as low as -30°C (-21°F) in January, July's mild climate invites outdoor activities and leisurely hikes amidst stunning mountain scenery. As the days warm up, visitors can enjoy the lush green landscapes without the overwhelming heat, striking a perfect balance that showcases Arosa's natural beauty in summer.
In July, Arosa, Switzerland experiences a notable surge in precipitation, with 152 mm (6.0 in) of rain falling over 20 days. This reflects a pattern of increasing rainfall as the summer unfolds, following June's 147 mm and May's peak of 161 mm. The consistent wet days contribute to the lush alpine landscape, creating vibrant greenery that attracts nature enthusiasts. Interestingly, the precipitation begins to escalate in the summer months, peaking in August at 197 mm (7.8 in). This trend underscores the region's reliance on summer rains, which play a crucial role in supporting its stunning mountain ecosystems while also hinting at the potential for afternoon thunderstorms typical of the season.
In Arosa, Switzerland, the humidity levels exhibit a remarkable trend throughout the year, with July sitting comfortably at 83%. This slight dip from June’s 82% indicates a gradual relief from the peak humidity of earlier months, giving way to the delightful warmth of summer. Starting from a high of 92% in January, the humidity steadily decreases through the spring, reaching its lowest in May at 80%. As summer unfolds, humidity remains relatively stable, hovering around the low 80s, before shifting upwards again in the fall months. This pattern not only enhances Arosa's charm in July but also creates a pleasant atmosphere for outdoor enthusiasts looking to enjoy the natural beauty of the Swiss mountains.
In July, Arosa, Switzerland, experiences a notably high UV Index of 10, classifying exposure as very high and resulting in a burn time of just 15 minutes. This peak level is consistent with the previous month, indicating that summer sun in the Swiss Alps can be intense. From April to June, the UV Index steadily rises, reflecting the increasing intensity of sunlight as the season progresses. After July, we begin to see a slight decline in UV levels, with August registering a UV Index of 9, while September cools down to a 7. It’s essential to stay vigilant and protect your skin during these months. For detailed insights, check out the Arosa UV Index.
UV Risk Categories
July shines brightly in Arosa, Switzerland, capturing the essence of summer with an impressive 408 hours of sunshine. This month stands out as the sunniest of the year, following a steady increase in daylight that begins as early as January's dreary 173 hours. As spring unfolds into June, the sun gradually warms the landscape, culminating in July's radiant glow. However, as summer gives way to autumn, sunshine hours begin to taper off, dipping to 368 hours in August and further declining in September. The trend reflects not just the joy of summer warmth but also the anticipation of Arosa’s idyllic seasonal transitions, making July a coveted month for outdoor adventures in this stunning alpine paradise.
In Arosa, Switzerland, the chances of enjoying sunny weather in July stand at 31%, reflecting a slight dip compared to the earlier months of spring. This trend shows that while July offers a moderate opportunity for sun, it trails closely behind the sunnier spells of February, when the likelihood peaks at 43%. Interestingly, as the summer progresses into August, the sun's presence tapers off just a touch more, with chances falling to 30%. Overall, July's weather can be characterized as a blend of warmth and occasional clouds, making it a delightful time for outdoor activities, even if the sun isn't guaranteed to shine every day.
In Arosa, Switzerland, July shines with a comforting 15 hours of daylight, maintaining the same bright allure established in June. This peak in illumination fosters an enchanting atmosphere amidst the picturesque Alpine landscape, encouraging outdoor adventures and lively social gatherings. As summer reaches its zenith, the consistent daylight hours allow for extended explorations, while the gradual decrease towards August—where daylight dips to 14 hours—serves as a gentle reminder of the changing seasons on the horizon. Arosa's July showcases a delightful balance of vibrant light and summer vitality.
In July, the average wind speed in Arosa, Switzerland remains a gentle 1.5 m/s (about 3 mph), consistent with the calm breezes enjoyed throughout the summer months. This stability in wind speed, similar to June, signifies a tranquil atmosphere perfect for outdoor activities and leisurely exploration. As the year progresses, a slight dip is noticeable in August and September, where winds calm to 1.3 m/s before gradually picking up again in October to 1.6 m/s. Overall, the trend highlights Arosa's typically mild and serene summer breezes, providing visitors with an inviting environment to soak in the breathtaking Alpine scenery.
Weather in Arosa varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Arosa, focusing on differences in temperature, rainfall, humidity, and UV levels.
July and January present a striking contrast in weather patterns. In July, temperatures range from a minimum of 2°C (36°F) to a maximum of 25°C (78°F), with an average of 11°C (53°F), while precipitation occurs over 20 days, totaling 152 mm (6.0 in) and accompanied by a humidity level of 83%. In sharp contrast, January experiences much harsher conditions, with temperatures plummeting to a minimum of -30°C (-21°F) and reaching a maximum of only 5°C (40°F), resulting in an average of -9°C (16°F). Precipitation is less frequent in January, occurring over just 11 days and totaling 92 mm (3.6 in), but humidity remains high at 92%. For a detailed look at January weather, you can refer to Arosa weather in January.
July and February present strikingly different weather conditions. In July, temperatures range from a chilly minimum of 2°C (36°F) to a warm maximum of 25°C (78°F), with an average of 11°C (53°F). The month sees significant precipitation, totaling 152 mm (6.0 in) over about 20 days, and a humidity level of 83% creates a muggy atmosphere. In contrast, February is characterized by much colder temperatures, with a minimum of -26°C (-14°F) and a maximum of just 9°C (48°F), averaging -6°C (22°F). Precipitation is lower at 65 mm (2.6 in) across 12 days, but humidity rises slightly to 89%, adding to the chill. For a more detailed look at February weather in Arosa, check out Arosa weather in February.
In comparing the weather between July and March, there is a stark contrast in temperatures and conditions. July features a more moderate range of temperatures, with minimums around 2°C (36°F) and maximums reaching up to 25°C (78°F), making it a much warmer month overall. In addition, July experiences higher precipitation levels, with 152 mm (6.0 in) falling over 20 days, accompanied by an average humidity of 83%. Conversely, March is characterized by colder temperatures, where minimums can drop to -26°C (-14°F) and average around -3°C (27°F), with maximums only climbing to 11°C (52°F). Although it has lower total precipitation at 92 mm (3.6 in) over 16 days, the humidity remains fairly high at 87%. For more specific details about the weather in March, you can check Arosa weather in March.
July and April present striking contrasts in weather conditions. In July, temperatures range from a minimum of 2°C (36°F) to a warm maximum of 25°C (78°F), with an average temperature of 11°C (53°F). The month is relatively wet, experiencing 152 mm (6.0 in) of precipitation over about 20 days, along with high humidity levels of 83%. In contrast, April is much cooler, with temperatures fluctuating between a minimum of -24°C (-11°F) and a maximum of 15°C (59°F), and an average of just 1°C (34°F). While it sees lower total precipitation at 87 mm (3.4 in) over 14 days, the humidity is slightly higher at 84%. For more details about the weather in this month, check out Arosa weather in April.
July's weather is noticeably warmer than May's, with average temperatures reaching 11°C (53°F) and highs of 25°C (78°F), compared to May's average of 5°C (41°F) and maximum of 21°C (69°F). Despite July being warmer, it faces higher humidity at 83% and considerable precipitation, with rain occurring on 20 days and totaling 152 mm (6.0 in). In contrast, May experiences slightly more precipitation, at 161 mm (6.3 in), over 23 days, but has a cooler, crisp climate that is characteristic of early spring. For more details on May's weather, you can check Arosa weather in May.
In comparing the weather in July and June, we see that July typically experiences slightly warmer temperatures, with a minimum of 2°C (36°F) and an average of 11°C (53°F) compared to June's minimum of -2°C (28°F) and an average of 10°C (51°F). Interestingly, while July has a higher maximum temperature of 25°C (78°F), June's peak is very close at 26°C (79°F). Both months receive considerable precipitation, with July recording 152 mm (6.0 in) over 20 days, slightly surpassing June’s 147 mm (5.8 in) over 19 days. Humidity levels are also similar, with July at 83% and June at 82%. For a more detailed look at June weather, you can visit Arosa weather in June.
In July, the weather tends to be warmer with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 25°C (78°F), while August sees slightly cooler temperatures, with a minimum of 0°C (31°F) and a maximum of 23°C (74°F). Both months experience significant precipitation, with July totaling 152 mm (6.0 in) and August slightly higher at 197 mm (7.8 in), although both months have similar rainfall frequency of 20 days. Humidity levels are relatively close, with July at 83% and August slightly lower at 80%. For more detailed information, you can check Arosa weather in August.
In July, the weather boasts a more moderate high of 25°C (78°F) with an average of 11°C (53°F), while September experiences cooler temperatures, with a maximum of 20°C (68°F) and an average of 7°C (46°F). The minimum temperatures also reflect this shift, dropping from 2°C (36°F) in July to a chilly -11°C (13°F) in September. Precipitation is slightly lower in September at 134 mm (5.3 in) compared to July's 152 mm (6.0 in), with rainfall occurring on 16 days in September, slightly fewer than the 20 days in July. Despite the drop in temperatures, both months share the same humidity level of 83%. For more detailed information about the weather in September, you can visit Arosa weather in September.
In comparing the weather between July and October, we see a notable shift in temperatures and conditions. July enjoys a milder climate with minimum temperatures around 2°C (36°F) and a maximum reaching 25°C (78°F), resulting in an average of 11°C (53°F). It experiences generous rainfall of 152 mm (6.0 in) spread over 20 days, accompanied by high humidity levels at 83%. In contrast, October ushers in a much cooler atmosphere, with temperatures dropping to a minimum of -9°C (16°F) and a maximum of 16°C (61°F), leading to a significantly lower average of 3°C (39°F). Precipitation also decreases slightly to 133 mm (5.3 in) over 12 days, while humidity rises to 90%. For more detailed information on October weather, you can visit Arosa weather in October.
July and November present stark contrasts in weather conditions. In July, temperatures range from a minimum of 2°C (36°F) to a maximum of 25°C (78°F), with an average temperature of 11°C (53°F). The month experiences significant precipitation, totaling 152 mm (6.0 in) over 20 days, while humidity levels hover around 83%. In contrast, November sees much colder temperatures, with a minimum of -21°C (-5°F), an average of -3°C (27°F), and a maximum of 12°C (55°F). Although precipitation decreases to 103 mm (4.0 in) spread across 13 days, humidity rises slightly to 88%. For a more detailed look at the weather conditions in November, check out Arosa weather in November.
In July, the weather is notably milder, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 25°C (78°F), averaging around 11°C (53°F). Despite the warmer conditions, July experiences significant precipitation, totaling 152 mm (6.0 in) over approximately 20 days, along with high humidity at 83%. In contrast, December brings a stark chill, characterized by much lower temperatures ranging from -27°C (-17°F) to 4°C (40°F), averaging -7°C (19°F). Though the precipitation is slightly lower at 129 mm (5.1 in) over 16 days, the humidity remains high at 90%. For more information on December weather conditions, you can visit Arosa weather in December.
In July, Arosa experiences a distinct shift in weather compared to other months, characterized by warmer temperatures and increased precipitation. With maximums reaching a pleasant 25°C (78°F), the month offers a vibrant contrast to the chillier winter and early spring months. However, be prepared for higher humidity levels at 83% and frequent rain, with precipitation occurring on 20 days throughout the month. This combination of warmth and moisture creates a lush, green landscape, perfect for outdoor activities, yet also reminds visitors that summer in Arosa can be unpredictable. To explore more about the unique climate of Arosa, visit Arosa Climate.