October Weather in Halifax, Canada

Last updated: April 22, 2025

October in Halifax, Canada, ushers in a transition marked by crisp air and vibrant fall hues. With maximum temperatures reaching a comfortable 23°C (73°F), the month averages a cooler 11°C (51°F), while dipping to a chilly -2°C (28°F) at night. Rain is a frequent visitor, with 109 mm (4.3 in) of precipitation recorded over 9 days, contributing to the region’s lush landscapes. The relatively high humidity level of 83% adds a touch of moisture to the air, enhancing the invigorating autumn experience. Whether you’re exploring the scenic coastline or enjoying local festivities, October in Halifax promises a refreshing embrace of maritime beauty.

October Temperature in Halifax

In Halifax, Canada, October marks a transition into cooler weather, with temperatures reflecting the shift in seasons. The month begins with a minimum temperature of -2°C (28°F), gradually warming to an average of 11°C (51°F) and peaking at 23°C (73°F). This progression indicates a mild yet crisp atmosphere as autumn leaves start their colorful display. Compared to September's lingering warmth, where temperatures reached up to 28°C (83°F), October introduces cooler nights and a restful pause before the winter chill. The overall trend highlights the delightful balance of warmth and briskness, making it an ideal time for outdoor activities amid the stunning fall foliage.

October Weather in Halifax: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Halifax, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec272731414959666761514132
Data source: Temperature data for Halifax 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.

October Precipitation in Halifax

October in Halifax experiences a notable shift in precipitation patterns, with 109 mm (approximately 4.3 in) falling over an average of 9 days. This increase in rainfall follows the wetter September, which recorded 104 mm (4.1 in) across fewer days, highlighting a transition toward the more precipitation-heavy months ahead. As autumn deepens, October serves as a reminder of Halifax’s coastal climate, where the combination of autumn wind and moisture creates a brisk, invigorating atmosphere. As the city prepares for winter, this uptick in precipitation foreshadows the approaching chill, preparing residents for the wetter conditions typical of late fall and winter.

October Precipitation Trends in Halifax

The chart displays monthly precipitation patterns in Halifax, 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.
JanFebMarAprMayJunJulAugSepOctNovDec9712210312293999177104109149127
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Halifax

In October, Halifax experiences a humidity level of 83%, reflecting a slight dip from the higher levels seen during the summer months. As autumn progresses, humidity remains relatively consistent, with October's figures aligning closely with those of earlier months like September and November. Overall, the city’s humidity fluctuates modestly throughout the year, peaking in the sweltering July at a notable 86% and then gently tapering off as cooler temperatures settle in. The persistent humidity levels, ranging from the low 80s to mid 80s, create a uniquely crisp and brisk atmosphere, characteristic of Nova Scotia in the fall.

October Average Humidity in Halifax

This chart illustrates the average monthly humidity levels in Halifax, 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.
JanFebMarAprMayJunJulAugSepOctNovDec82%83%82%82%82%84%86%85%83%83%85%83%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Halifax

As October rolls in, Halifax experiences a notable dip in UV Index, dropping to 5, which falls into the moderate exposure category. This is a significant shift from the peak summer months when indices soared to very high levels, peaking at 10 in June. With a burn time of just 30 minutes this month, it's crucial for residents and visitors alike to remain vigilant about sun protection, even as the air turns brisk. As the days grow shorter and cooler, this trend towards lower UV readings sets the stage for safer outdoor activities while the last of the autumn sunshine beckons. For more detailed insights, check out the complete Halifax UV Index.

Maximum UV Index Levels in Halifax for October

The chart shows the monthly maximum UV Index (UVI) for Halifax 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.
JanFebMarAprMayJunJulAugSepOctNovDec2457910987532
Data source: Halifax 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 Halifax

In October, Halifax basks in a gentle transition as it enjoys 223 hours of sunshine, a delightful capstone to the vibrant summer months. Following the sun-soaked heights of August and September, where residents relished 325 and 265 hours respectively, October offers a gradual retreat from the peak daylight, signaling the approach of winter. The crisp air and diminishing sunlight do not dampen the city's spirit, as locals take advantage of this moderate sunshine, which is surprisingly more than the winter months ahead, particularly November with just 152 hours. As the leaves turn, October's sunlight serves as a reminder of the warmth of summer, inviting Haligonians to embrace the beauty of fall while preparing for the cooler days to come.

Monthly Sunshine Duration in Halifax: October Highlighted

The October sunshine duration represents the total number of hours Halifax 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.
JanFebMarAprMayJunJulAugSepOctNovDec110h176h246h235h285h301h317h325h265h223h152h142h
Data source: Halifax October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Halifax During October

In October, Halifax experiences a moderate chance of sunny weather, estimated at around 40%. This figure is noteworthy when viewed in the context of the previous months; while September peaks at 41%, October maintains a strong likelihood of sun compared to the earlier fall months like August and July, which drop to 32% and 24%, respectively. Interestingly, October’s sunny days signify a transition from the brighter summer months, but still hold their ground against the gloomier winter months that follow. As leaves begin to change and the air turns crisp, residents and visitors alike can look forward to enjoying the seasonal beauty bathed in autumn sunlight.

Percentage of Sunny Days in October in Halifax

The chart illustrates the percentage of sunny days in Halifax 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 Halifax experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec21%28%50%31%36%40%24%32%41%40%35%34%
Data source: Halifax October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Halifax in October

As October unfolds in Halifax, Canada, the city experiences a noticeable shift in daylight duration, which plunges to 10 hours—a decline that mirrors the gradual shortening of days as winter approaches. Following the vibrant long summer days of June and July, where sunlight stretched to a generous 15 hours, October serves as a gentle reminder of the changing seasons. The daylight decreases steadily from the peak of 14 hours in May, through the warmer months of August and September, revealing a clear trend of diminishing light as the year winds down. The crisp autumn air invites residents to enjoy the remaining sunlight, showcasing the beauty of the season before it gives way to the long nights of November, with just 9 hours of daylight.

Average Daylight Hours in Halifax for October

The chart illustrates the variation in daylight duration in Halifax throughout the year, with October highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 14m10h 26m11h 57m13h 30m14h 49m15h 29m15h 7m13h 57m12h 27m10h 55m9h 33m8h 51m
Data source: Halifax daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in Halifax

As October unfolds in Halifax, the wind begins to whisper hints of the approaching winter, with an average speed of 3.5 m/s (8 mph). This month marks a noticeable drop from the slightly brisker September, which holds steady at 3.9 m/s (9 mph). The trend throughout the year reveals a gradual increase in wind speed from the winter months of January to April, peaking at 4.7 m/s (11 mph) in April before steadily declining through the summer months, reaching its annual low in August at 3.1 m/s (7 mph). With October's gentle breeze, residents can savor the crisp autumn air, embracing the transitional chill as nature prepares for the colder months ahead.

Average October Wind Speed in Halifax

The chart displays monthly wind speed patterns in Halifax, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.34.44.64.73.93.83.43.13.93.5 m/s4.44.5
Data source: Halifax October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in Halifax Compares to Other Months

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

In October, the weather is notably milder, with temperatures ranging from a minimum of -2°C (28°F) to a pleasant maximum of 23°C (73°F), and an average temperature of 11°C (51°F). The month experiences significant rainfall, with a total of 109 mm (4.3 in) over about 9 days and high humidity at 83%. In contrast, January is much colder, with temperatures dropping to a minimum of -18°C (0°F) and peaking at 15°C (58°F), averaging around -3°C (27°F). Though it sees a similar amount of precipitation at 97 mm (3.8 in) over a slightly longer period of 10 days, the humidity remains relatively consistent at 82%. For more detailed information, you can check Halifax weather in January.

When comparing the weather in October and February, it’s clear that February is significantly colder, with an average temperature of -3°C (27°F) compared to October's more temperate 11°C (51°F). While October enjoys maximum temperatures reaching up to 23°C (73°F), February's warmest day barely reaches 12°C (53°F). Precipitation levels are comparable, with October receiving 109 mm (4.3 inches) over 9 days and February experiencing slightly more at 122 mm (4.8 inches) over 11 days. Interestingly, both months share the same humidity level of 83%, contributing to a damp chill in the air during the winter months. For those curious about specific conditions in February, more details can be found at Halifax weather in February.

October and March present contrasting weather patterns in Halifax. October enjoys milder temperatures, with averages around 11°C (51°F) and maximums reaching 23°C (73°F), while March starts off much colder, featuring average temperatures of 0°C (32°F) and a maximum of only 16°C (61°F). Both months experience similar precipitation levels, with October receiving 109 mm over 9 days and March close behind with 103 mm over 11 days. Humidity remains high in both months, slightly favoring October at 83% compared to March's 82%. For a detailed look at weather conditions in March, you can visit Halifax weather in March.

When comparing the weather in October and April, you can observe some notable differences. October tends to be milder, with average temperatures reaching around 11°C (51°F), while April sees a lower average temperature of just 5°C (41°F). Both months experience a similar level of humidity, hovering around 82-83%, but October is slightly warmer, with maximum temperatures peaking at 23°C (73°F) compared to April’s 18°C (65°F). Precipitation is prevalent in both months, with October receiving 109 mm (4.3 in) over approximately 9 days and April having slightly higher total precipitation at 122 mm (4.8 in) across 13 days. For a deeper dive into Halifax's weather specifics in April, check out Halifax weather in April.

In comparing the weather of October and May, October sees a wider temperature range with a minimum of -2°C and a maximum reaching 23°C, while May's temperatures vary from -3°C to a warmer peak of 27°C. Both months experience notable precipitation, with October receiving 109 mm over about 9 days, slightly more than the 93 mm spread across 13 days in May. Humidity levels are similar, with October at 83% and May slightly lower at 82%. For a more detailed look at May's climate, check out Halifax weather in May.

When comparing the weather of October and June, there are notable differences in temperature, precipitation, and overall climate conditions. October experiences cooler temperatures, with an average of 11°C (51°F) and maximums reaching up to 23°C (73°F). In contrast, June boasts warmer temperatures, with an average of 15°C (59°F) and highs peaking at 30°C (87°F). Precipitation levels are similar, with October receiving about 109 mm (4.3 in) over 9 days and June recording 99 mm (3.9 in) spread across 11 days, indicating that both months can be quite rainy. Additionally, humidity levels are slightly higher in October at 83% compared to June's 84%. For more detailed information, you can check Halifax weather in June.

October and July present distinct weather patterns that reflect the transition from summer to autumn. In July, temperatures range from a comfortable minimum of 10°C (50°F) to a maximum of 32°C (90°F), with an average of 19°C (66°F), making it the warmest month of the year. The month's humidity is relatively high at 86%, coupled with 91 mm (3.6 in) of precipitation over 10 days. In contrast, October experiences cooler conditions, with temperatures dropping significantly, ranging from a minimum of -2°C (28°F) to a maximum of 23°C (73°F) and an average of 11°C (51°F). Although it sees a slightly higher precipitation total of 109 mm (4.3 in) over 9 days, humidity remains comparable at 83%. For more information on July's weather, you can visit Halifax weather in July.

October weather is markedly cooler than August, with average temperatures ranging from a chilly 11°C (51°F) compared to August's warmer average of 20°C (67°F). While October can see lows dipping to -2°C (28°F), August typically enjoys milder minimums around 9°C (48°F). Precipitation is more pronounced in October, with 109 mm (4.3 in) over 9 rainy days, compared to 77 mm (3.0 in) over 10 days in August. Both months exhibit high humidity, but October's 83% levels slightly surpass August's 85%. For a deeper insight into the August climate in Halifax, you can visit Halifax weather in August.

In Halifax, the weather in October is marked by a notable drop in temperatures compared to September. While September enjoys milder averages with a minimum temperature of 2°C (36°F) and a maximum of 28°C (83°F), October sees a chillier range, dipping to a minimum of -2°C (28°F) and reaching a maximum of 23°C (73°F). Both months experience similar humidity levels at 83%, but October tends to be slightly wetter, with 109 mm (4.3 in) of precipitation over 9 days, compared to September’s 104 mm (4.1 in) over 8 days. For a closer look at September’s weather patterns, you can visit Halifax weather in September.

In October, temperatures in Halifax range from a chilly minimum of -2°C (28°F) to a comfortable maximum of 23°C (73°F), with an average of 11°C (51°F). The month experiences about 109 mm (4.3 in) of precipitation over nine days, alongside a humidity level of 83%. As November arrives, the weather becomes notably colder, with a minimum temperature dropping to -11°C (12°F) and an average of just 5°C (42°F). Although the maximum reaches 20°C (69°F), it typically occurs less frequently as the month progresses. November sees an increase in precipitation to 149 mm (5.9 in) over 13 days, along with slightly higher humidity at 85%. For more detailed information, check out Halifax weather in November.

October and December present striking differences in weather patterns. In October, temperatures range from a cool -2°C (28°F) at night to a mild 23°C (73°F) during the day, with an average of 11°C (51°F). The month sees around 109 mm (4.3 in) of precipitation over 9 days, accompanied by a humidity level of 83%. In contrast, December experiences much colder conditions, with temperatures dropping to a minimum of -15°C (5°F) and a maximum of 15°C (60°F), averaging 0°C (32°F). Precipitation increases to 127 mm (5.0 in), occurring over 12 days, while humidity remains constant at 83%. For more details on December weather, check out Halifax weather in December.

Compare Halifax's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Halifax

As October settles in, Halifax experiences a notable shift in weather, transitioning from the warm embrace of summer to the briskness of autumn. The month is characterized by a cool average temperature, contrasted by sporadic warmer days that can still reach a pleasant 23°C. However, evenings bring a sharp reminder of the season's change, with lows dipping into the realms of frost. Rain is also a consistent companion, as October sees 109 mm of precipitation across about nine days, contributing to the high humidity levels around 83%. This blend of crisp air and the occasional shower sets a distinctly refreshing tone for the month, showcasing the unique charm of Halifax’s October weather compared to the milder days of preceding months. For more insights on the characteristics of this lively city throughout the year, visit Halifax Climate.