April Weather in Yellowknife, Canada

Last updated: April 22, 2025

April in Yellowknife, Canada showcases a dramatic transition as winter begins to give way to spring. With a maximum temperature reaching 13°C (55°F), and an average dipping to a brisk -7°C (19°F), residents experience a wide range of temperatures, with lows plunging as low as -31°C (-24°F). This month sees a moderate precipitation amount of 16 mm (0.6 in) spread across just 4 days, contributing to the town’s ice melt and budding vegetation. High humidity levels at 86% add to the crisp, frosty air, creating a unique atmosphere that captures the essence of this transitional season.

April Temperature in Yellowknife

In April, Yellowknife begins to shed the deep freeze of winter, with temperatures showing a significant upward trend. The month starts with a minimum dive to -31°C (-24°F), but average temperatures rise to a more manageable -7°C (19°F), while daytime highs can reach a pleasant 13°C (55°F). This marked increase signals the transition towards spring, as residents witness the last remnants of snow begin to melt and longer, sunnier days ahead. The warming trend from March, where temperatures peaked at 7°C (44°F), indicates not just a shift in the climate, but also a change in the local atmosphere as the community gears up for the vibrant months to follow.

April Weather in Yellowknife: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Yellowknife, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec-12-131194156625946328-8
Data source: Temperature data for Yellowknife generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Yellowknife

April in Yellowknife brings a steady rhythm of precipitation, with the month recording 16 mm (0.6 in) of rain spread over four days. This pattern mirrors the preceding months, where precipitation amounts remain relatively low, suggesting a gradual transition from the dry winter season. Compared to the 18 mm (0.7 in) in March, April maintains a similar moisture level, indicating a stable atmosphere as temperatures begin to rise. As the landscape awakens from the frosty grip of winter, the consistent precipitation hints at the impending growth of spring, setting the stage for the more abundant rains of May and June that follow.

April Precipitation Trends in Yellowknife

The chart displays monthly precipitation patterns in Yellowknife, with values for each month alongside April's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec161118162039565528242014
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Yellowknife

In April, Yellowknife experiences a notable shift in humidity, with levels dropping to 86%, down from a winter peak. This transition marks the beginning of a gradual decline as the region moves towards spring and summer. Following the frigid months of January and February, where humidity remains high at 98% and 97% respectively, March also holds onto significant moisture at 94%. However, as temperatures rise into May, the humidity further decreases to 76%, continuing a trend of decreasing moisture as the warmth of summer approaches. This pattern suggests that while Yellowknife endures some of the highest humidity levels during winter, the early days of spring offer a slight reprieve, paving the way for drier months ahead.

April Average Humidity in Yellowknife

This chart illustrates the average monthly humidity levels in Yellowknife, with April's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how April's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec98%97%94%86%76%69%73%79%86%94%98%100%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Yellowknife

As spring unfolds in Yellowknife, the UV Index starts to rise, reflecting the increasing intensity of the sun. In April, the UV Index reaches 4, categorized as moderate, which invites outdoor enthusiasts to enjoy the thawing scenery while keeping skin protection in mind—especially with a burn time of just 30 minutes. This trend of gradual escalation in UV exposure continues into May, where the index reaches 5, suggesting that activities should be carefully planned to avoid overexposure. Compared to the early months of the year, where the UV Index remained low, April serves as a reminder that as the days grow longer and brighter, protective measures become increasingly important. To stay informed about UV levels throughout the year, visit Yellowknife UV Index.

Maximum UV Index Levels in Yellowknife for April

The chart shows the monthly maximum UV Index (UVI) for Yellowknife in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec113456654211
Data source: Yellowknife April UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

April Sunshine in Yellowknife

As April rolls into Yellowknife, the days grow noticeably longer and brighter, welcoming 271 hours of sunshine—a significant boost from the 233 hours in March. This vibrant month marks the transition from the lingering chill of winter to the first whispers of spring, with sunlight continuing to build momentum as it heads toward the sumptuous glow of summer. In fact, the increase in daylight during April is just the beginning, paving the way for May's impressive 367 hours. The upward trend in sunshine not only lifts spirits but also reawakens the stunning landscapes of this northern gem, inviting residents and visitors alike to bask in the warmth and beauty of the emerging season.

Monthly Sunshine Duration in Yellowknife: April Highlighted

The April sunshine duration represents the total number of hours Yellowknife experiences direct sunlight during the month of April, excluding cloudy or obstructed periods. This chart compares the sunshine duration of April with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec77h156h233h271h367h342h378h301h209h127h95h80h
Data source: Yellowknife April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Yellowknife During April

As April arrives in Yellowknife, Canada, the likelihood of sunny weather presents a slight dip, with only 28% chance of sunshine. This modest probability follows a winter season characterized by relatively low sunlight—24% in January, peaking briefly at 37% in February before declining again in March. However, a brighter outlook emerges in May, when the sun graces the skies 45% of the time, signaling the start of the warmer months. While April may not boast the sunniest conditions, it marks a transitional phase, hinting at the flourishing days of summer just around the corner.

Percentage of Sunny Days in April in Yellowknife

The chart illustrates the percentage of sunny days in Yellowknife throughout the year, with April highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Yellowknife experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec24%37%30%28%45%43%41%39%20%32%20%13%
Data source: Yellowknife April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Yellowknife in April

April marks a delightful turning point in Yellowknife, Canada, as daylight extends to 14 hours, signaling the gradual embrace of spring. Following the long, dark winter months, where daylight barely reaches 6 hours in January, residents are greeted with increasing luminosity each month. February brings 8 hours, and by March, the sun generously bestows 11 hours of light. The progression continues into April, where the longer days serve as a precursor to May's magnificent 17 hours. This upward trend of daylight not only revitalizes the landscape but also uplifts the community's spirit, making it a vibrant time for outdoor activities and celebration. As the month draws to a close, anticipation builds for the 19 hours of sunlight that June promises, emphasizing the remarkable transformation of daylight in this northern town.

Average Daylight Hours in Yellowknife for April

The chart illustrates the variation in daylight duration in Yellowknife throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec6h 7m8h 51m11h 52m14h 57m17h 55m19h 46m18h 41m15h 52m12h 50m9h 48m6h 52m5h 6m
Data source: Yellowknife daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Yellowknife

As April unfolds in Yellowknife, Canada, the winds remain steady, with an average speed of 3.7 m/s (8 mph) mirroring the conditions from March. This consistency suggests a transition towards more stable spring weather, following the colder winter months where winds hovered around 3.1 to 3.7 m/s. Interestingly, this gentle breeze persists throughout early spring, only slightly picking up in May. Overall, the average wind speeds across these months exhibit a promising stability, creating an inviting atmosphere for outdoor activities while hinting at the dynamic climatic shifts that come with the approach of summer.

Average April Wind Speed in Yellowknife

The chart displays monthly wind speed patterns in Yellowknife, with values for each month shown alongside April's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how April's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.13.03.73.7 m/s3.83.73.63.43.74.14.03.0
Data source: Yellowknife April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Yellowknife Compares to Other Months

The weather in Yellowknife changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of April's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Yellowknife and find detailed weather information for every month.

April and January present contrasting weather conditions in Yellowknife. In April, the temperature ranges from a minimum of -31°C (-24°F) to a maximum of 13°C (55°F), with an average temperature of -7°C (19°F). In comparison, January is significantly colder, with average temperatures plummeting to -24°C (-11°F) and a maximum of only -7°C (20°F). Both months receive similar amounts of precipitation, at 16 mm (0.6 in) over 4 days, but January experiences much higher humidity at 98%, compared to April's 86%. For more details, visit Yellowknife weather in January.

April weather in Yellowknife presents a stark contrast to February's chill. With average temperatures ranging from a minimum of -31°C (-24°F) to a maximum of 13°C (55°F), April feels significantly milder compared to February's frigid lows of -48°C (-54°F) and highs only reaching -1°C (30°F). Precipitation in April totals 16 mm (0.6 in) over four days, whereas February sees a lesser 11 mm (0.4 in) across just two days. Additionally, humidity levels are noticeably different; April boasts an 86% humidity, while February is even higher at 97%. For a detailed look at February weather, explore Yellowknife weather in February.

April sees a significant improvement in weather compared to March, with temperatures rising from a chilly average of -17°C (2°F) in March to a milder average of -7°C (19°F) in April. While March experiences minimum temperatures dropping to a frigid -43°C (-46°F), April has a much less severe low of -31°C (-24°F). Additionally, April benefits from slightly less precipitation, with 16 mm (0.6 in) over 4 days compared to March's 18 mm (0.7 in) over 5 days. Humidity also decreases in April, dropping to 86% from 94% in March, making the overall weather feel more pleasant. For more detailed information on March weather, visit Yellowknife weather in March.

April and May showcase a significant shift in weather conditions. In April, temperatures range from a chilling minimum of -31°C (-24°F) to a slightly more moderate maximum of 13°C (55°F), with an average of -7°C (19°F). The month sees 16 mm (0.6 in) of precipitation over four days, accompanied by high humidity levels at 86%. In contrast, May experiences a notable warming trend, with temperatures ranging from a minimum of -22°C (-8°F) to a much warmer maximum of 26°C (79°F), and an average of 5°C (41°F). Although May has slightly more precipitation at 20 mm (0.8 in) over the same number of rainy days, humidity drops to 76%, contributing to a more comfortable atmosphere. For a detailed look at weather specifics, check out Yellowknife weather in May.

In April, temperatures in Yellowknife are quite chilly, ranging from a minimum of -31°C (-24°F) to a maximum of 13°C (55°F), with an average temperature around -7°C (19°F). The month experiences around 16 mm (0.6 in) of precipitation over four days, accompanied by high humidity levels at 86%. In contrast, June brings a significant warm-up, with temperatures ranging from a minimum of -2°C (29°F) to a maximum of 28°C (83°F) and an average of 13°C (56°F). Precipitation increases to 39 mm (1.5 in) over seven days, while humidity decreases to 69%. For more detailed information, you can check Yellowknife weather in June.

April and July present stark contrasts in weather conditions. In April, temperatures can plummet to a chilling minimum of -31°C (-24°F), with an average temperature around -7°C (19°F) and a mild maximum of 13°C (55°F). The month sees limited precipitation, totaling just 16 mm (0.6 in) over four days, coupled with a high humidity of 86%. In sharp contrast, July brings a warmer climate with temperatures ranging from a minimum of 5°C (41°F) to a comfortable average of 17°C (62°F) and a high of 30°C (86°F). July experiences more precipitation at 56 mm (2.2 in) over nine days, along with lower humidity levels at 73%. For more detailed insights, you can check Yellowknife weather in July.

April weather in Yellowknife is characterized by bitterly cold temperatures, with averages around -7°C (19°F) and occasional highs reaching 13°C (55°F). During this month, precipitation is light, totaling just 16 mm (0.6 in) over about 4 days, and humidity remains high at 86%. In contrast, August experiences a significant warming trend, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 32°C (90°F), averaging around 15°C (59°F). This month is also wetter, receiving 55 mm (2.2 in) of precipitation spread over 10 days, while humidity decreases to 79%. For more information, check out Yellowknife weather in August.

April and September present distinctly different weather patterns. In April, temperatures can plummet as low as -31°C (-24°F), with an average temperature of -7°C (19°F) and a maximum of 13°C (55°F). The month sees only 16 mm (0.6 in) of precipitation over about 4 days, with humidity staying consistently high at 86%. In contrast, September offers milder conditions, with a minimum of -4°C (25°F), an average of 8°C (47°F), and a maximum reaching 22°C (71°F). The month is wetter, with 28 mm (1.1 in) of precipitation across 6 days, while humidity remains steady at 86%. These differences highlight the transition from a cold early spring to a more temperate early autumn. For more details, you can check out Yellowknife weather in September.

In April, temperatures experience a broader range, with minimums plunging to a chilling -31°C (-24°F) and averaging around -7°C (19°F), while occasionally peaking at a relatively mild 13°C (55°F). The month sees only 16 mm (0.6 in) of precipitation over just four days, along with a humidity level at 86%. In contrast, October brings about a shift with minimum temperatures of -13°C (9°F), averaging around 0°C (33°F) and reaching a maximum of 12°C (54°F). This month is wetter, recording 24 mm (0.9 in) of precipitation across seven days, and a slight increase in humidity to 94%. For more details on the October weather patterns, check out Yellowknife weather in October.

April and November display distinctly different weather patterns, despite both months experiencing cold temperatures. In April, the temperatures range from a minimum of -31°C (-24°F) to a maximum of 13°C (55°F), with an average of -7°C (19°F) and relatively low precipitation of 16 mm (0.6 in) over 4 days. In contrast, November has a colder average temperature of -13°C (8°F), with maximums only reaching up to 4°C (40°F) and slightly higher precipitation levels at 20 mm (0.8 in) over 6 days. Additionally, November tends to be more humid, with levels reaching 98%, compared to April’s 86%. These variations highlight the transition from the tail end of winter in April to the deepening cold of November. For more detailed insights, you can check Yellowknife weather in November.

In comparing the weather between April and December, April offers a milder climate with average temperatures hovering around -7°C (19°F), whereas December is significantly colder, with an average of -22°C (-8°F). While both months have similar precipitation levels at 16 mm (0.6 in) in April and 14 mm (0.6 in) in December, December experiences higher humidity at 100%, compared to April's 86%. Despite the cold, December is marked by its frigid temperatures, with a minimum of -42°C (-44°F) and a maximum only reaching 1°C (34°F). For more insights into December weather specifics, check out Yellowknife weather in December.

Compare Yellowknife's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Yellowknife

In April, Yellowknife begins to thaw from the depths of winter, showcasing a remarkable transition in its weather patterns. While the temperature still hangs at a chilly average of -7°C, the peaks can reach up to a refreshing 13°C, hinting at the warmth of spring just around the corner. Comparatively, this month experiences a notable reduction in precipitation, with only a handful of rainy days, resulting in relatively low moisture levels for the region. However, the 85% humidity serves as a reminder that winter's chill is still present, making April a unique blend of lingering cold and budding warmth. For a deeper dive into the climate nuances of this fascinating city, visit Yellowknife Climate.