October weather forecast
Grimsby, Canada

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Weather in October

October, like September, is a moderate autumn month in Grimsby, Canada, with temperature in the range of an average low of 7.8°C (46°F) and an average high of 14.1°C (57.4°F).

Temperature

October's arrival corresponds with a decrease in average high-temperatures, from September's pleasant 21.4°C (70.5°F) to a refreshing 14.1°C (57.4°F). Throughout October, an average low-temperature of 7.8°C (46°F) is experienced in Grimsby.

Humidity

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

Rainfall

In October, in Grimsby, the rain falls for 16.5 days. Throughout October, 65mm (2.56") of precipitation is accumulated. Throughout the year, in Grimsby, there are 175.2 rainfall days, and 711mm (27.99") of precipitation is accumulated.

Snowfall

June through October are months without snowfall.

Daylight

In October, the average length of the day is 11h and 1min.
On the first day of October in Grimsby, Canada, sunrise is at 7:16 am and sunset at 6:58 pm. On the last day of the month, sunrise is at 7:52 am and sunset at 6:10 pm EDT.

Sunshine

The average sunshine in October in Grimsby is 4.9h.

UV index

In Grimsby, the average daily maximum UV index in October is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index, 2 during October, leads to the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What are October temperatures in Grimsby?

The average high-temperature and low-temperature in Grimsby, Canada, during October are 14.1°C (57.4°F) and 7.8°C (46°F) respectively.

What is the average humidity in October in Grimsby?

The average relative humidity in October is 77%.

How many days does it rain in October in Grimsby?

In Grimsby, in October, it is raining for 16.5 days, with typically 65mm (2.56") of accumulated precipitation.

When it does not snow in Grimsby?

June through October are months without snowfall.

Does it snow in Grimsby in October?

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

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

In October, the average day length in Grimsby, Canada, is 11h and 1min.

When is the sunrise / sunset in October in Grimsby?

On the first day of October, sunrise is at 7:16 am and sunset at 6:58 pm. On the last day of the month, sunrise is at 7:52 am and sunset at 6:10 pm EDT.

How long on average sun shines in October in Grimsby?

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

How high is the UV index in October in Grimsby?

The average daily maximum UV index in October in Grimsby, Canada, is 2. A UV Index estimate of 2, and below, represents a low health threat from unsafe exposure to Sun's UV rays.
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
Grimsby, Canada

Average temperature in October - Grimsby, 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
Grimsby, Canada

Average pressure in October - Grimsby, 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
Grimsby, Canada

Average wind speed in October - Grimsby, 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
Grimsby, Canada

Average humidity in October - Grimsby, 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
Grimsby, Canada

Average rainfall in October - Grimsby, 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
Grimsby, Canada

Average rainfall days in October - Grimsby, 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
Grimsby, Canada

Average snowfall in October - Grimsby, 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
Grimsby, Canada

Average snowfall days in October - Grimsby, 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 daylight in October /
Average sunshine in October
Grimsby, Canada

Average daylight in October / Average sunshine in October - Grimsby, 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
Grimsby, Canada

Average sunshine days in October - Grimsby, 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
Grimsby, Canada

Average UV index in October - Grimsby, 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
Grimsby, Canada

Average cloud cover in October - Grimsby, 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
Grimsby, Canada

Average visibility in October - Grimsby, 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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Grimsby, Canada

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