October weather forecast
Hamilton, Canada

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The Central Business District of Hamilton City in Canada
The Central Business District of Hamilton City in Canada

Weather in October

October presents Hamilton in its autumn glory, with temperatures falling to an average high of 14.1°C (57.4°F). The city wears a vibrant mantle, displaying hues of amber, ochre and red. Leaf peeping becomes a favourite pastime as trees transform into artists' palettes. October's cool weather is a reminder of the impending winter. As the month winds down, Hamilton residents brace themselves for a chill in the air.

Temperature

With October's arrival, Hamilton's weather changes as the average high-temperature falls from an agreeable 21.4°C (70.5°F) in September to a moderate 14.1°C (57.4°F). Throughout October, Hamilton records an average temperature of 7.8°C (46°F) at night.

Humidity

In Hamilton, Canada, the average relative humidity in October is 77%.

Rainfall

In Hamilton, in October, it is raining for 16.5 days, with typically 65mm (2.56") of accumulated precipitation. In Hamilton, during the entire year, the rain falls for 175.2 days and collects up to 711mm (27.99") of precipitation.

Snowfall

June through October are months without snowfall.

Sea temperature

In October, the average sea temperature is 15.4°C (59.7°F).
Note: Most people find swimming in 15.4°C (59.7°F) to be not enjoyable. The control of one's breathing becomes more challenging as the water temperature drops below 21°C (69.8°F).

Daylight

The average length of the day in October in Hamilton is 11h and 1min.
On the first day of October in Hamilton, sunrise is at 7:17 am and sunset at 7:00 pm. On the last day of the month, sunrise is at 7:54 am and sunset at 6:11 pm EDT.

Sunshine

In Hamilton, the average sunshine in October is 4.9h.

UV index

The average daily maximum UV index in October is 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: A daily maximum UV index of 2 in October translates into the following instructions:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
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Frequently asked questions

What are the temperatures in Hamilton in October?

In October, the average high-temperature and low-temperature in Hamilton, Canada, are 14.1°C (57.4°F) and 7.8°C (46°F) respectively.

What is the average humidity in October in Hamilton?

The average relative humidity in October is 77%.

How much does it rain in Hamilton in October?

In October, in Hamilton, the rain falls for 16.5 days. Throughout October, 65mm (2.56") of precipitation is accumulated.

When it does not snow in Hamilton?

June through October are months without snowfall in Hamilton.

Does it snow in Hamilton in October?

In Hamilton, Canada, in October, it doesn't snow. In November, it regularly snows.

How cold is the water in October in Hamilton?

In October, the average sea temperature in Hamilton is 15.4°C (59.7°F). For swimming, a surface water temperature of 15.4°C (59.7°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

What is the average length of the day in October in Hamilton?

The average day length in October in Hamilton, Canada, is 11h and 1min.

When is the sunrise / sunset in October in Hamilton?

On the first day of October in Hamilton, Canada, sunrise is at 7:17 am and sunset at 7:00 pm. On the last day of the month, sunrise is at 7:54 am and sunset at 6:11 pm EDT.

How long on average sun shines in October in Hamilton?

In Hamilton, Canada, the average sunshine duration in October is 4.9h.

What is the UV index intensity in October in Hamilton?

In October, the average daily maximum UV index in Hamilton, Canada, is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Hamilton, Canada

Average temperature in October - Hamilton, Canada
  • Average high temperature in October: 14.1°C

The warmest month (with the highest average high temperature) is July (25.4°C).
The month with the lowest average high temperature is January (-2.3°C).

  • Average low temperature in October: 7.8°C

The month with the highest average low temperature is July (17.3°C).
The coldest month (with the lowest average low temperature) is January (-7.3°C).

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Average pressure in October
Hamilton, Canada

Average pressure in October - Hamilton, Canada
  • Average pressure in October: 1015.6mbar

The months with the highest atmospheric pressure are March and November (1018.5mbar).
The month with the lowest atmospheric pressure is June (1013.3mbar).

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Average wind speed in October
Hamilton, Canada

Average wind speed in October - Hamilton, Canada
  • Average wind speed in October: 16.2km/h

The windiest month (with the highest average wind speed) is January (19km/h).
The calmest month (with the lowest average wind speed) is July (11.3km/h).

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Average humidity in October
Hamilton, Canada

Average humidity in October - Hamilton, Canada
  • Average humidity in October: 77%

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (75%).

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Average rainfall in October
Hamilton, Canada

Average rainfall in October - Hamilton, Canada
  • Average rainfall in October: 65mm

The wettest month (with the highest rainfall) is July (74mm).
The driest month (with the least rainfall) is September (44mm).

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Average rainfall days in October
Hamilton, Canada

Average rainfall days in October - Hamilton, Canada
  • Average rainfall days in October: 16.5 days

The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is February (9.3 days).

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Average snowfall in October
Hamilton, Canada

Average snowfall in October - Hamilton, Canada
  • Average snowfall in October: 0mm

The month with the highest snowfall is February (137mm).
The months with the least snowfall are June, July, August, September and October (0mm).

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Average snowfall days in October
Hamilton, Canada

Average snowfall days in October - Hamilton, Canada
  • Average snowfall days in October: 0.2 days

The month with the highest number of snowfall days is January (14.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature in October
Hamilton, Canada

Average sea temperature in October - Hamilton, Canada
  • Average sea temperature in October: 15.4°C

The best month for swimming (with the highest average sea temperature) is August (23.4°C).
The coldest month (with the lowest average sea temperature) is February (1.2°C).

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Average daylight in October /
Average sunshine in October
Hamilton, Canada

Average daylight in October / Average sunshine in October - Hamilton, Canada
  • Average daylight in October: 11h and 0min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in October: 4h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

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Average sunshine days in October
Hamilton, Canada

Average sunshine days in October - Hamilton, Canada
  • Average sunshine days in October: 12.1 days

The month with the most sunshine days is September (13.8 days).
The month with the least sunshine days is February (9 days).

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Average UV index in October
Hamilton, Canada

Average UV index in October - Hamilton, Canada
  • Average UV index in October: 2

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in October
Hamilton, Canada

Average cloud cover in October - Hamilton, Canada
  • Average cloud cover in October: 46

The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in October
Hamilton, Canada

Average visibility in October - Hamilton, Canada
  • Average visibility in October: 9km

The month with the highest visibility is August (10km).
The month with the lowest visibility is January (8km).

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Hamilton, Canada

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