October weather forecast
Oshawa, Canada

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Weather in October

October heralds a distinct shift towards cooler autumnal weather, with increasingly crisp and shorter days. Yet, the city witnesses a significant amount of rainfall, with total precipitation reaching 67mm (2.64"). A drastic reduction in sea temperature marks the end of beach activities. The month's characteristic winds carry a chill, adding to the visual charm of falling leaves and clear blue skies.

Temperature

In the transition to October, Oshawa observes a drop in the average high-temperature, moving from a pleasant 20.3°C (68.5°F) in September to a mild 13.1°C (55.6°F). Nighttime temperatures consistently average a frosty 7.7°C (45.9°F) during October.

Humidity

In Oshawa, the average relative humidity in October is 78%.

Rainfall

In Oshawa, in October, it is raining for 15.5 days, with typically 67mm (2.64") of accumulated precipitation. In Oshawa, during the entire year, the rain falls for 158.8 days and collects up to 693mm (27.28") of precipitation.

Snowfall

May through October are months without snowfall.

Sea temperature

In October, the average sea temperature is 14°C (57.2°F).
Note: While a brief time in 14°C (57.2°F) at 13°C (55.4°F) is already bracing, plunging below 10°C (50°F) can severely affect breathing and introduce a cold shock, relying on your physical state.

Daylight

In October, the average length of the day in Oshawa is 10h and 59min.
On the first day of October in Oshawa, sunrise is at 7:13 am and sunset at 6:55 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 6:06 pm EDT.

Sunshine

The average sunshine in October is 4.7h.

UV index

In Oshawa, the average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.
Note: A maximum high daily UV index of 3 during October translates into the following directions:
Act with care - The suggestion to avoid sunburn is emphasized. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the average October temperature in Oshawa?

The high-temperature, in October, in Oshawa, is 13.1°C (55.6°F), while the low-temperature averages to 7.7°C (45.9°F).

What is the average humidity in October in Oshawa?

In October, the average relative humidity is 78%.

How many days does it rain in October in Oshawa?

In Oshawa, Canada, during October, the rain falls for 15.5 days and regularly aggregates up to 67mm (2.64") of precipitation.

When it does not snow in Oshawa?

In Oshawa, Canada, snow does not fall in May through October.

Does it snow in Oshawa in October?

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

What is the water temperature in October in Oshawa?

In Oshawa, the average seawater temperature in October is 14°C (57.2°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

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

The average day length in October is 10h and 59min.

When are sunrise and sunset in October in Oshawa?

On the first day of October in Oshawa, Canada, sunrise is at 7:13 am and sunset at 6:55 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 6:06 pm EDT.

How long on average sun shines in October in Oshawa?

The average sunshine duration in October in Oshawa, Canada, is 4.7h.

What is the UV index intensity in October in Oshawa?

In Oshawa, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to 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 temperature in October
Oshawa, Canada

Average temperature in October - Oshawa, Canada
  • Average high temperature in October: 13.1°C

The warmest month (with the highest average high temperature) is July (24.4°C).
The month with the lowest average high temperature is January (-2.9°C).

  • Average low temperature in October: 7.7°C

The month with the highest average low temperature is August (16.8°C).
The coldest month (with the lowest average low temperature) is January (-8.3°C).

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Average pressure in October
Oshawa, Canada

Average pressure in October - Oshawa, Canada
  • Average pressure in October: 1015.4mbar

The month with the highest atmospheric pressure is March (1018.3mbar).
The month with the lowest atmospheric pressure is June (1013mbar).

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Average wind speed in October
Oshawa, Canada

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

The windiest month (with the highest average wind speed) is January (18.7km/h).
The calmest month (with the lowest average wind speed) is July (11.4km/h).

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Average humidity in October
Oshawa, Canada

Average humidity in October - Oshawa, Canada
  • Average humidity in October: 78%

The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is April (76%).

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Average rainfall in October
Oshawa, Canada

Average rainfall in October - Oshawa, Canada
  • Average rainfall in October: 67mm

The wettest month (with the highest rainfall) is August (73mm).
The driest months (with the least rainfall) are February and November (43mm).

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Average rainfall days in October
Oshawa, Canada

Average rainfall days in October - Oshawa, Canada
  • Average rainfall days in October: 15.5 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (7.3 days).

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Average snowfall in October
Oshawa, Canada

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

The month with the highest snowfall is February (110mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

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Average snowfall days in October
Oshawa, Canada

Average snowfall days in October - Oshawa, Canada
  • Average snowfall days in October: 0.4 days

The month with the highest number of snowfall days is January (13.8 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
Oshawa, Canada

Average sea temperature in October - Oshawa, Canada
  • Average sea temperature in October: 14°C

The best month for swimming (with the highest average sea temperature) is August (22.4°C).
The coldest month (with the lowest average sea temperature) is March (2.3°C).

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

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

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in October: 4h and 4min

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 0min).

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Average sunshine days in October
Oshawa, Canada

Average sunshine days in October - Oshawa, Canada
  • Average sunshine days in October: 13.3 days

The month with the most sunshine days is November (14.9 days).
The month with the least sunshine days is July (10.4 days).

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Average UV index in October
Oshawa, Canada

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

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

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Average cloud cover in October
Oshawa, Canada

Average cloud cover in October - Oshawa, Canada
  • Average cloud cover in October: 49

The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in October
Oshawa, Canada

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

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

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Oshawa, Canada

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