Last updated: February 24, 2025
January in Kailua, Hawaii, offers a delightful tropical experience, with average temperatures hovering around 23°C (73°F). Visitors can expect pleasant daytime highs reaching up to 27°C (80°F) and cooler evenings where temperatures dip to a comfortable 19°C (67°F). While the month sees an average precipitation of 34 mm (1.3 in) spread over 9 days, the humidity stands at a balmy 78%, creating a lush environment. Whether it's exploring the stunning beaches or enjoying local culture, January's weather in Kailua sets the perfect backdrop for a memorable getaway.
In Kailua, United States, January is characterized by mild and pleasant temperatures, making it a perfect escape from colder climates. With minimums hovering around 19°C (67°F) and maximums peaking at 27°C (80°F), the month boasts an inviting average temperature of 23°C (73°F). This trend of comfortable warmth continues into early February, with slightly cooler evenings, but gradually the temperatures settle into a consistent pattern as spring approaches. Notably, January's warmth lays the groundwork for the subsequent months, where temperatures gradually increase, often reaching up to 29°C (85°F) by August. The overall stability in Kailua's winter climate invites outdoor activities, drawing both locals and tourists to savor the stunning Hawaii sunshine throughout the season.
In January, Kailua experiences relatively moderate precipitation, with a total of 34 mm (1.3 in) falling over approximately 9 days. This sets the stage for a gradually wetter winter, as the following month, February, nearly doubles the rainfall to 82 mm (3.2 in) across 14 days. As the months progress into spring, precipitation continues to increase, peaking in March with 89 mm (3.5 in) over 16 days. A slight drop occurs in April and May, but rainfall remains significant, averaging around 44 mm to 51 mm (1.7 to 2.0 in). The onset of summer shows fluctuations, with June recording 56 mm (2.2 in) before tapering off in July and August. By the year’s end, December sees a resurgence with 87 mm (3.4 in) over 16 days, underscoring a trend of increased precipitation as the seasons transition, particularly in the winter and early spring months.
In Kailua, United States, January ushers in a humidity level of 78%, setting the tone for a month characterized by a pleasant, yet slightly sticky climate. As the year progresses, humidity tends to rise, peaking in the mid-summer months of July and August at 83%. This pattern indicates a gradual increase in moisture during the warmer months, with April marking a notable uptick to 81% as spring gives way to summer. Despite the humid conditions, there's a slight decrease in humidity towards the end of the year, concluding with 79% in December, suggesting a welcome relief as cooler temperatures approach. Overall, the annual trend reflects a humid maritime climate, with January serving as a gentle introduction to the more humid days ahead.
In Kailua, January marks the beginning of a dramatic rise in UV exposure as the month starts with a UV Index of 7, categorized as high, with a burn time of just 25 minutes for fair-skinned individuals. This sets the stage for a significant increase as February jumps to a UV Index of 10, elevating the exposure to very high levels. As we progress into the spring and summer months, the UV index soars to extreme levels, peaking at 13 from June through August, where the burn time shrinks to a mere 10 minutes. This trend signifies a critical need for sun protection, especially from late spring through early autumn. As the year cools down, UV levels diminish slightly, but even in December, the index remains at 7, emphasizing the importance of vigilance against UV radiation year-round. For more details, visit Kailua UV Index.
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In Kailua, January welcomes the year with 219 hours of sunshine, a gentle start to the island's increasingly radiant days. As the months progress, sunlight steadily increases, peaking in July with an impressive 349 hours. This trend paints a vibrant picture of summer, where the days are long and full of light. August remains equally bright, but from September onward, sunshine hours begin to taper off gently, mirroring the transition to cooler seasons. By December, the sun graces Kailua with 255 hours, marking a smooth descent into winter. Overall, the island's sun-kissed months reflect a delightful rhythm of illumination, inviting residents and visitors alike to embrace the beauty of each passing day.
In Kailua during January, there's a 52% chance of sunny weather, setting the tone for a moderately bright start to the year. As we progress into February, the likelihood of sunshine increases to 59%, hinting at a trend of improving conditions as winter gives way to spring. This upward trajectory peaks in May at 64%, followed by consistently favorable conditions throughout the summer months. However, as the year winds down, particularly in December, the chance of sunshine takes a downward dip to 36%, reminding us that the sunniest days are more likely to be enjoyed earlier in the year. Overall, January holds a solid promise of sunshine, offering a glimpse of the delightful weather to come.
In January, Kailua enjoys approximately 10 hours of daylight, marking the beginning of the year with shorter days. As the month transitions into February, daylight extends to 11 hours, setting the stage for an upward trend. This gradual increase continues through March and April, where residents bask in a full 12 hours of sunshine. May heralds the peak of the daylight season with 13 hours, a duration that persists through June and July. However, as summer gives way to autumn, this radiance begins to wane, with daylight gradually falling back to 12 hours in August and September, before settling back to 11 hours in October and November. By December, the cycle completes itself as daylight returns to 10 hours, illustrating a predictable ebb and flow of light throughout the year in Kailua, perfectly reflecting the island's seasonal rhythm.
In Kailua, January greets residents and visitors with an average wind speed of 6.1 m/s (14 mph), setting a brisk tone for the month. As winter progresses, the winds tend to mellow, dipping slightly in February to 5.7 m/s (13 mph) and further to 5.0 m/s (11 mph) in April. However, the spring months see a gentle resurgence, as winds pick up again to 5.7 m/s (13 mph) in May. July notably brims with energy, boasting the highest speed at 7.0 m/s (16 mph), before calming down as summer gives way to autumn. Interestingly, September and October mirror January's conditions with steady 6.1 m/s and 6.2 m/s winds respectively. The year wraps up in November with the calmest breeze at 4.1 m/s (9 mph), emphasizing a noticeable seasonal trend where Kailua's winds dance between playful breezes and spirited gusts, creating a dynamic atmosphere throughout the year.
The weather in Kailua 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 Kailua and find detailed weather information for every month.
January typically features warmer temperatures than February, with average highs reaching 27°C (80°F) compared to February’s 26°C (79°F). However, February experiences a slightly cooler minimum temperature of 16°C (62°F), whereas January's minimum is 19°C (67°F). Additionally, February is noticeably wetter, receiving 82 mm (3.2 in) of precipitation over 14 days, significantly higher than January’s 34 mm (1.3 in) over 9 days. The humidity levels are quite similar, with January at 78% and February at 79%. For a more detailed look at the conditions in February, you can check out Kailua weather in February.
In comparing the weather between January and March, both months experience similar temperature ranges, with January featuring a minimum of 19°C (67°F) and a maximum of 27°C (80°F), while March holds steady with a minimum of 19°C (66°F) and a maximum of 27°C (81°F). However, March tends to be significantly wetter, receiving 89 mm (3.5 in) of precipitation over 16 days compared to January's 34 mm (1.3 in) across 9 days. Despite the increase in rainfall, humidity remains consistent at 78% for both months. For more detailed information, you can visit Kailua weather in March.
In January, the weather in Kailua experiences mild temperatures with minimums around 19°C (67°F) and maximums peaking at 27°C (80°F), accompanied by an average temperature of 23°C (73°F). Precipitation is moderate at 34 mm (1.3 inches) over about 9 days, while humidity stands at 78%. In contrast, April maintains a similar temperature range but sees slightly higher averages and increased precipitation, totaling 51 mm (2.0 inches) over 13 days, with humidity rising slightly to 81%. While both months offer warmth, April tends to be a bit wetter and more humid, making for a noticeable shift in the weather. For more details, check out the Kailua weather in April.
In comparing the weather between January and May, we see some notable similarities and differences. January features slightly cooler temperatures with a minimum of 19°C (67°F) and an average of 23°C (73°F), while May experiences a minimum temperature of 18°C (65°F) and an average of 24°C (75°F). Although both months are relatively warm, May is marginally hotter overall, with a maximum of 28°C (82°F) compared to January’s maximum of 27°C (80°F). However, May does see more precipitation, recording 44 mm (1.7 in) over 13 days, compared to January's 34 mm (1.3 in) over 9 days. Additionally, humidity increases slightly from January to May, with January at 78% and May at 82%. For a detailed look at the specific conditions in May, you can check out Kailua weather in May.
In January, the weather exhibits milder temperatures with minimums around 19°C (67°F) and an average of 23°C (73°F), reaching a maximum of 27°C (80°F). The month experiences a lower level of precipitation, totaling 34 mm (1.3 in) over about 9 days, alongside a humidity level of 78%. By contrast, June sees slightly warmer conditions, beginning with a minimum temperature of 22°C (72°F) and an average of 25°C (77°F), peaking at 28°C (83°F). This month also has increased precipitation, with 56 mm (2.2 in) spread over 11 days, and humidity rises to 82%. For more specific details, you can check out Kailua weather in June.
In January, the weather is warm but slightly cooler, with average temperatures ranging from a minimum of 19°C (67°F) to a maximum of 27°C (80°F). The month sees about 34 mm (1.3 in) of precipitation over approximately 9 days, and the humidity sits at a comfortable 78%. In contrast, July experiences slightly higher temperatures, with a minimum of 22°C (72°F) and an average max of 28°C (83°F). Precipitation increases to 39 mm (1.5 in) spread over 16 days, contributing to a humidity level of 83%. For more detailed information on July weather, you can refer to Kailua weather in July.
In January, temperatures range from a mild minimum of 19°C (67°F) to a comfortable maximum of 27°C (80°F), with an average of 23°C (73°F). The month sees about 34 mm (1.3 in) of precipitation over approximately 9 days, combined with a humidity level of 78%. In contrast, August experiences slightly warmer weather with minimum temperatures starting at 23°C (73°F) and maximums reaching up to 29°C (85°F), averaging 26°C (79°F). Precipitation increases to 41 mm (1.6 in) across around 12 days, accompanied by a higher humidity of 83%. The marked differences highlight the transition from January's cooler, drier conditions to the more humid and slightly wetter climate of August. For more details, you can check out Kailua weather in August.
In January, the weather is warm and pleasant, with minimum temperatures around 19°C (67°F) and an average of 23°C (73°F), peaking at 27°C (80°F). The month experiences about 34 mm (1.3 in) of precipitation over 9 days and has a humidity level of 78%. By contrast, September sees slightly higher temperatures, with a minimum of 22°C (72°F), an average of 26°C (79°F), and a maximum of 29°C (85°F). Precipitation increases to 37 mm (1.5 in) over 12 days, and humidity rises to 82%. For a detailed look at what to expect during this month, check out Kailua weather in September.
In comparison to January, October experiences slightly warmer temperatures, with minimums of 22°C (72°F) versus January's 19°C (67°F). The average temperatures are also higher in October at 25°C (78°F), compared to January's 23°C (73°F). Additionally, October sees more rainfall, with 66 mm (2.6 in) over 15 days, compared to January's 34 mm (1.3 in) over 9 days. Humidity levels are quite similar, with October at 81% and January at 78%. For more detailed information on October weather, you can visit Kailua weather in October.
In comparing the weather between January and November, January 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), while November exhibits warmer conditions, with temperatures fluctuating from a minimum of 20°C (69°F) to a high of 29°C (84°F). Precipitation also varies, as November receives more rainfall at 48 mm (1.9 in) over 16 days compared to January's 34 mm (1.3 in) over 9 days. Humidity levels are relatively similar, with January at 78% and November slightly higher at 80%. For more detailed insights on the weather during this month, check out Kailua weather in November.
In comparing the weather between January and December, we find that both months have similar temperature ranges, with January showing a minimum of 19°C (67°F) and December just slightly lower at 18°C (65°F). The average temperatures are almost identical, hovering around 23°C (73°F), while the maximums also remain consistent at 27°C (80°F) in January and 27°C (81°F) in December. However, notable differences arise in precipitation; January experiences significantly less rainfall with 34 mm (1.3 in) over 9 days, compared to December's 87 mm (3.4 in) over 16 days. Humidity levels are also slightly higher in December at 79%, compared to 78% in January. For a deeper look at the weather patterns during December, you can visit Kailua weather in December.
As January unfolds in Kailua, you'll discover a unique blend of mild temperatures and refreshing humidity that sets it apart from other months. With averages hovering around a comfortable 23°C (73°F), this time of year offers a pleasant escape from the tropical heat typically experienced in Hawaii's peak summer. While rainfall is a bit more frequent, with around 34 mm spread over 9 days, it contributes to the lush scenery rather than spoiling outdoor activities. The 78% humidity, while noticeable, adds to that tropical charm, making it an ideal time for those who appreciate a cooler climate with just a hint of rain. For a deeper dive into what to expect throughout the year, check out the full details on Kailua Climate.