Last updated: August 21, 2025
In Sitamarhi, India, December brings a delightful mix of mild temperatures and refreshing humidity. The maximum temperature reaches a pleasant 30°C (87°F), while the average hovers around 17°C (63°F), making it an ideal time for outdoor activities. Nights cool down to a minimum of 5°C (42°F), perfect for cozy evenings. Interestingly, this month experiences no precipitation, with only 15 mm (0.6 in) of rain expected throughout. With a humidity level of 71%, the air remains crisp yet comfortable, inviting residents and visitors alike to enjoy the charm of December in Sitamarhi.
In Sitamarhi, India, December marks a transition to cooler temperatures, as the city experiences a notable drop compared to the preceding months. With minimums dipping to around 5°C (42°F) and average temperatures settling at 17°C (63°F), the weather offers a refreshing respite from the sweltering heat of summer. Daytime highs can reach up to 30°C (87°F), providing a pleasant balance for outdoor activities. As the month progresses, these temperatures hint at the approach of winter, setting the stage for the cooler months ahead. Overall, December in Sitamarhi is characterized by a crisp and inviting climate, perfect for exploring the region’s vibrant culture and stunning landscapes.
In December, Sitamarhi experiences a notable shift in precipitation patterns, characterized by a modest 15 mm (0.6 in) of rain falling over the month, though interestingly, this is the first time since July that the area has seen any recorded rainfall. In stark contrast to the preceding months, particularly the monsoon season which brought heavy downpours like 458 mm (18.0 in) in July and 220 mm (8.7 in) in June, December's precipitation is markedly lower. This drop signifies the end of the wetter months, with Sitamarhi transitioning into the drier winter season. Notably, December recorded no precipitation days, highlighting the rarity of rain during this time, as the region settles into cooler temperatures and clearer skies. The cumulative data presents a clear trend of significant rainfall fluctuations throughout the year, culminating in a dry December that signals the end of the monsoon cycle.
In Sitamarhi, India, December brings a notable shift in humidity, averaging 71%. As the year progresses, humidity levels react dramatically to the changing seasons. Starting the year with a moderate 58% in January, levels gradually decrease to a low of 25% in April, coinciding with the dry heat of late spring. However, as the monsoon approaches in June, the air becomes thick with moisture, peaking at a staggering 92% during the rainy months of July to September. Following the monsoon's retreat, humidity begins to decline again, yet December remains significantly high when compared to the drier months, indicating a transitional phase as winter begins to take hold. This fluctuating pattern underscores the region's distinct climatic shifts, where the air is laden with moisture before the dry season reestablishes itself in the coming months.
As the year winds down, December in Sitamarhi, India brings a noticeable shift in the UV Index, dropping back to a moderate 5. After several months of extremely high levels, where the sun's intensity could lead to burns in as little as 10 minutes, residents can finally enjoy a reprieve with a safer 30-minute burn time. This seasonal trend highlights the importance of sun protection during the hotter months, especially from July to October, when the UV Index peaked at an alarming 13. As winter approaches, the milder UV levels offer a comforting reminder that even in sunlit spaces, awareness of UV exposure is essential year-round. For more detailed insights into the UV Index throughout the year, visit Sitamarhi UV Index.
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As December unfolds in Sitamarhi, the region experiences a gentle decline in sunshine hours, with 277 hours of radiant daylight gracing its skies. This month, while slightly lower than the sun-drenched November, reflects a consistent trend seen throughout the year where the sun shines magnificently during the warmer months of April to May, peaking at an impressive 350 hours. As the calendar year wanes, Sitamarhi bids farewell to longer daylight hours, yet December still offers a bright and cheerful atmosphere, echoing the region's seasonal rhythm. The gradual shift from vibrant sunshine to cooler days characterizes the charm of this period, inviting locals and visitors alike to enjoy the warmth of both the sun and the festive spirit.
In Sitamarhi, India, December presents a moderately sunny outlook, with a 73% chance of sun. This statistic aligns closely with the preceding month of November, which enjoys a slightly higher likelihood of sunny days at 78%. As the year progresses, the data highlights a clear transition from the intense rainy season—notably seen in July and August with their mere 10% and 6% chances of sunshine—towards brighter days in the months leading into winter. Overall, while December may not boast the highest probability of sun compared to the summer months, it remains a favorable time for enjoying sunshine as the days grow cooler.
In Sitamarhi, India, the daylight duration exhibits a clear seasonal rhythm throughout the year. As we transition from January to May, the days gradually elongate, peaking at a generous 13 hours of sunlight from May to August. This vibrant stretch showcases the Sun's strength, fostering a lively atmosphere. However, as summer wanes and September rolls in, daylight begins to taper off, descending back to 10 hours by December. This cyclical pattern reflects the natural ebb and flow of light, inviting residents and visitors alike to embrace each season's unique charm.
As December unfolds in Sitamarhi, the average wind speed settles at 2.1 m/s (5 mph), offering a gentle breeze that marks a transition from the strenuous gusts of summer. The wind speeds gradually rise through the months, peaking in May and June at 3.0 m/s (7 mph), before a slight decline in the latter half of the year. Notably, December's winds mirror October's calmness, yet they still hint at an early winter chill, contrasting with November's notably lighter breezes of 1.6 m/s (4 mph). This subtle uptick in wind speed as the year comes to a close invites a refreshing change, promising a serene atmosphere perfect for outdoor strolls amid the vibrant landscapes of Sitamarhi.
Weather in Sitamarhi varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Sitamarhi, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather is generally warmer with temperatures ranging from a minimum of 5°C (42°F) to a maximum of 30°C (87°F), and an average of 17°C (63°F). The month experiences minimal precipitation, with 15 mm (0.6 in) and no rainy days, coupled with a humidity level of 71%. In contrast, January sees a slight dip in temperature, with the minimum rising to 6°C (43°F) and the maximum slightly lower at 29°C (85°F), while the average temperature is around 15°C (60°F). This month brings only 9 mm (0.4 in) of precipitation over just one rainy day and a decrease in humidity to 58%. For a detailed look at the specifics of January weather in the region, Sitamarhi weather in January provides comprehensive insights.
In December, the weather is characterized by milder temperatures, with a minimum of 5°C (42°F) and an average of 17°C (63°F). The maximum temperature can reach up to 30°C (87°F), all while experiencing minimal precipitation at 15 mm (0.6 in) over zero rainy days and a higher humidity of 71%. In contrast, February sees slightly warmer temperatures, with a minimum of 7°C (45°F) and an average of 19°C (67°F), peaking at 32°C (91°F). Precipitation increases to 18 mm (0.7 in) distributed over two days, and humidity drops significantly to 53%. For a more detailed look at February weather patterns, you can check Sitamarhi weather in February.
In December, the weather features a wide range of temperatures, with minimums around 5°C (42°F), averaging 17°C (63°F), and maximums reaching up to 30°C (87°F). The month's low precipitation of 15 mm (0.6 in) and high humidity level at 71% contribute to a relatively dry but warm atmosphere. In contrast, March presents a notably warmer climate with minimum temperatures of 9°C (49°F), average temps around 25°C (77°F), and soaring maximums that can reach 38°C (101°F). Although precipitation is slightly higher at 16 mm (0.6 in) over two days, March enjoys significantly lower humidity at 32%, making the heat feel more intense. For more detailed weather information, you can explore Sitamarhi weather in March.
December and April present quite different weather patterns. In December, temperatures range from a mild 5°C (42°F) to an average of 17°C (63°F), with a maximum of 30°C (87°F). The month is dry, with no recorded precipitation and a humidity level of 71%. In contrast, April sees significantly warmer temperatures, with a minimum of 18°C (64°F) and an average high of 29°C (85°F), soaring up to a scorching 42°C (108°F). This month experiences more moisture, with 29 mm (1.1 in) of rainfall spread over six days, resulting in much lower humidity levels at 25%. For more detailed information, check out Sitamarhi weather in April.
December and May present strikingly different weather patterns. In December, temperatures range from a mild minimum of 5°C (42°F) to a comfortable average of 17°C (63°F), peaking at 30°C (87°F). The month typically experiences little to no rainfall, with a mere 15 mm (0.6 in) of precipitation over zero days, contributing to a relatively high humidity level of 71%. In contrast, May is notably warmer, featuring a minimum temperature of 20°C (69°F) and an average temperature of 30°C (86°F), soaring to highs of 42°C (108°F). However, May also brings significant rainfall, with 123 mm (4.9 in) spread over 13 rainy days, resulting in a lower humidity of 46%. This stark contrast highlights the shift from the cooler, drier December to the hot and wet conditions of May. For more details, you can explore Sitamarhi weather in May.
When comparing the weather in December and June, it's evident that the two months present a stark contrast. December experiences milder temperatures, with a minimum of 5°C (42°F) and a comfortable average of 17°C (63°F), peaking at 30°C (87°F). Additionally, it is relatively dry, with only 15 mm (0.6 in) of precipitation over the month and no rainy days, coupled with a humidity level of 71%. In contrast, June is notably hotter, showcasing a minimum temperature of 24°C (75°F) and an average of 31°C (88°F), reaching maximums of 43°C (110°F). June is also characterized by significant rainfall, with 220 mm (8.7 in) of precipitation spread across 18 rainy days and a slightly higher humidity of 77%. For more detailed insights about June weather, you can visit Sitamarhi weather in June.
When comparing the weather in December and July, the stark differences are evident. December features milder temperatures, with a minimum of 5°C (42°F) and a pleasant average of 17°C (63°F), peaking at a maximum of 30°C (87°F). It also boasts minimal precipitation, with just 15 mm (0.6 in) across the month and humidity around 71%. In contrast, July sees significantly warmer temperatures, starting at a minimum of 25°C (77°F) and averaging 30°C (86°F), with highs reaching up to 39°C (102°F). This month is characterized by heavy rainfall, totaling 458 mm (18.0 in) over 29 days, and an elevated humidity level of 92%. For more information on the weather specifics during this month, you can explore Sitamarhi weather in July.
In December, the weather is considerably milder, with temperatures ranging from a minimum of 5°C (42°F) to a maximum of 30°C (87°F), and the average temperature resting at a comfortable 17°C (63°F). This month experiences minimal precipitation, with just 15 mm (0.6 in) of rain and 0 rainy days, while humidity stands at 71%. In contrast, August brings much more intense heat, with temperatures ranging from a minimum of 26°C (78°F) to a scorching maximum of 38°C (100°F), and an average temperature of 30°C (86°F). This month is characterized by high humidity at 92% and significant rainfall, totaling 347 mm (13.7 in) over 28 rainy days. For a detailed look at the conditions in August, check the following link: Sitamarhi weather in August.
When comparing the weather of December and September, a stark contrast emerges. December experiences milder temperatures, ranging from a minimum of 5°C (42°F) to a maximum of 30°C (87°F), with an average of 17°C (63°F) and virtually no precipitation, boasting only 15 mm over zero rainy days and a humidity level of 71%. In contrast, September is significantly warmer with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 37°C (99°F) and an average of 29°C (85°F). The month is also characterized by heavy rainfall, accumulating 282 mm over 24 rainy days and high humidity at 92%. For more detailed insights into September weather, you can visit Sitamarhi weather in September.
In comparing the weather of December and October, it's clear that December is significantly cooler, with temperatures ranging from a minimum of 5°C (42°F) to a maximum of 30°C (87°F) and an average of 17°C (63°F). In contrast, October is warmer, featuring minimum temperatures of 17°C (62°F), average temperatures of 27°C (81°F), and maximums reaching up to 37°C (99°F). Additionally, October experiences much higher precipitation, totaling 85 mm (3.4 in) over 7 days, while December is relatively dry with only 15 mm (0.6 in) of precipitation over no rainy days. The humidity levels are also notably higher in October at 87% compared to December's 71%. For more details, you can refer to Sitamarhi weather in October.
In December, the weather shows a noticeable drop in temperatures compared to November, with minimums of 5°C (42°F) compared to November's warmer minimum of 12°C (53°F). The average temperature in December is 17°C (63°F), which is significantly lower than November's average of 22°C (72°F). Although December experiences low humidity at 71%, compared to the higher 76% in November, the overall precipitation remains minimal in both months. December sees no precipitation days as well, just like November, which is well documented here: Sitamarhi weather in November. Overall, December offers cooler, drier conditions than the warmer and somewhat more humid November.
As December unfolds in Sitamarhi, the weather transitions into a milder and more refreshing phase compared to the sweltering months that precede it. With temperatures averaging around 17°C (63°F), the days are pleasantly cool, making outdoor activities enjoyable without the oppressive heat. Notably, December boasts an impressive record of zero precipitation days, resulting in crisp, dry air complemented by a humidity level of 71% that adds a touch of coolness to the atmosphere. This month stands out as a refreshing break from the warmer climates, inviting residents and visitors alike to revel in its comfortable embrace. For more insights on weather patterns throughout the year, explore Sitamarhi Climate.