Last updated: February 24, 2025
October in Annapolis, United States brings a beautiful transition into fall, characterized by average temperatures around 17°C (64°F). Daily highs can peak at a warm 32°C (90°F), while nighttime lows cool down to about 5°C (41°F). This month experiences approximately 127 mm (5.0 in) of rainfall over 10 days, contributing to the region's 81% humidity level. Whether you're enjoying the crisp autumn air or the vibrant foliage, October is a captivating time in Annapolis that blends warmth and the onset of seasonal change.
As October rolls into Annapolis, the city experiences a delightful shift in temperatures, marking the transition from the warmth of summer to the crispness of fall. With minimums around 5°C (41°F) and maximums reaching 32°C (90°F), October enjoys a comfortable average of 17°C (64°F), making it a perfect time for outdoor activities amid the changing foliage. This month stands out as a bridge between the lingering warmth of September and the cooler November days, highlighting the region's diverse climate. The remarkable range is not only inviting for seasonal enthusiasts but also beckons locals and visitors alike to savor the beauty of autumn in this historic city.
In October, Annapolis experiences a notable shift in precipitation, with an average of 127 mm (5.0 in) of rain spread over 10 days. This represents a slight increase compared to September's 113 mm (4.5 in) during the same number of precipitation days. The month marks a transitional phase as autumn takes hold, often bringing cooler temperatures and the last bursts of late-season rain. This pattern continues the trend observed from the summer months, where rainfall peaked in July at 174 mm (6.9 in) and gradually tapered off. As October progresses, it paves the way for drier conditions in November, which averages just 86 mm (3.4 in), allowing residents to enjoy the fall foliage without the worry of excessive rainfall.
October in Annapolis brings a moderate humidity level of 81%, which is a slight uptick from the drier summer months of July and August, where averages dipped to 74% and 72%, respectively. This increase signals a transition into the fall season, as humidity begins to rise again, aligning more closely with the higher levels observed in early spring and late fall. As temperatures start to cool, the air retains a bit more moisture, reminding residents that while summer's stickiness passes, the embrace of crisp autumn is accompanied by a hint of the humidity that will linger through the winter months ahead. Overall, October’s humidity reflects a blend of the sweltering summer's end and the impending winter's chill, offering a refreshing yet humid atmosphere for those enjoying the fall foliage.
In October, Annapolis sees a UV Index of 7, categorizing it as a high exposure month, which necessitates caution for sun enthusiasts. As autumn approaches, the UV Index begins to taper off from the very high levels experienced during the summer months, where it peaked at 10 in June, July, and May. With a burn time of just 25 minutes this month, it's clear that even as rays soften, protective measures remain essential for skin health. As the season changes, staying informed about the UV Index can help residents enjoy the outdoors safely. For more detailed insights, check out Annapolis UV Index.
UV Risk Categories
As October arrives in Annapolis, the city basks in 250 hours of sunshine, continuing a trend of diminishing daylight as the year progresses. This month showcases a notable drop from the sun-drenched summer peak of 359 hours in July, representing the height of warm, vibrant days. However, October still shines brighter than the drizzly November and December, which see significant reductions to 226 hours and 190 hours, respectively. The mild autumn air invites residents and visitors alike to embrace the beauty of changing leaves and crisp evenings, all while enjoying a generous amount of sun before winter settles in.
In Annapolis, the likelihood of sunny weather in October stands at 42%, reflecting a moderate chance for clear skies as autumn settles in. This percentage aligns closely with the trends seen in the preceding summer months, where July peaks at 51% and August drops to 35%. As fall progresses, the sunny days become less common compared to the late summer but are still more favorable than the winter months ahead. Interestingly, the transition into November shows a slight uptick to 56%, suggesting that as the season shifts, there remains a chance for pleasant afternoons before the chill fully takes hold. Overall, while October offers a decent opportunity for sun, the approach of winter primes Annapolis for a diverse range of weather conditions.
As October rolls into Annapolis, the signs of autumn become more pronounced, and daylight hours begin to taper off, offering approximately 11 hours of sunlight. This marks a gentle transition from the peak brightness of summer, where daylight peaks at 14 hours in June and remains robust in July and August. In September, there’s already a subtle drop to 12 hours, suggesting the impending shorter days. By the time we reach October, daylight starts to feel a bit more fleeting, hinting at the cozy indoor months ahead. As we navigate through the year, it's clear that the daylight in Annapolis gracefully ebbs from winter’s meager 9 hours in January to a lively 14 hours during the summer, creating a rhythm that embraces the changing seasons beautifully.
As October unfolds in Annapolis, the winds begin to shift, with average speeds reaching 3.8 m/s (8 mph). This slight increase from the summer lull, where winds dipped to a gentle 2.7 m/s (6 mph) in August, signals the onset of autumn. Comparatively, October's breezes are brisker than the previous months, bringing a refreshing change that's characteristic of the season. Interestingly, as the year progresses, there's a noticeable resurgence in wind speed starting in September, hinting at the energetic transition into cooler weather. As November approaches, wind speeds are expected to rise further, illustrating a trend of invigorating autumn gales that are perfect for sailing enthusiasts and those who revel in the vibrant fall atmosphere of the Chesapeake Bay.
The weather in Annapolis changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of October's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Annapolis and find detailed weather information for every month.
In October, the weather is noticeably warmer, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 32°C (90°F), and an average temperature of 17°C (64°F). This month also sees higher precipitation levels, totaling 127 mm (5.0 in) over approximately 10 days, combined with a relatively high humidity of 81%. In contrast, January brings much colder conditions, with temperatures plummeting to a minimum of -13°C (10°F) and an average temperature of 3°C (37°F), peaking at a maximum of 17°C (63°F). Precipitation during this winter month is lower at 70 mm (2.7 in) over 8 days, with a slightly higher humidity of 84%. For more detailed information, you can check Annapolis weather in January.
October and February present stark contrasts in weather conditions. October enjoys milder temperatures, with averages around 17°C (64°F) and highs reaching up to 32°C (90°F), while February experiences much colder weather, featuring an average temperature of 5°C (40°F) and a frigid minimum of -13°C (10°F). Both months see significant precipitation, with October slightly wetter at 127 mm (5.0 in) compared to February's 116 mm (4.6 in). Humidity levels are relatively high in both months, with October at 81% and February at 83%, but the overall feel of the months varies greatly, with October showcasing warmth and autumnal colors, while February poses a chill that heralds winter. For more detailed insights on the weather during this cold month, check out Annapolis weather in February.
When comparing the weather of October and March, some notable differences emerge. October boasts a wide temperature range, with minimums around 5°C (41°F) and maximums reaching up to 32°C (90°F), contributing to an average temperature of 17°C (64°F). In contrast, March experiences colder temperatures, ranging from a minimum of -5°C (23°F) to a maximum of 24°C (76°F), leading to a much cooler average of 8°C (46°F). Both months see about 10 days of precipitation, but October receives more rainfall with 127 mm (5.0 in) compared to March's 95 mm (3.7 in). Humidity levels are fairly similar, with October at 81% and March slightly higher at 83%. For a more detailed look at March weather, you can check Annapolis weather in March.
When comparing the weather in October to that of April, notable differences can be observed in temperatures and precipitation patterns. October enjoys warmer conditions, with average temperatures ranging from a minimum of 5°C (41°F) to a maximum of 32°C (90°F), while April experiences cooler temperatures, with a minimum of 1°C (33°F) and a maximum of 27°C (82°F). Precipitation levels in October are slightly higher at 127 mm (5.0 in) over about 10 days, compared to April's 110 mm (4.3 in) spread out over 11 days. Both months share the same humidity level of 81%, contributing to a damp atmosphere. For more detailed information, you can check Annapolis weather in April.
October and May in Annapolis showcase similar temperature ranges, with October featuring a minimum of 5°C (41°F) and an average of 17°C (64°F), while May has a slightly lower minimum of 4°C (39°F) and an average of 18°C (65°F). The maximum temperatures are almost identical, peaking at 32°C (90°F) in October and 31°C (88°F) in May. Precipitation is a bit higher in May, with 138 mm (5.4 in) over 13 days compared to October's 127 mm (5.0 in) over 10 days. Humidity levels are also comparable, with October sitting at 81% and May slightly lower at 78%. For more information on the weather patterns, check out Annapolis weather in May.
In comparing the weather of October and June, we see notable differences in temperature and precipitation. October experiences a wider temperature range with minimums dropping to 5°C (41°F) and an average of 17°C (64°F), while June maintains milder temperatures with a minimum of 12°C (53°F) and an average of 24°C (75°F). Both months can reach similar maximum temperatures, peaking at 32°C (90°F) in October and 32°C (91°F) in June. Precipitation is somewhat higher in October with 127 mm (5.0 in) over 10 days compared to June’s 102 mm (4.0 in) across 13 days, resulting in a slightly more humid October at 81% versus June's 79%. For more detailed insights, you can check out Annapolis weather in June.
When comparing the weather in October and July, we see marked differences in temperature and precipitation. October generally experiences a milder climate, with average temperatures ranging from a minimum of 5°C (41°F) to a maximum of 32°C (90°F), while July is warmer, boasting an average temperature between 19°C (66°F) and 35°C (95°F). Rainfall is also more prevalent in July with a total of 174 mm (6.9 in) over 14 days compared to October's 127 mm (5.0 in) over 10 days. Humidity levels are higher in October at 81%, compared to July's 74%, contributing to a different feel in the air. For more details on the summer climate, visit Annapolis weather in July.
When comparing the weather in October to August, there are notable differences in temperature and precipitation. October experiences a wider temperature range, with minimums dropping to 5°C (41°F) and averages around 17°C (64°F), while August maintains milder conditions with minimums at 17°C (63°F) and average temperatures of 26°C (78°F). Precipitation levels in October are slightly lower than in August, with 127 mm (5.0 in) over about 10 days compared to August's 159 mm (6.3 in) over 15 days. Additionally, October is more humid, averaging 81% humidity compared to August's 72%. For more details on the weather specific to August, you can visit Annapolis weather in August.
In comparing the weather of October and September, October brings a cooler ambiance with minimum temperatures dropping to 5°C (41°F) compared to the milder minimum of 11°C (52°F) in September. The average temperature in October is also lower at 17°C (64°F), in contrast to September's 23°C (73°F). While both months experience the same maximum temperature of 32°C (90°F), October sees slightly higher precipitation levels at 127 mm (5.0 in) over 10 days, versus September's 113 mm (4.5 in). Additionally, October has a higher humidity level of 81%, compared to September's 75%. For a more detailed overview of September’s climate, you can check out Annapolis weather in September.
October typically offers a wider range of temperatures, with a maximum of 32°C (90°F) and an average of 17°C (64°F), while November sees cooler conditions, where the maximum temperature drops to 24°C (75°F) and the average falls to 9°C (49°F). Precipitation decreases from 127 mm (5.0 in) over 10 days in October to 86 mm (3.4 in) across 8 days in November, indicating a shift toward more stable weather patterns. Although humidity remains relatively high in both months, slightly increasing in November to 85% compared to October's 81%, the overall climate transition marks the shift from the warm autumn of October to the chillier late-fall days typical in November. For more detailed insights into the conditions you might expect, check out Annapolis weather in November.
October and December exhibit notable contrasts in weather patterns. In October, temperatures can range significantly, with a minimum of 5°C (41°F) and a maximum of 32°C (90°F), resulting in a mild average of 17°C (64°F). The month also experiences considerable rainfall, with 127 mm (5.0 in) recorded over approximately 10 days, while humidity levels sit at 81%. In contrast, December brings a much cooler climate, where temperatures drop to a minimum of -8°C (17°F) and reach a maximum of 18°C (65°F), yielding an average of just 5°C (42°F). Precipitation decreases slightly to 109 mm (4.3 in) over the same number of rainy days, but humidity rises to 84%. For more detailed information, check out Annapolis weather in December.
As October unfolds in Annapolis, the weather presents a distinctive charm that sets it apart from the warmer summer months. With an average temperature dipping to a refreshing 17°C (64°F), the crisp autumn air becomes a welcome respite from the heat. Although the temperatures can reach a maximum of 32°C (90°F) on the warmer days, the nights often cool down significantly, inviting cozy layers. Rainfall is more frequent with approximately 127 mm over 10 days, adding a lush vibrancy to the fall scenery. Overall, the heightened humidity at 81% can create a refreshing yet brisk atmosphere, perfect for enjoying outdoor activities amidst the vibrant fall foliage. For more insights into the seasonal nuances of this picturesque city, check out Annapolis Climate.