April Weather in Olympia, United States

Last updated: February 24, 2025

April in Olympia, Washington is a transitional month characterized by a mix of mild temperatures and frequent rain. With maximum temperatures peaking at 25°C (78°F) and an average of 10°C (50°F), the weather can be quite pleasant, although the nights can turn chilly, dipping to a minimum of -1°C (31°F). Rainfall is significant, with 117 mm (4.6 in) spread over approximately 14 days, leading to an average humidity of 83%. This blend of factors creates a vibrant but damp environment, making April a time of renewal, as nature awakens in colorful splendor throughout the region.

April Temperature in Olympia

April in Olympia, United States, marks a delightful transition into spring, with temperatures rising significantly compared to the earlier months of the year. The minimum temperature hovers around -1°C (31°F), while the average climbs to a pleasant 10°C (50°F), and the maximum can reach a sunny 25°C (78°F). This upward trend signifies not only the retreat of winter's chill but also hints at the warmth of summer on the horizon. As the days lengthen and the weather warms, April encourages outdoor activities, making it a perfect time for residents and visitors alike to embrace the blooming beauty of the season. Overall, Olympia's April weather provides a refreshing taste of spring's promise, inviting everyone to step outside and enjoy the emerging landscapes.

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

The chart illustrates April temperature patterns in Olympia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec424145505661656661524641
Data source: Temperature data for Olympia 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 Olympia

April in Olympia signals a subtle shift in the spring weather pattern, characterized by 117 mm (4.6 inches) of rainfall over 14 days. While this represents a decrease from the preceding months—January's hefty 197 mm and February's 155 mm—April's precipitation still plays a crucial role in nurturing the region's lush landscapes. This month marks a transition as the city approaches drier conditions in May, where average rainfall drops to 65 mm (2.6 inches) with fewer rainy days. The steady decline in precipitation from the wet winter months suggests a gradual move towards the sun-soaked days of summer, yet April remains a vital period for replenishing local ecosystems, setting the stage for a vibrant spring flourish.

April Precipitation Trends in Olympia

The chart displays monthly precipitation patterns in Olympia, 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.
JanFebMarAprMayJunJulAugSepOctNovDec197155134117655191288134192203
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

April Humidity in Olympia

In April, Olympia, United States, experiences a slight dip in humidity, dropping to 83% compared to the preceding months. This change is part of a gradual trend that sees humidity levels begin to recede after the winter months, where January and February recorded higher averages of 86% and 84% respectively. As spring advances, April's humidity levels contribute to a more comfortable climate, setting the stage for the warmer, drier months ahead. Interestingly, this month maintains a balance, still higher than the summer lows of 82% in July and notably lower than the winter peaks, indicating a shift towards drier conditions that characterize the upcoming seasons.

April Average Humidity in Olympia

This chart illustrates the average monthly humidity levels in Olympia, 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.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%85%83%84%84%82%73%74%83%86%87%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Olympia

As April arrives in Olympia, the UV Index escalates to 6, signaling a shift to the high exposure category with a burn time of just 25 minutes. This increase from March's moderate level underscores the transition into sunnier days, as sunlight becomes more intense and frequent. Compared to the lower UV levels earlier in the year, residents and visitors should be more cautious, using sunscreen and protective clothing to guard against potential overexposure. As we move through spring, it's essential to stay informed about your local UV Index to ensure safe outdoor activities. For more details, explore the Olympia UV Index.

Maximum UV Index Levels in Olympia for April

The chart shows the monthly maximum UV Index (UVI) for Olympia 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.
JanFebMarAprMayJunJulAugSepOctNovDec235689987532
Data source: Olympia 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 Olympia

April in Olympia heralds a delightful increase in sunshine, with 231 hours of bright, sunny days lighting up the landscape. This marks a notable rise from 209 hours in March, signaling the full embrace of spring as residents shake off the lingering chill of winter. As the month progresses, the trend continues toward longer daylight, paving the way for an impressive 300 hours in May and reaching a peak of 362 hours in July. This upward trajectory not only enhances the vibrancy of the region but also invigorates outdoor activities and community events. April shines as a pivotal point that ushers in the warmer months, inviting everyone to bask in the growing embrace of sunshine.

Monthly Sunshine Duration in Olympia: April Highlighted

The April sunshine duration represents the total number of hours Olympia 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.
JanFebMarAprMayJunJulAugSepOctNovDec83h129h209h231h300h318h362h330h257h199h121h97h
Data source: Olympia April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Olympia During April

As spring unfolds in Olympia, the likelihood of sunny weather significantly increases in April, with a 47% chance of sunshine—a noticeable jump from the 31% recorded in March. This upward trend continues into the summer months, peaking in July at 60%, before gradually tapering off again in August and September. The shift from winter to spring heralds a welcome transition for residents and visitors alike, as April represents a pivotal moment when the dreary overcast skies of winter begin to give way to brighter days, offering a refreshing glimpse of the vibrant season ahead. With each passing month, Olympia's embrace of sunshine becomes more pronounced, inviting outdoor activities and a renewed appreciation for nature’s beauty.

Percentage of Sunny Days in April in Olympia

The chart illustrates the percentage of sunny days in Olympia 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 Olympia experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec13%20%31%47%34%54%60%48%35%23%14%12%
Data source: Olympia April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Olympia in April

As April arrives in Olympia, the days noticeably lengthen, bringing with it an inviting 13 hours of daylight. This shift marks a significant increase from March's 11 hours, highlighting the transition into spring when nature awakens and outdoor activities become more appealing. The trend of gradually lengthening days continues through April and into May, where residents can bask in 15 hours of daylight. This seasonal progression reflects not only the transition from winter's shorter days—averaging a mere 8 hours in January—but also sets the stage for vibrant summer evenings, emphasizing the region's changeable yet captivating light patterns throughout the year.

Average Daylight Hours in Olympia for April

The chart illustrates the variation in daylight duration in Olympia throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 59m10h 18m11h 57m13h 38m15h 5m15h 49m15h 24m14h 6m12h 29m10h 48m9h 19m8h 33m
Data source: Olympia daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Olympia

In April, Olympia experiences a gentle whisper of winds, with an average speed of 2.5 m/s (approximately 6 mph). This figure aligns closely with the wind patterns observed in the surrounding months, notably matching the calm breezes of both January and March. Interestingly, April stands out as a transitional period where wind speeds dip slightly from the 3.4 m/s of February, hinting at a serene approach to spring. As the month unfolds, residents enjoy a typical Pacific Northwest atmosphere, where mild winds meander through blooming landscapes, perfectly complementing the region's burgeoning vitality. As we look ahead, May and June promise to maintain this tranquil pace, allowing Olympia to bask in the soft embrace of coastal breezes.

Average April Wind Speed in Olympia

The chart displays monthly wind speed patterns in Olympia, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.63.42.62.5 m/s2.52.42.42.72.52.83.13.2
Data source: Olympia April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Olympia Compares to Other Months

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

April weather significantly differs from January's, showcasing a warmer and more variable climate. While January features a colder average temperature of 5°C (42°F), with lows reaching -6°C (21°F) and highs only at 14°C (57°F), April enjoys a milder average of 10°C (50°F), with temperatures ranging from -1°C (31°F) to a pleasant 25°C (78°F). Precipitation is also noteworthy; January receives more rain (197 mm or 7.8 in) over 16 days, compared to April’s 117 mm (4.6 in) across 14 days. Interestingly, humidity remains relatively high in both months, with April at 83% and January slightly higher at 86%. For more detailed weather specifics, you can check Olympia weather in January.

When comparing the weather in April and February, several key differences emerge. April enjoys a wider temperature range, with minimums around -1°C (31°F) and maximums reaching 25°C (78°F), while February's temperatures generally hover between -5°C (23°F) and 14°C (58°F). This results in April being noticeably warmer, with an average temperature of 10°C (50°F) compared to February's average of 5°C (41°F). However, February experiences slightly more precipitation at 155 mm (6.1 in) over 17 days, whereas April has 117 mm (4.6 in) across 14 days. Interestingly, both months have high humidity levels, with April at 83% and February at 84%. For a more detailed look at February weather patterns, check out Olympia weather in February.

April weather shows a noticeable warming trend compared to March, with average temperatures rising from 7°C (45°F) to 10°C (50°F). The maximum temperature in April reaches 25°C (78°F), surpassing March's peak of 22°C (73°F). However, April experiences slightly less precipitation, totaling 117 mm (4.6 in) over 14 days, compared to March's 134 mm (5.3 in) over 16 days. Humidity levels in April hover around 83%, a slight decrease from March's 85%. For more details on March weather, you can check this link: Olympia weather in March.

The weather in April demonstrates a broader temperature range, with minimums dipping to -1°C (31°F) and maximums reaching 25°C (78°F), while May offers a milder climate, featuring minimums of 4°C (40°F) and maximums up to 29°C (85°F). April also experiences significantly more precipitation, totaling 117 mm (4.6 in) over 14 rainy days, compared to May's 65 mm (2.6 in) across just 9 days. Humidity levels remain fairly consistent, with April at 83% and May slightly lower at 84%. For a detailed overview of the weather in May, you can visit Olympia weather in May.

April and June exhibit notable differences in weather conditions. In April, temperatures range from a chilly minimum of -1°C (31°F) to a pleasant maximum of 25°C (78°F), averaging around 10°C (50°F). The month experiences significant precipitation at 117 mm (4.6 in) over 14 days, contributing to a high humidity level of 83%. In contrast, June brings warmer temperatures, with a minimum of 7°C (44°F) and an impressive maximum soaring up to 40°C (104°F), while averaging 16°C (61°F). Rainfall decreases substantially to 51 mm (2.0 in) across just 7 days, with humidity slightly higher at 84%. For a detailed overview of June weather specifics, visit Olympia weather in June.

April weather tends to be quite variable, with temperatures ranging from a chilly -1°C (31°F) at night to a pleasant 25°C (78°F) during the day, and an average of 10°C (50°F). The month is often marked by significant rainfall, totaling 117 mm (4.6 in) over about 14 days, resulting in a high humidity level of 83%. In contrast, July offers much warmer temperatures, with a minimum of 10°C (49°F) and a maximum reaching 33°C (92°F), averaging around 18°C (65°F). Precipitation drops dramatically to just 9 mm (0.4 in) over only 2 days, maintaining a similar humidity level of 82%. For more detailed insights into July weather, visit Olympia weather in July.

April and August present strikingly different weather patterns. In April, temperatures range from a chilly minimum of -1°C (31°F) to a warmer maximum of 25°C (78°F), with an average of 10°C (50°F). The month is characterized by frequent rain, with about 117 mm (4.6 in) of precipitation over 14 days, contributing to a high humidity level of 83%. In contrast, August boasts milder temperatures, starting at a minimum of 9°C (49°F) and reaching up to 34°C (93°F), with an average of 19°C (66°F). Notably, this summer month experiences significantly less rainfall, amounting to only 12 mm (0.5 in) over just 2 days, and a lower humidity level of 73%. For a deeper insight into August weather patterns, check out Olympia weather in August.

April and September exhibit distinct weather characteristics, reflecting the transition between spring and autumn. In April, temperatures range from a chilly minimum of -1°C (31°F) to a pleasant maximum of 25°C (78°F), with an average of around 10°C (50°F). This month also sees considerable precipitation, totaling 117 mm (4.6 in) over 14 days, accompanied by high humidity of 83%. In contrast, September presents a warmer climate with minimum temperatures of 6°C (43°F) and a maximum of 31°C (88°F), averaging 16°C (61°F). Rainfall is less frequent, totaling 88 mm (3.5 in) over 10 days, and the humidity is lower at 74%. For more detailed insights on the September weather, check Olympia weather in September.

April and October present similar weather patterns, but with distinct nuances. In April, temperatures range from a chilly minimum of -1°C (31°F) to a comfortable maximum of 25°C (78°F), averaging around 10°C (50°F). This month sees significant rainfall, accumulating to 117 mm (4.6 in) over approximately 14 days, while humidity remains high at 83%. In contrast, October offers slightly milder temperatures, with a minimum of 1°C (34°F) and a maximum of 24°C (75°F), averaging 11°C (52°F). Precipitation increases to 133 mm (5.3 in) over 12 days, maintaining the same humidity level of 83%. Both months showcase a transition in weather, but October tends to be wetter and more consistent in temperature. For more detailed insights, check out Olympia weather in October.

April and November both experience chilly minimum temperatures, dipping to around -1°C (31°F). However, April generally offers a milder average high of 10°C (50°F) compared to November's cooler 8°C (46°F). The maximum temperatures in April can reach up to 25°C (78°F), making it feel noticeably warmer than November, where highs peak at 17°C (62°F). When it comes to precipitation, November is significantly wetter, with 192 mm (7.5 in) over 17 days, compared to April's 117 mm (4.6 in) across 14 days. Both months have high humidity levels, with November slightly higher at 86% compared to April's 83%. For a detailed look at November weather, check out Olympia weather in November.

April and December present quite contrasting weather conditions. In April, temperatures can range from a chilly -1°C (31°F) at night to a warm 25°C (78°F) during the day, with an average of 10°C (50°F). The month sees about 117 mm (4.6 in) of precipitation over 14 days, accompanied by a humidity level of 83%. In comparison, December is colder, with temperatures ranging from a minimum of -5°C (23°F) to a maximum of 13°C (56°F), averaging 5°C (42°F). It experiences more rainfall, with 203 mm (8.0 in) spread over 18 days and a slightly higher humidity level of 87%. For more details about December weather, you can check Olympia weather in December.

Compare Olympia's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Olympia

As spring unfolds in Olympia, April brings a refreshing change in the weather, marked by mild temperatures and an invigorating embrace of nature. While the days gradually warm up, the nights can still be quite chilly, providing a striking contrast that many residents and visitors enjoy. Expect to experience a mix of occasional rainfall, with roughly half the month witnessing wet days, which contributes to the region's lush greenery. The elevated humidity levels enhance the vibrant atmosphere, making April feel much more alive compared to the colder winter months. For those seeking to understand the full scope of Olympia's climate throughout the year, more insights can be found at Olympia Climate.