Last updated: February 24, 2025
August in Hilo, United States, offers a tropical climate characterized by warm temperatures and high humidity. With a maximum temperature reaching 27°C (82°F) and an average of 24°C (75°F), the month provides a comfortable warmth for residents and visitors alike. However, it is essential to prepare for frequent rain, as Hilo experiences 197 mm (7.8 in) of precipitation over 27 days during August, resulting in a humidity level averaging 84%. This combination of warmth and moisture fosters the lush, vibrant landscapes that Hilo is renowned for, making it an enchanting destination amidst the summer showers.
August in Hilo, United States, marks the peak of summer warmth, featuring mild temperatures that are pleasantly consistent throughout the month. The minimum temperature hovers around 21°C (70°F), while the average rises to a comfortable 24°C (75°F). With maximums reaching 27°C (82°F), August showcases a slight uptick from the cooler July, highlighting a summer trend of gradual heat elevation. As summer transitions into fall, Hilo maintains its tropical charm with temperatures that continue to be inviting, reflected in a minimal fluctuation in range compared to previous months. This stability makes August an ideal time for visitors seeking to embrace the island's lush landscapes under the warm Hawaiian sun.
August in Hilo brings a notable increase in precipitation, with 197 mm (7.8 in) of rain spread across 27 days. This aligns with the trend seen in previous months, where summer months like June and July experienced lower rainfall—106 mm and 131 mm respectively—but August sees a rebound, nearly matching April's levels. While the number of rainy days remains consistent, the August downpours remind residents that the lush landscapes of Hilo are nourished by the island's rich tropical climate. Following August, precipitation levels dip again in September, highlighting the seasonal ebb and flow of Hilo’s rain throughout the year.
In Hilo, August marks the peak of humidity, reaching 84%, which is a gradual rise from the 79% observed in January and February. The trend exhibits a steady increase throughout the summer months, with July sitting at 83% just before August. Following this mid-year peak, humidity levels slightly dip in September to 82%, hinting at a subtle shift toward the dryer months ahead. This consistent high humidity throughout the summer reflects Hilo's tropical climate, where moisture-laden air is a hallmark of the season. Overall, Hilo experiences a humid embrace, particularly in August, setting the stage for lush landscapes and vibrant greenery.
In August, Hilo experiences one of its peak UV indices, reaching a formidable 14 categorized as extreme, with a burn time of just 10 minutes for unprotected skin. This trend of heightened UV exposure continues from July, reflecting a persistent summer intensity that characterizes the region. Throughout the late spring and summer months, from May to July, the UV index consistently remains elevated, oscillating between 13 and 14. As August closes the summer, it is crucial for residents and visitors alike to take precautions against the sun's fierce rays. As a reminder, understanding the UV index can help you stay safe while enjoying Hilo's beautiful outdoors; for more information, check the Hilo UV Index.
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In Hilo, United States, August experiences a delightful abundance of sunshine, boasting 323 hours of bright weather. This month, while slightly lower than the peak of 339 hours in July, continues the pattern of thriving sunlight seen since the beginning of the summer. From January’s modest 212 hours, the daylight hours steadily climbed through the year, reaching their zenith in the heart of summer. This upward trend in sunshine persists through September, with 305 hours, before gradually tapering into the cooler months. The gradual decline from summer's peak illuminates Hilo's transition towards a more temperate climate, emphasizing the region's vibrant and dynamic relationship with its sunny skies.
In Hilo, the likelihood of sunny weather in August stands at 45%, which is a notable rise from the 31% observed in July. This suggests that as summer unfolds, the chances for sunnier days increase slightly, providing a welcome opportunity for outdoor activities. Throughout the year, January through May generally hover in the low 40s for sunny weather, but August’s numbers hint at a seasonal uptick before a gradual decline in sunny days as fall approaches. Interestingly, while August offers the promise of sunshine, it is still overshadowed by the drier months towards the end of the year, where the chance of sun remains relatively stable around 43%. This trend reflects the unique weather patterns that characterize Hilo, making August a potentially bright spot in the tropical climate.
In Hilo, August marks a gentle transition in daylight duration, where residents enjoy 12 hours of daylight. This pattern reflects a gradual decline from the 13 hours experienced during the peak of summer in July. The month serves as a bridge, as daylight begins to recede slightly, heralding the approach of fall. Interestingly, after a steady increase in daylight from January through May, the duration plateaued during the summer months before this subtle shift in August. As the days gradually shorten, Hilo's vibrant landscape remains illuminated, inviting exploration and outdoor activities, yet hints at the cozy embrace of autumn just around the corner.
In Hilo, August ushers in a gentle breeze with an average wind speed of 2.9 m/s (6 mph), mirroring the tranquil conditions of June and staying slightly below the highs seen earlier in the year. The trend shows a mild fluctuation in wind speed throughout the months, with the spring months of March and April peaking at 3.5 m/s (8 mph) and 3.1 m/s (7 mph), respectively. As the year transitions into autumn, wind speeds begin to taper off, reaching their lowest in September at 2.6 m/s (6 mph). Though August's winds are soft, they contribute to Hilo's characteristic serenity, making it a perfect time to enjoy the island’s lush landscapes under the soothing caress of the wind.
The weather in Hilo changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of August's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Hilo and find detailed weather information for every month.
In comparing the weather of August and January, we see marked differences in temperature and precipitation. August tends to be warmer, with average temperatures reaching 24°C (75°F) and maximums of 27°C (82°F), while January's temperatures are cooler, peaking at 25°C (77°F) with an average of 21°C (71°F). Precipitation is higher in August, totaling 197 mm (7.8 in) over 27 days, compared to January's 158 mm (6.2 in) over 20 days. Additionally, August's humidity averages 84%, slightly higher than January's 79%. For more specific details about January weather, you can check Hilo weather in January.
August and February in Hilo present distinct weather patterns. August tends to be warmer, with average temperatures ranging from a minimum of 21°C (70°F) to a maximum of 27°C (82°F), accompanied by high humidity at 84%. In contrast, February sees slightly cooler temperatures, with an average minimum of 17°C (62°F) and a maximum of 26°C (79°F). Despite February's cooler temperatures, it has even higher precipitation levels, with an average of 262 mm (10.3 in) over 23 days, compared to August's 197 mm (7.8 in) over 27 days. For more insights on February weather specifically, you can visit Hilo weather in February.
When comparing August and March weather, August tends to be slightly warmer, with temperatures ranging from a minimum of 21°C (70°F) to a maximum of 27°C (82°F), and an average temperature of 24°C (75°F). In contrast, March features cooler temperatures, with a minimum of 17°C (64°F) and a maximum of 26°C (78°F), averaging 21°C (70°F). Both months have significant precipitation, with March seeing about 225 mm (8.8 in) across 26 days, while August experiences 197 mm (7.8 in) over 27 days. Humidity levels are also high in both months, but August is more humid at 84%, compared to March's 77%. For more details on the weather conditions in March, refer to Hilo weather in March.
In comparing the weather between August and April, both months exhibit warm temperatures, though August tends to be slightly warmer, with an average of 24°C (75°F) compared to April's 22°C (71°F). The maximum temperatures in August reach up to 27°C (82°F), while April's peak is slightly lower at 26°C (80°F). Additionally, August experiences a bit more rainfall, with 197 mm (7.8 in) over 27 days, versus April's 195 mm (7.7 in) across 25 days. Humidity levels are also higher in August at 84%, in comparison to 80% in April. For more detailed information, you can check Hilo weather in April.
In comparing the weather of August and May, August tends to be slightly warmer, with average temperatures ranging from a minimum of 21°C (70°F) to a maximum of 27°C (82°F), while May averages between 19°C (67°F) and 26°C (79°F). Precipitation in August is notably higher, with 197 mm (7.8 in) of rain over 27 days, compared to May's 166 mm (6.5 in) across the same number of days. Additionally, August's humidity level is slightly elevated at 84%, compared to 80% in May. This information highlights the subtropical climate's characteristics, making August feel more humid and wetter than May. For more specific details on May weather, you can visit Hilo weather in May.
Comparing the weather in August and June reveals some interesting differences. In August, the temperatures are slightly warmer, with average highs reaching 27°C (82°F), while June's average maximum also hits 27°C (80°F), but with lower overall humidity levels at 82% compared to August's 84%. August experiences significantly more precipitation, accumulating 197 mm (7.8 in) over 27 days, whereas June sees only 106 mm (4.2 in) across 25 days. This means that while both months have similar maximum temperatures, August tends to be wetter and a bit more humid than June. For more details, you can check Hilo weather in June.
In comparing the weather of August and July, we observe that both months share a similar minimum temperature of 21°C (70°F) and an average of 24°C (75°F). However, July tends to be slightly warmer overall, with a maximum temperature reaching up to 29°C (85°F), compared to August's maximum of 27°C (82°F). Precipitation levels are notably higher in August, with 197 mm (7.8 in) falling over 27 days, while July experiences 131 mm (5.1 in) over 28 days. Humidity remains comparable, with August at 84% and July at 83%. For more detailed insights into July's climate, check out Hilo weather in July.
August and September in Hilo showcase a gradual transition in weather patterns. In August, temperatures remain consistently warm, with a minimum of 21°C (70°F) and an average of 24°C (75°F), while September sees a slight increase with a maximum of 28°C (82°F) and similar nightly lows. However, August experiences significantly more rainfall, totaling 197 mm (7.8 in) over 27 days, compared to September's 108 mm (4.3 in) over 24 days. The humidity levels remain high in both months, dropping slightly from 84% in August to 82% in September. For more details, check out the Hilo weather in September.
In August, the weather tends to be slightly wetter and more humid, with an average temperature of 24°C (75°F) and a total precipitation of 197 mm (7.8 in) spread over 27 days. In contrast, October sees similar average temperatures, around 24°C (75°F), but with slightly less rainfall at 189 mm (7.4 in) over 23 days, making it a bit drier. Both months share comparable humidity levels, with August at 84% and October slightly lower at 83%. For more specifics about the climate, check out Hilo weather in October.
August and November in Hilo showcase a relatively similar climate, with both months experiencing warm temperatures. In August, the minimum temperature is slightly higher at 21°C (70°F), while the average temperature stands at 24°C (75°F) and can reach a maximum of 27°C (82°F). November shows a comparable temperature profile, with a minimum of 20°C (68°F) and an average of 23°C (74°F), peaking at the same maximum of 27°C (80°F). However, August sees significantly more precipitation, with 197 mm (7.8 in) over 27 days, compared to November’s 153 mm (6.0 in) across 24 days. Humidity levels are similarly high in both months, with August at 84% and November slightly lower at 83%. For more details about November weather, check out Hilo weather in November.
In August, the weather in Hilo features warm temperatures with a minimum of 21°C (70°F) and an average of 24°C (75°F), peaking at a maximum of 27°C (82°F). This month experiences significant precipitation, with 197 mm (7.8 in) falling over 27 days, and humidity levels remain high at 84%.
In contrast, December offers slightly cooler temperatures, with a minimum of 18°C (65°F), an average of 22°C (71°F), and a maximum of 26°C (78°F). Precipitation increases to 228 mm (9.0 in) over 24 days, accompanied by a marginally lower humidity level of 81%.
For more details on Hilo's December climate, visit Hilo weather in December.
As August rolls into Hilo, residents and visitors alike experience a distinctive blend of warm temperatures and high humidity, setting it apart from other months. With average highs around 27°C and a notable 84% humidity, the air feels particularly heavy, often leading to those daily afternoon rain showers. The month sees frequent precipitation, accumulating to nearly 197 mm, which can make it seem wetter compared to its counterparts. Despite the rain, Hilo's flora flourishes, creating a lush landscape that's vibrant and alive. For those looking to fully understand the climatic patterns and the unique features of Hilo's weather, check out Hilo Climate.