Last updated: August 27, 2025
June in Rotterdam, Netherlands brings a delightful mix of warmth and humidity, with maximum temperatures soaring up to 32°C (89°F) and an average of 17°C (63°F), making it one of the more pleasant months of the year. Despite the warmth, residents and visitors should be prepared for occasional rain, as 72 mm (2.8 in) of precipitation falls over about 10 days, contributing to a relatively high humidity level of 82%. This combination of sunny days and rain creates a lush environment, perfect for exploring the city's vibrant parks and harbor.
In June, Rotterdam experiences a delightful transition into summer, with temperatures steadily rising. The month kicks off with a minimum of 7°C (45°F), climbing to an average of 17°C (63°F) and peaking at a warm 32°C (89°F). This notable increase from May reflects a broader trend of rising temperatures leading into the summer months, creating an inviting atmosphere perfect for outdoor activities and exploration. The city buzzes with life as locals and visitors alike embrace the longer days, showcasing a vibrant blend of culture and sunshine. Overall, June stands out as a month of warmth and vitality in Rotterdam, setting the stage for the even hotter days ahead.
June in Rotterdam marks a transition into the summer months, bringing with it an average precipitation of 72 mm (2.8 in) over 10 days. This is a slight increase from May's rainfall, aligning with the trend of early summer often experiencing a surge in wet weather as temperatures rise. Though the frequency of rainy days remains modest, it’s indicative of the region’s unpredictable climate. Notably, June's precipitation sets the stage for the wetter conditions that follow in August, where total rainfall spikes significantly. As such, while Rotterdam enjoys longer daylight hours and the warmth of summer, residents should still be prepared for the occasional downpour that June is known for.
In June, Rotterdam experiences a steady humidity level of 82%, mirroring the previous month of May. This stability marks the culmination of a gradual decline from the higher levels seen in the earlier months of the year, where humidity peaked at a substantial 91% in January. Following June, the trend continues downward, with July witnessing an even lower humidity of 80%, indicating a shift towards a drier summer season. Overall, the June humidity reflects not just a mid-year balance, but seamlessly bridges the transition from the damp winter months to the more temperate summer ahead.
In June, Rotterdam experiences a significant uptick in sun intensity, with the UV Index reaching a robust 8, categorizing it as very high. This marks a sharp increase from the more moderate levels observed in the earlier months, where February’s index was just 2. Consequently, outdoor enthusiasts need to be extra cautious this month, as the recommended burn time shrinks to a mere 15 minutes. After the more laid-back sun exposure of winter and spring, June's sunlight demands protective measures to prevent skin damage. It’s crucial to stay informed about these trends in UV radiation, especially as the summer months approach. For detailed information and daily updates, check out Rotterdam UV Index.
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In June, Rotterdam basks in the brilliance of approximately 419 hours of sunshine, marking a delightful peak in the city's radiant summer season. This surge in golden rays follows a consistent upward trend from the year's early months, with each passing month leading up to June showcasing an increase in sunny hours. From a modest 118 hours in January, the days grow ever brighter, culminating in June's vibrant days before the sun begins to mellow again in July with 425 hours. The pattern is clear: as spring blooms into summer, Rotterdam transforms into a sun-drenched haven, inviting residents and visitors alike to enjoy the warm, luminous days of early summer.
As we transition into June in Rotterdam, the likelihood of sunny weather shows a promising 38% chance of sunshine, reflecting a slight dip from the previous month's 40% but still holding steady compared to the summer months ahead. This mid-year snapshot highlights an upward trend in sunshine probability from the chilly depths of winter, starting at just 16% in January and climbing steadily, especially in spring. Although May often boasts a stronger chance of sun, June maintains a favorable position, nestled between the vibrant blooms of spring and the energetic warmth of summer, promising longer days and ample opportunity for outdoor enjoyment. Overall, while June's chances aren't the peak of the year, they certainly contribute to the season's cheerful ambiance as Rotterdam basks in the early summer sun.
As June unfolds in Rotterdam, residents bask in a generous 16 hours of daylight, marking the height of the sun's embrace during the summer months. This noticeable increase from April's 13 hours and May's 15 hours highlights a trend of escalating light as spring gives way to summer. Following June, daylight begins to wane slightly, tapering to 14 hours in August, before transitioning into the softer glow of autumn. The progression from just 8 hours in January to the sun-drenched days of summer paints a vivid picture of the changing seasons, underscoring the rhythm of nature that envelops this vibrant Dutch city.
In June, Rotterdam experiences a noticeable dip in wind speed, averaging 3.2 m/s (7 mph), the calmest month of the year. This reduction marks a shift from the slightly breezier months of spring, particularly April and May, which both hover around 4.2 to 4.4 m/s (9-10 mph). The trend continues into July, where the wind picks up slightly to 3.7 m/s (8 mph), yet remains lower than the earlier spring peaks. Overall, June serves as a transitional month, bringing gentle breezes that provide a refreshing break as the city gears up for the bustling summer days ahead.
Weather in Rotterdam varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Rotterdam, focusing on differences in temperature, rainfall, humidity, and UV levels.
June and January in Rotterdam present quite contrasting weather patterns. June boasts a mild average temperature of 17°C (63°F), with highs reaching up to 32°C (89°F) and a relatively humid atmosphere at 82%. This month typically sees about 72 mm (2.8 in) of rainfall over approximately 10 days, making it a vibrant and warm time of year. In stark contrast, January experiences a much chillier climate, with average temperatures around 5°C (41°F) and nighttime lows dropping to -8°C (19°F). Although it sees slightly less precipitation at 57 mm (2.3 in) over about 12 days, humidity is higher at 91%, contributing to the cold, damp feel of winter. For more detailed insights into January weather, visit Rotterdam weather in January.
When comparing the weather in June and February, it's clear that June enjoys much warmer temperatures, ranging from a minimum of 7°C (45°F) to a maximum of 32°C (89°F), with an average of 17°C (63°F). In contrast, February is significantly cooler, with temperatures reaching a minimum of -9°C (15°F) and a maximum of 18°C (65°F), averaging just 5°C (42°F). Although both months experience a fair amount of precipitation—72 mm (2.8 in) in June and 65 mm (2.6 in) in February—February sees slightly more rainy days, with 12 compared to June's 10. The humidity levels are quite similar, with June at 82% and February slightly higher at 89%. For more detailed information, you can check out Rotterdam weather in February.
In comparing the weather of June and March, June is significantly warmer with average temperatures ranging from a minimum of 7°C (45°F) to a maximum of 32°C (89°F), whereas March experiences chillier conditions, with temperatures spanning from a minimum of -8°C (18°F) to a maximum of 21°C (71°F). June also has a lower humidity level at 82%, compared to the 87% found in March, contributing to a more comfortable atmosphere as summer approaches. Although both months see similar amounts of precipitation—72 mm (2.8 in) in June and 69 mm (2.7 in) in March—June has fewer rainy days at just 10, while March has rain on 14 days, making it relatively wetter. For a more detailed understanding of March weather, you can visit Rotterdam weather in March.
When comparing the weather in June and April, we can see clear differences in temperature and precipitation. June boasts a wider temperature range, with minimums of 7°C (45°F) and maximums reaching up to 32°C (89°F), resulting in a pleasant average temperature of 17°C (63°F). In contrast, April has cooler temperatures, starting at a minimum of -1°C (30°F) and only reaching a maximum of 27°C (81°F), with an average of 10°C (50°F).
Precipitation levels are also different; June receives 72 mm (2.8 in) over approximately 10 days, while April has lower totals of 44 mm (1.7 in) over 9 days. Both months exhibit high humidity, with June at 82% and April at 85%. For more detailed information, you can visit Rotterdam weather in April.
In comparing the weather of June and May, it’s evident that June offers warmer temperatures, with a minimum of 7°C (45°F) and an average of 17°C (63°F), while May sees lower temperatures, with a minimum of 1°C (35°F) and an average of 13°C (56°F). Both months experience similar maximum temperatures, with June peaking at 32°C (89°F) and May reaching 31°C (87°F). Precipitation levels are slightly higher in June at 72 mm (2.8 in) over 10 days compared to May's 65 mm (2.5 in) over 12 days. Interestingly, both months share the same humidity level of 82%, reflecting the dampness of this time of year. For more details, you can check Rotterdam weather in May.
June and July present a gradual shift in weather patterns. In June, temperatures range from a low of 7°C (45°F) to a maximum of 32°C (89°F), with an average of 17°C (63°F). The month experiences about 72 mm (2.8 in) of precipitation over approximately 10 days and maintains high humidity levels at 82%. In contrast, July sees slightly warmer temperatures, with a minimum of 8°C (47°F) and a peak of 38°C (101°F), averaging 18°C (65°F). Although July has a similar overall precipitation of 68 mm (2.7 in), it experiences rain on 13 days and slightly lower humidity at 80%. This indicates that July is generally warmer and a bit wetter compared to June. For more detailed information, visit Rotterdam weather in July.
In June, temperatures in Rotterdam range from a minimum of 7°C (45°F) to a maximum of 32°C (89°F), with an average temperature of 17°C (63°F). The month experiences around 72 mm (2.8 in) of precipitation over approximately 10 days, along with relatively high humidity at 82%. In contrast, August sees slightly warmer temperatures, with a minimum of 8°C (48°F) and a maximum of 33°C (93°F), averaging 18°C (65°F). However, August also tends to be wetter, receiving about 84 mm (3.3 in) of rain over 14 days, while the humidity decreases to 76%. For more details on August weather, check out Rotterdam weather in August.
June and September exhibit notable similarities and differences in their weather patterns. In June, temperatures range from a minimum of 7°C (45°F) to a maximum of 32°C (89°F), with an average temperature of 17°C (63°F). The month experiences about 72 mm (2.8 in) of precipitation over 10 days, combined with a humidity level of 82%. In contrast, September features slightly cooler temperatures, with a minimum of 4°C (40°F) and a maximum of 31°C (87°F), and an average of 15°C (60°F). Rainfall increases marginally to 75 mm (3.0 in) over 11 days, while humidity remains steady at 82%. For more detailed insights, you can check Rotterdam weather in September.
June and October weather present quite a contrast in terms of temperature and precipitation. In June, temperatures range from a mild 7°C (45°F) at night to a warm 32°C (89°F) during the day, with an average of 17°C (63°F). The month experiences relatively less rainfall, totaling 72 mm (2.8 in) over about 10 days, and has a humidity level of 82%. In contrast, October temperatures drop significantly, with a minimum of 2°C (36°F) and a maximum of 25°C (78°F), averaging just 12°C (55°F). Rainfall increases to 92 mm (3.6 in) spread over 16 days, and the humidity rises to 89%. For more details on the weather in October, check out Rotterdam weather in October.
In June, the weather is characterized by warmer temperatures, with a pleasant average of 17°C (63°F) and highs reaching up to 32°C (89°F), while low temperatures only dip to around 7°C (45°F). The month experiences around 72 mm (2.8 in) of precipitation over approximately 10 days, along with a humidity level of 82%. In contrast, November presents a much cooler climate, with average temperatures dropping to 8°C (46°F) and maximums capping at 18°C (65°F), while the minimum temperature can plummet to -2°C (29°F). November sees slightly less precipitation at 56 mm (2.2 in) over 12 days, coupled with higher humidity levels of 92%. For more detailed insights into November's weather, you can check Rotterdam weather in November.
In June, the weather is generally warmer, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 32°C (89°F) and an average of 17°C (63°F). The month typically sees about 72 mm (2.8 in) of precipitation over approximately 10 days, accompanied by a humidity level of 82%. In stark contrast, December experiences much colder conditions, with temperatures dropping to a minimum of -4°C (25°F) and averaging around 6°C (43°F), peaking at 14°C (57°F). December also has higher precipitation, totaling 90 mm (3.5 in) over 17 days, and slightly increased humidity at 92%. For more detailed information, you can check Rotterdam weather in December.
In June, Rotterdam experiences a delightful transition into summer, boasting warmer temperatures that stand in contrast to the cooler spring months. With an average temperature of 17°C, outdoor activities become more inviting, and the days stretch longer, perfect for exploration and leisure. While humidity levels rise to 82%, occasional rain can be expected, bringing about ten days of precipitation throughout the month, ensuring the lushness of the city’s parks and gardens. This balance between sun and occasional showers makes June a unique time to enjoy Rotterdam’s vibrant atmosphere. For a deeper understanding of the city's overall climate, visit Rotterdam Climate.