Last updated: August 21, 2025
January in Naha, Japan presents a mild winter climate characterized by an average temperature of 19°C (66°F), with daytime highs reaching up to 24°C (75°F). The weather is generally pleasant, though cool evenings can bring temperatures down to a minimum of 12°C (54°F). Visitors can expect moderate rainfall during this month, with 91 mm (3.6 in) spread over approximately 11 days, contributing to a humidity level of 71%. This combination of mild temperatures and occasional showers makes January a unique time to explore the vibrant beauty of Naha.
In Naha, Japan, January enjoys mild temperatures that offer a gentle start to the year, with minimums around 12°C (54°F) and an average of 19°C (66°F). As the month progresses, daytime highs can reach a pleasant 24°C (75°F), making it an ideal time for outdoor exploration without the sweltering heat typical of summer. This stability in temperatures continues into February, where conditions remain nearly unchanged, maintaining a comfortable range that encourages leisurely strolls and cultural experiences. As winter gives way to spring in March, a slight uptick in temperatures signals the transition, with daily highs still peaking at 24°C (76°F). This gradual shift lays the groundwork for the warmth that characterizes Naha's vibrant spring and summer months, emphasizing the city’s inviting climate throughout the year.
In January, Naha, Japan, experiences moderate precipitation, with an average of 91 mm (3.6 in) over 11 days of rain. This marks the beginning of a gradual increase in rainfall as the months progress; February sees a slight uptick to 97 mm, and by March, the rainfall reaches 107 mm. The trend continues, with a significant rise in April and May, culminating in a dramatic spike during the summer months, particularly June, when precipitation peaks at 302 mm (11.9 in) over 19 days. The wettest months, from June to September, not only contribute to the region's lush greenery but also highlight the seasonal patterns that define Naha's climate throughout the year. As the rainy season tapers off in the fall, precipitation begins to decline again, showcasing the city's dynamic weather cycles.
In January, Naha, Japan experiences a comfortable humidity level of 71%, a figure that remains consistent through February. As the seasons shift into spring, humidity begins to rise, peaking at 84% in May and reaching its highest point at 86% during the summer months of June and July. Interestingly, as the summer heat fades, humidity levels dip slightly, stabilizing around 82% through August and September, before gradually decreasing again in the fall and winter months. By December, humidity returns to a more moderate 75%, showcasing a clear seasonal trend marked by increasing moisture leading into summer, followed by a gradual decline as the year draws to a close.
In January, Naha, Japan experiences a UV Index of 7, indicating a high exposure category that allows for around 25 minutes before skin damage begins. This mild yet significant UV exposure signifies the start of a upward trend leading into the year. As the months progress, February escalates to a UV Index of 9, marking a shift to very high exposure, with burn time dropping to just 15 minutes. This trend intensifies as March ushers in an extreme UV Index of 11, further tightening to 10 minutes of safety by April, with values peaking at 13 in May through August, maintaining the extreme classification. Come September, there's a slight dip back to 12, but the intensity remains substantial until October, where it recedes to 9. This cycle illustrates the dramatic seasonal shift in UV exposure throughout the year, highlighting the importance of sun safety practices. For more detailed insights, check out Naha UV Index.
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In Naha, Japan, January ushers in a modest 154 hours of sunshine, setting the stage for a gradual increase as winter transitions into spring. As we move into February, sunlight climbs to 203 hours, hinting at the budding warmth ahead. The trend accelerates through the subsequent months, peaking in the vibrant summers of July and August, where residents bask in a generous 317 and 319 hours respectively. This shining crescendo shifts into a gentle decline as autumn approaches, tapering off to 228 hours in November and 192 hours by December. Overall, Naha's sunlight pattern reflects a vibrant seasonal rhythm, inviting both locals and travelers to revel in the sun-kissed charms of the Okinawan capital throughout the year.
In Naha, Japan, January brings a relatively cool start to the year, with only a 24% chance of sunny weather. This figures stands in stark contrast to the sunnier months that follow; for instance, February sees a noticeable increase to 42%, and by March, the chances rise even further to 46%. The trend continues into April, where sunny days are expected nearly as often, at 39%. As spring approaches, the likelihood of basking in the sunshine only improves, reaching peaks in late summer and early autumn; for example, September boasts a remarkable 59% chance of clear skies. This gradual progression from the cooler, cloudier January to the brighter months underscores Naha's transition into warmth, making it a location where sunlit days are both anticipated and cherished.
In Naha, Japan, January marks the beginning of a gradual transition in daylight duration, as it offers about 10 hours of daylight. As the months progress into February and March, daylight slowly increases, peaking at 12 hours in both March and April, creating a sense of rejuvenation as spring approaches. The longest days unfold in May through August, where residents enjoy 13 hours of daylight, perfect for outdoor activities and soaking up the sun. However, as autumn descends, the daylight begins to wane; from September through November, it decreases back to 10 hours by the end of the year. This rhythmic pattern of increasing and decreasing daylight not only highlights the transition of seasons, but also enhances the experience of life in this beautiful coastal city.
In January, the winds of Naha, Japan, are at their peak, swirling at an average speed of 8.2 m/s (18 mph), breathing life into the coastal landscape. This gusty start to the year marks a noticeable contrast to the calmer breezes of the following months, with February seeing a decrease to 6.9 m/s (15 mph). As spring approaches, the winds gradually wane, dipping to their lowest in March at 5.9 m/s (13 mph) before making a slight recovery in April. Interestingly, the pattern shifts again come autumn, where wind speeds rebound to 7.9 m/s (18 mph) in both October and November, suggesting a seasonal rhythm that captures the essence of Naha's climate. It’s a vivid reminder of how the elements dance throughout the year, with January standing as the bold, spirited beginning of this dynamic cycle.
Weather in Naha varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Naha, focusing on differences in temperature, rainfall, humidity, and UV levels.
Both January and February experience similar weather patterns, with minimal variation in temperatures. In January, temperatures range from a minimum of 12°C (54°F) to a maximum of 24°C (75°F), while February sees slightly warmer highs peaking at 24°C (76°F). Precipitation increases slightly in February to 97 mm (3.8 in) over 12 days, compared to January's 91 mm (3.6 in) over 11 days. The humidity remains consistent at 71% for both months, contributing to a pleasant yet humid climate. For more detailed insights, you can check Naha weather in February.
January in Naha typically features a minimum temperature of 12°C (54°F), an average temperature of 19°C (66°F), and a maximum of 24°C (75°F). The month experiences around 91 mm (3.6 in) of precipitation over 11 days, with humidity levels sitting at 71%. In contrast, March sees slightly warmer temperatures with a minimum of 14°C (57°F), an average of 20°C (68°F), and the maximum remaining consistent at 24°C (76°F). Precipitation increases to 107 mm (4.2 in) also over 11 days, and humidity rises to 76%. This comparison highlights a transition into spring, with warmer temperatures and slightly increased rainfall. For more detailed information, check out Naha weather in March.
In January, the weather experiences mild temperatures with a minimum of 12°C (54°F) and an average of 19°C (66°F), while reaching a maximum of 24°C (75°F). The month sees a total precipitation of 91 mm (3.6 in) over 11 days, accompanied by a humidity level of 71%. In contrast, April ushers in slightly warmer conditions, with minimum temperatures at 15°C (60°F) and an average of 21°C (71°F), peaking at 26°C (79°F). However, it also brings increased rainfall, totaling 137 mm (5.4 in) over the same number of days, along with a higher humidity of 82%. For more detailed insights into April weather, visit Naha weather in April.
January and May present notably different weather patterns. In January, temperatures range from a mild minimum of 12°C (54°F) to a maximum of 24°C (75°F), with an average of 19°C (66°F). The month sees about 91 mm (3.6 in) of precipitation over approximately 11 days, coupled with a humidity level of 71%. In contrast, May experiences warmer temperatures, with a minimum of 19°C (67°F) and a maximum of 27°C (82°F), resulting in an average temperature of 24°C (76°F). However, it is also a rainier month, receiving 208 mm (8.2 in) of precipitation across 12 days, along with increased humidity at 84%. For more detailed insights, you can check Naha weather in May.
In January, the weather is generally milder with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 24°C (75°F), and an average of 19°C (66°F). The month experiences moderate rainfall, totaling 91 mm (3.6 in) over 11 days, and humidity levels are around 71%. In contrast, June sees a significant increase in temperature, with lows of 21°C (70°F) and highs reaching up to 29°C (84°F), resulting in an average of 26°C (80°F). This month is considerably wetter, with precipitation amounting to 302 mm (11.9 in) spread over 19 days, and humidity rises to 86%. For a closer look at Naha's weather specifics in June, visit Naha weather in June.
January and July present strikingly different weather patterns. In January, temperatures range from a mild minimum of 12°C (54°F) to a pleasant average of 19°C (66°F), peaking at a maximum of 24°C (75°F). This month experiences 91 mm (3.6 in) of precipitation over 11 days, with humidity levels around 71%. In contrast, July brings warmer conditions with a minimum temperature of 26°C (78°F) and an average of 28°C (83°F), reaching highs of 30°C (87°F). The month sees increased precipitation, totaling 192 mm (7.6 in) over 13 days, along with higher humidity at 86%. For a closer look at July weather specifics, you can visit Naha weather in July.
In January, the weather is milder with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 24°C (75°F), accompanied by moderate humidity at 71%. With an average precipitation of 91 mm (3.6 in) spread over 11 days, the month is relatively dry compared to August. In contrast, August sees a significant rise in temperature, with minimums around 26°C (78°F) and maximums reaching up to 30°C (87°F). This summer month experiences higher humidity at 82% and nearly double the rainfall, totaling 205 mm (8.1 in) over 17 days. For more insights on the weather during this summer month, check out Naha weather in August.
In January, the weather presents a more temperate climate with average temperatures ranging from a low of 12°C (54°F) to a pleasant high of 24°C (75°F). The month receives about 91 mm (3.6 in) of rain over approximately 11 days, contributing to a humidity level of 71%. In contrast, September sees significantly warmer temperatures, with averages between 24°C (75°F) and a peak of 30°C (87°F). This month experiences much higher rainfall, totaling 253 mm (10.0 in) over 19 days, and the humidity rises to 82%. For a deeper look at the weather during September, check out Naha weather in September.
In January, the weather tends to be mild with minimum temperatures around 12°C (54°F) and an average of 19°C (66°F), peaking at a comfortable 24°C (75°F). However, it is a relatively wetter month with 91 mm (3.6 in) of precipitation spread over 11 days and humidity levels at 71%.
In contrast, October brings warmer temperatures, with minimums of 21°C (71°F) and averages reaching 26°C (79°F), peaking at 29°C (84°F). This month also sees increased rainfall, totaling 160 mm (6.3 in) over 13 days, along with higher humidity at 80%. For more details about how the weather feels in this autumn month, you can visit Naha weather in October.
In comparing January and November weather, January tends to be cooler with average temperatures ranging from a minimum of 12°C (54°F) to a maximum of 24°C (75°F), while November is warmer, with temperatures displaying a minimum of 19°C (67°F) and reaching up to 27°C (80°F). Additionally, both months see similar precipitation levels, with January receiving 91 mm (3.6 in) and November slightly higher at 103 mm (4.1 in), though both months experience rainfall over 11 days. Humidity levels are also higher in November at 79%, compared to January's 71%. For more details on November weather specifically, you can check out Naha weather in November.
In comparing the weather of January and December, January tends to be slightly cooler, with average temperatures ranging from a minimum of 12°C (54°F) to a maximum of 24°C (75°F), compared to December's milder range with a minimum of 14°C (58°F) and a maximum of 25°C (78°F). Additionally, January experiences less precipitation, with 91 mm (3.6 in) falling over 11 days, while December sees significantly more rainfall at 188 mm (7.4 in) spread across 16 days. Humidity levels are also slightly lower in January at 71%, compared to December's 75%. For more detailed information, you can check out the Naha weather in December.
In January, Naha's weather presents a delightful contrast to the warmer months, with mild temperatures that typically range from a comfortable 12°C to 24°C (54°F to 75°F). This month marks a period of refreshing respite, as average temperatures hover around 19°C (66°F), making it ideal for outdoor activities without the extreme heat of summer. While January does experience a fair amount of rainfall, totaling 91 mm over approximately 11 days, the humidity remains relatively moderate at 71%, creating a pleasant atmosphere. For those seeking a tranquil experience in Naha, January is an excellent choice, offering cool breezes and a unique charm that sets it apart from the bustling, warmer months. To learn more about the climate throughout the year, visit Naha Climate.