October Weather in Merritt Island, United States

Last updated: February 24, 2025

In October, Merritt Island experiences a delightful blend of warm temperatures and refreshing humidity. With maximum highs reaching 30°C (87°F) and a pleasant average of 26°C (78°F), this month offers a comfortable environment for outdoor activities. The minimum temperature can dip to 11°C (52°F), providing crisp mornings and cooler evenings. However, expect to encounter 107 mm (4.2 in) of rainfall over approximately 18 days, contributing to the area's lush landscapes. The average humidity of 81% adds a tropical feel to the atmosphere, making October an intriguing time to explore Merritt Island's natural beauty.

October Temperature in Merritt Island

In October, Merritt Island ushers in a noticeable shift in temperatures as the heat of summer begins to wane. With minimums dipping to 11°C (52°F) and average daily temperatures settling around 26°C (78°F), this month offers a pleasant respite from the sweltering heat of previous months. The highs reach a comfortable 30°C (87°F), making outdoor activities enjoyable without the oppressive humidity often felt in the summer. Compared to September's higher minimum of 23°C (74°F), October’s cooler start leaves room for crisp mornings and balmy afternoons, signaling a transition into the cooler months ahead while still embracing the warmth of a Floridian autumn.

October Weather in Merritt Island: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Merritt Island, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec636769737780818281787166
Data source: Temperature data for Merritt Island generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Merritt Island

October in Merritt Island sees an average precipitation of 107 mm (4.2 in) over approximately 18 days, marking a significant drop from the wet summer months. This month typically maintains a balance between rain and sunny days, providing a refreshing transition into the fall. As the wettest months of August and September recede, October's rainfall, while notable, is much lower than the peaks of summer, reflecting a gradual shift towards drier conditions. This pattern sets the stage for a more moderate November and December, where precipitation further decreases. Overall, October serves as a pivotal month that bridges the heavy rainfall of summer with the drier winter, allowing for a dynamic but manageable climate.

October Precipitation Trends in Merritt Island

The chart displays monthly precipitation patterns in Merritt Island, with values for each month alongside October's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec385225721241641722211891076265
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Merritt Island

In October, Merritt Island experiences a notable humidity level of 81%, slightly lower than the previous month's 83% but in line with the seasonal trend of rising moisture during the fall. As the year progresses, humidity levels in this coastal area exhibit a fluctuating pattern, peaking in the winter months of December and January at 84% and 83%, respectively. This trend showcases a gradual descent from early spring's 75% in March to the summer highs around 79% and 81%, before stabilizing in fall. The slightly elevated October humidity hints at the lingering effects of the warm summer, creating a comfortable yet humid atmosphere ideal for enjoying the beautiful coastal environment.

October Average Humidity in Merritt Island

This chart illustrates the average monthly humidity levels in Merritt Island, with October's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how October's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec83%80%75%70%68%75%80%81%83%81%82%84%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Merritt Island

In October, Merritt Island experiences a UV Index of 9, categorized as very high, which indicates a burn time of only 15 minutes for those with fair skin. This marks a slight decrease from the summer months, where extreme UV Index levels prevailed—peaking at 12 in June and July. However, the UV Index remains significantly elevated compared to the winter months, emphasizing the importance of sun protection even as the temperatures begin to cool. With exposure categories generally trending from high to extreme during the summer, October's levels signal a transition but still warrant caution for outdoor activities. For a detailed look at UV levels throughout the year, check out the Merritt Island UV Index.

Maximum UV Index Levels in Merritt Island for October

The chart shows the monthly maximum UV Index (UVI) for Merritt Island in October, 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.
JanFebMarAprMayJunJulAugSepOctNovDec689111112121111975
Data source: Merritt Island October 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.

October Sunshine in Merritt Island

October brings a delightful blend of sunshine and mild temperatures to Merritt Island, with an impressive 301 hours of bright daylight. While the month stands out for its ample sunshine, it follows a remarkable peak in summer when July and August bask in over 330 hours each. As the year winds down, daylight hours gradually recede, with October's totals showing a slight dip compared to the vibrant months of May, June, and July. Nevertheless, this autumn month continues to provide significant warmth and brightness, making it an ideal time for outdoor activities and enjoying the natural beauty of the Island before winter sets in.

Monthly Sunshine Duration in Merritt Island: October Highlighted

The October sunshine duration represents the total number of hours Merritt Island experiences direct sunlight during the month of October, excluding cloudy or obstructed periods. This chart compares the sunshine duration of October with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec211h261h317h314h321h309h340h336h312h301h262h269h
Data source: Merritt Island October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Merritt Island During October

As October rolls around in Merritt Island, the chance of sunny weather holds steady at 46%, mirroring January's likelihood. This consistency reflects a trend of fluctuating sunshine opportunities throughout the year, with spring months like May peaking at 51%. Conversely, the summer months—including June and August—experience a notable dip in sunshine, plummeting to a mere 23% and 16%, respectively. As the year progresses into fall, the likelihood of sunny days begins to reemerge, suggesting that while October may not boast the highest chances, it still stands as a reliable option for sun seekers following the sweltering summer months.

Percentage of Sunny Days in October in Merritt Island

The chart illustrates the percentage of sunny days in Merritt Island throughout the year, with October 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 Merritt Island experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec46%49%44%48%51%23%25%16%34%46%45%59%
Data source: Merritt Island October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Merritt Island in October

As October arrives in Merritt Island, daylight begins to wane, offering about 11 hours of sunlight, a decline from the summer's peak of 13 hours. This shift marks a transition from the bright, extended days experienced during the warmer months of May through September. Interestingly, October's daylight mirrors that of February, suggesting a cyclical pattern as the region moves towards the cooler months ahead. As the days grow shorter, residents can anticipate the cozy ambiance that accompanies the fall season, fostering a perfect backdrop for outdoor activities and colorful sunsets that shape this vibrant time of year.

Average Daylight Hours in Merritt Island for October

The chart illustrates the variation in daylight duration in Merritt Island throughout the year, with October highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 33m11h 11m12h12h 51m13h 33m13h 54m13h 43m13h 5m12h 17m11h 26m10h 43m10h 21m
Data source: Merritt Island daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in Merritt Island

As October settles in Merritt Island, the average wind speed picks up slightly to 3.9 m/s (9 mph), showcasing a refreshing shift as the month transitions from the softer breezes of summer. This gentle increase follows a downward trend through the late summer months of July and August, characterized by relatively calm winds at 3.6 m/s (8 mph). While September brings an even lower dip to 3.1 m/s (7 mph), October hints at the revival of more invigorating airflows, which are expected to continue into November, where winds return to 4.6 m/s (10 mph). Overall, this subtle fluctuation in wind patterns reflects the changing seasons and provides a dynamic backdrop for outdoor activities, inviting residents and visitors alike to embrace the crisp October air.

Average October Wind Speed in Merritt Island

The chart displays monthly wind speed patterns in Merritt Island, with values for each month shown alongside October's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how October's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.24.64.64.54.94.23.63.63.13.9 m/s4.63.2
Data source: Merritt Island October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in Merritt Island Compares to Other Months

The weather in Merritt Island 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 Merritt Island and find detailed weather information for every month.

October and January present notably different weather patterns. October is characterized by warmer temperatures, with a minimum of 11°C (52°F) and an average high of 30°C (87°F), as well as significantly higher precipitation, totaling 107 mm (4.2 inches) over 18 days, and a humidity level of 81%. In contrast, January features cooler temperatures, with lows of 2°C (36°F) and an average high of 27°C (82°F). It is also considerably drier, with only 38 mm (1.5 inches) of rain falling over just 5 days, while humidity remains slightly elevated at 83%. For more detailed insights into January's climate, you can visit Merritt Island weather in January.

When comparing the weather in October and February, October tends to be warmer and wetter. The average temperature in October is around 26°C (78°F), with maximum highs reaching up to 30°C (87°F), while February's average is cooler at 19°C (67°F) and peaks at 27°C (81°F). Additionally, October experiences significantly more rainfall, with 107 mm (4.2 in) over 18 days, compared to February's 51 mm (2.0 in) on just 8 days. Humidity levels remain relatively similar between the two months, with October at 81% and February slightly lower at 80%. For more detailed insights into February weather, check out Merritt Island weather in February.

When comparing the weather in October and March, October typically experiences warmer temperatures, with lows around 11°C (52°F) and highs reaching up to 30°C (87°F). In contrast, March shows a milder range, with minimum temperatures of 8°C (47°F) and maximums peaking at 29°C (84°F). Precipitation is notably higher in October, averaging 107 mm (4.2 in) over 18 days, while March sees significantly less rainfall at 25 mm (1.0 in) across only 4 days. Additionally, humidity levels are slightly higher in October, averaging 81% compared to 75% in March. For a closer look at the weather specifics during this time, you can visit Merritt Island weather in March.

October and April present distinct weather patterns, with October typically being warmer and wetter. In October, temperatures range from a minimum of 11°C (52°F) to a maximum of 30°C (87°F), averaging around 26°C (78°F). It experiences significant rainfall, with 107 mm (4.2 in) falling over 18 days, and humidity levels can reach 81%. In contrast, April offers slightly higher minimum temperatures, starting at 13°C (55°F), with an average of 23°C (73°F) and a maximum also reaching 30°C (87°F). However, it is less rainy, accumulating only 72 mm (2.8 in) of precipitation over 8 days and lower humidity at 70%. For more detailed insights on April weather in Merritt Island, you can visit Merritt Island weather in April.

October and May present distinct weather patterns. In October, temperatures range from a minimum of 11°C (52°F) to a maximum of 30°C (87°F), with an average of 26°C (78°F). This month sees significant rainfall, totaling 107 mm (4.2 in) over 18 days, accompanied by high humidity levels at 81%. In contrast, May tends to be warmer with a minimum temperature of 16°C (61°F) and a maximum of 31°C (88°F), averaging 25°C (77°F). Though rainfall is slightly higher in May at 124 mm (4.9 in), it occurs over just 11 days, translating to lower humidity at 68%. For more detailed information, check out Merritt Island weather in May.

When comparing the weather in October and June, we find distinct differences in temperature, precipitation, and humidity. October features a more moderate temperature range, with minimums around 11°C (52°F) and maximums reaching up to 30°C (87°F), along with an average of 26°C (78°F). In contrast, June experiences warmer conditions, with minimum temperatures around 23°C (73°F) and maximums peaking at 32°C (89°F), while maintaining a similar average of 26°C (80°F). Additionally, October sees significant precipitation of 107 mm (4.2 in) over 18 days, compared to June, which has higher rainfall of 164 mm (6.4 in) distributed across 22 days. Humidity levels also vary, with October exhibiting a higher humidity of 81%, while June maintains a slightly lower level at 75%. For more details on specific weather patterns, you can check out Merritt Island weather in June.

When comparing the weather in October and July, October tends to be milder with a minimum temperature of 11°C (52°F) and an average high of 30°C (87°F), while July is noticeably warmer, with minimum temperatures around 24°C (75°F) and an average maximum of 32°C (90°F). Precipitation also varies significantly; October receives 107 mm (4.2 in) over 18 days, compared to July's 172 mm (6.8 in) across 24 days, indicating that July experiences more frequent and heavier rainfall. Humidity levels are quite similar, with October at 81% and July at 79%. For more detailed information about July's weather, you can check this link: Merritt Island weather in July.

In August, the weather is typically hotter, with minimum temperatures around 24°C (76°F) and maximum temperatures reaching up to 32°C (90°F). The average temperature hovers around 28°C (82°F), accompanied by significant precipitation of 220 mm (8.7 in) over 26 days, maintaining a consistent humidity level of 81%. In contrast, October experiences milder temperatures with a minimum of 11°C (52°F) and a maximum of 30°C (87°F), while averaging 26°C (78°F). Precipitation decreases to 107 mm (4.2 in) across 18 days, yet humidity remains the same at 81%. For a deeper look into August weather conditions, you can visit Merritt Island weather in August.

In comparing the weather of September and October, notable differences are evident. October experiences cooler temperatures, with nighttime lows averaging 11°C (52°F) compared to September's warmer minimum temperature of 23°C (74°F). The average daily temperature in October is slightly higher at 26°C (78°F), but it is overshadowed by September's warmer average of 27°C (81°F) and peak temperature reaching 33°C (91°F). Precipitation also drops in October, totaling 107 mm (4.2 in) over 18 days, whereas September sees a heftier 189 mm (7.4 in) across 21 days. Additionally, humidity levels remain relatively stable, with October at 81% and September slightly higher at 83%. For more on September weather details, check out Merritt Island weather in September.

October and November exhibit notable differences in weather patterns. In October, temperatures are warmer, with a minimum of 11°C (52°F) and an average high of 30°C (87°F), alongside significant precipitation of 107 mm (4.2 in) spread over 18 days and a humidity level of 81%. By November, temperatures drop slightly, with a minimum of 7°C (46°F) and an average high of 29°C (85°F). Precipitation decreases to 62 mm (2.4 in) over just 10 days, maintaining a comparable humidity level of 82%. For more detailed insights on November’s weather, check Merritt Island weather in November.

In October, the weather is significantly warmer, with average temperatures reaching around 26°C (78°F) and maximums peaking at 30°C (87°F). The month sees a considerable amount of precipitation, with 107 mm (4.2 in) falling over 18 days, resulting in a humidity level of 81%. In contrast, December is cooler, with average temperatures dropping to 19°C (66°F) and minimums around 6°C (42°F). Precipitation decreases to 65 mm (2.6 in) over just 8 days, and humidity slightly rises to 84%. For more detailed information, you can check out the Merritt Island weather in December.

Compare Merritt Island's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Merritt Island

As October rolls into Merritt Island, it brings a noticeable transition in weather compared to the sweltering summer months. With temperatures averaging around 26°C (78°F), the warmth remains but is accompanied by increased humidity at 81%. Unlike the drier periods earlier in the year, October sees frequent rainfall, with 18 days of precipitation totaling 107 mm (4.2 in), making it one of the wetter months. Early mornings can be cool, dipping to 11°C (52°F), providing a refreshing respite from the day's heat. This blend of warmth and occasional showers creates a unique charm, perfect for enjoying the vibrant fall scenery. For a deeper dive into what to expect throughout the year, visit Merritt Island Climate.