Last updated: August 27, 2025
January in Gniezno, Poland brings a striking combination of winter chill and occasional precipitation. The month features a maximum temperature peaking at 12°C (54°F), while the average temperature hovers around a brisk 1°C (33°F). The thermometers can plunge as low as a biting -18°C (0°F), underscoring the season's cold grip. Rainfall totals around 43 mm (1.7 in) over approximately 10 days, contributing to a humidity level that often reaches 90%, adding to the frosty atmosphere. With these conditions, January paints a quintessentially wintery portrait of Gniezno, perfect for those seeking the charm of a Polish winter.
In Gniezno, Poland, January offers a frosty embrace, with temperatures plunging to a chilly -18°C (0°F) at their lowest and peaking at a mild 12°C (54°F). The month averages a brisk 1°C (33°F), hinting at the harsh winter conditions that characterize this time of year. As winter deepens in Poland, nights can be particularly frigid, but the occasional daytime warmth provides a stark contrast. This pattern of extreme lows gradually transitions into milder conditions as spring approaches, with February already hinting at a slight warming trend, where highs reach 18°C (64°F). Overall, January serves as a quintessential winter month, showcasing the stark beauty of cold landscapes while setting the stage for a slow but steady thaw in the weeks to come.
In January, Gniezno, Poland experiences a steady 43 mm (1.7 in) of precipitation over approximately 10 days, setting the tone for a relatively damp winter month. This consistent rainfall reflects the region's typical transition from the dry chill of December to the slightly milder conditions of February, which sees the same precipitation amount but with one less rainy day. January's precipitation, while not the heaviest seen throughout the year, is indicative of a broader trend: as spring approaches, the rainfall tends to increase, peaking in the summer months. This pattern highlights the importance of early winter moisture for the blossoming seasons ahead, making Gniezno's January both a crucial and dynamic time in its climatic cycle.
In January, Gniezno, Poland experiences a notably high humidity level of 90%, setting the tone for a winter characterized by dampness and chill. This humid trend continues into February, maintaining the same percentage before gradually decreasing to 87% in March. As spring approaches in April, humidity begins to decline more significantly, dropping to 80%. The transition to summer brings further relief with levels falling to around 67% from May through August. However, as autumn takes hold, humidity creeps back up, peaking at 92% in December and remaining high at 89% in November. This cyclical behavior underscores Gniezno’s climate, where moisture levels are highest during the winter and return to elevated conditions by year’s end, showcasing the region's variable yet consistent humidity patterns throughout the year.
In Gniezno, Poland, January presents a low UV Index of 1, indicating minimal risk for sunburn with a burn time of 45 minutes. As winter fades, February maintains this low exposure level, keeping the same burn time. However, come March, the UV Index rises to 4, signaling a moderate exposure that necessitates vigilance, with a reduced burn time of 30 minutes. April and May further intensify this trend, with the UV Index climbing to 5 and 7, respectively, reflecting a shift towards higher exposure risks as spring unfolds. By the summer months of June and July, the UV Index peaks at 8, categorizing it as very high, and reducing burn time to just 15 minutes. This trend slightly eases in August and September, where values drop to 7 and 6, yet still necessitate protective measures. As the year winds down, both October and November return to moderate and low categories, respectively, with December echoing January’s low UV Index. For more detailed insights on UV exposure, explore the Gniezno UV Index.
UV Risk Categories
In Gniezno, Poland, January begins the year with a modest 108 hours of sunshine, signaling the cold embrace of winter. However, as the months progress, a remarkable transformation unfolds. By February, the sunlight nearly doubles to 195 hours, heralding the approach of spring. The trend continues upward, with March basking in 270 hours and April brightening further with 338 hours. May and June reach their peak, boasting 388 and 422 hours respectively, inviting locals and visitors alike to enjoy the vibrant outdoor life. Although July and August experience a slight decline, retaining 417 and 386 hours, they still offer plenty of sunny days. As autumn sets in, sunshine hours gradually decrease, with September at 292 hours and October dropping to 244 hours. By the time winter returns in November and December, the daylight dwindles to 162 and 127 hours, completing the annual cycle of sunshine in this charming Polish town.
In Gniezno, Poland, the month of January presents a modest likelihood of sunny weather, with only a 14% chance of sunshine gracing the skies. This figure marks the lowest probability of clear days in the annual cycle, setting a stark contrast to the rising trend in the subsequent months. As winter transitions into spring, February sees a notable increase to 30% and continues to climb, with March offering a 37% chance of sunshine. This gradual ascent hints at a seasonal shift, where the promise of longer, sunnier days begins to take hold as Gniezno moves toward spring. So while January may be predominantly overcast, the sun's return is on the horizon, stirring anticipation for the brighter days ahead.
In Gniezno, Poland, January marks the beginning of a gradual increase in daylight, with about 8 hours of sun gracing the city each day. As winter fades, February offers a precious additional hour, bringing the daylight to 9 hours. March ushers in an even more noticeable change, with daylight stretching to 11 hours, signaling the approach of spring. By April, the sun shines for 13 hours, and May dazzles residents with 15 hours of daylight. The peak arrives in June and July, where daylight thrives at a remarkable 16 hours. However, as summer wanes, the days begin to shorten, with August delivering 14 hours. The transition into autumn sees daylight drop to 12 hours in September and continue to dwindle, reaching 8 hours in November. By December, the cycle concludes with a mere 7 hours of daylight, reminding us of nature's rhythm and the comforting return of longer days ahead.
In January, Gniezno experiences a consistent average wind speed of 3.6 m/s (8 mph), a trend that continues into February, indicating a stable winter breeze. As spring approaches in March, wind speeds slightly increase to 3.7 m/s (8 mph), hinting at a gradual change in the seasonal climate. By April, the winds pick up even more, reaching 3.8 m/s (9 mph), and this upward trend continues until May, when average speeds hit 4.0 m/s (9 mph). After the warm summer months of June and July, where winds dip back to 3.0 m/s (7 mph), the winds return to higher averages in October, November, and December, consistently hovering around 4.2 m/s (9 mph). This fluctuation throughout the year underscores a typical weather pattern in Gniezno, where winter's calm gives way to spring's awakening and a breezy autumn wraps up the yearly cycle.
Weather in Gniezno varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Gniezno, focusing on differences in temperature, rainfall, humidity, and UV levels.
January and February present a somewhat similar chill, with average temperatures hovering around 1°C (33°F). January experiences slightly colder minimum temperatures, dipping to -18°C (0°F), compared to February's minimum of -15°C (5°F). February, however, can see warmer days with a maximum of 18°C (64°F), while January peaks at 12°C (54°F). Both months receive an identical amount of precipitation, totaling 43 mm (1.7 in), with rainfall occurring on about 10 days in January and 9 days in February. Humidity remains consistent at 90% during both months, contributing to a damp cold that characterizes this winter period. For more details on February weather, check out Gniezno weather in February.
In January, temperatures in Gniezno can drop to a chilling minimum of -18°C (0°F), with an average of 1°C (33°F) and a maximum of 12°C (54°F). The month typically sees 43 mm (1.7 in) of precipitation over about 10 days, accompanied by high humidity levels at 90%. In contrast, March brings a noticeable shift, with temperatures ranging from a minimum of -14°C (6°F) to a more pleasant average of 4°C (40°F) and a maximum of 19°C (67°F). Precipitation decreases slightly to 40 mm (1.6 in) over the same number of days, while humidity remains relatively high at 87%. For a detailed look at what to expect, visit Gniezno weather in March.
In January, the weather is significantly colder, with temperatures ranging from a minimum of -18°C (0°F) to a maximum of 12°C (54°F), averaging around 1°C (33°F). This month experiences high humidity at 90% and sees about 43 mm (1.7 in) of precipitation over approximately 10 days. In contrast, April brings a welcome warmth, with temperatures stretching from a chilly -4°C (26°F) to a pleasant 27°C (81°F), averaging 9°C (48°F). While April has slightly less precipitation at 38 mm (1.5 in) over 9 days, the humidity levels are lower at 80%. For a detailed look at Gniezno's April weather, check out Gniezno weather in April.
January and May present starkly contrasting weather conditions. In January, temperatures are frigid, with a minimum of -18°C (0°F) and an average of just 1°C (33°F), accompanied by high humidity at 90%. Precipitation occurs on about 10 days, totaling 43 mm (1.7 in). In comparison, May brings a significant warming trend; the minimum temperature rises to 0°C (32°F), with an average of 13°C (56°F) and a maximum soaring to 29°C (85°F). Although May experiences slightly more precipitation at 73 mm (2.9 in) over 12 days, the humidity drops to a more moderate 67%. For a deeper dive into what May has to offer, check out Gniezno weather in May.
January and June present stark contrasts in weather conditions. In January, temperatures can plummet to a minimum of -18°C (0°F), with an average of just 1°C (33°F) and a maximum of 12°C (54°F), making it the coldest month of the year. Humidity is high at 90%, and with 43 mm (1.7 in) of precipitation over 10 days, snowy and icy conditions are often prevalent. In contrast, June boasts a much milder climate, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 36°C (97°F), averaging 19°C (67°F). The humidity decreases to 67%, and while precipitation is slightly higher at 76 mm (3.0 in) over 11 days, the warmer temperatures and longer daylight hours characterize it as a season of growth and activity. For a closer look at June conditions, visit Gniezno weather in June.
In January, Gniezno experiences frigid temperatures, with a minimum of -18°C (0°F) and an average of just 1°C (33°F), while occasionally reaching a maximum of 12°C (54°F). The winter month brings considerable precipitation over approximately 10 days, contributing to a high humidity level of 90%. In contrast, July sees a dramatic shift in climate, with temperatures ranging from a minimum of 8°C (46°F) to an average of 19°C (67°F), peaking at a maximum of 37°C (98°F). Although July has slightly more days of precipitation at 12 days, the overall humidity is much lower at 67%. For more detailed information on Gniezno's weather during this summer month, visit Gniezno weather in July.
In January, Gniezno experiences frigid temperatures, with a minimum of -18°C (0°F) and an average temperature of around 1°C (33°F), while only reaching a maximum of 12°C (54°F). The month sees significant humidity at 90%, accompanied by 43 mm (1.7 in) of precipitation over 10 days. In contrast, August offers a much warmer climate, where temperatures range from a minimum of 6°C (43°F) to a cozy average of 20°C (68°F), peaking at 33°C (92°F). Despite slightly more precipitation at 68 mm (2.7 in) over 9 days, the humidity drops to a comfortable 67%. For more details on summer weather, check out Gniezno weather in August.
In January, temperatures in Gniezno can plummet, with minimums reaching as low as -18°C (0°F) and an average of just 1°C (33°F). Precipitation is relatively low at 43 mm (1.7 in), occurring over 10 days, but the high humidity of 90% can make the cold feel even more biting. In contrast, September brings a milder and more varied climate, with minimum temperatures around 3°C (37°F) and an average of 15°C (59°F), peaking at a warm 33°C (93°F). While precipitation is slightly higher at 62 mm (2.5 in) over the same number of days, the humidity drops to 78%, creating a more pleasant late summer atmosphere. For a closer look at the September weather, visit Gniezno weather in September.
In January, temperatures in Gniezno are quite frigid, with a minimum of -18°C (0°F) and an average around 1°C (33°F), occasionally peaking at 12°C (54°F). The month sees about 43 mm (1.7 in) of precipitation over approximately 10 days, while the humidity remains high at 90%. In contrast, October experiences a milder climate, with temperatures ranging from a minimum of -2°C (28°F) to a comfortable maximum of 24°C (76°F), averaging around 11°C (51°F). Precipitation increases to 61 mm (2.4 in) over about 11 days, but the humidity is slightly lower at 84%. For more detailed insights on October weather, you can check Gniezno weather in October.
In January, temperatures can plummet to a minimum of -18°C (0°F), with an average of just 1°C (33°F) and a maximum of 12°C (54°F). The month is characterized by high humidity at 90% and approximately 43 mm (1.7 in) of precipitation spread over 10 days. In contrast, November experiences milder conditions, with temperatures ranging from a minimum of -5°C (23°F) to a maximum of 18°C (65°F) and an average of 6°C (43°F). Precipitation is slightly lower at 39 mm (1.5 in) over 7 days, accompanied by a humidity level of 89%. For more specific information, you can check Gniezno weather in November.
In comparing January and December weather, both months exhibit very cold conditions, with January typically being slightly milder. In January, temperatures range from a minimum of -18°C (0°F) to a maximum of 12°C (54°F), while December sees similar temperatures of -17°C (1°F) to 13°C (56°F). Precipitation levels are relatively close, with January receiving 43 mm (1.7 in) over about 10 days, compared to December's 46 mm (1.8 in) across 11 days. Humidity is also marginally higher in December at 92%, opposed to January's 90%. For more detailed insights about the December weather patterns, you can check this link: Gniezno weather in December.
January in Gniezno heralds the heart of winter, showcasing a dramatic contrast to the milder months. With chilly temperatures often dipping below freezing, residents can expect an average of crisp, cold days interspersed with occasional warmth. The high humidity—hovering around 90%—further accentuates the cold, making the air feel even brisker. As precipitation graces the month, with a significant number of wet days, January stands out as a time when the landscape often wears a blanket of snow. For those curious about the yearly weather patterns, January's extremes are just one fascinating chapter in Gniezno’s climate story. For a deeper dive into what the weather holds throughout the year, check out Gniezno Climate.