January Weather in Kahului, United States

Last updated: February 24, 2025

January in Kahului, United States offers a delightful tropical experience with temperatures averaging 23°C (74°F), peaking at a maximum of 28°C (83°F) and dipping to a pleasant 19°C (66°F) overnight. Visitors can expect a moderate humidity level of 78%, creating a refreshing atmosphere perfect for outdoor adventures. While January brings about 32 mm (1.3 in) of rainfall spread across approximately 5 days, the showers often serve to enhance the island's vibrant landscape rather than hinder exploration. Ideal for those seeking a mild winter escape, Kahului is a destination where the warm climate and stunning scenery converge beautifully.

January Temperature in Kahului

In Kahului, United States, January greets residents with mild and pleasant temperatures, showcasing a minimum of 19°C (66°F) and an average that comfortably hovers around 23°C (74°F). As the month progresses, daytime highs can soar up to 28°C (83°F), making it an ideal time for outdoor activities. This gentle warmth sets the tone for the early months of the year, as February follows closely with similar temperature ranges, continuing the trend of warm yet inviting weather. With such consistent conditions, January is perfect for enjoying the beauty of Maui, from stunning beaches to lush landscapes, inviting visitors and locals alike to savor the tropical charm.

January Weather in Kahului: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Kahului, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec747373757779798080797775
Data source: Temperature data for Kahului generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Kahului

In January, Kahului experiences a modest precipitation total of 32 mm (1.3 in), spread over approximately five days. This relatively low rainfall marks the beginning of the year, setting a trend for the drier months ahead, particularly June, which only sees 11 mm (0.4 in) across just two days. As winter transitions to spring, precipitation levels rise, peaking in February with 75 mm (2.9 in) and maintaining heightened but decreasing amounts through March and April. The steady decline in both total rainfall and rainy days throughout the months signals a shift toward the more arid summer season, emphasizing Kahului's distinct wet and dry patterns throughout the year.

January Precipitation Trends in Kahului

The chart displays monthly precipitation patterns in Kahului, with values for each month alongside January's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec327552493611232517402545
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Kahului

In Kahului, January ushers in a humidity level of 78%, setting the stage for a noticeably moist climate throughout the year. As winter transitions into spring, humidity gradually creeps up, peaking in the warmer summer months of July and August at 85%. This trend reflects a steady increase, with each month contributing to a more humid atmosphere that encapsulates the beauty of Hawaiian weather. By the close of the year, humidity recedes slightly to 81% in December, yet remains relatively high, highlighting Kahului's tropical characteristics. Overall, the consistent rise in humidity from January through July showcases the essence of a vibrant, lush environment that thrives on moisture.

January Average Humidity in Kahului

This chart illustrates the average monthly humidity levels in Kahului, with January's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how January's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec79%79%79%82%83%84%85%85%84%83%82%81%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Kahului

In January, Kahului experiences a UV Index of 7, categorizing it as high with a burn time of 25 minutes. As the months progress, the UV Index steadily escalates, peaking in June, July, and August at a striking 13, classified as extreme, where skin damage can occur in just 10 minutes. The downturn starts in September with a slight decrease to 12, followed by October's 11, and a return to very high levels of 8 in both November and December with burn times of 15 minutes. This trend highlights the need for enhanced sun protection during the peak summer months, while still recognizing the importance of precaution in early winter and spring. For more detailed information, visit Kahului UV Index.

Maximum UV Index Levels in Kahului for January

The chart shows the monthly maximum UV Index (UVI) for Kahului in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec710111212131313121188
Data source: Kahului January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

January Sunshine in Kahului

In Kahului, January offers a gentle start to the year with 222 hours of sunshine, setting the stage for a gradual increase in warmth and light. As the months progress, the sun shines more brightly, peaking in July with an impressive 349 hours, perfect for enjoying the island’s stunning beaches and outdoor activities. This peak is followed by a slight decline in sunshine hours, with August and September still delivering a generous amount of light at 335 and 316 hours respectively. As the year winds down, sunshine hours gradually taper off, landing at 264 hours in December. This consistent rise in sunshine, peaking in summer and gently fading towards winter, underscores Kahului's alluring climate, making it a year-round paradise for sun seekers.

Monthly Sunshine Duration in Kahului: January Highlighted

The January sunshine duration represents the total number of hours Kahului experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec222h255h290h311h335h342h349h335h316h301h272h264h
Data source: Kahului January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kahului During January

In Kahului, United States, January offers a 55% chance of sunny weather, making it a relatively bright start to the year. This likelihood is slightly lower than in the following month, February, which enjoys a 61% chance of sunshine, showcasing a trend towards increased sunlight as winter transitions into spring. Over the months, the chances fluctuate, peaking in August at an impressive 69%, indicating the vitality of summer. Conversely, December brings a dip to 37%, hinting at the cloudier conditions of winter. Overall, the sunshine trends reflect a dynamic climate, with January serving as a hopeful prelude to the sunnier days ahead.

Percentage of Sunny Days in January in Kahului

The chart illustrates the percentage of sunny days in Kahului throughout the year, with January highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Kahului experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec55%61%50%57%59%58%51%69%61%66%61%37%
Data source: Kahului January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kahului in January

In Kahului, United States, January greets residents with 11 hours of daylight, setting the stage for a gradual shift as the months progress. This consistent daylight duration remains stable into February, but as spring approaches in March, the days begin to lengthen, reaching 12 hours. By April and May, daylight peaks, offering up to 13 hours, a welcome brightness that continues through the summer months in June and July. As August rolls in, the sun starts to set earlier again, transitioning back to 12 hours in September. By the time October arrives, daylight diminishes once more to 11 hours, drawing the year to a close with December bringing just 10 hours. This rhythmic cycle not only enriches the natural beauty of the area but also invites residents and visitors to embrace the changing seasons throughout the year.

Average Daylight Hours in Kahului for January

The chart illustrates the variation in daylight duration in Kahului throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h11h 27m12h 2m12h 38m13h 7m13h 22m13h 14m12h 47m12h 13m11h 37m11h 7m10h 52m
Data source: Kahului daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Kahului

In Kahului, United States, January heralds a gentle breeze with an average wind speed of 4.8 m/s (11 mph), setting the tone for a month that feels both refreshing and invigorating. As the year unfolds, this moderate wind flows smoothly into February and March, maintaining similar speeds around 4.6 and 4.7 m/s respectively. The trend begins to shift in the summer months, where July sees a noticeable leap to 5.6 m/s (13 mph), offering a livelier atmosphere perfect for outdoor activities. Although August and September drop slightly to around 4.9 and 5.0 m/s, the winds whisper consistency until October, which sneaks in a modest increase to 5.2 m/s (12 mph). Come November, the winds soften significantly, dipping to 3.6 m/s (8 mph), before returning to the starting average by December. Throughout the year, Kahului’s wind patterns reveal a dynamic interplay of gentle and brisk breezes, painting a picture of an island locale in harmony with nature’s rhythm.

Average January Wind Speed in Kahului

The chart displays monthly wind speed patterns in Kahului, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.8 m/s4.64.74.24.84.65.64.95.05.23.64.8
Data source: Kahului January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Kahului Compares to Other Months

The weather in Kahului 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 Kahului and find detailed weather information for every month.

January and February exhibit similar temperature ranges, with February experiencing slightly cooler minimum temperatures, dipping to 16°C (61°F) compared to January's 19°C (66°F). Both months have an average temperature of 23°C (73°F) and a maximum of 28°C (83°F). However, February is noticeably wetter, with 75 mm (2.9 in) of precipitation over 10 days, whereas January sees only 32 mm (1.3 in) over 5 days. Humidity levels remain relatively comparable, with January at 78% and February at 79%. For a more detailed look at February weather in Kahului, you can visit Kahului weather in February.

In January, temperatures typically range from a minimum of 19°C (66°F) to a maximum of 28°C (83°F), with an average of 23°C (74°F). During this month, there is an average of 32 mm (1.3 in) of precipitation over approximately 5 days, and humidity levels sit at around 78%.

In contrast, March sees slightly warmer conditions, with a minimum temperature of 18°C (64°F) and a maximum of 29°C (84°F), maintaining the same average of 23°C (74°F). However, it experiences more rainfall, totaling 52 mm (2.0 in) across 10 days, and a marginal increase in humidity at 79%.

For more detailed insights into March weather, you can visit Kahului weather in March.

In comparing the weather between January and April, both months feature similar minimum temperatures of around 19°C (66°F), but April sees a slight increase in the average temperature, rising to 24°C (75°F) compared to January's 23°C (74°F). The maximum temperatures also reflect this trend, with April reaching up to 29°C (84°F) while January peaks at 28°C (83°F). However, April experiences significantly more precipitation, totaling 49 mm (1.9 in) over 9 days, in contrast to January's 32 mm (1.3 in) spread over just 5 days. Additionally, humidity levels are slightly higher in April at 82%, compared to January's 78%. For more details on the weather in April, visit Kahului weather in April.

In January, the weather is generally mild with temperatures ranging from a minimum of 19°C (66°F) to a maximum of 28°C (83°F), and an average of 23°C (74°F). The month experiences about 32 mm (1.3 in) of precipitation over approximately 5 days, while humidity levels hover around 78%. In contrast, May sees slightly warmer conditions with an average temperature of 25°C (77°F), peaking at 31°C (88°F). The precipitation increases marginally to 36 mm (1.4 in) over 6 days, accompanied by higher humidity at 83%. For more details on the weather during this month, you can check out Kahului weather in May.

In January, the weather is typically milder, with temperatures ranging from a minimum of 19°C (66°F) to a maximum of 28°C (83°F) and an average of 23°C (74°F). The month sees a bit more rainfall, with 32 mm (1.3 in) of precipitation over about five days and humidity levels around 78%. In contrast, June brings warmer conditions, with minimum temperatures of 22°C (72°F) and maximums reaching 31°C (88°F), averaging 26°C (79°F). Precipitation is significantly lower at just 11 mm (0.4 in) over two days, and the humidity rises slightly to 84%. For a closer look at June weather specifics, check out Kahului weather in June.

In January, temperatures in Kahului range from a minimum of 19°C (66°F) to a maximum of 28°C (83°F), with an average of 23°C (74°F). The month sees some rainfall, accumulating to 32 mm (1.3 in) over about 5 days, accompanied by a humidity level of 78%. In contrast, July experiences slightly warmer temperatures, with a minimum of 22°C (73°F) and a maximum of 31°C (88°F), averaging at 26°C (80°F). Precipitation is less frequent in July, totaling 23 mm (0.9 in) over just 4 days, while humidity rises to 85%. For more detailed insights, you can check Kahului weather in July.

In January, the weather features milder temperatures with a minimum of 19°C (66°F) and an average of 23°C (74°F), while the maximum can reach up to 28°C (83°F). The month experiences around 32 mm (1.3 in) of precipitation over 5 days, accompanied by a humidity level of 78%. In contrast, August brings warmer temperatures, where the minimum is 22°C (72°F), the average is 27°C (80°F), and highs can soar to 31°C (89°F). Although August has less precipitation at 25 mm (1.0 in), it is slightly more humid, with levels at 85%. For more insights into August weather, check out Kahului weather in August.

In January, the weather is generally milder with temperatures ranging from a minimum of 19°C (66°F) to a maximum of 28°C (83°F). The average temperature is a comfortable 23°C (74°F) with 32 mm (1.3 in) of precipitation over about 5 days, and humidity levels at 78%. In contrast, September experiences warmer conditions, with temperatures starting at a minimum of 23°C (73°F) and peaking at 32°C (89°F), leading to an average of 27°C (80°F). Although September sees less rainfall, with only 17 mm (0.7 in) over 4 days, the humidity is slightly higher at 84%. This makes September feel a bit more sultry compared to the cooler and drier January. For more details, you can check Kahului weather in September.

When comparing January and October, we see a noticeable shift in weather patterns. January typically experiences milder temperatures, with a minimum of 19°C (66°F) and an average around 23°C (74°F), while October brings slightly warmer conditions, with a minimum temperature of 21°C (70°F) and an average of 26°C (79°F). Additionally, October tends to be a bit wetter, with 40 mm (1.6 in) of precipitation over 7 days, compared to January’s 32 mm (1.3 in) across 5 days. Humidity levels are also higher in October at 83%, compared to January's 78%, contributing to the overall warmth and moisture of the month. For more detailed insights, you can check out Kahului weather in October.

In January, the weather features a consistent mild climate with temperatures ranging from a minimum of 19°C (66°F) to a maximum of 28°C (83°F), averaging around 23°C (74°F). The month sees about 32 mm (1.3 in) of precipitation over roughly 5 days, accompanied by a humidity level of 78%.

In contrast, November experiences slightly warmer temperatures, with a minimum of 19°C (67°F) and a higher maximum of 31°C (87°F), averaging at 25°C (77°F). The precipitation decreases to 25 mm (1.0 in) but occurs over 7 days, leading to a higher humidity level of 82%.

Overall, while both months maintain similar minimum temperatures, November tends to be warmer on average and max temperatures, albeit with slightly lower rainfall. For more detailed information, you can check Kahului weather in November.

In comparing the weather between January and December, January tends to be slightly cooler, with average temperatures ranging from a minimum of 19°C (66°F) to a maximum of 28°C (83°F), while December shows a slightly higher average of 24°C (75°F) and peaks at 29°C (85°F). Precipitation is also lower in January, with only 32 mm (1.3 in) over 5 days compared to December's 45 mm (1.8 in) over 11 days. Additionally, humidity is marginally lower in January at 78%, as opposed to December's 81%. For more details, you can check out the Kahului weather in December.

Compare Kahului's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Kahului

January in Kahului offers a delightful respite from the heat, with milder temperatures and a noticeable drop in humidity compared to the peak summer months. While the island still experiences some rain, the relatively low precipitation of five days ensures that most of the month remains sunny and enjoyable. This combination of pleasant warmth and reduced humidity makes January one of the more comfortable times to visit, providing a perfect setting for exploring the natural beauty of Maui. For more insights on what to expect throughout the year, check out Kahului Climate.