Last updated: August 27, 2025
In June, San Francisco, Panama experiences warm tropical weather characterized by maximum temperatures peaking at 33°C (92°F) and an average temperature of 26°C (78°F). The month witnesses substantial rainfall, with a total precipitation of 353 mm (13.9 in) over 28 days, creating a humid atmosphere with humidity levels averaging 90%. Visitors should be prepared for frequent rain showers while enjoying the lush greenery and vibrant landscape that the tropical climate fosters.
In June, Panama's temperatures maintain a warm consistency, with minimal fluctuations that reflect the tropics' predictable climate. The month starts with nighttime lows around 21°C (70°F), while daytime averages hover around 26°C (78°F) and can peak at 33°C (92°F). This pattern mirrors the preceding months, offering a comfortable warmth ideal for outdoor adventures. In contrast, San Francisco experiences a more temperate climate, where June temperatures range from a cooler minimum of 13°C (55°F) to an average of 18°C (64°F), with maximums capping around 22°C (72°F). This significant difference captures the essence of both locations, illustrating Panama's tropical allure alongside San Francisco's coastal breeziness, making each city uniquely inviting during this summer month.
In June, San Francisco, Panama, experiences a remarkable continuation of its wet season, with precipitation soaring to 353 mm (13.9 in), closely mirroring May's substantial rainfall. This month marks a peak in rainy days, with 28 days of precipitation, highlighting the region's transformation into a lush paradise. The trend shows a significant increase from the earlier months, particularly April, which saw 105 mm (4.1 in) over just 12 days. As the calendar moves from spring to summer, the precipitation not only sustains lush vegetation but also hints at the shifting climate patterns that characterize this vibrant coastal locale. The consistent rate of rainfall continues into July, where even more rain is expected, solidifying June's role as a critical month in Panama's annual hydrological cycle.
June marks a notable shift in humidity levels in San Francisco, Panama, soaring to a staggering 90%. This increase stands in contrast to the preceding months, where humidity hovered in the low 70s to the mid-70s. Following a relatively mild May with a humidity of 73%, June’s humidity signifies the peak of the rainy season, setting the stage for the more oppressive summer months. Interestingly, while humidity gradually decreases in the following months of July and August, it remains high, indicating a persistent tropical climate. This trend highlights San Francisco's unique weather patterns, where high humidity is a defining characteristic of the summer season.
In June, the UV Index in San Francisco, Panama remains elevated at 13, categorizing it in the extreme exposure category, with a burn time of just 10 minutes. This month continues the trend established earlier in the year, where high UV levels have been consistent, peaking at 15 in April and May before dropping slightly. As summer approaches, the UV Index shows a slight decline, yet residents and visitors should remain vigilant about sun protection, as the risk of harm still lingers. Understanding these patterns can help you plan outdoor activities more safely. For more details, check out the complete San Francisco UV Index.
UV Risk Categories
In June, the sunshine in San Francisco begins to wane, offering 213 hours of bright days, a dip compared to the vibrant golden glow of earlier months. It's a stark contrast to the highs of March, when residents basked in 335 hours of sunlight, showcasing the transition into the cooler summer months. Following a promising April with 300 hours, June's hours are notably lower, leading into the slightly cloudier rhythm of July and August, which both hover around 210 hours. This trend highlights a seasonal ebb and flow where early summer warmth gives way to the typical coastal fog. Interestingly, as winter approaches, the sun begins to shine more consistently again, with December offering an impressive 301 hours of daylight, reminding us that San Francisco's diverse climate has something to offer all year round.
In San Francisco, Panama, the likelihood of sunny weather in June is notably low, with only a 10% chance of sunshine. This pattern is consistent with the region's trend leading into the summer months, as April and May see even steeper declines, with chances plummeting to 17% and 9%, respectively. Following June, the chances of sun rise slightly in July to 13%, but the overall picture remains a depiction of cloudier skies and diminished sunlight as the year progresses. Interestingly, while the beginning of the year offers a more promising forecast, with January and December boasting around 45% and 43% sunny days, the transition to mid-year clearly showcases a challenging stretch for those hoping to bask in the sun's warmth.
In San Francisco, Panama, June marks a continuation of a consistent pattern in daylight duration, with the city basking in 12 hours of daylight. This month is part of a stable period that began in March and extends through August, showcasing a soothing equilibrium. As spring fades into summer, the daylight remains steady, providing ample time for exploration and enjoyment of the vibrant surroundings. Interestingly, the year's daylight gradually decreases before and after this peak, reminding residents and visitors alike of the seasonal shifts that define this coastal paradise. Overall, June embodies a sweet spot in the San Francisco calendar, where plentiful daylight enhances outdoor experiences.
In June, San Francisco experiences a notable shift in its wind patterns, with an average wind speed of just 1.3 m/s (3 mph), mirroring the calms of May and following a gradual decline from a more brisk 3.3 m/s (7 mph) in March. This trend reflects the onset of summer, where the winds taper off, creating a serene atmosphere that is characteristic of the season. As the year progresses, the wind speeds remain steady through July and August, suggesting a period of relative calm before the seasonal shifts bring slightly more dynamic conditions in the autumn months. Overall, June encapsulates the gentle embrace of the summer breeze that defines San Francisco’s unique climate.
Weather in San Francisco varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in San Francisco, focusing on differences in temperature, rainfall, humidity, and UV levels.
June and January in San Francisco present notable contrasts in weather conditions. While both months share similar temperature ranges, with January having a minimum of 20°C (68°F) and June a minimum of 21°C (70°F), June is significantly wetter, receiving 353 mm (13.9 in) of precipitation over 28 days compared to January's much drier 31 mm (1.2 in) over just 4 days. Additionally, June's humidity is quite high at 90%, whereas January's humidity is lower at 72%. For a detailed look at the weather in January, check out this link: San Francisco weather in January.
When comparing the weather in June and February, notable differences emerge. June experiences a minimum temperature of 21°C (70°F) and averages around 26°C (78°F), with a maximum reaching 33°C (92°F). However, it is characterized by high precipitation, totaling 353 mm (13.9 in) over 28 days, accompanied by humidity levels of 90%. In contrast, February sees slightly cooler temperatures, with minimums at 20°C (68°F) and averages of 27°C (80°F), peaking at 34°C (94°F). There is significantly less rainfall in February, with only 8 mm (0.3 in) recorded over 0 days, alongside lower humidity at 71%. For more detailed information, you can explore San Francisco weather in February.
June and March showcase distinctly different weather patterns. In March, temperatures hover between a minimum of 21°C (70°F) and a maximum of 34°C (94°F), with an average of 27°C (81°F), while June presents a wider range with temperatures from 21°C (70°F) to 33°C (92°F) and an average of 26°C (78°F). Notably, March experiences minimal precipitation, with only 7 mm (0.3 in) recorded over zero days, contrasting sharply with June's heavy rainfall of 353 mm (13.9 in) spread over 28 days and high humidity levels of 90%. For those looking to understand more about San Francisco weather in March, additional details can be found here: San Francisco weather in March.
In comparing the weather between June and April, it’s evident that both months experience relatively warm temperatures, with April slightly edging out June in terms of average temperature at 27°C (81°F) compared to June's 26°C (78°F). However, June sees significantly higher humidity levels at 90%, compared to April's 70%, making it feel more oppressive. Notably, June also experiences much more precipitation, with 353 mm (13.9 inches) spread over 28 days, while April has only 105 mm (4.1 inches) across 12 days. For a detailed overview of conditions during April, you can refer to San Francisco weather in April.
In comparing the weather of June and May, both months exhibit similar temperature ranges with minimums around 21°C (70°F) and averages near 26°C (78°F in June and 79°F in May). However, June sees a noticeable decrease in maximum temperatures, capping at 33°C (92°F) compared to May's peak of 35°C (96°F). Precipitation is slightly lower in June, with 353 mm (13.9 in) falling over 28 days, compared to May's 355 mm (14.0 in) over 27 days. In terms of humidity, June is significantly more humid at 90%, while May maintains a lower humidity level at 73%. For more specifics on the weather in May, you can visit San Francisco weather in May.
June and July feature similar temperature ranges, with both months showcasing minimums around 20-21°C (68-70°F), average highs reaching 26°C (78°F), and maximums peaking at 33°C (92°F). However, July experiences slightly higher precipitation levels, totaling 404 mm (15.9 in) compared to June's 353 mm (13.9 in), both spread over 28 days. Interestingly, humidity remains high in both months, with June at 90% and July slightly lower at 88%. For more detailed insights, you can check the San Francisco weather in July.
June and August share relatively similar temperatures, with both months featuring a minimum of 21°C (70°F) and a maximum reaching 33°C (91-92°F). However, June tends to be slightly warmer on average at 26°C (78°F), compared to August's average of 25°C (78°F). Both months experience considerable precipitation, with June receiving 353 mm (13.9 in) and August surpassing it slightly at 359 mm (14.1 in), although August sees just one more day of rain. Humidity is also comparable, with June at 90% and August dropping slightly to 87%. For more insights on weather trends, you can check out this link: San Francisco weather in August.
In June, the weather features a warm average temperature of 26°C (78°F), with maximum highs reaching up to 33°C (92°F). However, this month is also characterized by significant rainfall, totaling 353 mm (13.9 in) across 28 days and high humidity levels averaging around 90%. In contrast, September experiences slightly cooler conditions, with an average temperature of 25°C (78°F) and maximum highs of 32°C (91°F). Rainfall increases even further, bringing in 459 mm (18.1 in) over 30 days, while humidity remains high at 87%. For more specific details about September's weather in San Francisco, you can check San Francisco weather in September.
June and October present similar temperatures, with both months featuring a minimum of around 21°C (70°F). However, June tends to be warmer overall, averaging 26°C (78°F) compared to October's 25°C (77°F). Interestingly, both months experience high humidity levels, although June is slightly more humid at 90% versus October's 86%. Precipitation also differs, with October receiving more rainfall at 410 mm (16.2 in) over 29 days compared to June's 353 mm (13.9 in) across 28 days. For a more detailed look at the weather in October, you can visit San Francisco weather in October.
In June, the weather is characterized by warm temperatures, with an average of 26°C (78°F), peaking at 33°C (92°F). However, this month experiences a high level of precipitation, with 353 mm (13.9 in) falling over 28 days and humidity levels reaching 90%. In contrast, November has slightly cooler temperatures, averaging 25°C (77°F) and maxing out at 32°C (90°F). This month sees a bit more rainfall, totaling 385 mm (15.1 in) across 26 days, with humidity at a slightly lower 86%. For a closer look at the weather trends, visit San Francisco weather in November.
June and December exhibit notable differences in weather patterns. In June, the temperatures range from a minimum of 21°C (70°F) to a maximum of 33°C (92°F), with an average of 26°C (78°F). However, this month is characterized by significant rainfall, totaling 353 mm (13.9 in) over 28 days, and high humidity levels at 90%. In contrast, December remains quite warm, with temperatures ranging from a minimum of 20°C (69°F) to a maximum of 32°C (90°F), also averaging 26°C (78°F). Nonetheless, December experiences much less precipitation, with only 103 mm (4.1 in) falling over 9 days, and a lower humidity level of 79%. For more insights, you can visit San Francisco weather in December.
In June, San Francisco experiences a notable shift in weather, characterized by warmer temperatures and significant humidity. While the city often enjoys mild conditions throughout the year, June brings occasional peaks that can reach up to 33°C (92°F), making it warmer than many other months. However, this warmth is accompanied by frequent rainfall, with nearly 28 days of precipitation adding up to 353 mm (13.9 in), which is quite high for the season. This unique combination of heat and humidity makes June an interesting but sometimes unpredictable month for both residents and visitors alike. For more details on what to expect throughout the year, check out the complete overview of the San Francisco Climate.