Last updated: August 31, 2025
January in Biratnagar, Nepal is characterized by mild temperatures and low precipitation, making it a pleasant winter month. The maximum temperature typically reaches around 29°C (85°F), while the average hovers at 16°C (61°F), providing a comfortable climate for outdoor activities. Nights can be cooler, with a minimum of 6°C (44°F), so it's wise to dress in layers. The month sees minimal rainfall, accumulating just 4 mm (0.2 in) over a single day, and the relative humidity stays around 58%, lending to a crisp and refreshing atmosphere. This combination of weather elements creates an ideal backdrop for experiencing the vibrant culture and stunning landscapes of Biratnagar during January.
In Biratnagar, Nepal, January brings a pleasant cooling that sets the stage for the winter months. With temperatures ranging from a minimum of 6°C (44°F) to a comfortable average of 16°C (61°F), the city experiences a refreshing chill, while daytime highs can soar up to 29°C (85°F). This gradual transition marks the beginning of warmer months, evident as February sees an uptick in temperatures, reaching an average of 19°C (67°F). As the seasons progress towards April and May, the mercury continues to rise significantly, peaking at 41°C (106°F) in April, transitioning from the crispness of winter to the sultry warmth of summer. This consistent trend of increasing warmth paints a vivid picture of Biratnagar's climatic rhythm, showcasing a landscape that shifts from refreshing coolness to sizzling heat in just a few months.
In January, Biratnagar experiences minimal precipitation, with only 4 mm (0.2 in) falling over just one day. This dry spell marks the beginning of a gradual increase in rainfall as the year progresses. By February, precipitation rises slightly to 19 mm (0.7 in), setting the stage for the wetter months ahead. As spring approaches, precipitation peaks in June and July, where it dramatically escalates to 308 mm (12.1 in) and 440 mm (17.3 in), respectively, showcasing the region's monsoon dynamics. The transition from the near-dry January to the torrential rains of mid-year vividly illustrates the shift from winter's calm to the vibrant, moisture-rich months, culminating in a distinctive climatic rhythm characteristic of Biratnagar.
In January, Biratnagar experiences a moderate humidity level of 58%, setting a comfortable tone for the month. This figure signifies a gradual decline from the 53% humidity of February, hinting at a transition into the drier spring months ahead, where March dips sharply to just 32%. However, the trend shifts dramatically as the weather warms; by June, humidity soars to 77% and reaches its peak in the monsoon months of July and August at 92%. As the year progresses, humidity begins to recede, with November showing 76% and December slightly lower at 71%, emphasizing a cyclical pattern that underscores Biratnagar's diverse seasonal influences.
In January, Biratnagar, Nepal experiences a moderate UV Index of 5, allowing for a burn time of 30 minutes under the sun. As the month transitions into February, the UV Index rises to 6, categorizing exposure as high, which shortens the burn time to 25 minutes. This upward trend continues sharply into March and April, where the UV Index reaches 8 and 9, both classified as very high, reducing suitable exposure to just 15 minutes. The peak occurs in May and June, escalating to an extreme UV Index of 10 and 11, with an alarmingly brief burn time of only 10 minutes. The intensity remains high through the summer months of July and August, further emphasizing the need for sun protection as values hover around 12 and 13. As September rolls in, the UV Index slightly tapers to 12, but remains in the extreme category until October, when it drops back to 9 as the season shifts. By November and December, conditions become more manageable, with UV Index values returning to moderate levels of 7 and 5 respectively. For complete information on UV exposures throughout the year, check out Biratnagar UV Index.
UV Risk Categories
In Biratnagar, Nepal, January greets the year with 237 hours of sunshine, setting a vibrant tone for the months ahead. As winter transitions to spring, sunshine hours steadily increase, peaking in May with 339 hours, offering a warm embrace before the monsoon season. The trend shows a gradual rise in sunlight from February onward, reaching its zenith in late spring, while the summer months of June and July witness a slight dip. However, the comfort of shorter days in August and September still provides ample sunshine, with October bouncing back to a robust 303 hours. The year wraps up with consistent sunlight throughout the fall, making Biratnagar not just a place of beautiful landscapes, but a haven for sun-seekers throughout the changing seasons.
In Biratnagar, Nepal, January enjoys a promising 77% chance of sunny weather, making it a delightful start to the year. This sunny outlook is part of an impressive trend, as the region experiences its peak sunshine in the early months, with February reaching 87% and March maintaining a strong 85%. While the sun continues to shine through April, with yet another 77%, the arrival of the monsoon brings a stark shift—sunshine chances plummet to 38% in May and drop dramatically during the summer months. Comparatively, October witnesses a modest recovery to 64%, while November and December see figures of 85% and 75%, respectively. This fluctuation highlights January as an optimal time for enjoying Biratnagar’s radiant weather before the clouds of the monsoon season set in.
In Biratnagar, Nepal, the daylight duration showcases a fascinating rhythm throughout the year, with January serving as a springboard into a gradual increase in daylight. Kicking off with 10 hours of sunlight, the month paves the way for February's transition to 11 hours, marking the onset of longer days. As spring unfolds in March and April, daylight peaks at a delightful 12 hours, fostering a sense of rejuvenation. The trend continues into May, when the hours extend to 13, remaining steady through the summer months of June, July, and August, creating ideal conditions for outdoor activities. As autumn approaches, daylight gradually recedes, starting with 12 hours in September and tapering back down to 10 hours by December. This cyclical pattern highlights the changing seasons, inviting residents to enjoy the fullness of sunlight during the warmer months before retreating into the shorter days of winter.
In January, Biratnagar, Nepal, experiences a gentle breeze with an average wind speed of 1.6 m/s (4 mph), setting a calm tone for the month. This slight increase from December hints at the gradual warming as the seasons shift. As February unfolds, the wind picks up marginally to 1.7 m/s, maintaining a leisurely pace that stays consistent throughout the early months of the year. While March sees a noticeable rise to 2.4 m/s, the subsequent months bring fluctuations, reaching a peak of 2.9 m/s in June before tapering off again. The trend showcases a seasonal rhythm, with January providing a tranquil start, contrasted by the livelier gusts of spring and summer, only to mellow out as the year draws to a close.
Weather in Biratnagar varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Biratnagar, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between January and February, we see a noticeable increase in average temperatures. January features a minimum temperature of 6°C (44°F) and an average of 16°C (61°F), with a maximum reaching 29°C (85°F). Precipitation is minimal, at just 4 mm (0.2 in) over a single day, accompanied by a humidity level of 58%.
Conversely, February offers slightly warmer temperatures, with a minimum of 8°C (46°F) and an average of 19°C (67°F), peaking at 31°C (88°F). However, it also brings more rainfall, totaling 19 mm (0.7 in) over the same one day, while humidity decreases to 53%. For more detailed insights, you can check Biratnagar weather in February.
In January, the weather is relatively mild with temperatures ranging from a minimum of 6°C (44°F) to a maximum of 29°C (85°F), accompanied by low precipitation of just 4 mm (0.2 in) over one day and a humidity level of 58%. In contrast, March brings noticeably warmer conditions, with temperatures soaring from a minimum of 11°C (51°F) to a scorching maximum of 37°C (99°F). The month experiences more rainfall as well, totaling 17 mm (0.7 in) over three days, while humidity drops significantly to 32%. For more detailed insights into March's weather, check out Biratnagar weather in March.
January weather in Biratnagar is generally mild, with temperatures ranging from a minimum of 6°C (44°F) to a maximum of 29°C (85°F). With an average temperature of 16°C (61°F) and only 4 mm of precipitation over just 1 day, it maintains a relatively comfortable humidity level of 58%. In contrast, April brings significantly warmer temperatures, with a minimum of 17°C (62°F) and soaring highs of 41°C (106°F). The average temperature rises to 28°C (83°F), but this month experiences much higher rainfall at 48 mm over 8 days, accompanied by lower humidity at 25%. For more detailed insights, you can visit Biratnagar weather in April.
In January, the weather in Biratnagar is relatively mild, with temperatures ranging from a minimum of 6°C (44°F) to a maximum of 29°C (85°F) and an average of 16°C (61°F). This month experiences minimal rainfall, averaging only 4 mm (0.2 in) over just one day, resulting in a humidity level of 58%. In contrast, May brings a significant shift in climate, with temperatures soaring from a minimum of 21°C (70°F) to a scorching maximum of 40°C (104°F), and an average of 29°C (84°F). This month is characterized by heavy rainfall, with totals reaching 110 mm (4.3 in) over 19 days and a drop in humidity to 46%. For more detailed information, you can visit Biratnagar weather in May.
The weather in January and June presents a striking contrast. January experiences milder temperatures, with average highs of 29°C (85°F) and lows around 6°C (44°F), accompanied by minimal precipitation of only 4 mm over just one day. In contrast, June is much warmer, with averages reaching 30°C (86°F) and maximum temperatures soaring up to 38°C (102°F). Additionally, June sees a significant increase in rainfall, totaling 308 mm (12.1 in) over 26 days, and higher humidity levels at 77%. For more details on June weather in Biratnagar, you can check Biratnagar weather in June.
January and July present striking contrasts in weather. In January, temperatures range from a mild 6°C (44°F) at night to a warm 29°C (85°F) during the day, with low precipitation of just 4 mm (0.2 in) over about a day, and a moderate humidity level of 58%. In contrast, July experiences significantly higher temperatures, with minimums of 24°C (75°F) and maximums reaching up to 38°C (100°F). However, it also brings considerable rainfall, with an average of 440 mm (17.3 in) spread over 29 days, accompanied by a high humidity of 92%. For more details about the July weather, you can visit Biratnagar weather in July.
January and August present stark contrasts in weather. In January, temperatures range from a mild 6°C (44°F) at night to a comfortable maximum of 29°C (85°F) during the day, accompanied by low precipitation of just 4 mm (0.2 in) over a single day, and moderate humidity at 58%. In contrast, August brings significantly warmer conditions, with minimum temperatures starting at 25°C (77°F) and soaring to a maximum of 38°C (101°F). The month is characterized by heavy rainfall, totaling 367 mm (14.4 in) spread across 29 days, and high humidity levels shooting up to 92%. Such differences highlight the transition from the relatively dry and mild January to the hot and wet August. For more insights, visit Biratnagar weather in August.
In January, the weather is relatively mild with temperatures ranging from a minimum of 6°C (44°F) to a maximum of 29°C (85°F), accompanied by low precipitation of only 4 mm (0.2 in) over one day and moderate humidity at 58%. In stark contrast, September experiences much warmer temperatures, with a minimum of 22°C (73°F) and a scorching maximum of 37°C (98°F). Additionally, September sees significant rainfall, totaling 255 mm (10.1 in) across 25 days, and high humidity levels of 92%. For more detailed information on the weather conditions during this month, you can visit Biratnagar weather in September.
In January, temperatures in Biratnagar range from a cool minimum of 6°C (44°F) to a warm maximum of 29°C (85°F), with an average of 16°C (61°F). The month experiences low precipitation, with only 4 mm (0.2 in) over a single day and a relatively comfortable humidity of 58%. In contrast, October's weather is noticeably warmer, with temperatures ranging from a minimum of 16°C (61°F) to a scorching maximum of 36°C (98°F), averaging around 27°C (81°F). This month sees significantly higher precipitation, with 83 mm (3.3 in) falling over 9 days, accompanied by increased humidity at 87%. For more detailed weather statistics, you can visit Biratnagar weather in October.
In January, temperatures in Biratnagar range from a minimum of 6°C (44°F) to a maximum of 29°C (85°F), with an average of 16°C (61°F). The month experiences minimal rainfall, with only 4 mm (0.2 inches) of precipitation over just 1 day and humidity levels at 58%. In contrast, November boasts warmer temperatures, with a minimum of 11°C (53°F), an average of 22°C (72°F), and a high of 36°C (96°F). Notably, November records no precipitation and higher humidity at 76%. For more details, visit Biratnagar weather in November.
In January, the weather in Biratnagar experiences a slight dip in temperature compared to December, with average temperatures ranging from a minimum of 6°C (44°F) to a maximum of 29°C (85°F). December, on the other hand, offers slightly warmer conditions with an average minimum of 7°C (44°F) and a maximum of 30°C (87°F). Precipitation is minimal in both months, but January sees a bit more rainfall, averaging 4 mm across just one day, while December enjoys completely dry conditions. Additionally, humidity levels rise in December to 71%, compared to 58% in January, reflecting the cooler and more comfortable climate of the latter month. For detailed insights into December's weather, you can visit Biratnagar weather in December.
As January unfolds in Biratnagar, the weather presents a refreshing contrast to the sweltering summer months. With **temperatures ranging from a comfortable 6°C to a peak of 29°C, this month is marked by a mild climate that is perfect for outdoor activities. Precipitation is minimal, with only a day of rainfall, making it one of the driest months of the year. The humidity level remains at a moderate 58%, providing a pleasant coolness. Overall, January lacks the extreme fluctuations typical of other months, creating a delightful atmosphere ideal for both locals and visitors. For more insights, check out the detailed Biratnagar Climate.