Hamilton
Canada
Long-term weather forecast
Long-term weather forecast

October weather forecast and climate
Hamilton, Canada

A bird
A bird's eye view of the Central Business District of Hamilton City in Canada, a view of the road network, and intense cloudy sky seen
October, the same as September, in Hamilton, Canada, is a moderate autumn month, with average temperature ranging between min 5.4°C (41.7°F) and max 14.6°C (58.3°F).

Temperature

In Hamilton, Canada, the average high-temperature drops, from a pleasant 21.1°C (70°F) in September, to a mild 14.6°C (58.3°F). In October, in Hamilton, Canada, the average low-temperature is 5.4°C (41.7°F).

Rainfall

In Hamilton, Canada, it is raining for 11.8 days, with typically 71.6mm (2.8") of accumulated precipitation. Throughout the year, in Hamilton, there are 121.1 rainfall days, and 780.3mm (30.7") of precipitation is accumulated.

Snowfall

In Hamilton, it doesn't snow. In November, it regularly snows. In Hamilton, during the entire year, snow aggregates up to 1181mm (46.5").

Sea temperature

In Hamilton, the average seawater temperature in October is 15.4°C (59.7°F).
Note: For most, swimming in 15.4°C (59.7°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

Daylight

In October, the average length of the day in Hamilton is 11h.

Sunshine

The average sunshine in Hamilton, Canada, is 4.8h.

UV index

In Hamilton, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 3 interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in October in Hamilton?

The average high-temperature, in October, in Hamilton, is 14.6°C (58.3°F), while the average low-temperature is 5.4°C (41.7°F).

How much does it rain in Hamilton in October?

In October, the rain falls for 11.8 days. Throughout October, 71.6mm (2.8") of precipitation is accumulated.

Does it snow in Hamilton in October?

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

What is the sea temperature in October in Hamilton?

In October, the average sea temperature is 15.4°C (59.7°F). Swimming in 15.4°C (59.7°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

How many hours of daylight does Hamilton have in October?

In October, the average length of the day in Hamilton, Canada, is 11h.

How many hours of sunshine does Hamilton have in October?

The average sunshine in October in Hamilton, Canada, is 4.8h.

What is the UV index intensity in October in Hamilton?

In October, the average daily maximum UV index in Hamilton is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in October - Hamilton, Canada
  • Average high temperature in October: 14.6°C

The warmest month (with the highest average high temperature) is July (27.3°C).
The month with the lowest average high temperature is January (-0.9°C).

  • Average low temperature in October: 5.4°C

The month with the highest average low temperature is July (16.7°C).
The coldest month (with the lowest average low temperature) is January (-8.5°C).

Average rainfall in October - Hamilton, Canada
  • Average rainfall in October: 71.6mm

The wettest month (with the highest rainfall) is August (89.7mm).
The driest month (with the lowest rainfall) is February (26.4mm).

Average rainfall days in October - Hamilton, Canada
  • Average rainfall days in October: 11.8 days

The month with the highest number of rainy days is November (12.8 days).
The month with the lowest number of rainy days is February (5 days).

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

The month with the highest snowfall is January (324mm).
Months with the lowest snowfall are May, June, July, August, September and October (0mm).

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

The month with the highest number of snowfall days is January (10.5 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

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).

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

The month with the longest days is June (Average daylight: 15.3h).
The month with shortest days is December (Average daylight: 9h).

  • Average sunshine in October: 4.8h

The month with most sunshine is July (Average sunshine: 9.8h).
The month with least sunshine is December (Average sunshine: 2.3h).

Average UV index in October - Hamilton, Canada
  • Average UV index in October: 3

Months with the highest UV index are June and July (UV index 8).
Months with the lowest UV index are January and December (UV index 1).