Last updated: August 21, 2025
In January, Patna experiences a mild winter, showcasing a maximum temperature of 28°C (82°F) and a comfortable average of 15°C (60°F), with nighttime temperatures dipping to a chilly minimum of 5°C (42°F). The city sees minimal precipitation, totaling just 10 mm (0.4 in) over two days, making it a favorable time for outdoor activities. Humidity levels hover around 72%, adding a touch of moisture to the cool air. January in Patna offers a pleasant climate for locals and visitors alike to enjoy the charm of this vibrant city.
In January, Patna experiences a delightful range of temperatures, with the mercury dipping to a chilly 5°C (42°F) at night and peaking at a comfortable 28°C (82°F) during the day, resulting in an average of 15°C (60°F). This month serves as a gentle transition from the cooler winter months to the warmer days ahead. As February approaches, temperatures start to rise, hinting at the warmer months, with minimums around 8°C (47°F) and maximums reaching 33°C (92°F). This gradual warming trend continues, particularly evident in the rapid increase from March’s mild 11°C (52°F) low to a scorching 39°C (102°F) high in April and May. By the time summer rolls in, temperatures soar to impressive heights, consistently maintaining high averages in the upper 30s to low 40s °C, creating a notable contrast with the brisk chill of January. The stark shift in climate patterns vividly illustrates Patna's seasonal transition, from refreshing winter coolness to the sweltering heat of summer.
In January, Patna experiences a relatively dry start to the year, with a modest precipitation total of 10 mm (0.4 in) spread over just 2 days. This slight rainfall marks the transition from the cooler winter months, setting a tone of gradual shift towards the wetter season ahead. As winter fades and February approaches, precipitation begins to increase, signaling the onset of atmospheric changes. Notably, January’s dryness starkly contrasts with the heavy rains that characterize the monsoon months, especially from June to August, when Patna can receive over 300 mm of rain. This trend highlights the city’s seasonal climate fluctuations, illustrating how the early months of the year serve as a calm prelude to the impending deluges.
In January, Patna experiences a humidity level of 72%, marking the beginning of a noticeable trend where humidity levels fluctuate significantly throughout the year. This month sets the stage for a gradual decline, as February sees humidity drop to 59%, leading into the drier months of March and April where levels dip as low as 29%. However, as summer approaches, humidity begins to rise again, reaching 51% in May. The onset of the monsoon season in June brings a dramatic uptick, with humidity peaking at a staggering 91% in July, and remaining high through the subsequent months of August and September. As the year winds down, humidity levels remain elevated, oscillating between 87% and 90% from October to December. This pattern illustrates Patna's transition from cooler to increasingly muggy conditions, characterizing the diverse climatic experience throughout the year.
In January, Patna experiences a moderate UV Index of 5, indicating a burn time of around 30 minutes for those unprotected by sunscreen. As the season progresses into February, the UV Index rises to 6, shifting to a high exposure category with a reduced burn time of 25 minutes. This upward trend continues through the spring months, with March and April reaching 8 and 10 respectively, both falling into the very high category, slashing burn time to just 15 minutes. By the time summer arrives in July, the UV Index peaks at 12, categorized as extreme, allowing for a mere 10 minutes of safe sun exposure. This intensity persists throughout August and September before dipping slightly in October to 9, and then settling back to a high index in November and a moderate level again by December. This clear progression indicates a dramatic shift in sun strength as the year unfolds, making awareness of UV levels essential. For more detailed insights, check out the Patna UV Index.
UV Risk Categories
In January, Patna basks in 232 hours of sunshine, a refreshing start to the year that hints at the gradual increase in daylight. As the months progress, the city's sun-kissed days grow longer, with February enjoying 281 hours and a promising March welcoming a robust 335 hours. By April and May, warmth envelops the region, peaking at 343 and 355 hours respectively, making it a perfect time for outdoor activities. However, as the monsoon season approaches in June, sunshine dips to 324 hours. The trend continues with July's 268 hours, marking the lowest point of the year, before gradually rising again through the remaining months, culminating in a respectable 299 hours by October. This cycle illustrates the city's dynamic weather patterns, where the vibrant sunshine of early spring and summer contrasts beautifully with the softer, cooler tones of winter.
January in Patna, India, boasts a 72% chance of sunny weather, making it a promising start to the year. As the months progress, the likelihood of sunshine peaks in February and March, where it jumps to an impressive 89%. April sees a slight dip to 79%, but still offers plenty of bright days. In contrast, the summer months bring a significant decline, with May’s chances dropping to 53% and June plummeting further to 31%. The rainy season takes a firm hold from July to August, where sunshine becomes scarce, with probabilities dwindling to a mere 11% and 8%, respectively. However, as the year transitions into fall, September and October see a recovery to 25% and 64%, respectively. Overall, if you're hoping for sun, January is an excellent time to visit before the skies cloud over in the subsequent months.
In Patna, India, January ushers in an average of 10 hours of daylight, setting the stage for a gradual transition into spring. As February approaches, the days lengthen to 11 hours, welcoming more sunlight and the promise of warmer weather. This upward trend continues through March and April, where daylight reaches 12 hours, before peaking at 13 hours in May and June. The abundance of sunlight during these months not only boosts daily activities but also enhances the vibrancy of the natural landscape. As the monsoon season arrives in July and remains consistent through August, daylight remains steady at 13 hours. However, as the year wanes, daylight starts to taper off, dropping back to 12 hours in September and October, and reverting to 10 hours by November and December. This cyclical pattern of daylight duration reflects the region’s dynamic seasonal changes, inviting both residents and visitors to embrace the varying rhythms of Patna throughout the year.
In January, Patna experiences a gentle breeze with an average wind speed of 2.0 m/s (5 mph), a mark that is quite consistent with the calmness typical of winter months. As the seasons transition into February, the wind picks up slightly, reaching 2.2 m/s (5 mph), hinting at the gradual shift towards warmer days. By March and April, the winds stabilize at 2.7 m/s (6 mph), creating a comfortable atmosphere ideal for outdoor activities. However, it’s in May and June, as the heat intensifies, where the wind speed peaks at 3.1 m/s (7 mph) and 3.0 m/s (7 mph) respectively, offering a refreshing reprieve from the rising temperatures. As we move into the monsoon months of July and August, the winds moderate again, dropping to around 2.6 m/s (6 mph) and 2.3 m/s (5 mph). September sees the winds surge once more to 3.2 m/s (7 mph), a final gust before the cooler months bring a decrease in speed. By November, the gentle winds settle down to just 1.6 m/s (4 mph), creating a serene environment as winter sets in, only to rise slightly again in December at 2.1 m/s (5 mph), closing the year with a peaceful breeze. This cyclical pattern demonstrates how Patna’s winds are intricately linked to the rhythmic changes in the seasons, offering both respite and charm throughout the year.
Weather in Patna varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Patna, focusing on differences in temperature, rainfall, humidity, and UV levels.
January and February exhibit noticeable differences in weather patterns. January experiences milder temperatures, with a minimum of 5°C (42°F) and an average of 15°C (60°F), peaking at 28°C (82°F). The month is relatively dry, with only 10 mm (0.4 in) of precipitation over 2 days and a humidity level of 72%. In contrast, February sees warmer conditions, featuring a minimum temperature of 8°C (47°F) and an average of 19°C (67°F), culminating in a maximum of 33°C (92°F). It also has increased precipitation at 19 mm (0.7 in) over the same number of days, but with lower humidity at 59%. For more details on February weather in Patna, visit Patna weather in February.
In January, the weather in Patna is relatively mild, characterized by a minimum temperature of 5°C (42°F) and an average high of 28°C (82°F). With only 10 mm (0.4 in) of precipitation over 2 days and a relatively high humidity of 72%, the atmosphere is fairly pleasant, though cooler. In contrast, March sees a significant rise in temperatures, with a minimum of 11°C (52°F) and an average high soaring to 39°C (102°F). Although March experiences slightly more precipitation at 13 mm (0.5 in) over the same number of days, the humidity drops to 45%, contributing to a more arid feel. For an in-depth look at the weather specifics, check out Patna weather in March.
In January, Patna experiences milder temperatures with a minimum of 5°C (42°F) and an average of 15°C (60°F), peaking at 28°C (82°F). The month sees relatively low precipitation of 10 mm (0.4 in) over just 2 days and maintains a high humidity level of 72%. In contrast, April brings significant warmth, with temperatures ranging from a minimum of 18°C (64°F) to an average of 30°C (86°F) and a maximum that can soar to 43°C (109°F). The precipitation increases slightly to 15 mm (0.6 in) across 3 days, while humidity drops dramatically to 29%. For more detailed insights, check out Patna weather in April.
The weather in January is considerably cooler than in May, with temperatures ranging from a minimum of 5°C (42°F) to a maximum of 28°C (82°F), and an average of 15°C (60°F). January experiences light precipitation, totaling just 10 mm (0.4 in) over 2 days, and maintains a relatively high humidity level of 72%. In contrast, May brings much warmer temperatures, with a minimum of 22°C (71°F), an average of 31°C (89°F), and soaring up to a scorching maximum of 44°C (111°F). The month also sees increased precipitation, totaling 65 mm (2.6 in) over 7 days, but with a lower humidity of 51%. For a detailed look at what to expect, you can check out Patna weather in May.
In January, the weather is mild, with temperatures ranging from a minimum of 5°C (42°F) to a comfortable maximum of 28°C (82°F). The average temperature sits at 15°C (60°F), accompanied by minimal precipitation of 10 mm (0.4 in) over just two days, and humidity levels at 72%. In stark contrast, June brings a significant increase in temperature, with minimums of 24°C (76°F) and maximums soaring to 45°C (113°F). The average temperature rises to a hot 32°C (90°F), and precipitation dramatically increases to 205 mm (8.1 in) over 16 days, while humidity remains relatively high at 76%. For more detailed insights on the weather conditions during this month, check out Patna weather in June.
In January, the weather is relatively mild, with temperatures ranging from a minimum of 5°C (42°F) to a maximum of 28°C (82°F) and an average of 15°C (60°F). With only 10 mm (0.4 in) of precipitation over just 2 days, the humidity is a comfortable 72%. In contrast, July experiences a dramatic shift, featuring much warmer temperatures with a minimum of 26°C (79°F) and a maximum soaring to 40°C (104°F). The average temperature is around 30°C (87°F), but the month is characterized by heavy rainfall totaling 364 mm (14.3 in) over 27 days, resulting in high humidity levels at 91%. For more details on the July climate, check out Patna weather in July.
The weather in January is significantly milder compared to August. With temperatures ranging from a minimum of 5°C (42°F) to a maximum of 28°C (82°F), January experiences an average of 15°C (60°F) and only sees about 10 mm (0.4 in) of precipitation over just 2 days. In contrast, August is much warmer, with temperatures starting at a minimum of 26°C (79°F) and reaching up to 37°C (98°F), boasting an average of 30°C (86°F). This month is also characterized by heavy rainfall, totaling 308 mm (12.1 in) over 28 days, and higher humidity at 90%. For more details on the specifics of August weather, you can refer to Patna weather in August.
In January, the weather is considerably milder, with temperatures ranging from a minimum of 5°C (42°F) to a maximum of 28°C (82°F) and an average temperature of 15°C (60°F). Precipitation is minimal, totaling just 10 mm (0.4 in) over only 2 days, and the humidity is relatively moderate at 72%. In contrast, September experiences much warmer conditions, with temperatures ranging from a minimum of 24°C (75°F) to a scorching maximum of 36°C (98°F) and an average of 30°C (86°F). This month sees significantly more rainfall, with 243 mm (9.6 in) of precipitation spread over 23 days and a higher humidity level of 90%. For more details, you can check Patna weather in September.
In January, the weather is relatively mild, with temperatures ranging from a minimum of 5°C (42°F) to a maximum of 28°C (82°F) and an average temperature of 15°C (60°F). The month sees low precipitation, with only about 10 mm (0.4 in) falling over just 2 days, resulting in a humidity level of 72%. In contrast, October brings much warmer conditions, with temperatures ranging from a minimum of 17°C (63°F) to a maximum of 36°C (97°F) and an average of 27°C (81°F). October is also much wetter, experiencing 70 mm (2.7 in) of rain over 8 days, contributing to a higher humidity level of 90%. For more specific details about October weather in Patna, check out Patna weather in October.
In comparing the weather between January and November, we see notable differences in temperature and humidity levels. January typically experiences a minimum temperature of 5°C (42°F) and an average of 15°C (60°F), with maximum temperatures reaching up to 28°C (82°F). This month has relatively low precipitation, totaling 10 mm (0.4 in) over just 2 days, alongside a humidity level of 72%.
In contrast, November boasts milder temperatures, with minimums around 12°C (53°F), averages of 22°C (72°F), and maxima soaring to 33°C (91°F). Interestingly, November is notably dry, reporting no precipitation throughout the month, and features higher humidity at 88%. To explore more about the weather conditions specific to this month, visit Patna weather in November.
When comparing the weather in January and December, we find that January tends to be slightly cooler overall, with minimum temperatures averaging 5°C (42°F) and maximum temperatures reaching up to 28°C (82°F). In contrast, December features a slightly higher minimum temperature of 6°C (43°F) and a maximum of 29°C (85°F). Additionally, precipitation is more prevalent in December, with 17 mm (0.7 in) occurring over just one day, compared to January's minimal 10 mm (0.4 in) spread across two days. Humidity levels also differ, as January has an average humidity of 72%, while December is more humid at 87%. For more detailed insights on December's weather, you can refer to Patna weather in December.
As January unfolds in Patna, it brings a refreshing shift from the sweltering heat of other months, with cooler temperatures averaging around 15°C (60°F). The maximum warmth reaches a pleasant 28°C (82°F), creating an inviting atmosphere for outdoor activities. With minimal precipitation—only 10 mm (0.4 in) falling over just a couple of days—January remains relatively dry compared to the monsoon season. However, humidity lingers at around 72%, adding a mild chill to the air. This perfect blend of coolness and low rainfall makes January an ideal time to experience Patna’s vibrant culture. For a deeper understanding of what to expect throughout the year, explore our comprehensive guide on Patna Climate.