March Weather in Ketchikan, United States

Last updated: February 24, 2025

In March, Ketchikan, United States experiences a dynamic transition from the grip of winter to the early whispers of spring. Average temperatures hover around 4°C (39°F), with a peak of 14°C (57°F) on warmer days and a chilling low of -4°C (25°F) during the night. The month is marked by significant precipitation, totaling 221 mm (8.7 in) over 19 days, leading to a notably high humidity level of 84%. This unique blend of cool temperatures and ample rain creates a vibrant, lush environment, offering a glimpse into the region's breathtaking natural beauty through its emerging spring foliage.

March Temperature in Ketchikan

In March, Ketchikan experiences a notable shift in temperatures as winter begins to give way to spring. The minimum temperature rises to -4°C (25°F), compared to the harsher lows of -10°C (15°F) seen in the earlier months. This transition is accompanied by an average temperature of 4°C (39°F), providing a refreshing change from the chilly winter months. The highs reach a pleasant 14°C (57°F), marking the first signs of warmth that hint at the upcoming spring bloom. As the days grow longer and milder, Ketchikan invites both locals and visitors to enjoy its stunning natural beauty, making March a charming month of transition where the chill begins to fade and the promise of renewal emerges.

March Weather in Ketchikan: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Ketchikan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec373538424852575854474238
Data source: Temperature data for Ketchikan 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.

March Precipitation in Ketchikan

March in Ketchikan marks a transitional phase as winter begins to give way to spring, characterized by 221 mm (8.7 in) of precipitation over 19 days. This amount reflects a slight uptick from February's 168 mm (6.6 in), signaling a return to wetter conditions. As the month unfolds, the consistent rainfall plays a crucial role in replenishing local ecosystems and setting the stage for the burgeoning growth of spring. Interestingly, this trend of increasing precipitation continues into April with 218 mm (8.6 in) expected, hinting at Ketchikan's dynamic weather patterns. The overall pattern reveals a gradual escalation in rainfall as winter yields to warmer months, making March a pivotal time for both the climate and the flora in this beautiful coastal city.

March Precipitation Trends in Ketchikan

The chart displays monthly precipitation patterns in Ketchikan, with values for each month alongside March's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec306168221218141216162302302331410345
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

March Humidity in Ketchikan

As March unfolds in Ketchikan, United States, the humidity subtly dips to 84%, marking a slight decrease from the previous months. This trend is in line with a gradual decline seen from January's high of 86%, through February's 85%. While the moisture levels begin to lessen as spring approaches, the climate remains distinctly humid, with higher levels returning by summer. Notably, the air becomes increasingly thick by mid-year, peaking at 90% in July and reaching 92% in both August and September. As the year unfolds, Ketchikan’s characteristic humidity weaves a tapestry of moisture that reflects the region's lush, vibrant ecosystem.

March Average Humidity in Ketchikan

This chart illustrates the average monthly humidity levels in Ketchikan, with March's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how March's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%84%85%81%81%90%92%92%91%87%87%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Ketchikan

As March unfolds in Ketchikan, the UV Index climbs to 3, indicating a moderate exposure category and a shorter burn time of 30 minutes. This marks a notable increase from the low levels of January and February, which had indices of 1 and 2, respectively. The gradual rise in UV radiation hints at the approaching spring, encouraging residents and visitors alike to take care in the sun. While you may still enjoy outdoor activities, it’s wise to begin incorporating sun protection as levels ramp up, paving the way for even higher indices in the coming months. For more details on how UV levels change throughout the year, check out Ketchikan UV Index.

Maximum UV Index Levels in Ketchikan for March

The chart shows the monthly maximum UV Index (UVI) for Ketchikan in March, 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.
JanFebMarAprMayJunJulAugSepOctNovDec123567875311
Data source: Ketchikan March 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.

March Sunshine in Ketchikan

March in Ketchikan witnesses a significant surge in sunshine, a welcome transition from the gloom of winter. With 174 hours of sunlight, it marks a substantial increase from February’s 128 hours, hinting at the gradual arrival of spring. This trend continues into April, when the sun graces residents with 216 hours, slowly extending the daylight and enhancing the natural beauty of the region. As the months progress toward summer, the hours of sunshine will peak in July, reaching a vibrant 248 hours. This upward trajectory not only revitalizes the landscape but also uplifts spirits, making March a pivotal month that bridges the cold, dark winter with the bright, promising days ahead.

Monthly Sunshine Duration in Ketchikan: March Highlighted

The March sunshine duration represents the total number of hours Ketchikan experiences direct sunlight during the month of March, excluding cloudy or obstructed periods. This chart compares the sunshine duration of March with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec48h128h174h216h245h232h248h224h184h132h70h63h
Data source: Ketchikan March Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Ketchikan During March

In Ketchikan, March presents a modest 18% chance of sunny weather, marking a slight decline from February’s 28%. This dip is part of a broader trend seen as winter transitions to spring, where sunny days remain elusive. While April offers a promising upturn with a 41% chance of sunshine, March conditions often hinge on lingering winter clouds, creating a mix of both gray skies and the early hints of brighter days ahead. This fluctuating pattern underscores the unpredictability of Ketchikan's weather as it evolves into the livelier months of spring.

Percentage of Sunny Days in March in Ketchikan

The chart illustrates the percentage of sunny days in Ketchikan throughout the year, with March 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 Ketchikan experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec20%28%18%41%15%27%27%31%10%22%17%38%
Data source: Ketchikan March chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Ketchikan in March

As March unfolds in Ketchikan, daylight begins to reclaim the skies, gradually stretching from 9 hours in February to a refreshing 11 hours by the end of the month. This steady increase heralds the imminent arrival of spring, signaling the transition from the shorter, dimmer days of winter to the sun-soaked months ahead. With each passing week, residents can enjoy renewed energy and opportunities to explore the stunning natural beauty that surrounds them. As the days grow longer, the promise of 14 hours of daylight in April looms on the horizon, inviting both locals and visitors to embrace the vibrant life of Ketchikan during its most luminous season.

Average Daylight Hours in Ketchikan for March

The chart illustrates the variation in daylight duration in Ketchikan throughout the year, with March highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 48m9h 40m11h 55m14h 13m16h 15m17h 20m16h 43m14h 51m12h 38m10h 21m8h 17m7h 10m
Data source: Ketchikan daylight hours, calculated by summing the hours between sunrise and sunset for each day.

March Winds in Ketchikan

In Ketchikan, March brings a notable decline in wind speed, averaging 6.1 m/s (14 mph), slightly lower than February’s 6.4 m/s (14 mph). This pattern signals the onset of spring, hinting at calmer maritime days ahead as the region transitions from winter’s brisk breezes. As the month unfolds, winds gradually lessen further into April, where they drop to 4.4 m/s (10 mph), mirroring the tranquil atmosphere typically associated with the season. Interestingly, while March's winds may be gentler than those of earlier months, they still echo the robust energy of Ketchikan’s coastal climate. Observing the overall trend, it becomes clear that the harshest winds are behind, replaced by the softening whispers of spring's arrival.

Average March Wind Speed in Ketchikan

The chart displays monthly wind speed patterns in Ketchikan, with values for each month shown alongside March's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how March's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec8.06.46.1 m/s4.44.44.83.74.66.16.87.35.4
Data source: Ketchikan March wind data, generated using information from the Copernicus Climate Change Service.

How March Weather in Ketchikan Compares to Other Months

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

When comparing the weather in March and January, several notable differences arise. March generally experiences milder temperatures, with an average of 4°C (39°F), compared to January's cooler average of 3°C (37°F). The minimum temperatures in March are also less severe, dipping to -4°C (25°F) versus January's -10°C (15°F). Although March sees less precipitation overall, with 221 mm (8.7 in) over 19 days, it is still quite damp, while January has 306 mm (12.1 in) over 18 days. Interestingly, humidity levels remain quite similar between the two months, with March at 84% and January at 86%. For more details on January weather, check out Ketchikan weather in January.

March in Ketchikan experiences a slight increase in temperature compared to February, with minimums of -4°C (25°F) and an average of 4°C (39°F), compared to February's minimum of -10°C (15°F) and average of 2°C (36°F). The maximum temperatures in March also reach 14°C (57°F), significantly higher than February's peak of 8°C (47°F). Additionally, March has more precipitation at 221 mm (8.7 in) over 19 days, compared to February's 168 mm (6.6 in) over 14 days. Humidity remains similar, hovering around 84% in March and 85% in February. For a more detailed look at February's weather, visit Ketchikan weather in February.

March and April display a gradual transition in weather patterns, although both months experience similar temperature ranges. In March, temperatures dip from a minimum of -4°C (25°F) to a maximum of 14°C (57°F), with an average temperature of 4°C (39°F). April, on the other hand, sees slightly warmer conditions, with minimum temperatures at 0°C (32°F) and an average of 6°C (43°F), while still maxing out at 14°C (57°F). Precipitation is prevalent in both months, with March receiving 221 mm (8.7 in) over 19 days and April closely following with 218 mm (8.6 in) over 16 days. Humidity levels remain high, increasing slightly from 84% in March to 85% in April. For more details, you can check out the Ketchikan weather in April.

In Ketchikan, March weather features cold temperatures, with a minimum of -4°C (25°F) and an average of 4°C (39°F), peaking at a chilly 14°C (57°F). The month is also marked by significant precipitation, totaling 221 mm (8.7 in) over 19 days, coupled with high humidity at 84%. In contrast, May brings a noticeable warming trend, with temperatures starting at 4°C (40°F) and averaging 9°C (48°F), reaching a maximum of 18°C (65°F). Precipitation decreases to 141 mm (5.6 in) over just 15 days, and humidity is slightly lower at 81%. For more specific details, you can explore Ketchikan weather in May.

In March, the weather is much cooler, with average temperatures ranging from a chilly -4°C (25°F) to a maximum of 14°C (57°F). It experiences significant precipitation, totaling 221 mm (8.7 in) over 19 days, coupled with high humidity at 84%. In contrast, June brings milder temperatures, with a minimum of 7°C (44°F) and a comfortable maximum of 22°C (72°F), creating a more pleasant atmosphere for outdoor activities. The rainfall remains similar, with 216 mm (8.5 in) over just 18 days, and slightly lower humidity at 81%. To explore the specific conditions for June, you can check out Ketchikan weather in June.

March in Ketchikan features a chilly climate, with temperatures ranging from a minimum of -4°C (25°F) to a maximum of 14°C (57°F), and an average of 4°C (39°F). Alongside these low temperatures, March experiences significant precipitation totaling 221 mm (8.7 in) over 19 days, coupled with high humidity at 84%. In contrast, July showcases a much milder atmosphere, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 22°C (71°F) and an average of 14°C (57°F). July also sees reduced precipitation, totaling 162 mm (6.4 in) over 14 days, although humidity levels remain high at 90%. For more detailed information, visit Ketchikan weather in July.

March and August present strikingly different weather conditions. In March, temperatures range from a chilly -4°C (25°F) at night to a mild 14°C (57°F) during the day, with an average temperature of 4°C (39°F). The month is characterized by significant precipitation of 221 mm (8.7 in) over 19 days, accompanied by a relatively high humidity of 84%. In contrast, August offers warmer temperatures, with nighttime lows around 10°C (50°F) and daytime highs reaching up to 22°C (72°F), averaging 14°C (58°F). Precipitation increases to 302 mm (11.9 in) but occurs over just 17 days, while humidity rises slightly to 92%. Such differences highlight the significant seasonal variation in weather patterns. For more detailed insights, you can check Ketchikan weather in August.

In March, the weather is typically chillier, with temperatures ranging from a minimum of -4°C (25°F) to a maximum of 14°C (57°F) and an average of 4°C (39°F). The month is characterized by significant precipitation, totaling 221 mm (8.7 in) over 19 days, and a relatively high humidity level of 84%.

In contrast, September sees milder temperatures, with a minimum of 8°C (46°F) and a maximum of 19°C (67°F), averaging 12°C (55°F). Although it experiences more precipitation at 302 mm (11.9 in) across just 17 days, humidity rises slightly to 92%. For more detailed insights, visit Ketchikan weather in September.

March and October in Ketchikan exhibit notable differences in weather conditions. In March, temperatures range from a chilly minimum of -4°C (25°F) to a maximum of 14°C (57°F), with an average of 4°C (39°F). The month is characterized by significant precipitation, totaling 221 mm (8.7 in) over approximately 19 days, and a humidity level of 84%.

In contrast, October sees a shift in temperatures, with a minimum of 3°C (38°F) and a similar maximum of 14°C (57°F), leading to a slightly higher average of 8°C (47°F). Precipitation increases to 331 mm (13.0 in) over 20 days, coupled with a higher humidity of 91%. This comparison highlights October's wetter and more humid conditions, making it a distinctly different experience from March. For more details, check out Ketchikan weather in October.

In comparing the weather between March and November, March typically experiences slightly cooler temperatures, with averages around 4°C (39°F), while November sees a mild average of 6°C (43°F). Precipitation levels are notably higher in November, reaching 410 mm (16.1 in) over 23 days, compared to March’s 221 mm (8.7 in) spread across 19 days. Humidity is also slightly elevated in November at 87%, versus 84% in March, contributing to a damp atmosphere as the year draws to a close. For a more detailed look at November weather patterns, visit Ketchikan weather in November.

March and December weather in Ketchikan show notable differences in temperature and precipitation patterns. In March, temperatures range from a minimum of -4°C (25°F) to a maximum of 14°C (57°F), with an average of 4°C (39°F). The month experiences significant rainfall, totaling 221 mm (8.7 in) over approximately 19 days, coupled with a humidity level of 84%. In contrast, December sees colder temperatures, with a minimum of -10°C (15°F) and a maximum of 9°C (49°F), averaging around 3°C (38°F). It also experiences higher precipitation, amounting to 345 mm (13.6 in) across 21 days, alongside increased humidity at 87%. For more details on December weather, you can visit Ketchikan weather in December.

Compare Ketchikan's Climate with Cities Worldwide

Conclusion: What to Expect From March Weather in Ketchikan

As March unfolds in Ketchikan, the weather transitions towards milder temperatures, making it a noteworthy month compared to the winter chill of earlier months. With an average temperature climbing to a comfortable 4°C, residents and visitors alike can finally feel the promise of spring, despite the lingering winter vibes that bring a fair share of rain. This month typically experiences significant precipitation, with many gray, drizzly days adding to the area's lush landscape, yet the warmer highs of 14°C signal an impending change. Humidity remains high at 84%, ensuring that the air feels cooler and more brisk. For those eager to understand how Ketchikan's climate evolves, delve deeper into this transformation at Ketchikan Climate.