Last updated: February 24, 2025
In January, Kahalu'u, United States experiences a mild tropical climate, with average temperatures hovering around 23°C (73°F). Daytime highs can reach up to 27°C (80°F), while nighttime lows dip to a comfortable 19°C (67°F). The month sees a total precipitation of 34 mm (1.3 in) spread over approximately 9 days, contributing to the lush scenery that characterizes this coastal locale. With an average humidity of 78%, the air feels warm and inviting, enhancing the region's charm for visitors seeking outdoor adventures and vibrant ambiance.
In Kahalu'u, United States, January welcomes visitors with pleasant tropical temperatures, featuring a minimum of 19°C (67°F) and an average of 23°C (73°F), peaking at a comfortable 27°C (80°F). This month marks the transition from cooler winter days to the warmer conditions that define the Hawaiian climate. As the year progresses into February, temperatures dip slightly, with a minimum of 16°C (62°F), but the averages and maximums remain similar, providing a consistent warmth throughout. By March and April, the temperatures bounce back, reflecting a delightful stability with averages around 22-23°C (72-74°F) and maximums steadily hovering between 27-28°C (80-82°F). Overall, Kahalu'u's January sets a charming tone for the year, offering a sweet spot of warmth that helps one embrace the island's serene beauty.
In January, Kahalu'u experiences a relatively mild start to the year, with a total precipitation of 34 mm (1.3 in) spread over 9 days. This marks a significant contrast to the wetter months that follow, particularly February and March, where precipitation levels soar to 82 mm (3.2 in) and 89 mm (3.5 in), respectively. The pattern indicates a steady increase in rainfall as the winter transitions into spring, suggestive of a seasonal shift. Despite the lower totals in January, this month sets the stage for the wetter conditions ahead, as evidenced by an overall trend of increasing precipitation leading into the more rain-soaked months of late fall and winter, culminating in December's robust 87 mm (3.4 in).
In Kahalu'u, January unveils a humidity level of 78%, setting the stage for the wetter months ahead. As the year progresses, humidity gradually climbs, peaking in the summer months of July and August at an even 83%. This trend reflects a consistent rise as Hawaii's tropical climate embraces the warmer temperatures. By April, the levels reach 81%, and continue to elevate slightly through the spring and summer. Notably, humidity begins to ease in the latter part of the year, with December closing out at 79%. Overall, the pattern illustrates a fairly stable but predictably humid environment, characteristic of the region's tropical allure.
In January, the UV Index in Kahalu'u sits at a high level of 7, indicating that while sun exposure can be enjoyed, caution is still advised with a burn time of about 25 minutes. As the months transition into February and beyond, residents and visitors alike should take note of the increasing intensity of UV rays, with the index climbing to 10 and then reaching a peak of 13 during the summer months of June through August. This trend signifies a shift to an extreme exposure category, reducing safe burn time to a mere 10 minutes. Interestingly, as winter approaches again, the UV Index tapers back to 7 in December, reminiscent of the lethargic start of the year. For detailed information on how to protect your skin during these varying levels of UV radiation, check out Kahalu'u UV Index.
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In Kahalu'u, the beginning of the year greets residents with 219 hours of sunshine in January, signaling the start of a bright and sunny season. As the weeks roll into February, the sunshine hours increase to 249, setting a positive trend that only continues to grow. By March, the warmth of spring begins to shine more brightly with 286 hours, and as we move into April, the days get longer, reaching 309 hours. The peak of sunshine arrives in July, showcasing an impressive 349 hours of radiant days, only slightly tapering off in August but still enjoying 338 hours. As summer transitions to fall, while the sun still shines brightly with 319 hours in September, daylight begins to decrease gradually, culminating in 301 hours in October and further diminishing through the winter months. The sunshine pattern distinctly illustrates Kahalu'u's allure, with prolonged sun-filled days inviting both locals and visitors to bask in its vibrant climate.
In Kahalu'u, January ushers in a moderate 52% chance of sunny weather, setting the tone for the year ahead. As winter begins to wane, the promise of brighter days gradually increases, with February experiencing a boost to 59%, hinting at an early onset of spring-like conditions. This upward trend continues as May and August shine with 64% and 63% likelihoods, respectively, showcasing the region's peak sunny periods. However, the summer months, particularly July, dip down to 48%, reminding residents that clouds still linger. As the year transitions towards winter, December sees a significant drop to 36%, emphasizing the cyclical nature of Kahalu'u's weather and keeping the anticipation for sunnier skies alive as January rolls around once more.
In Kahalu'u, United States, January marks the beginning of the year with 10 hours of daylight, gradually increasing as the months progress. By February, daylight extends to 11 hours, paving the way for spring's vibrant energy. The transition becomes even more pronounced in March and April, when the daylight stretches to 12 hours, providing an invigorating boost as nature awakens. As we move into the heart of summer, June through August enjoy the peak at 13 hours of daylight, offering ample time for outdoor adventures and soaking up the sun. However, as autumn approaches, a gentle decline begins, with daylight tapering back to 12 hours in September and eventually down to 10 hours by December, closing the year with a cozy, reflective retreat into shorter days. This rhythmic pattern of daylight duration highlights the seasonal shifts in Kahalu'u, inviting residents and visitors alike to embrace each unique phase of the year.
In Kahalu'u, the winds of January embrace the island with an average speed of 6.1 m/s (14 mph), setting a breezy tone for the year. As winter transitions into spring, winds gently taper off, with February and April recording slightly lower speeds at 5.7 m/s (13 mph) and 5.0 m/s (11 mph), respectively. However, the arrival of summer brings a refreshing gust, peaking in July at 7.0 m/s (16 mph), before stabilizing again around 6.1 m/s (14 mph) in September and October. As the year winds down, the breezes soften, dipping to a gentle 4.1 m/s (9 mph) in November, only to regain strength as December approaches, returning to 6.2 m/s (14 mph). Overall, Kahalu'u experiences a dynamic wind pattern, with notable peaks and valleys that reflect the island’s changing seasons.
The weather in Kahalu'u changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of January's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Kahalu'u and find detailed weather information for every month.
In comparing the weather between January and February, January tends to be slightly warmer with average temperatures ranging from a minimum of 19°C (67°F) to a maximum of 27°C (80°F). In contrast, February's temperatures are a bit cooler, with minimums of 16°C (62°F) and maximums of 26°C (79°F). February also experiences significantly more rainfall, with 82 mm (3.2 in) over 14 days, compared to January's 34 mm (1.3 in) over 9 days. Additionally, humidity levels remain relatively consistent, with January at 78% and February at 79%. For more detailed insights, you can explore Kahalu'u weather in February.
In comparing the weather between January and March, we see some similarities as well as notable differences. Both months have a minimum temperature around 19°C (67°F) and average temperatures that hover around 22-23°C (73°F). However, March experiences slightly cooler average temperatures, with a maximum reaching 27°C (81°F) compared to January’s max of 27°C (80°F).
One significant difference is the amount of precipitation: January averages 34 mm (1.3 in) over 9 days, while March sees significantly more rain at 89 mm (3.5 in) across 16 days. Despite the increase in rainfall, humidity remains constant in both months at 78%. To learn more about March weather specifics, you can check Kahalu'u weather in March.
In comparing the weather in January and April, we see some notable similarities and differences. Both months experience a minimum temperature of around 19°C (66°F), and the average temperatures remain fairly consistent, with January at 23°C (73°F) and April slightly warmer at 23°C (74°F). The maximum temperatures also peak at 27°C (80°F) in both months. However, April has a higher precipitation level, with 51 mm (2.0 in) compared to January's 34 mm (1.3 in), and it experiences more rainy days—13 days in April versus 9 days in January. Humidity levels are higher in April as well, averaging 81% compared to 78% in January. For more detailed insights on April weather, you can visit Kahalu'u weather in April.
In comparing the weather between January and May, both months exhibit warm temperatures, but May tends to be slightly warmer, with an average of 24°C (75°F) compared to January's 23°C (73°F). January's maximum temperature reaches 27°C (80°F), while in May it can climb slightly higher to 28°C (82°F). Precipitation also increases in May, with a total of 44 mm (1.7 in) over 13 days, compared to January's 34 mm (1.3 in) over 9 days. Additionally, humidity rises from 78% in January to 82% in May, contributing to a more tropical feel as spring unfolds. For a more detailed look at the weather during this month, visit Kahalu'u weather in May.
In January, temperatures range from a minimum of 19°C (67°F) to a maximum of 27°C (80°F), with an average of 23°C (73°F). The month sees a moderate level of precipitation at 34 mm (1.3 in), experienced over about 9 days, and the humidity sits at 78%. In contrast, June has slightly warmer temperatures, with a minimum of 22°C (72°F) and a maximum of 28°C (83°F), averaging 25°C (77°F). Additionally, June experiences more precipitation, totaling 56 mm (2.2 in) across 11 days, and the humidity is a bit higher at 82%. For a closer look at the details, you can visit Kahalu'u weather in June.
Comparing the weather in January and July reveals some interesting differences. In January, temperatures range from a minimum of 19°C (67°F) to a maximum of 27°C (80°F), with an average of 23°C (73°F) and relatively low precipitation of 34 mm (1.3 in) spread over 9 days. Conversely, July experiences slightly warmer temperatures, with a minimum of 22°C (72°F) and a maximum of 28°C (83°F), along with a higher average of 26°C (78°F). The precipitation in July is also a bit more significant at 39 mm (1.5 in) over 16 days, contributing to the increased humidity, which rises from 78% in January to 83% in July. For a closer look at July weather specifics, you can check Kahalu'u weather in July.
Comparing the weather in January and August reveals a notable shift in temperature and precipitation. In January, temperatures are milder, with averages around 23°C (73°F), while August sees slightly warmer conditions, averaging 26°C (79°F). Precipitation is slightly higher in August, with 41 mm (1.6 inches) of rain over 12 days compared to January's 34 mm (1.3 inches) over 9 days. Additionally, humidity levels increase in August, reaching 83% compared to January’s 78%. For more detailed weather information, you can check Kahalu'u weather in August.
In January, the weather is slightly cooler, with average temperatures ranging from a minimum of 19°C (67°F) to a maximum of 27°C (80°F). The month is characterized by relatively moderate precipitation, measuring 34 mm (1.3 in) over about 9 days, alongside a humidity level of 78%. In contrast, September brings warmer temperatures, with averages ranging from a minimum of 22°C (72°F) to a maximum of 29°C (85°F). Rainfall also increases slightly to 37 mm (1.5 in) over approximately 12 days, along with a higher humidity of 82%. For a more detailed look at September weather in Kahalu'u, you can check Kahalu'u weather in September.
In January, the weather tends to be slightly cooler, with average temperatures ranging from a minimum of 19°C (67°F) to a maximum of 27°C (80°F). The month experiences about 34 mm (1.3 in) of precipitation over approximately 9 days, and the humidity sits around 78%. In contrast, October brings warmer conditions, with temperatures ranging from a minimum of 22°C (72°F) to a maximum of 29°C (84°F). Rainfall increases to 66 mm (2.6 in) spread over 15 days, and humidity rises slightly to 81%. For more detailed insights, check out Kahalu'u weather in October.
In January, the weather is characterized by slightly cooler temperatures, ranging from a minimum of 19°C (67°F) to a maximum of 27°C (80°F) with an average of 23°C (73°F). The month sees moderate rainfall, accumulating 34 mm (1.3 in) over approximately 9 days, and maintains a humidity level of 78%. In contrast, November offers slightly warmer conditions, with temperatures ranging from a minimum of 20°C (69°F) to a maximum of 29°C (84°F), and an average of 25°C (76°F). However, it experiences more rainfall, totaling 48 mm (1.9 in) over 16 days, and a similar humidity level of 80%. For more detailed information on the weather in November, visit Kahalu'u weather in November.
In comparing the weather between January and December, we see that both months experience similar temperatures, with January having a minimum of 19°C (67°F) and December registering slightly lower at 18°C (65°F). Both months have an average temperature of around 23°C (73°F) and peak at 27°C (80°F) in January and 27°C (81°F) in December. However, December tends to be wetter, with 87 mm (3.4 in) of rainfall over 16 days, compared to January's 34 mm (1.3 in) across just 9 days. Humidity levels are also similar, with December at 79% and January at 78%. For those interested in more detailed information, you can check out Kahalu'u weather in December.
January in Kahalu'u offers a refreshing departure from the heat of the summer months, with milder temperatures that create a pleasant atmosphere for visitors and locals alike. While the average warmth is comfortable, January does see a notable increase in humidity and some rainfall, providing a lush backdrop for outdoor activities. The precipitation, which is more frequent than during the drier summer months, contributes to the vibrant environment that characterizes this time of year. For those looking to explore the unique charm of this Hawaiian paradise, January presents a distinct blend of warmth and moisture, perfect for enjoying both the landscape and the ocean. To learn more about what to expect throughout the year, check out Kahalu'u Climate.