Last updated: February 24, 2025
In July, Eureka, United States experiences a mild coastal climate characterized by a maximum temperature of 19°C (66°F) and an average of 13°C (56°F), while nighttime temperatures dip to a comfortable minimum of 9°C (49°F). The month sees relatively low precipitation, totaling 7 mm (0.3 in) over just one rainy day, contributing to a humidity level of 70% that enhances the lush surroundings. If you're planning a visit, expect pleasant, cooler days amidst enchanting coastal scenery.
In Eureka, United States, July brings a welcomed warmth, with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 19°C (66°F). This month's average of 13°C (56°F) marks a notable uptick compared to the chillier earlier months, signaling the onset of milder summer days. As spring transitions into summer, July's temperatures reflect a gradual increase, highlighting a steady rise from June's warmer grasp of 23°C (74°F) during the day, while still offering a refreshing escape from the heat of August's peak. Overall, July serves as a balanced blend of cool nights and gentle warmth, making it a delightful time for outdoor activities and enjoying the natural beauty of the region.
In July, Eureka experiences a significant drop in precipitation, recording just 7 mm (0.3 in) of rainfall over a mere single day. This marks a continuation of the drier patterns that begin in June, where only 23 mm (0.9 in) fell across four days. The stark contrast from the earlier months, such as January with 211 mm (8.3 in) and February at 200 mm (7.9 in), illustrates a clear trend towards a pronounced summer dry season. As the month unfolds, this minimal rain contributes to the overall summer ambiance in Eureka, with the coastal city transitioning into one of its driest periods of the year.
In Eureka, United States, July marks a significant shift in humidity levels, dropping to 70%, a notable decrease from the wetter months earlier in the year. This change reflects a trend toward drier conditions as summer approaches its peak, following a gradual decline from 86% in January to 79% in June. As the summer heat intensifies, humidity continues to decrease, reaching its lowest point in August at 60%. However, as autumn approaches, humidity levels begin to rise again, with November and December returning to 87% and 86%, respectively. This cyclical pattern highlights Eureka's humid coastal climate, where summer offers a brief respite before the return of higher humidity in the fall and winter months.
In July, Eureka experiences a UV Index of 10, placing it in the very high exposure category, which means residents and visitors need to be particularly cautious. This marks a slight decrease from the extreme conditions of June (UV Index 11), yet it still requires vigilance as the burn time remains a brief 15 minutes for fair-skinned individuals. Notably, this summer month aligns closely with August's UV Index, indicating that the high levels of sun intensity are a hallmark of the season. As the trends reveal, the UV Index escalates sharply from spring into summer, peaking in June before slightly moderating in July and August. To learn more about managing UV exposure in this coastal town, check out Eureka UV Index.
UV Risk Categories
In Eureka, United States, July shines as the pinnacle of sunshine, boasting an impressive 394 hours of radiant daylight. This peak follows a steady ascent from the year's start, where the sun graced the town with only 118 hours in January. As the months progress, a notable increase can be observed, especially in the spring and early summer, culminating in July's vibrant brilliance. Following this summery zenith, the sunshine begins to wane slightly in August, yet it remains robust with 355 hours, illustrating a gradual transition into the mellow tones of fall. Overall, the trend clearly highlights Eureka's sun-soaked summers, making July a truly luminous month in this coastal gem.
In Eureka, United States, the probability of enjoying sunny weather reaches 52% in July, showcasing a notable rise as summer unfolds. This trend reflects an increasing likelihood of sunshine that begins to emerge in the spring months, peaking with a steady uptick in brightness from March onward. As the summer progresses, the chance of sun climbs even higher, with August and September promising 60% and 62% respectively. This sunny trajectory clearly highlights July as a pivotal point in the summer season, where residents and visitors alike can reasonably expect more delightful days ahead.
In Eureka, United States, July marks a noticeable shift in daylight duration, with the sun gracing the skies for approximately 14 hours. This month sits at the tail end of a gradual increase that begins in January with a mere 9 hours and peaks in June at 15 hours. Following this bright crescendo, July experiences a slight decrease, as daylight begins its slow retreat into the autumn months. August sees a continuation of this trend, with daylight tapering to 13 hours, showcasing a natural ebb and flow that reflects the changing seasons. This pattern not only emphasizes the beauty of summertime in Eureka but also sets the stage for the cozy, shorter days that follow.
In Eureka, July brings a gentle breeze with an average wind speed of 3.8 m/s (9 mph), continuing the trend of calmer winds seen in June. This slight increase from June's 3.7 m/s (8 mph) hints at a gradual rise in breezy conditions as summer unfolds. As the seasons shift, the average wind speeds have notably softened since the early months of the year, where wind speeds hovered around 5.0 m/s (11 mph) in January and peaked at 5.2 m/s (12 mph) in March. With a shift towards lighter winds, residents and visitors in July can enjoy the pleasant summer atmosphere, ideal for outdoor activities without the overwhelming gusts typical of earlier months.
The weather in Eureka 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 Eureka and find detailed weather information for every month.
In comparison to July, January experiences cooler temperatures, with a minimum of 4°C (39°F) and an average of 10°C (50°F), while July's minimum is 9°C (49°F) and the average is 13°C (56°F). July tends to be drier, with just 7 mm (0.3 in) of precipitation over only one day, whereas January sees significantly more rainfall, totaling 211 mm (8.3 in) across 15 days. Additionally, January's humidity is higher at 86%, compared to July's 70%. For a more detailed look at January weather, you can visit Eureka weather in January.
When comparing the weather in July and February, notable differences emerge. July tends to be milder and drier, with average temperatures ranging from a minimum of 9°C (49°F) to a maximum of 19°C (66°F), accompanied by only 7 mm (0.3 in) of precipitation over just one day. In contrast, February is significantly colder, with average temperatures from a low of 3°C (37°F) to a high of 19°C (66°F). However, it experiences a much higher level of rainfall, totaling 200 mm (7.9 in) across 14 days, resulting in greater humidity at 85%. For more detailed insights into February’s weather, check out Eureka weather in February.
In comparing July and March weather, July offers a mild climate with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 19°C (66°F), accompanied by low precipitation of just 7 mm (0.3 in) over only one day and a humidity level of 70%. In contrast, March experiences cooler temperatures with a minimum of 3°C (38°F) and a maximum of 17°C (63°F), but significantly higher precipitation at 164 mm (6.5 in) spread over 15 days, along with increased humidity at 85%. For more detailed information, check out Eureka weather in March.
When comparing the weather in July and April, we see distinct differences in temperature and precipitation. July offers milder temperatures, with a minimum of 9°C (49°F), an average of 13°C (56°F), and a maximum of 19°C (66°F), alongside low precipitation at only 7 mm (0.3 in) over just one day. In contrast, April experiences cooler temperatures, with a minimum of 5°C (41°F), an average of 10°C (51°F), and a maximum of 18°C (65°F). Additionally, April is significantly wetter, receiving 101 mm (4.0 in) of rain over ten days and higher humidity at 82%. For further details about April’s weather, you can check Eureka weather in April.
In comparing the weather between July and May, we can observe notable differences. July features a milder climate with average temperatures ranging from a minimum of 9°C (49°F) to a maximum of 19°C (66°F). In contrast, May temperatures are slightly cooler, with a minimum of 6°C (43°F) and a maximum of 17°C (63°F).
July experiences considerably less precipitation, with only 7 mm (0.3 in) over just one day, while May is much wetter, collecting 60 mm (2.4 in) across six days. The humidity also varies, being lower in July at 70%, compared to May's higher humidity level of 81%. For additional details on May weather in Eureka, you can check this link: Eureka weather in May.
In comparing the weather of July to June, July exhibits slightly cooler temperatures, with averages around 13°C (56°F) and a maximum of 19°C (66°F), while June features higher highs peaking at 23°C (74°F). Precipitation also differs significantly; July sees only 7 mm (0.3 in) of rainfall over just one day, whereas June experiences more rainfall at 23 mm (0.9 in) across four days. Additionally, humidity is somewhat lower in July at 70% compared to June's 79%, providing a drier atmosphere for July. For a detailed look at the weather in June, you can visit Eureka weather in June.
The weather in July and August showcases a gradual warming trend, with August experiencing higher temperatures and slightly drier conditions. In July, temperatures range from a minimum of 9°C (49°F) to a maximum of 19°C (66°F), accompanied by 7 mm (0.3 in) of precipitation over one day and humidity levels at 70%. In contrast, August sees a minimum temperature of 10°C (51°F) and a maximum of 23°C (74°F), with no recorded precipitation and a decrease in humidity to 60%. This makes August a notably sunnier and warmer month compared to July. For more details on the August weather, you can check out Eureka weather in August.
In July, the weather is generally cooler, with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 19°C (66°F) and an average of 13°C (56°F). The month sees minimal rainfall, with only 7 mm (0.3 in) over just one day, and a higher humidity level at 70%. In contrast, September experiences warmer temperatures, with a minimum of 10°C (50°F), an average of 15°C (59°F), and a peak of 29°C (84°F). However, it also brings increased precipitation, totaling 27 mm (1.0 in) over three days, and slightly lower humidity at 62%. For more detailed information, you can check Eureka weather in September.
In July, the weather features mild temperatures with a minimum of 9°C (49°F), an average of 13°C (56°F), and a maximum of 19°C (66°F). The month is relatively dry, with only 7 mm (0.3 in) of precipitation over just 1 day and humidity levels around 70%. In contrast, October sees slightly lower minimum temperatures at 8°C (46°F) and a higher maximum of 22°C (72°F) with the same average temperature of 13°C (55°F). However, October is much wetter, experiencing 53 mm (2.1 in) of precipitation over 5 days and a similar humidity level at 72%. The noticeable increase in rainfall in October offers a stark contrast to the drier conditions of July. For more details, you can check Eureka weather in October.
In July, the weather is generally mild, with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 19°C (66°F) and an average of 13°C (56°F). The month sees relatively low precipitation, with only 7 mm (0.3 in) falling over just 1 day, and humidity levels are a comfortable 70%. In contrast, November brings cooler temperatures, with a minimum of 4°C (40°F) and the same maximum of 19°C (66°F), but an average temperature of just 11°C (52°F). This month is significantly wetter, receiving 117 mm (4.6 in) of rain across 10 days, and the humidity rises to 87%, creating a much more saturated atmosphere. For a closer look at the specific weather conditions for November in Eureka, you can check Eureka weather in November.
In July, the weather is relatively mild, with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 19°C (66°F), along with low precipitation of just 7 mm (0.3 in) occurring on only one day. The humidity sits at a comfortable 70%, making it a pleasant summer month. Conversely, December experiences cooler temperatures, with an average of 10°C (50°F) and a maximum of 17°C (63°F), while the minimum dips to 4°C (39°F). The month is significantly wetter, with 161 mm (6.3 in) of precipitation spread over 13 days and higher humidity at 86%. For more detailed information, visit Eureka weather in December.
In July, Eureka experiences a delightful shift in weather, marking a transition to milder summer days. Compared to the cooler months, temperatures rise modestly, with the maximum reaching a pleasant 19°C, while humidity remains comfortably balanced at 70%. With only a single day of precipitation, this month stands out as one of the driest, allowing residents and visitors to fully enjoy the stunning natural surroundings. As July unfolds, the inviting average temperature of 13°C encourages outdoor adventures and relaxation. To discover more about the year-round conditions in this charming coastal city, visit Eureka Climate.