Last updated: February 24, 2025
June in Pasadena, United States, brings a delightful mix of warmth and sunshine, with maximum temperatures reaching up to 40°C (105°F). The average temperature settles around 22°C (71°F), providing a pleasant balance for outdoor activities. Evenings cool down to a minimum of 11°C (51°F), making it comfortable for nighttime outings. Remarkably, the month sees almost no rainfall, with just 1 mm (0.1 in) of precipitation recorded across 0 rainy days. Coupled with a humidity level of 52%, June offers a perfect blend of summer warmth and refreshing evenings, ideal for enjoying Pasadena's vibrant atmosphere.
In June, Pasadena experiences a warm transition into summer, with temperatures showcasing a notable rise. The minimum temperature begins at a relatively mild 11°C (51°F), reflecting the warming trend of the season.As days progress, the average temperature settles at a comfortable 22°C (71°F), perfect for outdoor activities. However, the real highlight of June is the dramatic maximum temperature, which can soar to an impressive 40°C (105°F). This peak indicates not only the arrival of summer heat but also positions June as a month that prepares residents for even hotter days ahead. Overall, June's climate in Pasadena provides a pleasant mix of warmth and sun, inviting locals and visitors alike to savor the great outdoors.
June in Pasadena typically signals the onset of summer, and this trend is evident in the notably low precipitation rates. With only 1 mm (0.1 in) of rainfall recorded, June stands out as a transition month leading into the dry season, where rain is scarce, marked by 0 precipitation days. This stark contrast follows a wetter spring, where March brought the highest monthly total of 85 mm (3.4 in) over 10 days. The significant drop in rainfall from May’s 16 mm (0.6 in) to June reflects an overall tendency toward drier conditions, reinforcing Pasadena's reputation for its sun-soaked summers. As the year progresses, rainfall remains minimal through July and August, solidifying the region's characteristic dry spell.
In Pasadena, June marks a noticeable transition into drier weather, with humidity levels dipping to 52%. This decline is part of a broader trend seen as spring progresses into summer, where humidity steadily decreases from 57% in May to 46% in July. The shifting patterns highlight a significant departure from the high humidity of the winter months, such as January's 78% and February's 82%. As the year continues, the summer months boast the lowest humidity levels, peaking again in fall and winter, with November and December experiencing a rise back to 72% and 76% respectively. Overall, Pasadena exhibits a dynamic climate, where each season distinctly influences its humidity profile, providing a refreshing contrast during the summer months.
In June, Pasadena experiences an extreme UV Index of 11, identical to the preceding month of May. This trend signals a persistent vulnerability to sun exposure, as residents have just 10 minutes before risking skin damage. Following a steady ascent from a moderate index in January (4) to a very high of 10 in April, both May and June demand caution under the intense California sun. As we move into July, officials warn that conditions may further escalate, peaking at a UV Index of 12. It’s essential for locals and visitors alike to prioritize sun protection measures during this period. For a comprehensive understanding of the UV Index throughout the year, visit Pasadena UV Index.
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June marks a vibrant peak in Pasadena's sunshine, boasting an impressive 369 hours of sunlight. This surge follows a steady upward trend that begins in January with 185 hours and consistently climbs through the spring months, culminating in May's 356 hours. As summer arrives, the days elongate, with July even surpassing June at 381 hours. This sunny trajectory highlights Pasadena's transformation from the cool, shorter days of winter into a sun-soaked summer, creating a perfect backdrop for outdoor activities and festivities. Each month leads the way to longer, brighter days, making Pasadena a delightful haven for sun-seekers.
As June arrives in Pasadena, the likelihood of sunny weather climbs to an impressive 80%, establishing it as one of the sunniest months of the year. This marks a noticeable increase from the shoulder months of March and April, which hover around 69% and 59%, respectively. Following the warm spring, May already hints at summer's approach with a 72% chance of sun, but June truly ushers in the sun-drenched days that characterize the season. Adding to this trend, the sunny streak continues into the summer months, with July and August maintaining high probabilities of 76% and 82%, ensuring residents and visitors alike can bask in the sunny embrace of Pasadena during this vibrant time of year.
In Pasadena, United States, June marks a delightful transition into the height of summer, showcasing an impressive daylight duration of 14 hours. This increase in sunlight is part of a broader trend observed throughout the year, where the daylight gradually lengthens from a modest 10 hours in January and February to the peak hours of July and June. After June's lush brightness, the days begin to shorten subtly, dipping back to 13 hours in August before continuing to decline through the fall months. This natural rhythm not only enhances the vibrant atmosphere of summer but also invites residents and visitors alike to revel in longer days filled with warmth and activity.
In June, Pasadena experiences a subtle shift in its wind patterns, marking a continuation of a gradual decline in average wind speeds that began earlier in the year. With a gentle breeze averaging 1.8 m/s (4 mph), June joins the ranks of the preceding spring months, where winds were slightly stronger. This consistent drop in wind speed, observed through the spring months of April (2.1 m/s) and May (1.9 m/s), suggests that as summer approaches, the area's atmospheric conditions contribute to a more tranquil environment. Remarkably, this trend persists into July and August, where winds hold steady at 1.8 m/s. Thus, Pasadena's early summer months offer a serene atmosphere, ideal for outdoor activities amidst the gentle winds.
The weather in Pasadena changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of June's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Pasadena and find detailed weather information for every month.
When comparing the weather in June and January, it's clear that June boasts much warmer temperatures, with averages around 22°C (71°F) and highs reaching up to 40°C (105°F), while January's temperatures range from a chilly 0°C (32°F) to a mild 29°C (84°F), with an average of 12°C (53°F). Precipitation is notably different as well, with June experiencing virtually no rainfall and only 1 mm (0.1 in) of precipitation, whereas January sees much wetter conditions with 75 mm (3.0 in) spread over about 5 rainy days. Additionally, January's humidity level is higher at 78%, compared to June's more comfortable 52%. For more specific details about Pasadena's January weather, check out Pasadena weather in January.
June and February present stark contrasts in weather conditions. In June, temperatures soar from a minimum of 11°C (51°F) to a scorching maximum of 40°C (105°F), with an average of 22°C (71°F) and virtually no precipitation, allowing for plenty of sunshine and low humidity at 52%. In stark contrast, February experiences cooler temperatures, ranging from a chilly minimum of 0°C (31°F) to a maximum of 28°C (83°F), with an average of 12°C (54°F). This month sees significant precipitation at 65 mm (2.6 in) over approximately six days and higher humidity levels at 82%. For more details on February weather specifics, check Pasadena weather in February.
When comparing the weather in June and March, it’s clear that June is significantly warmer and drier. June boasts temperatures ranging from a minimum of 11°C (51°F) to a scorching maximum of 40°C (105°F), with a very low average of just 1 mm of precipitation over the month. In contrast, March offers much cooler temperatures, with minimums around 1°C (34°F) and maximums reaching 30°C (86°F), alongside substantial rainfall totaling 85 mm (3.4 in) over approximately 10 rainy days. Additionally, March has a higher humidity level of 75% compared to June’s 52%. For a more detailed look at Pasadena's weather during March, you can check this link: Pasadena weather in March.
When comparing the weather in June and April, it’s clear that June tends to be warmer and drier. In June, temperatures range from a minimum of 11°C (51°F) to a maximum of 40°C (105°F), with an average temperature of 22°C (71°F) and virtually no precipitation. In contrast, April sees cooler temperatures, with a minimum of 6°C (43°F) and a maximum of 34°C (94°F), averaging 17°C (62°F). Additionally, April experiences a higher humidity level at 68% and receives about 22 mm (0.9 in) of rainfall over two days. For more insights on April weather, visit Pasadena weather in April.
In comparing the weather between June and May, June showcases significantly warmer temperatures, with minimums of 11°C (51°F) and maximums reaching up to 40°C (105°F), while May's temperatures range from a minimum of 6°C (43°F) to a maximum of 34°C (94°F). Additionally, June experiences much drier conditions, recording only 1 mm of precipitation over 0 days, in stark contrast to May, which sees 16 mm of rain spread over 3 days. Humidity levels also reflect this shift, with June at 52% compared to May's 57%. For a closer look at the weather patterns during May, you can visit Pasadena weather in May.
In comparing the weather in June and July, it's clear that July experiences warmer temperatures overall. June boasts minimum temperatures around 11°C (51°F), an average of 22°C (71°F), and maximums peaking at 40°C (105°F). In contrast, July starts off at a slightly higher minimum of 13°C (57°F), with an average temperature of 25°C (77°F) and a maximum that can reach up to 43°C (109°F). Both months have minimal precipitation, with June receiving only 1 mm and July slightly higher at 2 mm, but neither month records any rainy days. Additionally, humidity is slightly lower in July at 46% compared to June's 52%. For a more detailed look at July weather, you can check out Pasadena weather in July.
June and August in Pasadena exhibit warm weather patterns, but with notable differences. In June, temperatures range from a minimum of 11°C (51°F) to a maximum of 40°C (105°F), with an average of 22°C (71°F) and a humidity level of 52%. In contrast, August experiences slightly warmer temperatures with a minimum of 15°C (59°F), an average of 25°C (78°F), and the same maximum of 40°C (105°F). Additionally, August has lower humidity levels at 39% and slightly more precipitation, measuring 2 mm (0.1 in), although both months show no days of significant rainfall. For more specific insights, you can explore Pasadena weather in August.
June and September in Pasadena present similar yet distinct weather patterns. In June, temperatures range from a minimum of 11°C (51°F) to a comfortable average of 22°C (71°F), peaking at a maximum of 40°C (105°F), while experiencing just 1 mm of precipitation across the month. Humidity levels hover around 52%. In contrast, September sees a slight drop in minimum temperatures to 10°C (51°F) and an increase in the average temperature to 23°C (74°F), with a maximum that can reach up to 44°C (112°F). They share the characteristic of zero precipitation days, but September has slightly higher precipitation at 4 mm, with humidity at a lower 48%. For more details, check out Pasadena weather in September.
In June, temperatures in Pasadena typically range from a minimum of 11°C (51°F) to a maximum of 40°C (105°F), with an average of around 22°C (71°F). The month is characterized by very little precipitation, recording just 1 mm (0.1 in) over no rainy days and a humidity level of 52%. In contrast, October sees slightly cooler temperatures, with minimums dropping to 6°C (44°F) and averages around 20°C (68°F), peaking at 38°C (101°F). This month also experiences more significant precipitation, totaling 9 mm (0.4 in) over one rainy day, along with a slight increase in humidity to 59%. For further details on the weather in Pasadena during October, you can check out Pasadena weather in October.
June typically features warmer temperatures, with minimums around 11°C (51°F) and averages reaching up to 22°C (71°F), while maximums can soar to 40°C (105°F). Additionally, it boasts very low precipitation and humidity levels at 52%. In contrast, November brings cooler weather, with minimum temperatures dropping to 2°C (37°F) and an average of 16°C (61°F), peaking at 31°C (89°F). November also sees more precipitation, with around 24 mm (0.9 in) over 2 days and higher humidity levels at 72%. For more detailed information, check out Pasadena weather in November.
June and December present strikingly different weather patterns. June typically boasts warm temperatures, with averages around 22°C (71°F) and maximums reaching up to 40°C (105°F). Additionally, it experiences very low precipitation, often with no rainy days and a humidity level of 52%. In contrast, December brings cooler temperatures, averaging 12°C (53°F) and peaking at 27°C (81°F). This month is significantly wetter, accumulating 77 mm (3.1 in) of rainfall across approximately five days, alongside elevated humidity levels of 76%. For more details, check out Pasadena weather in December.
As June settles in, Pasadena experiences a marked shift in weather, showcasing warmer temperatures that peak around 40°C (105°F), making it one of the hottest months of the year. This warmth, contrasted with a mild average of 22°C (71°F) and rare rainfall, sets the stage for outdoor activities and events. Humidity levels at 52% add a touch of tropical feel, but with no precipitation days, the skies often remain clear. This combination of warmth and dryness distinguishes June from the other months, inviting residents and visitors alike to embrace the sunny California lifestyle. For more insights on weather patterns, check out Pasadena Climate.