Last updated: February 24, 2025
In March, Coulee Dam experiences a dynamic weather pattern characterized by a maximum temperature of 18°C (65°F) and a chilly average of 4°C (39°F), dipping to a minimum of -18°C (0°F). This month brings 46 mm (1.8 in) of precipitation spread over 8 days, contributing to an overall humidity of 86%, which often shrouds the region in a damp, chilly atmosphere. The interplay of these conditions creates a unique environment, perfect for those who appreciate the transformative beauty of early spring in the Pacific Northwest.
In March, temperatures in Coulee Dam, United States, begin to show signs of spring, transitioning from the deep chill of winter. With minimums averaging -18°C (0°F) and reaching a comfortable max of 18°C (65°F), the month showcases a range of average temperatures around 4°C (39°F). This notable shift is evident when compared to the frigid averages of January and February, which hover around -2°C (28°F). As the days grow longer and warmer, March heralds the beginning of milder weather, paving the way for April's even warmer and more inviting climate. This gradual climb in temperatures illustrates a clear trend toward rebirth and renewal, inviting both nature and residents to emerge from winter's grasp.
In March, Coulee Dam experiences a slight dip in precipitation, receiving 46 mm (1.8 in) over the course of 8 days. This marks a transition from the heavier rains of January and February, which averaged 67 mm and 47 mm respectively, indicating a gradual reduction in overall moisture as spring approaches. Comparatively, this month sits just above April's 39 mm (1.6 in), suggesting a consistent trend of decreasing rainfall leading into the drier summer months. The pattern of rainfall showcases March as a pivotal point where the region begins to shift toward its more arid months, setting the stage for the dry spell of June and July.
In March, Coulee Dam experiences a humidity level of 86%, maintaining the trend established in January and February. This high humidity suggests a transition as winter gives way to spring, with the moisture levels remaining relatively stable just before a gradual decline in the following months. As the year progresses, April’s drop to 82% marks the beginning of a decrease, continuing through the drier summer months. Notably, the humidity reaches its lowest point in August at 62%, before rising again in the fall. Overall, March serves as a pivotal month, reflecting the peak of humidity before the shift towards the drier conditions typical of summer.
As March unfolds in Coulee Dam, the UV Index registers a moderate value of 5, signaling a shift in sun exposure as winter gives way to spring. Compared to the lower January average of 2, this increase emphasizes the need for caution, particularly as the burn time decreases to 30 minutes. This trend of rising UV levels will continue into April, when the index ramps up to 6. It's clear that as we move through the spring months, sun safety becomes increasingly essential. To stay informed about UV levels throughout the year, visit Coulee Dam UV Index.
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March in Coulee Dam, United States, marks a significant transition toward the vibrant energy of spring, as the region basks in 246 hours of sunshine. This increase in daylight is part of an encouraging trend that begins in January with just 98 hours and steadily rises each month. The sunshine hours more than double from the previous month, reflecting the lengthening days and warming temperatures that herald the end of winter. As we move further into the year, the sunshine continues to climb, peaking in July with 418 hours—a testament to the lush and inviting landscapes that emerge from this gradual accumulation of light. With each passing month, the promise of brighter days becomes increasingly evident, making March an exciting harbinger of the glorious sunshine yet to come.
As March arrives in Coulee Dam, the likelihood of sunny weather notably increases, with a 44% chance of sunshine—a promising sign of the upcoming spring. This marks a significant uptick from the winter months, where January and February linger around 25% and 35% respectively. The trend continues upward into April and May, where sunny days become even more frequent, reaching 56% and 59%. This gradual transition from the gloom of winter to the brightness of spring is not just hopeful; it sets the stage for summer, where the chance of sunshine peaks at an impressive 88% in July. March heralds this shift, suggesting it's time for residents to embrace the outdoors and enjoy the increasing warmth and light.
As March arrives in Coulee Dam, daylight begins to extend, marking a clear transition from the shorter winter days. Emerging from the depths of winter, where January offers just 8 hours of daylight, February sees a modest increase to 10 hours. However, by March, the sun graces the community with 11 hours of light. This steady increase sets the stage for the vibrant spring months ahead, as April will bring a significant leap to 13 hours of daylight. The trend is unmistakable: as the days grow longer and sunlight becomes more abundant, residents can look forward to the warmth and revitalization that spring heralds, culminating in the peak of daylight with 15 hours in May and June. This progression symbolizes not only the change in seasons but also a reawakening of nature, inviting everyone to embrace the longer days ahead.
As March unfolds in Coulee Dam, a gentle whisper of wind sweeps through the landscape, with an average speed of 2.4 m/s (5 mph). This marks a subtle drop from February's breezier 2.7 m/s (6 mph), yet still echoes the region's overall calmness typical for early spring. Interestingly, April and May are poised to bring slightly stronger gusts, with averages climbing to 2.8 m/s (6 mph) and 2.9 m/s (6 mph) respectively. The trend suggests that while March maintains a tranquil atmosphere, nature is gearing up for a more invigorating breeze as the seasons transition. This gentle variability in wind speed not only reflects the region's mild climate but also enhances the serene beauty of Coulee Dam as it awakens from winter’s slumber.
The weather in Coulee Dam 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 Coulee Dam and find detailed weather information for every month.
When comparing the weather in March and January, a notable difference is seen in temperatures. March experiences milder conditions, with average temperatures around 4°C (39°F) and a maximum reaching up to 18°C (65°F). In contrast, January is significantly colder, with average temperatures dropping to -2°C (28°F) and a minimum of -24°C (-11°F). Precipitation levels are also distinct; January receives more rainfall at 67 mm (2.6 in), occurring over 11 days, while March has 46 mm (1.8 in) over 8 days. The humidity remains relatively consistent, with March at 86% and January slightly lower at 85%. For a detailed look at January weather specifics, check out Coulee Dam weather in January.
In comparing the weather between February and March, March displays a notable increase in average temperatures, rising from February's chilly average of -2°C (28°F) to a more moderate 4°C (39°F). While February recorded a minimum of -15°C (4°F) and a maximum of 11°C (53°F), March sees temperatures dip even lower at -18°C (0°F) before reaching a high of 18°C (65°F). Precipitation levels remain quite similar, with February receiving 47 mm (1.9 in) over 9 days and March slightly lower at 46 mm (1.8 in) across 8 days, creating a consistent, damp atmosphere for both months. Notably, humidity levels remain high and steady at 86% for both February and March. For more detailed insights, you can check out the Coulee Dam weather in February.
March and April exhibit noticeable differences in weather patterns, marking a transition from winter to spring. In March, temperatures range from a low of -18°C (0°F) to a high of 18°C (65°F), with an average of 4°C (39°F). The month sees 46 mm (1.8 in) of precipitation over eight days and maintains a high humidity level of 86%. In contrast, April brings milder temperatures, with a minimum of -4°C (26°F), an average of 9°C (48°F), and a maximum reaching 26°C (78°F). Precipitation decreases slightly to 39 mm (1.6 in) over seven days, and humidity levels drop to 82%. For more detailed insights into April's weather, you can visit Coulee Dam weather in April.
In comparing the weather between March and May, we see a notable transition in temperature and humidity. March experiences a wider temperature range, with lows dipping to -18°C (0°F) and highs reaching up to 18°C (65°F), while May enjoys milder conditions, with minimum temperatures of 1°C (34°F) and maximums soaring to 31°C (89°F). Precipitation is relatively similar, with March receiving 46 mm (1.8 in) over 8 days, compared to May's 37 mm (1.4 in) over just 7 days. Additionally, humidity levels drop from 86% in March to a more comfortable 77% in May. For more detailed weather information, you can check Coulee Dam weather in May.
March and June present stark contrasts in weather patterns. In March, temperatures range from a chilling minimum of -18°C (0°F) to a maximum of 18°C (65°F), with an average of 4°C (39°F). The month typically experiences significant precipitation, totaling 46 mm (1.8 in) over 8 days, alongside high humidity at 86%. In contrast, June boasts a much warmer climate, with minimum temperatures at 6°C (43°F), an average of 20°C (68°F), and soaring maximums that can reach up to 43°C (110°F). The month is characterized by significantly lower precipitation, at only 13 mm (0.5 in) over 4 days, and a decrease in humidity to 79%. For a detailed look at the weather specifics in June, you can refer to Coulee Dam weather in June.
March and July present stark contrasts in weather, reflecting the transition from winter to summer. In March, temperatures range from a brisk minimum of -18°C (0°F) to a mild maximum of 18°C (65°F), with an average of 4°C (39°F). The month experiences significant precipitation of 46 mm (1.8 in) over about 8 days, accompanied by high humidity levels at 86%. In contrast, July boasts much warmer conditions, with temperatures ranging from a comfortable minimum of 11°C (51°F) to a sweltering maximum of 41°C (107°F), averaging 24°C (75°F). This month is notably drier, with only 4 mm (0.1 in) of precipitation occurring over just 1 day, and humidity levels drop to a more pleasant 77%. For more detailed information, you can check Coulee Dam weather in July.
March and August offer contrasting weather conditions. In March, temperatures can dip as low as -18°C (0°F), with an average of 4°C (39°F) and a maximum of 18°C (65°F). The month is relatively wet, with 46 mm (1.8 inches) of precipitation spread over 8 days, and a high humidity level of 86%. In stark contrast, August experiences much warmer temperatures, with a minimum of 8°C (46°F), an average of 23°C (74°F), and a maximum reaching 39°C (102°F). Additionally, August is much drier, receiving only 8 mm (0.3 inches) of precipitation over just 2 days and with a lower humidity of 62%. For more detailed information on August weather, you can check Coulee Dam weather in August.
March and September present distinctly different weather patterns. In March, temperatures can dip to as low as -18°C (0°F), with an average of 4°C (39°F), while September offers a much milder experience, with temperatures ranging from a minimum of 2°C (36°F) to a comfortable average of 17°C (62°F). Precipitation is more frequent in March, totaling 46 mm (1.8 in) over about 8 days, compared to September's lighter rainfall of 24 mm (1.0 in) spread over just 3 days. The humidity in March is also notably higher at 86%, whereas September enjoys a lower humidity level of 60%, making the latter feel more pleasant overall. For more details, check out Coulee Dam weather in September.
March and October present distinct weather profiles, showcasing the transition between winter and autumn. In March, temperatures range from a chilly minimum of -18°C (0°F) to a milder maximum of 18°C (65°F), with an average of 4°C (39°F). The month experiences about 46 mm (1.8 in) of precipitation over approximately 8 days, accompanied by high humidity at 86%. In contrast, October offers a more moderate climate, with temperatures varying from -7°C (20°F) to a maximum of 26°C (78°F) and an average of 8°C (48°F). The precipitation is slightly lower at 42 mm (1.7 in), falling on around 7 days, and the humidity decreases to 80%. For a specific look at how these conditions manifest in a particular region, check out Coulee Dam weather in October.
When comparing the weather in March and November, we see notable differences in temperature and precipitation. March experiences a wider temperature range with minimums dropping to -18°C (0°F) and maximums reaching up to 18°C (65°F), while November has milder extremes with a minimum of -9°C (16°F) and a maximum of 16°C (60°F). Precipitation is slightly more pronounced in November, with 51 mm (2.0 in) over 11 days compared to March's 46 mm (1.8 in) across 8 days. Humidity levels are similar in both months, hovering around 86% in March and 87% in November. For more detailed insights on November conditions, check out Coulee Dam weather in November.
March and December present contrasting yet similarly frigid weather patterns. March experiences a wider range of temperatures, from a minimum of -18°C (0°F) to a maximum of 18°C (65°F), with an average temperature of 4°C (39°F). In contrast, December remains consistently colder, recording a minimum of -19°C (-2°F) and an average of -2°C (29°F). Precipitation is slightly higher in December, with 57 mm (2.2 in) over 11 days compared to March's 46 mm (1.8 in) over 8 days. Both months share similar humidity levels at 86%, creating a damp chill that permeates the air. For a more detailed look at December weather, you can check Coulee Dam weather in December.
As March rolls in, Coulee Dam experiences a notable transition in weather compared to the chill of winter months. With an average temperature hovering around 4°C (39°F), the crisp air hints at the arrival of spring. While chilly nights can still plunge the mercury to -18°C (0°F), daytime highs can reach a pleasant 18°C (65°F), offering a refreshing change. Although March sees a decent amount of precipitation, it’s generally less than the soggier months ahead, with about 46 mm (1.8 in) spread over 8 days. With humidity levels at a steady 86%, the air feels moist, contributing to the awakening of nature. For a deeper dive into the annual weather patterns, explore more at Coulee Dam Climate.