Last updated: April 22, 2025
January in Ottawa, Canada, brings a stark contrast in temperatures, with a maximum of 10°C (50°F) and a chilling average of -9°C (16°F), plunging to a minimum of -32°C (-26°F). The city experiences 76 mm (3.0 in) of precipitation over 9 days, contributing to the winter wonderland ambiance. Coupled with an impressive 93% humidity, January in Ottawa is a month where residents must prepare for both frostbite and festive beauty, as the cold can be biting, yet the landscape remains enchanting.
In January, Ottawa experiences some of its coldest weather, with temperatures plunging as low as -32°C (-26°F) and averaging around -9°C (16°F). This biting chill is contrasted by occasional warmth, as temperatures can reach a surprisingly mild 10°C (50°F) at times. As the month progresses into February, a slight rise in average temperatures to -8°C (18°F) offers a hint of relief, though lows remain harsh around -27°C (-16°F). Gradually, the approach of spring in March marks a definitive change, with averages rising to -3°C (27°F) and maximums soaring to a welcoming 20°C (69°F). This upward trend continues into April and beyond, illustrating a steady transition from the deep freeze of winter to the more temperate weather of spring, making January a pivotal month in Ottawa's climatic year.
In January, Ottawa experiences a moderate precipitation level of 76 mm (3.0 in) over approximately 9 days, marking the start of the year with a crisp and often snowy landscape. This rainfall, while less than the following months, sets the stage for a gradual increase in moisture as the winter gives way to spring. As we move into February and March, precipitation inches up slightly, with February bringing 81 mm (3.2 in) and March reaching 87 mm (3.4 in), both experiencing around 12 days of precipitation. This upward trend continues into early spring, with April seeing a notable jump to 112 mm (4.4 in), illustrating how Ottawa's weather becomes increasingly dynamic as winter recedes. Thus, January, with its relatively low precipitation, serves as a launchpad for a wetter and more varied weather pattern in the months that follow.
In January, Ottawa experiences a remarkably high humidity level at 93%, setting the tone for a winter characterized by dampness and chilly air. This consistent humidity continues into February, maintaining the same percentage before we see a gradual decline in the following months. By March, humidity dips to 86% as the city edges towards spring, signaling the end of the peak winter moisture. As temperatures rise, humidity steadily decreases, hitting 75% by May and continuing to recede to 68% in June. Interestingly, the summer months bring a slight uptick, with July and August hovering around 69% and 67%, respectively. However, as fall arrives, humidity levels begin their ascent once more, reaching 83% by October and staying elevated through the winter months again, with December at 89%. Overall, this pattern reveals a seasonal ebb and flow in humidity that mirrors Ottawa's varied climate.
In January, Ottawa experiences a low UV Index of 2, with a recommended burn time of 45 minutes. As winter coats the city, the sun's intensity remains minimal, allowing you to enjoy outdoor activities with reduced concern for sun damage. However, as the seasons change, February sees the UV Index rise to 4, marking a transition to moderate exposure where 30 minutes can lead to a burn. This upward trend continues into March, reaching a moderate Index of 5. The real shift begins in April, where the UV Index soars to 8, prompting caution with only 15 minutes of midday sun before risks increase significantly. This pattern persists through the summer months, peaking in May and June at a striking 9, where sun safety becomes crucial. As we move into fall, the UV exposure gradually lessens, dropping to 7 in September before settling back to 2 by December. Understanding these trends is essential for effective sun protection throughout the year, so you can enjoy Ottawa’s vibrant seasons without the worry of sunburn. For more detailed information, visit Ottawa UV Index.
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In January, Ottawa experiences a modest 111 hours of sunshine, which sets the stage for a gradual increase as winter gives way to spring. By February, the sun begins to shine more brightly with 156 hours, hinting at the upcoming rebirth of nature. The trend continues into March and April, where sunshine peaks at 235 hours and 227 hours respectively, bursting forth with the vibrancy of early blooms. As we move into the heart of spring and the height of summer, the hours swell dramatically, with June and July boasting 314 and 348 hours of cheerful sunlight. This dazzling abundance of summer rays gives way to a slight dip in August, yet the sun remains a reliable companion with 315 hours. As autumn approaches, the brightness gradually recedes, tapering off to 267 hours in September and further down to 190 hours by October, painting a picture of transition as the season shifts. November and December bring the year to a close with 142 and 127 hours of sunshine, inviting the residents of Ottawa to reflect on the seasonal journey from the gentle light of January through the radiant warmth of summer.
In January, Ottawa experiences a modest 27% chance of sunny weather, making it one of the cloudier months of the year. This trend continues through the winter months, with February seeing a slight increase to 35%, but still significantly lower than the spring or summer. As we move into March, the likelihood of sunshine begins to rise sharply, reaching 44%, hinting at the approaching thaw. Conversely, the summer months maintain an average of around 35% to 43%, but it's April that offers a dip back to 36%, showing that early spring can still be unpredictable. Thus, while January may not be the sunniest month, the gradual increase in sunshine is a promising sign for those eager for warmer days ahead.
In January, Ottawa experiences roughly 9 hours of daylight, marking a gradual ascent toward longer days as the year progresses. By February, daylight increases to 10 hours, offering a subtle hint of spring's approach. This trend continues into March with 11 hours, as the city anticipates the warmth of longer days. April brings an invigorating 13 hours, while May stretches the daylight to 14 hours, filling the city with the vibrancy of blooming nature. The peak of June and **July sees a delightful 15 hours, making these months the sunniest and most energizing. As summer wanes, daylight begins to recede, dipping to 14 hours in August, then 12 hours in September, and continuing downward through October at 10 hours. Finally, with the approach of winter, November and December return to 9 hours and a mere 8 hours of daylight, respectively, compelling the residents of Ottawa to treasure each fleeting moment of sunlight. This rhythmic ebb and flow of daylight not only highlights the beauty of seasonal change but also shapes the lifestyle of those in Canada’s capital.
In January, Ottawa experiences a gentle breeze with an average wind speed of 2.9 m/s (6 mph), setting a tranquil tone for the winter month. This steady wind flow remains consistent into February but picks up slightly in March, reaching 3.8 m/s (9 mph), indicating a gradual transition as spring approaches. As temperatures rise in April and May, the winds cool down again, hovering around 2.9 m/s. Interestingly, the summer months bring lighter winds, particularly in July and August when the average drops to 2.6 m/s (6 mph) and 2.4 m/s (5 mph), respectively, creating a sense of calm during the warmest days. As autumn arrives, gusts return to a moderate 3.0 m/s (7 mph) in September and November before reaching 3.5 m/s (8 mph) in December, suggesting a brisk start to winter. Overall, the wind patterns in Ottawa reflect a harmonious ebb and flow that complement the seasonal changes throughout the year.
The weather in Ottawa 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 Ottawa and find detailed weather information for every month.
January and February in Ottawa exhibit strikingly cold conditions, though February shows a slight warming trend. In January, temperatures dip to a minimum of -32°C (-26°F) with an average of -9°C (16°F) and a maximum of 10°C (50°F). The month also sees 76 mm (3.0 in) of precipitation over 9 days, maintaining consistent humidity levels at 93%. Conversely, February experiences a slightly milder range, with minimum temperatures of -27°C (-16°F), an average of -8°C (18°F), and a maximum of 11°C (53°F). Precipitation increases to 81 mm (3.2 in) over 12 days, while humidity remains steady at 93%. For more detailed information, check Ottawa weather in February.
In January, Ottawa experiences its coldest temperatures, with averages around -9°C (16°F) and a minimum that can plummet to -32°C (-26°F). The month sees significant precipitation totaling 76 mm (3.0 in) over about 9 days, accompanied by high humidity levels around 93%. In contrast, March brings a noticeable warming trend, with average temperatures rising to -3°C (27°F) and maximums reaching a mild 20°C (69°F). Although precipitation increases slightly to 87 mm (3.4 in) across 12 days, humidity decreases to 86%, contributing to a more comfortable atmosphere. For a closer look at the specific weather patterns, you can visit Ottawa weather in March.
In January, temperatures in Ottawa can plummet to a chilling minimum of -32°C (-26°F), with an average of -9°C (16°F) and a maximum reaching just 10°C (50°F). The month experiences significant humidity at 93% and receives 76 mm (3.0 in) of precipitation over approximately 9 days. In contrast, April brings a dramatic shift in weather, with temperatures rising to a minimum of -12°C (10°F) and reaching an average of 5°C (42°F) and a maximum of 27°C (81°F). Precipitation increases to 112 mm (4.4 in) over 12 days, accompanied by a slightly lower humidity level of 82%. For a closer look at Ottawa's weather in April, you can visit Ottawa weather in April.
In January, the weather is notably cold, with temperatures ranging from a frigid -32°C (-26°F) at night to a maximum of 10°C (50°F) during the day, and an average temperature hovering around -9°C (16°F). The month sees about 76 mm (3.0 in) of precipitation over approximately 9 days, accompanied by high humidity levels at 93%. In contrast, May experiences significantly warmer conditions, with temperatures spanning from a chilly minimum of -3°C (26°F) to a sweltering maximum of 35°C (95°F) and an average of 13°C (56°F). This month registers a higher total precipitation of 117 mm (4.6 in) over about 14 days, but the overall humidity is lower at 75%. For more detailed insights into the weather during this month, you can check Ottawa weather in May.
In January, Ottawa experiences frigid temperatures, ranging from a bone-chilling minimum of -32°C (-26°F) to a mild maximum of 10°C (50°F), with an average temperature hovering around -9°C (16°F). The month sees significant precipitation, totaling 76 mm (3.0 in) over 9 days, coupled with high humidity levels at 93%. In stark contrast, June brings a much warmer climate, with temperatures rising dramatically to a minimum of 2°C (36°F) and reaching up to 32°C (91°F), resulting in an average of 18°C (65°F). Although June sees slightly more precipitation at 98 mm (3.9 in) over 13 days, the humidity drops to a more comfortable 68%. For more detailed information, visit Ottawa weather in June.
January and July present strikingly different weather conditions. In January, the temperatures can plummet to a minimum of -32°C (-26°F), with an average temperature around -9°C (16°F) and a maximum of only 10°C (50°F). The humidity is notably high at 93%, contributing to a cold, damp atmosphere, accompanied by 76 mm (3.0 in) of precipitation over about 9 days. In contrast, July boasts a much milder climate, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 35°C (96°F) and an average of 21°C (70°F). Although July experiences more precipitation at 114 mm (4.5 in) over roughly 12 days, the humidity is lower at 69%, leading to a warmer and more comfortable feel. For more specific details about summer weather, you can check Ottawa weather in July.
When comparing January and August, it's clear that Ottawa experiences a dramatic shift in weather between these two months. January's temperatures plunge to a minimum of -32°C (-26°F) and struggle to average around -9°C (16°F), with precipitation occurring on about 9 days and a high humidity level of 93%. In stark contrast, August sees much milder conditions, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 32°C (89°F) and an average of 20°C (68°F). While August has slightly more precipitation at 94 mm (3.7 in) over 13 days, the humidity drops to a more comfortable 67%. For more detailed information, check out Ottawa weather in August.
January and September exhibit stark contrasts in weather, with January characterized by frigid temperatures, where lows can plummet to -32°C (-26°F) and average around -9°C (16°F). Precipitation is frequent, occurring on about 9 days and accompanied by high humidity levels of 93%. In contrast, September sees a much milder climate with temperatures that range from a minimum of 0°C (31°F) to a warm average of 15°C (60°F), peaking at a maximum of 32°C (90°F). Although both months experience similar levels of precipitation, September has it slightly higher at 79 mm (3.1 in) over 11 days, accompanied by a more comfortable humidity of 72%. For more detailed insights into the weather, you can visit Ottawa weather in September.
January and October present striking contrasts in weather conditions. January experiences frigid temperatures, with a minimum of -32°C (-26°F) and an average around -9°C (16°F), leading to a crisp and harsh winter atmosphere. The month sees 76 mm (3.0 in) of precipitation over 9 days, with high humidity at 93%, which can make the cold feel even more biting. In contrast, October offers milder temperatures, where the minimum dips to -6°C (22°F) but averages a much warmer 9°C (48°F) and can reach up to 27°C (81°F). Precipitation increases to 132 mm (5.2 in) over 12 days with a slightly lower humidity of 83%, making it a more variable and comfortable month. For a deeper look at what to expect, check out Ottawa weather in October.
January and November in Ottawa present stark contrasts in weather. January is much colder, with average temperatures around -9°C (16°F), and can plummet to a minimum of -32°C (-26°F). In comparison, November is milder, with an average temperature of 0°C (33°F), and even reaching a maximum of 22°C (71°F). Precipitation is more frequent in November, occurring on 14 days and totaling 97 mm (3.8 in), while January sees precipitation over 9 days at 76 mm (3.0 in). Humidity levels also differ slightly, with January at 93% and November at 88%. For more detailed information, you can visit Ottawa weather in November.
In comparing the weather of January and December, January tends to be slightly colder overall, with average temperatures hovering around -9°C (16°F) compared to December's warmer average of -5°C (22°F). Both months experience significant cold, with minimal temperatures dipping to -32°C (-26°F) in January and -29°C (-20°F) in December. Precipitation levels are also comparable, with December seeing 80 mm (3.2 in) over 12 days, while January has 76 mm (3.0 in) spread across 9 days, indicating slightly wetter conditions in December. Humidity remains high in both months, with January holding a humid 93% and December at 89%. For more details, you can check Ottawa weather in December.
January in Ottawa is a stark contrast to the milder months of the year, showcasing the city's coldest temperatures and highest humidity levels. With the average thermometer hovering around -9°C (16°F), it's a time when residents bundle up and embrace winter's chill. The month's precipitation, primarily in the form of snow, contributes to the 76 mm total spread across about nine days, adding to the wintry landscape. This month's climate can feel particularly biting, with minimum temperatures plummeting to -32°C (-26°F). For those curious about how Ottawa's January conditions fit into the broader climate picture, check out Ottawa Climate for more insights.