Last updated: February 24, 2025
In January, Chelsea, United States experiences a striking contrast in temperatures, with a maximum reaching 19°C (66°F) and a minimum plunging to -18°C (0°F), resulting in a brisk average of 1°C (35°F). The month sees a total precipitation of 66 mm (2.6 in) across approximately 8 days, contributing to the region's lush winter landscape. With humidity levels at a noteworthy 84%, residents and visitors alike should be prepared for a chilly, moisture-laden winter month, ideal for cozy indoor activities and embracing the season's beauty.
In Chelsea, United States, January marks the heart of winter, where temperatures can plummet to a chilling -18°C (0°F) at night. Despite these brisk lows, daytime brings a surprising contrast with averages hovering around 1°C (35°F) and highs reaching a comfortable 19°C (66°F). This fluctuation between bitterly cold nights and milder daytime warmth exemplifies the transitional nature of the winter season. As January progresses towards February and March, the gradual increase in temperatures hints at the impending arrival of spring, with February's highs peaking at 23°C (73°F) and March offering even warmer days, pushing up to 27°C (80°F). This temperate shift not only showcases Chelsea's varied climate but also sets the stage for the vibrant changes that follow in the subsequent months.
In January, Chelsea experiences a relatively modest precipitation amount of 66 mm (2.6 in) over just 8 rainy days. This sets a lighter tone for the month compared to the heavier rainfall seen in the subsequent months, particularly February, which jumps to 107 mm (4.2 in) with 10 precipitation days. As winter transitions to spring, average precipitation tends to increase consistently, peaking in July at 144 mm (5.6 in) spread across 14 days. This pattern suggests a gradual buildup of moisture as the year progresses, with the late spring and summer months bringing notably wetter conditions, while January stands out as a relatively dry month, allowing for a stark contrast in the region's seasonal weather dynamics.
In Chelsea, United States, January brings a notable humidity level of 84%, marking it as one of the year's wettest months. As winter transitions into spring, humidity gradually decreases, with February and March seeing slight drops to 82% and 81%, respectively. By April, the moisture levels continue to decline to 78%, signaling the onset of dryer conditions. This trend continues into May and June, where humidity stabilizes at around 69%, creating a breezier atmosphere. As summer peaks in July, a further decrease to 62% is observed, with the air becoming more comfortable. However, as autumn approaches, humidity begins to rise again, reaching 68% in September and bouncing back to 82% in November, before settling at 80% in December. This cyclical pattern highlights Chelsea's transition through the seasons, where winter and late fall are characterized by high humidity, while summer provides a refreshing reprieve.
In January, Chelsea experiences a moderate UV Index of 3, with an estimated burn time of 30 minutes for fair-skinned individuals. As winter progresses into February, the UV Index rises to 5, maintaining the moderate exposure category. This upward trend continues into March, where the Index reaches 6, transitioning to a high exposure level and reducing the burn time to 25 minutes. The spring months see a significant increase in UV levels; by April, the index surges to 8 and then peaks at 10 in both May and June, marking a period of very high exposure with a quick 15-minute burn time. This intense UV exposure persists through the summer months before gradually declining in September and October. By November, the UV Index drops back to 4, and finally, in December, it falls to a low of 2, allowing for a safer burn time of 45 minutes. For a detailed monthly breakdown, check out the Chelsea UV Index.
UV Risk Categories
In Chelsea, January brings 152 hours of sunshine, setting the stage for a gradual increase in brightness as winter begins to wane. By February, the sun’s presence brightens to 181 hours, hinting at the arrival of spring. The trend continues, with March enjoying a significant leap to 254 hours, paving the way for April's 250 hours. As the days stretch longer, May shines the brightest with 283 hours, peaking in June at an impressive 322 hours. The warmth reaches its zenith in July with 353 hours, after which sunshine slightly tapers but remains robust throughout the following months. August holds 319 hours, while September offers 279 hours, hinting at the transition to cooler days. As autumn sets in, October and November feature 231 and 219 hours, respectively, before the cycle resets in the winter of December with 181 hours. Overall, Chelsea’s sunshine reflects a vibrant seasonal rhythm, with a remarkable crescendo in the summer months that beautifully complements the changing year.
In Chelsea, United States, January ushers in a moderate 47% chance of sunny weather, a figure that stands out in comparison to the notably lower likelihoods in February at 31% and August at 29%. Interestingly, the sun tends to peek out more often as the months roll on, with March experiencing a cheerful 56% chance, before dipping slightly in April to 45%. This trend highlights a seasonal shift where November, with its 55% sunny prospects, and September, also at 47%, suggest that brighter days become more common as winter transitions into spring. However, the mid-year months of June and July show a decline, with 38% and 44% chances respectively, indicating that while sunny days are prevalent overall, the middle of the year may have its own surprises. Overall, January provides a promising start to the year for sun lovers, with favorable odds of catching some rays before springtime shines brighter.
In Chelsea, United States, January marks the beginning of the year with about 9 hours of daylight, setting a tone of shorter days that persists into early winter. As we transition into February, daylight increases slightly to 10 hours, hinting at the impending spring. This gradual ascent continues, reaching 11 hours in March and then blossoming into 13 hours in April, as warmer months approach. May and June offer the peak daylight duration, each boasting 14 hours of sunlight, providing ample opportunity for outdoor activities. However, as summer wanes, daylight begins its slow retreat, with 13 hours in August and steadily declining to 12 hours in September. The descent continues into the fall, dropping back to 11 hours in October, and finally returning to 9 hours by November and December. This cyclical pattern of longer days followed by a retreat into winter encapsulates the seasonal rhythm of Chelsea's daylight, offering a yearly reminder of nature's ebb and flow.
As January ushers in the year in Chelsea, the winds carry a steady whisper, with an average speed of 3.5 m/s (8 mph). This consistency in wind patterns remains throughout February, maintaining the same brisk pace. However, as spring approaches, the winds pick up slightly in March with a rise to 3.8 m/s (8 mph), before settling back down to 3.5 m/s (8 mph) in April. Interestingly, a gradual decline begins in May, with speeds dropping to 3.3 m/s (7 mph), and the summer months bring even calmer breezes, reaching a low of 2.5 m/s (6 mph) in both July and August. As the seasons change into autumn, a slight resurgence occurs with September seeing speeds at 3.2 m/s (7 mph), which remains constant through November. By December, the winds wane again, concluding the year at 3.0 m/s (7 mph). This trajectory illustrates a fascinating ebb and flow of wind patterns, reflecting the seasonal shifts that characterize Chelsea's January climate.
The weather in Chelsea changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of January's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Chelsea and find detailed weather information for every month.
In January, temperatures in Chelsea range from a chilly minimum of -18°C (0°F) to a mild maximum of 19°C (66°F), with an average temperature of 1°C (35°F). The month experiences about 66 mm (2.6 in) of precipitation over 8 days, accompanied by high humidity levels at 84%. In contrast, February brings slightly warmer weather, with a minimum temperature of -16°C (4°F) and a maximum reaching 23°C (73°F), resulting in an average of 3°C (37°F). Additionally, February sees increased precipitation at 107 mm (4.2 in) over 10 days, but humidity remains relatively stable at 82%. For more detailed information about February weather, you can visit Chelsea weather in February.
January and March present distinct contrasts in weather patterns. In January, temperatures can plummet to a minimum of -18°C (0°F) with an average of just 1°C (35°F), whereas March sees milder conditions, starting at a minimum of -9°C (16°F) and rising to an average of 6°C (43°F). While January experiences about 66 mm (2.6 in) of precipitation over eight days, March is wetter, with 103 mm (4.0 in) falling over ten days. Humidity levels are relatively similar, at 84% in January and slightly lower at 81% in March. As spring approaches, March also offers a maximum temperature that can reach up to 27°C (80°F), showcasing a significant warming trend compared to January’s peak of 19°C (66°F). For more detailed weather information, you can check Chelsea weather in March.
In comparing the weather of January and April, January presents a much colder climate, with temperatures ranging from a minimum of -18°C (0°F) to a maximum of 19°C (66°F) and an average of just 1°C (35°F). This month experiences 66 mm (2.6 in) of precipitation over about 8 days and has a notably high humidity level at 84%. In contrast, April brings milder temperatures, ranging from a minimum of -1°C (31°F) to a warm maximum of 29°C (85°F) and an average of 12°C (53°F). However, it also sees an increase in precipitation, totaling 111 mm (4.4 in) over 12 days and a slightly lower humidity level of 78%. For more detailed information regarding the weather patterns for April, you can check Chelsea weather in April.
In January, the weather is quite cold, with temperatures ranging from a minimum of -18°C (0°F) to a maximum of 19°C (66°F), and an average temperature of just 1°C (35°F). The month sees about 66 mm (2.6 in) of precipitation over 8 days, coupled with high humidity at 84%. In stark contrast, May brings much warmer conditions, with temperatures ranging from a minimum of 2°C (37°F) to a maximum of 32°C (90°F) and an average of 17°C (63°F). Precipitation increases to 118 mm (4.6 in) spread across 12 days, but humidity drops to 69%. To explore more about the weather in this vibrant month, check out Chelsea weather in May.
In January, the weather is much colder, with temperatures ranging from a minimum of -18°C (0°F) to a maximum of 19°C (66°F) and an average temperature around 1°C (35°F). The month experiences significant humidity at 84% and sees about 66 mm (2.6 in) of precipitation over 8 days. In stark contrast, June brings warmer temperatures, with a minimum of 10°C (50°F) and a comfortable average of 22°C (73°F), peaking at a maximum of 35°C (96°F). Although June is slightly wetter, accumulating 94 mm (3.7 in) of precipitation over 13 days, the humidity drops to 69%, contributing to a more pleasant overall feel. For more details on June weather, you can refer to Chelsea weather in June.
In January, temperatures in Chelsea can drop significantly, with minimums plummeting to -18°C (0°F) and average highs reaching only 1°C (35°F). The month typically sees about 66 mm (2.6 in) of precipitation over 8 days, coupled with a high humidity of 84%, creating a cold and damp atmosphere.
In stark contrast, July brings warmth and humidity, featuring minimum temperatures around 16°C (61°F) and average highs soaring to 26°C (79°F), with peaks that can hit 36°C (97°F). This summer month experiences more precipitation, totaling 144 mm (5.6 in) over 14 days, but the humidity drops to a more comfortable 62%. For those interested in the specifics of July weather in Chelsea, more details can be found here: Chelsea weather in July.
When comparing the weather between January and August, notable differences emerge. January is characterized by much colder temperatures, with a minimum of -18°C (0°F) and an average of just 1°C (35°F), while August offers a significantly warmer climate, with average temperatures around 25°C (77°F) and highs reaching up to 35°C (95°F). Precipitation is also more pronounced in August, totaling 126 mm (5.0 in) over 14 days, compared to January's 66 mm (2.6 in) over 8 days. Additionally, January's humidity levels are higher at 84%, while August experiences a more comfortable 65% humidity. For more details about the weather specifically in Chelsea during August, you can visit this link: Chelsea weather in August.
January and September showcase striking differences in weather patterns. In January, temperatures can plummet as low as -18°C (0°F) with an average around 1°C (35°F), while September offers a much milder climate with minimum temperatures of 8°C (47°F) and averages reaching 21°C (71°F). The maximum temperatures in January can reach 19°C (66°F), in stark contrast to the highs of 34°C (93°F) experienced in September. Despite January's lower precipitation of 66 mm (2.6 in) over 8 days, the higher precipitation of 91 mm (3.6 in) over 10 days in September accompanies a drop in humidity from January's 84% to September's 68%. For more detailed information about September weather, check out Chelsea weather in September.
In January, temperatures can plunge as low as -18°C (0°F), with an average temperature around 1°C (35°F) and highs reaching only up to 19°C (66°F). The month experiences about 66 mm (2.6 in) of precipitation over 8 days, accompanied by relatively high humidity at 84%. In contrast, October brings milder weather with temperatures ranging from a minimum of 3°C (37°F) to an average of 16°C (61°F), and maximums soaring to 34°C (93°F). This month sees increased precipitation of 130 mm (5.1 in) spread over 10 days, and humidity is lower at 74%. For further details, you can explore Chelsea weather in October.
In comparing the weather between January and November, January tends to be significantly colder, with temperatures ranging from a minimum of -18°C (0°F) to a maximum of 19°C (66°F), averaging around 1°C (35°F). In contrast, November experiences milder conditions with minimum temperatures of -9°C (17°F) and maximums reaching 25°C (76°F), averaging 8°C (47°F). Precipitation is slightly higher in November at 82 mm (3.2 in) over 9 days, compared to January's 66 mm (2.6 in) over 8 days. Both months feature relatively high humidity, with January at 84% and November slightly lower at 82%. For more specifics on November conditions, you can check Chelsea weather in November.
In comparing the weather of January and December, January tends to be colder overall, with an average temperature of 1°C (35°F) compared to December’s 4°C (39°F). January experiences a lower minimum temperature, dropping to -18°C (0°F), whereas December has a milder minimum of -11°C (13°F). Precipitation is also more sparse in January, with 66 mm (2.6 in) over 8 days compared to December's 102 mm (4.0 in) over 10 days. The humidity in January is slightly higher at 84%, compared to December's 80%. For more details, you can refer to Chelsea weather in December.
In January, Chelsea experiences a striking contrast to other months, characterized by chilly temperatures that can plummet as low as -18°C (0°F), while occasionally peaking at a mild 19°C (66°F). This month often brings a notable 84% humidity and averages 66 mm (2.6 in) of precipitation over approximately 8 days, making it one of the wetter times of the year. As winter settles in, the combination of cold air and dampness creates a unique atmosphere that sets January apart from the milder and drier conditions typical of other seasons. For a deeper understanding of Chelsea's weather patterns throughout the year, explore the Chelsea Climate.