Last updated: August 21, 2025
December in Izumo, Japan offers a refreshing blend of cool temperatures and atmospheric charm. With daytime highs reaching a pleasant 21°C (69°F) and chilling to an average of 7°C (46°F) at night, the month brings a crispness to the air. Frosty mornings can dip to a chilly 0°C (32°F), reminding residents of winter's embrace. Rainfall is common, with 105 mm (4.1 in) of precipitation spread over 18 days, adding a touch of moisture to the landscape. The atmosphere is often humid, with levels soaring to 82%, enhancing the season's mystique. Whether exploring serene temples or enjoying the local cuisine, December in Izumo invites a unique and picturesque winter experience.
In Izumo, Japan, December marks the transition to winter, with temperatures dipping noticeably from the milder conditions of November. The minimum temperature settles around 0°C (32°F), while the average hovers at a crisp 7°C (46°F), providing a refreshing chill in the air. During the day, temperatures can reach up to 21°C (69°F), offering a few warmer moments amidst the cool spell. This month serves as a precursor to the colder January, as the city gradually shifts from the last vestiges of autumn into a more wintery atmosphere. December's temperatures, characterized by their moderate lows and pleasant highs, invite locals and visitors alike to enjoy outdoor festivities while donning their winter gear, making it a unique time to experience Izumo's cultural charm.
December in Izumo, Japan, marks a shift towards increased precipitation, bringing 105 mm (4.1 in) of rain over 18 days. This is a notable rise compared to the drier month of November, which recorded only 53 mm (2.1 in) across 9 days. As the year approaches its end, December’s rainfall contributes to the overall wetter trend observed in the preceding months, particularly during the summer. Interestingly, while December enjoys a higher frequency of rain days, its total precipitation is lower than the peak summer months, emphasizing a transition into a brisk, yet damp winter. This seasonal pattern reflects Izumo's complex climate, where rain becomes a regular companion in the cooling December air.
In December, Izumo, Japan, experiences a humidity level of 82%, maintaining a notable consistency as the year draws to a close. This figure signifies a slight drop from the preceding months, particularly from the peak summer levels of 92% observed in July and August. Throughout the year, humidity trends reveal cycles marked by increased moisture during the summer and a gradual decline as autumn settles in. Particularly, the winter months of January and February also hover around high humidity levels at 82% and 79%, respectively. This tendency towards elevated humidity underscores the region's unique climatic character, providing a crisp yet moist atmosphere as Izumo transitions into the chill of winter.
In December, the UV Index in Izumo, Japan, drops to 3, signaling a moderate level of sun exposure, with a corresponding burn time of 30 minutes. This decline marks a noticeable shift from the extreme levels typically observed during the summer months, which peaked at 12 in July and August. As the year winds down, the trend reflects a decrease in solar intensity, providing a gentler environment for outdoor activities. However, it's still wise for residents and visitors to stay mindful of UV exposure, particularly during sunny days. For more detailed information, visit Izumo UV Index.
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In December, Izumo, Japan, enjoys a noteworthy dip in sunshine, basking in approximately 191 hours of sunlight. This month marks a departure from the blissful clarity of August, which boasts the highest sunshine tally at 304 hours. As the seasons transition, sunlight gradually dwindles from the vibrant 299 hours in May to December’s cooler embrace. The data reflects a harmonious rhythm of changing seasons, with each month showcasing its own unique charm; from the vibrant blooms of spring to the serene, crisp days of winter. While the end of the year may bring fewer sunny days, the charm of December in Izumo lies in its serene ambiance, inviting residents and visitors alike to savor the subdued beauty of winter landscapes.
As December rolls into Izumo, Japan, the likelihood of sunny weather stands at 37%, a modest figure when compared to the more hopeful 49% in October and 44% in November. This trend reflects a gradual decrease in sunshine opportunities as winter approaches, following a peak in fall. While December's chances exceed those of the summer months, which see 25% or less, it's a reminder that clear skies become increasingly rare as the year draws to a close. Overall, December offers a blend of fleeting sunny days amid the chill, making each ray of sunlight all the more precious.
In Izumo, Japan, daylight duration exhibits a clear and predictable rhythm throughout the year. January and February kick off with 10 hours of daylight, maintaining a consistent glow as winter grips the region. As the seasons transition, March welcomes a slight increase to 11 hours, leading into the vibrant April and May, where daylight extends to a generous 13 and 14 hours, respectively. This peak continues through the warmth of June, July, and early August, before gradually tapering off as autumn sets in. By September and October, daylight diminishes to 12 and 11 hours. Finally, December sees the shortest daylight at just 9 hours, marking the close of the year in a serene, twilight embrace. This pattern highlights the delicate dance of light and darkness, reflecting the changes in nature as each month unfolds.
In December, the winds of Izumo, Japan, pick up slightly, reaching an average speed of 4.4 m/s (10 mph), mirroring the gusts seen at the beginning of the year. This increase is part of a notable trend, as the year transitions from the calmer breezes of summer—where wind speeds dip to 2.4 m/s (5 mph) in June—to the more invigorating currents of winter. The months leading up to December show a gradual fluctuation, with November experiencing a rise back to 3.7 m/s (8 mph). This gentle increase culminates in the invigorating winds of late fall and early winter, reminding us of nature's rhythm and the changing seasons in this serene coastal region.
Weather in Izumo varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Izumo, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather tends to be milder, with average temperatures ranging from a minimum of 0°C (32°F) to a maximum of 21°C (69°F), while January sees colder conditions, with temperatures dipping as low as -4°C (24°F) and peaking at only 15°C (59°F). Although both months experience high humidity levels of 82%, December has more precipitation, totaling 105 mm (4.1 in) over 18 days, compared to January's 84 mm (3.3 in) over 14 days. For those interested in a detailed overview of January weather, you can find more information here: Izumo weather in January.
December and February present notable differences in weather conditions. In December, temperatures range from a minimum of 0°C (32°F) to a maximum of 21°C (69°F), with an average of 7°C (46°F). The month experiences substantial rainfall, totaling 105 mm (4.1 in) over 18 days, and humidity levels are quite high at 82%. In contrast, February sees lower temperatures, with a minimum of -8°C (19°F) and an average of 6°C (42°F), peaking at 19°C (67°F). Precipitation is also reduced, amounting to 89 mm (3.5 in) across 14 days, while humidity slightly decreases to 79%. For more detailed insights about February weather in Izumo, you can visit Izumo weather in February.
In December, temperatures range from a chilly 0°C (32°F) to a mild 21°C (69°F), with an average of 7°C (46°F). This month sees significant rainfall, totaling 105 mm (4.1 in) over approximately 18 rainy days and high humidity levels at 82%. In contrast, March presents slightly warmer conditions with a minimum of 1°C (34°F) and an average of 9°C (49°F), yet it shares the same maximum temperature of 21°C (70°F). Precipitation increases to 125 mm (4.9 in) over 13 days, while the humidity drops to a more comfortable 73%. For more details on the weather specifics in March, you can visit Izumo weather in March.
December and April exhibit notably different weather patterns. In December, temperatures range from a chilly minimum of 0°C (32°F) to a moderate maximum of 21°C (69°F), creating an average temperature of 7°C (46°F). This month experiences significant precipitation of 105 mm (4.1 in) spread over 18 days, accompanied by high humidity at 82%. In contrast, April sees a slight increase in minimum temperatures to 2°C (35°F) and a more comfortable average of 13°C (56°F), peaking at 24°C (75°F). While April has a slightly higher total precipitation of 113 mm (4.5 in), it rains on fewer days (10), resulting in a lower humidity level of 74%. For a deeper look at the weather specifics in April, you can check Izumo weather in April.
In December, the weather is notably cooler, with temperatures ranging from a chilly minimum of 0°C (32°F) to a maximum of 21°C (69°F) and an average of 7°C (46°F). This month experiences considerable precipitation, totaling 105 mm (4.1 in) over 18 days, alongside relatively high humidity at 82%. In contrast, May brings milder conditions with minimum temperatures around 8°C (47°F), an average of 18°C (65°F), and a maximum of 27°C (82°F). Despite nearly similar levels of precipitation at 97 mm (3.8 in), May sees significantly less rainfall spread over only 8 days, combined with a slightly higher humidity of 84%. This shift from December's winter chill to May's warmth highlights the transition from a cold, wet season to a pleasant spring. For more information on the May weather specifics, you can check Izumo weather in May.
December and June present contrasting weather patterns, highlighting the seasonal shifts experienced throughout the year. In December, temperatures range from a chilly 0°C (32°F) at night to a mild maximum of 21°C (69°F) during the day, with an average temperature of 7°C (46°F). This month sees about 105 mm (4.1 in) of precipitation over 18 days, accompanied by relatively high humidity levels at 82%. In stark contrast, June boasts much warmer temperatures, with minimums around 13°C (55°F), averages of 22°C (71°F), and highs reaching up to 32°C (90°F). Although it experiences more precipitation, totaling 173 mm (6.8 in) over 13 days, the humidity is slightly higher at 86%. For a more detailed look at the weather in June, you can refer to this link: Izumo weather in June.
December and July present markedly contrasting weather conditions. In December, temperatures range from a chilly 0°C (32°F) at night to a mild 21°C (69°F) during the day, with an average of around 7°C (46°F). The month sees significant precipitation, totaling 105 mm (4.1 in) over 18 days, accompanied by relatively high humidity at 82%.
In comparison, July boasts much warmer temperatures, with nighttime lows of 19°C (67°F) and daytime highs reaching a sweltering 35°C (94°F). The average temperature for the month is around 26°C (79°F). Additionally, July is significantly wetter, with 290 mm (11.4 in) of rainfall also occurring over 18 days, and humidity levels rise to 92%.
For more details on the weather in July, visit Izumo weather in July.
When comparing the weather in December and August, it becomes evident that these two months offer contrasting experiences. December features cooler temperatures, with a minimum of 0°C (32°F) and an average of 7°C (46°F), while August boasts much warmer conditions, including a minimum of 19°C (67°F) and an average of 28°C (82°F). Precipitation levels also differ significantly; December sees 105 mm (4.1 in) of rain over 18 days, whereas August is much wetter, with 252 mm (9.9 in) of rain falling over just 14 days. Additionally, humidity is higher in August at 92%, compared to December's 82%. For a closer look at the conditions you can expect during August, check out Izumo weather in August.
When comparing the weather in December and September, it is clear that September is significantly warmer, with average temperatures ranging from 15°C (59°F) to a maximum of 34°C (93°F), while December experiences much cooler conditions, with a minimum of 0°C (32°F) and an average of 7°C (46°F). Additionally, September has higher humidity levels at 87%, compared to December's 82%. Precipitation is also noteworthy, as September tends to be wetter, receiving 226 mm (8.9 in) over 15 days, whereas December sees 105 mm (4.1 in) spread across 18 days. For more details, you can check out Izumo weather in September.
In comparing the weather of December and October, one can observe a significant drop in temperatures and a shift in precipitation patterns. December experiences cooler temperatures, with a minimum of 0°C (32°F) and an average of 7°C (46°F), while October boasts milder conditions, ranging from a minimum of 9°C (49°F) to an average of 18°C (65°F), peaking at a maximum of 30°C (86°F). Precipitation is more frequent in October, with 150 mm (5.9 in) falling over 12 days, compared to December’s 105 mm (4.1 in) across 18 days. Humidity levels are fairly similar but slightly higher in December at 82% compared to 85% in October. For more detailed insights into October weather, you can refer to Izumo weather in October.
December weather is generally cooler and wetter compared to November. While November experiences milder temperatures with minimums around 4°C (39°F) and maximums reaching 24°C (76°F), December sees temperatures drop, with a minimum of 0°C (32°F) and a maximum of 21°C (69°F). Additionally, December is significantly rainier, receiving 105 mm (4.1 in) of precipitation over 18 days, compared to November's 53 mm (2.1 in) across just 9 days. Humidity levels are slightly lower in November at 84%, while December maintains a higher average of 82%. For more detailed information on November weather, you can check Izumo weather in November.
December in Izumo brings a notable shift in weather compared to previous months, as temperatures begin to dip, introducing a chill that can feel quite brisk. With an average around 7°C (46°F), chilly days become more frequent, and you may even experience the occasional frost as temperatures can drop to zero. This month also sees an increase in precipitation, with roughly half the month marked by rainy days, contributing to a humidity level that hovers around 82%. The combination of cooler air and persistent moisture creates a distinctive seasonal atmosphere, perfect for cozying up indoors or enjoying the serene beauty of Izumo’s landscapes in winter. For more detailed insights, explore Izumo Climate.