Last updated: August 21, 2025
In Ishinomaki, Japan, December brings a mix of chilly temperatures and moderate precipitation. The maximum temperature hovers around 16°C (60°F), while the average sits at a cool 5°C (41°F), dipping to a brisk minimum of -3°C (28°F). Rainfall is a regular occurrence this month, with a total precipitation of 57 mm (2.3 in) spread over 11 days, contributing to a heightened humidity level of 80%. This combination of weather conditions paints a typical winter scene, where residents and visitors alike should prepare for both warmth indoors and crisp air outside.
In Ishinomaki, Japan, December marks a distinct shift as temperatures gradually descend into the chill of winter. With average temperatures hovering around 5°C (41°F), residents experience a more pronounced cold compared to the milder months preceding it. The minimum temperature dips to -3°C (28°F), while the maximum achieves a modest 16°C (60°F). This trend signals the transition from the crisp autumn days of November, which felt slightly warmer, to the frosty embrace of January. As December unfolds, the city’s landscape takes on a serene winter aura, inviting locals and visitors alike to embrace the season's charm amidst cooler temperatures.
In Ishinomaki, Japan, December brings a notable shift in precipitation patterns, with 57 mm (2.3 in) of rainfall over 11 days. While this amount is moderate compared to the torrential downpours of summer—where July and August reach peaks of 177 mm and 168 mm respectively—it marks a significant increase from the drier conditions of November, which recorded only 37 mm (1.5 in) across just 7 days. The steady rainfall in December not only contributes to the winter’s chill but also helps to sustain the region's lush landscapes, providing essential moisture as the year draws to a close.
In December, Ishinomaki experiences a humidity level of 80%, maintaining a consistent atmospheric moisture that typifies the onset of winter. This month reflects a slight uptick from November's 79%, hinting at the lingering dampness from the fall season. Observing the trend throughout the year reveals a notable spike in humidity during the summer, with values soaring to 92% in July and August. As the seasons transition, humidity gradually decreases, reaching its lowest point in April at 75%. This cyclical pattern highlights not only the region's seasonal shifts but also the remarkable return to higher humidity levels as winter approaches, creating a unique climate that influences both the landscape and local lifestyle in Ishinomaki.
As December rolls into Ishinomaki, Japan, the UV Index dips back down to a moderate 3, making it a more forgiving month for sun exposure, with a burn time of 30 minutes. This follows a summer peak with extreme levels in July (UV Index 11) and high readings from March through September, where the risk of sunburn was considerably elevated. The trends show a gradual decrease in UV intensity as the year winds down, reflecting a shift from the intense summer sun to the more temperate winter months. For those planning outdoor activities, it's a perfect time to enjoy the crisp air while being mindful of UV exposure. To learn more about monthly UV levels and stay protected, check Ishinomaki UV Index.
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In Ishinomaki, December brings a gentle embrace of sunshine, totaling 213 hours this month. As the year winds down, daylight begins to fade compared to the vibrant spring and summer months, which peak around May with 287 hours of radiant sunshine. A gradual decline is noticeable from the summer’s height, yet December still offers a pleasant glow, maintaining a consistent atmosphere as families prepare for the winter holidays. This trend of declining sunlight is mirrored in the preceding months, with November slightly brighter at 222 hours, signaling the transition into shorter days ahead. As residents of Ishinomaki welcome December's light, the warmth of the sun still lingers, hinting at the hope of brighter days in the year to come.
In Ishinomaki, Japan, December experiences a moderate 45% chance of sunny weather, marking a slight decline from the preceding month, which boasts a robust 60% likelihood of sunshine. As the year winds down, the likelihood of clear skies dips lower than some earlier months, such as February, which shines brightly at 60%. The pattern reveals a tendency towards more overcast days in the winter months, especially in comparison to the sunnier spells of late winter and early spring. However, with December still holding steadier than the summer months like July and August, there is still a reasonable chance for sun, allowing residents and visitors alike to enjoy occasional breaks of brightness amid the chill of winter.
In Ishinomaki, Japan, the daylight duration exhibits a distinct seasonal rhythm throughout the year. Starting at 9 hours in January, the days gradually lengthen, peaking at 14 hours during the vibrant months of May, June, and July—a period marked by the lushness of summer. As the year progresses into late summer and autumn, daylight begins to dwindle, settling back at 10 hours in November before returning to 9 hours in December. This cyclical pattern highlights the connection between seasonal changes and the available daylight, providing a captivating glimpse into Ishinomaki's natural rhythm as it transitions from the longer days of summer back to the serene, shorter light of winter.
As December settles in Ishinomaki, the wind begins to pick up, averaging 4.6 m/s (10 mph), a noticeable increase from the calmer summer months. This winter gustiness marks a shift from the gentle breezes of July and August, which saw the lowest averages at 3.1 m/s (7 mph). As autumn transitions into winter, the wind speed fluctuates slightly but generally maintains a steady range, reflecting the area's climatic patterns. Notably, the winds peak again in early spring, suggesting a cycle of brisk breezes that are characteristic of the changing seasons, inviting both locals and visitors to brace for the refreshing chill of December's arrival.
Weather in Ishinomaki varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Ishinomaki, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, temperatures range from a low of -3°C (28°F) to a high of 16°C (60°F), with an average temperature of 5°C (41°F). The month experiences about 57 mm (2.3 in) of precipitation over 11 days, with humidity levels consistently around 80%. In contrast, January sees slightly cooler temperatures, with a minimum of -5°C (22°F) and a maximum of 12°C (54°F), averaging at 3°C (37°F). Precipitation decreases to 46 mm (1.8 in) over 8 days, while humidity remains stable at 80%. For more detailed information, you can check Ishinomaki weather in January.
December and February exhibit distinct differences in weather characteristics. December typically sees milder temperatures, with a minimum of -3°C and an average of 5°C, while February is slightly colder, reaching a minimum of -5°C and averaging 3°C. Precipitation is more prevalent in December, with 57 mm recorded over 11 days, compared to 41 mm over 8 days in February. Humidity levels are relatively similar, at 80% for December and 79% for February, contributing to a generally damp atmosphere during both months. For more detailed insights into February weather, you can check Ishinomaki weather in February.
In December, the weather is characterized by a temperature range from a chilly -3°C to a mild 16°C, with an average of around 5°C. The month receives about 57 mm of precipitation over 11 days, accompanied by high humidity at 80%. In contrast, March experiences slightly warmer conditions, with temperatures ranging from -2°C to 20°C and an average of 7°C. Although March has more precipitation, totaling 104 mm over 10 days, the humidity dips slightly to 77%. Overall, March generally feels more spring-like, while December is distinctly wintery. For more detailed information, check Ishinomaki weather in March.
December weather features a chilly range with minimum temperatures dropping to -3°C (28°F) and a maximum of 16°C (60°F), resulting in a cool average of 5°C (41°F). The month experiences moderate precipitation of 57 mm (2.3 in) over 11 days, accompanied by high humidity levels at 80%. In contrast, April brings a more temperate climate, with minimum temperatures rising to 1°C (34°F) and maximums reaching a pleasant 23°C (73°F). The average temperature in April is a milder 10°C (51°F), and precipitation increases to 105 mm (4.1 in) over the same number of rainy days, though humidity levels decrease slightly to 75%. For more detailed information, you can check Ishinomaki weather in April.
In December, the weather presents a cool atmosphere, with temperatures ranging from a chilly min of -3°C (28°F) to a mild max of 16°C (60°F). The month is characterized by an average temperature of 5°C (41°F) and experiences about 57 mm (2.3 in) of precipitation over 11 days, accompanied by high humidity at 80%.
In contrast, May warms up significantly, with temperatures starting from a comfortable minimum of 7°C (45°F) and reaching a pleasant maximum of 27°C (80°F). The average temperature rises to 16°C (60°F), and precipitation increases to 97 mm (3.8 in), also over 11 days, while maintaining the same humidity level of 80%. For a closer look at May weather conditions, you can check Ishinomaki weather in May.
When comparing the weather in December and June, notable differences emerge. December experiences cooler temperatures, with a minimum of -3°C (28°F) and an average of 5°C (41°F), while June sees much milder conditions, with a minimum of 12°C (54°F) and an average of 19°C (66°F). Additionally, June has a maximum temperature reaching up to 27°C (81°F), significantly warmer than December's highest of 16°C (60°F). Precipitation levels also vary, with December receiving 57 mm (2.3 in) over 11 days and June seeing a higher total of 90 mm (3.6 in) on the same number of days. The humidity is slightly higher in June at 87%, compared to December's 80%. For more detailed insights about June weather, you can visit Ishinomaki weather in June.
December and July present stark contrasts in weather conditions. In December, temperatures range from a chilly -3°C (28°F) at night to a mild 16°C (60°F) during the day, with an average of 5°C (41°F). This month sees around 57 mm (2.3 in) of precipitation over 11 days, coupled with a humidity level of 80%. In contrast, July boasts much warmer temperatures, with nighttime lows of 16°C (62°F) and daytime highs reaching a scorching 32°C (90°F), averaging 23°C (74°F). Rainfall is significantly higher in July, totaling 177 mm (7.0 in) spread across 16 days, with humidity peaking at 92%. These differences highlight the seasonal transition from the cool, damp days of December to the hot and humid conditions typical of July. For a closer look at July weather specifics, you can check Ishinomaki weather in July.
December and August present contrasting weather conditions. In December, temperatures are notably chilly, with a minimum of -3°C (28°F) and an average of 5°C (41°F), while August offers a warm environment with minimums around 16°C (62°F) and average highs of 25°C (77°F). Precipitation levels also differ significantly; December experiences 57 mm (2.3 in) over 11 days, whereas August sees a much wetter season with 168 mm (6.6 in) across 17 days. Additionally, humidity levels are higher in August at 92%, compared to December's 80%, making the summer month feel muggier. For more specific details, you can check Ishinomaki weather in August.
In comparing the weather of December and September, notable differences emerge. December experiences much lower temperatures, with a minimum of -3°C (28°F) and an average of 5°C (41°F), compared to September's warmer range of 12°C (54°F) to an average of 22°C (71°F). Precipitation is more significant in September, totaling 123 mm (4.9 in) over 13 days, while December sees less precipitation at 57 mm (2.3 in) across 11 days. Additionally, humidity levels are slightly higher in September at 86%, versus December's 80%. For more detailed information on September weather specific to Ishinomaki, you can check Ishinomaki weather in September.
In comparing the weather of December and October, it's clear that December experiences significantly cooler temperatures, with averages around 5°C (41°F) compared to October's milder average of 17°C (62°F). While December has a maximum temperature of 16°C (60°F), October reaches as high as 26°C (79°F). Precipitation is notably higher in October, totaling 192 mm (7.6 in) over the same 11 days as December's 57 mm (2.3 in), indicating a wetter month. Both months share similar humidity levels, hovering around 80% in December and slightly higher at 82% in October. For more details, you can visit Ishinomaki weather in October.
In December, temperatures tend to drop with a minimum of -3°C (28°F) and a maximum of 16°C (60°F), resulting in an average of 5°C (41°F). In contrast, November is milder, showcasing a minimum of -1°C (31°F) and a maximum of 19°C (67°F), leading to a higher average of 11°C (52°F). Precipitation also increases in December, totaling 57 mm (2.3 in) over 11 days, compared to November's 37 mm (1.5 in) across just 7 days. Humidity remains similar in both months, with December at 80% and November slightly lower at 79%. For a closer look at November's weather, you can visit Ishinomaki weather in November.
As December unfolds in Ishinomaki, the weather transitions to a cooler climate, offering a distinct contrast to the warmer months. With average temperatures hovering around 5°C (41°F), it’s a time when winter starts to take hold, resulting in chilly days and frigid nights. The month also sees heightened humidity levels at 80%, coupled with 57 mm of precipitation spread across 11 days, making it one of the wetter months of the year. While the festivities of the season may warm the spirit, dress warmly and prepare for sporadic rain as you explore this charming coastal town. For a deeper understanding of how Ishinomaki's weather plays out throughout the year, check out Ishinomaki Climate.