April Weather in Sitka, United States

Last updated: February 24, 2025

In Sitka, United States, April ushers in a mild yet unpredictable climate, characterized by a maximum temperature reaching 14°C (57°F) and an average hovering around 4°C (40°F). The minimum temperatures can drop to a chilly -6°C (21°F), indicating the gradual transition from winter to spring. This month sees a significant precipitation amount of 174 mm (6.9 in) over approximately 18 days, contributing to an impressive humidity level of 83%. As a result, Sitka's landscapes are likely to be lush and vibrant, perfect for those seeking the beauty of a vibrant, albeit wet, spring.

April Temperature in Sitka

In April, Sitka begins to shed the chill of winter, transitioning toward the warmth of spring. With minimum temperatures rising to -6°C (21°F), the city experiences a notable increase in warmth compared to the previous months. The average temperature climbs to 4°C (40°F), a significant uplift that signals the onset of milder weather. Maximum temperatures can reach 14°C (57°F), inviting residents and visitors alike to enjoy the great outdoors. This month marks a clear shift from the biting cold of winter, showing a gradual trend of warming that continues into May, as Sitka eagerly welcomes the brighter days ahead.

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

The chart illustrates April temperature patterns in Sitka, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec333235404651555552453836
Data source: Temperature data for Sitka generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Sitka

In April, Sitka experiences 174 mm (6.9 in) of precipitation over 18 days, continuing a trend of substantial rainfall characteristic of the spring months. This marks a slight decrease from March's 179 mm, while still contributing to the overall wetness that defines the region. As the month progresses, the transition to drier weather is hinted at, with May's precipitation dropping significantly to 124 mm (4.9 in). This pattern reflects the dynamic climate of Sitka, where moisture levels remain high early in the year, before gradually tapering off into the summer months, inviting both the beauty of blooming flora and the allure of outdoor adventures.

April Precipitation Trends in Sitka

The chart displays monthly precipitation patterns in Sitka, 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.
JanFebMarAprMayJunJulAugSepOctNovDec219179179174124137112201224276284293
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

April Humidity in Sitka

In April, Sitka experiences a humidity level of 83%, continuing a slight decline from the more humid months of winter, where levels hovered around 87% to 85% in January and February. This stability hints at the transitional nature of spring, as humidity holds steady before rising again in May to 88% and peaking in the summer months. The early spring air is crisp, a precursor to the moisture-laden conditions that characterize the Pacific Northwest during the warmer season. Overall, April serves as a bridge between the tail end of winter's dampness and the approaching summer humidity, hinting at the vibrant transformation of the landscape.

April Average Humidity in Sitka

This chart illustrates the average monthly humidity levels in Sitka, 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.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%83%83%88%95%101%100%94%87%85%87%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Sitka

As April arrives in Sitka, the UV Index climbs to 5, marking it as a time of moderate sun exposure risk. This increase from the previous months reflects the changing seasons, where longer days and stronger sunlight encourage outdoor activities. With a burning time of just 30 minutes, it's essential for residents and visitors to take precautions, such as wearing sunscreen and protective clothing, to enjoy the sunny days safely. The UV Index will continue to rise as summer approaches, so now is the perfect time to prepare for more intense sun exposure in the coming months. For detailed information on how UV levels fluctuate throughout the year, visit Sitka UV Index.

Maximum UV Index Levels in Sitka for April

The chart shows the monthly maximum UV Index (UVI) for Sitka 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.
JanFebMarAprMayJunJulAugSepOctNovDec124566775311
Data source: Sitka 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 Sitka

As April unfolds in Sitka, the promise of spring shines brightly, with an impressive 196 hours of sunlight illuminating the landscape. This marks a notable increase from the 177 hours experienced in March, setting the stage for a vibrant transition into summer. The upward trend continues into May, which welcomes even more sunshine, peaking at 220 hours. Comparatively, the winter months starkly contrast this sunny surge, with mere 44 hours in January, gradually climbing through the months. By the time summer arrives, residents can bask in the near-constant glow of 222 hours in June and July, before the days gently shorten again in August and September. This gradual ebb and flow create a rhythmic seasonal tapestry, where each month builds upon the last, inviting both locals and visitors to relish the beauty of Sitka's sunny disposition.

Monthly Sunshine Duration in Sitka: April Highlighted

The April sunshine duration represents the total number of hours Sitka 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.
JanFebMarAprMayJunJulAugSepOctNovDec44h128h177h196h220h222h220h212h185h120h64h52h
Data source: Sitka April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sitka During April

As April arrives in Sitka, the likelihood of enjoying sunny weather increases to 32%, marking a glimmer of hope after the colder months. This is a notable improvement from March's 19%, suggesting that spring is finally breaking through the winter chill. While February puts on a stronger showing with a 34% chance of sunshine, April's embrace of the sun sets the stage for more outdoor activities. However, it's worth noting that the sun's presence sharply declines in May to 12%, hinting that Sitka's picturesque landscape may soon be shrouded in clouds again. Overall, April represents a transitional period where residents can relish the return of sunshine before the summer months bring varied weather patterns.

Percentage of Sunny Days in April in Sitka

The chart illustrates the percentage of sunny days in Sitka 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 Sitka experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec15%34%19%33%12%24%18%17%10%16%16%30%
Data source: Sitka April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sitka in April

As winter gives way to spring, Sitka, United States, experiences a remarkable increase in daylight duration throughout the year. In April, daylight reaches an invigorating 14 hours, a significant leap from the 11 hours observed in March. This upward trend continues into May, where daylight extends further to 16 hours before peaking at an impressive 17 hours in both June and July. As the summer sun gradually starts to wane, daylight hours begin to gently retreat, dropping to 15 hours in August and then tapering to 12 hours by September. This rhythmic dance of daylight underscores the beautiful seasonal shifts in Sitka, inviting residents and visitors alike to indulge in the extended hours of nature's splendor.

Average Daylight Hours in Sitka for April

The chart illustrates the variation in daylight duration in Sitka throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 29m9h 30m11h 54m14h 22m16h 34m17h 46m17h 5m15h 3m12h 40m10h 14m8h 1m6h 47m
Data source: Sitka daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Sitka

In April, Sitka experiences a gentle lull in its winds, with average speeds dropping to 2.8 m/s (6 mph), making it one of the calmest months of the year. This decrease follows a gradual decline from the gustier winter months, with January and February boasting speeds of 4.7 m/s (10 mph) and 4.0 m/s (9 mph), respectively. As the region transitions into spring, the lighter breezes of April create a serene atmosphere, ideal for outdoor activities and enjoying the blossoming scenery. Interestingly, just as the winds soften in April, they remind us that nature is preparing for a shift, as speeds begin to rise again in May. This trend showcases a seasonal rhythm in Sitka, where wind patterns play a subtle but significant role in shaping the local environment.

Average April Wind Speed in Sitka

The chart displays monthly wind speed patterns in Sitka, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.74.03.72.8 m/s3.32.82.63.23.94.44.13.5
Data source: Sitka April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Sitka Compares to Other Months

The weather in Sitka 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 Sitka and find detailed weather information for every month.

April and January present distinct weather contrasts. In April, temperatures typically range from a minimum of -6°C (21°F) to a maximum of 14°C (57°F), resulting in a more moderate average of 4°C (40°F). In contrast, January experiences much colder conditions, with temperatures dipping as low as -17°C (2°F) and peaking at 13°C (56°F), leading to a chilly average of 1°C (33°F). Precipitation is also notable in both months, with January recording 219 mm (8.6 in) compared to April's 174 mm (6.9 in), though the number of rainy days is similar at 18. Humidity levels are relatively high in both months, at 83% for April and 87% for January. For more detailed information on January's weather, you can explore Sitka weather in January.

April weather is generally milder than that of February, with average temperatures rising from February's chilly -16°C (4°F) to a more comfortable 4°C (40°F). The maximum temperature in April reaches up to 14°C (57°F), compared to February's highest of 9°C (48°F). However, April sees slightly more precipitation, totaling 174 mm (6.9 in) over 18 days, while February experiences 179 mm (7.0 in) across 15 days. Humidity levels are similar, with April at 83% and February at 85%, making both months feel fairly damp. For further insights, you can refer to Sitka weather in February.

April typically brings a milder climate compared to March, with average temperatures rising from March's 1°C (35°F) to 4°C (40°F). While March experiences colder minimum temperatures, dropping to -13°C (9°F), April sees a more moderate low of -6°C (21°F). Precipitation levels are quite similar, with March receiving slightly more at 179 mm (7.0 in) compared to April's 174 mm (6.9 in), both over 18 days. Humidity remains constant at 83% for both months, highlighting a damp atmosphere typical of early spring. For more details on March weather, check out Sitka weather in March.

April and May exhibit notable differences in weather patterns. In April, temperatures range from a chilly minimum of -6°C (21°F) to a maximum of 14°C (57°F), with an average of 4°C (40°F). The month experiences significant precipitation, totaling 174 mm (6.9 in) over 18 days, coupled with a high humidity level of 83%. By contrast, May brings warmer conditions, with minimum temperatures rising to 1°C (35°F) and maximums reaching 20°C (68°F), resulting in an average of 8°C (46°F). Precipitation decreases to 124 mm (4.9 in) over 19 days, and humidity slightly increases to 88%. For a deeper look into May's weather specifics, you can visit Sitka weather in May.

In comparing the weather of April and June, we observe significant differences in temperature and precipitation patterns. April experiences cooler temperatures, with a minimum of -6°C (21°F) and an average of 4°C (40°F), while June sees milder conditions, with a minimum of 4°C (40°F) and an average of 10°C (51°F). Precipitation is slightly higher in April, totaling 174 mm (6.9 in) over 18 days, compared to June's 137 mm (5.4 in) over 20 days. Additionally, humidity levels rise in June, reaching 95% compared to April's 83%. For more detailed insights, you can check out Sitka weather in June.

April weather in Sitka is characterized by much colder temperatures, with minimums dropping to -6°C (21°F) and average highs reaching only 14°C (57°F). The month is quite wet, recording a significant precipitation of 174 mm (6.9 in) over 18 days, coupled with high humidity levels at 83%. In contrast, July brings a welcome warmth with minimum temperatures of 9°C (48°F) and average highs of 22°C (72°F). While it is still rainy, July's precipitation is notably lower at 112 mm (4.4 in) over just 15 days, and the humidity soars above 100%, creating a humid atmosphere. For more details on the weather in July, you can check out Sitka weather in July.

April and August showcase distinct contrasts in weather patterns. In April, temperatures range from a chilly minimum of -6°C (21°F) to a maximum of 14°C (57°F), with an average of 4°C (40°F). It's a wet month, experiencing 174 mm (6.9 in) of precipitation over 18 days, accompanied by high humidity at 83%. In contrast, August sees significantly warmer temperatures, with a minimum of 7°C (45°F) and a maximum reaching 25°C (77°F), averaging 13°C (56°F). Precipitation increases slightly to 201 mm (7.9 in) across 20 days, but humidity peaks at a staggering 100%. For a deeper look at what to expect in August, you can check out Sitka weather in August.

April and September present contrasting weather patterns. In April, temperatures range from a minimum of -6°C (21°F) to a maximum of 14°C (57°F), with an average of 4°C (40°F), and the month is marked by significant precipitation of 174 mm (6.9 in) over 18 days, coupled with a humidity level of 83%. In contrast, September features milder temperatures with a minimum of 5°C (42°F), an average of 11°C (52°F), and a maximum of 21°C (70°F). Additionally, it experiences higher precipitation at 224 mm (8.8 in) across 17 days, with humidity levels climbing to 94%. For more detailed insights, visit Sitka weather in September.

April and October both showcase the transition of seasons, but they exhibit distinct weather patterns. In April, temperatures typically range from a chilly -6°C (21°F) to a brisk 14°C (57°F), with an average of 4°C (40°F), while October sees milder conditions, with temperatures fluctuating between -3°C (28°F) and 16°C (60°F), averaging at 7°C (45°F). April experiences significant precipitation, totaling 174 mm (6.9 in) over 18 days, whereas October is wetter, with 276 mm (10.9 in) across 22 days, indicating a shift towards more sustained rainfall. Additionally, humidity levels rise slightly in October to 87%, compared to April’s 83%. For a detailed overview of October weather, you can refer to this Sitka weather in October.

April and November exhibit similar temperature patterns, with both months experiencing a minimum of -6°C (21°F) and an average of around 4°C (40°F). However, November tends to be slightly cooler on average, with a maximum temperature of 12°C (54°F) compared to April's 14°C (57°F). In terms of precipitation, November is significantly wetter, receiving 284 mm (11.2 in) over 23 days, while April sees 174 mm (6.9 in) over 18 days. Humidity levels are quite close, with November at 85% and April at 83%. For more specific details, check out Sitka weather in November.

In comparing the weather of April and December, we observe notable differences in temperature and precipitation patterns. April experiences milder temperatures, with a minimum of -6°C (21°F) and an average of 4°C (40°F), while December is significantly colder, featuring a minimum of -14°C (7°F) and an average of 2°C (36°F). Precipitation is also more abundant in December, totaling 293 mm (11.5 in) over 22 days, compared to April's 174 mm (6.9 in) across 18 days. Furthermore, December's humidity is slightly higher at 87%, compared to 83% in April. For a more detailed understanding, you can check Sitka weather in December.

Compare Sitka's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Sitka

As April unfolds in Sitka, the transition from winter to spring is palpable, bringing milder temperatures and increased precipitation compared to the previous months. Average highs leap towards a comfortable 14°C, while chilly lows remind us that winter isn't completely behind us. With 18 days of rainfall contributing to a significant increase in humidity, the landscape bursts into life, showcasing the beauty of blooming flora amidst the lingering coolness. This month sets the stage for warmer days ahead, making it a unique time to experience Sitka’s vibrant climate. For more detailed insights, explore Sitka Climate.