August 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 August

August experiences sustained summer, albeit with a slight drop in temperatures compared to July. Hamilton’s summer extravaganza continues with temperatures reaching highs of 24.7°C (76.5°F). Festivals and public events dot the city’s calendar, attracting locals and tourists alike. Embrace the warmth, for the days of summer are numbered. As August ends, the signs of an approaching fall can be discerned.

Temperature

Hamilton's shift into August sets the average high-temperature at a still moderately hot 24.7°C (76.5°F), a figure that deviates only slightly from July's 25.4°C (77.7°F). In the month of August, the nighttime temperature dips to a steady average of 16.9°C (62.4°F).

Humidity

In August, the average relative humidity is 76%.

Rainfall

In August, the rain falls for 17.3 days. Throughout August, 68mm (2.68") of precipitation is accumulated. In Hamilton, during the entire year, the rain falls for 175.2 days and collects up to 711mm (27.99") of precipitation.

Snowfall

In Hamilton, Canada, snow does not fall in June through October.

Sea temperature

The month with the warmest seawater in Hamilton, Canada, is August, with an average sea temperature of 23.4°C (74.1°F).
Note: Cold sensitivities vary, but with the right amount of sunshine, a gentle breeze, and a warm day, a swim in 23.4°C (74.1°F) waters might be just right. Remember, Olympic swimmers are used to waters between 25°C (77°F) and 28°C (82.4°F).

Daylight

In August, the average length of the day in Hamilton is 13h and 54min.
On the first day of the month, sunrise is at 6:10 am and sunset at 8:41 pm. On the last day of August, in Hamilton, sunrise is at 6:43 am and sunset at 7:55 pm EDT.

Sunshine

In Hamilton, the average sunshine in August is 10.5h.

UV index

In Hamilton, Canada, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: In August, the UV index of 5 transforms into the following advice:
Take precautions - Protection against sun damage is advised. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Always opt for UVA and UVB-resistant sunglasses on radiant days. Take note! The UV strength of the Sun elevates when reflected off water and sand.
Updated: Feb 4, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What is the usual temperature for Hamilton in August?

August temperatures vary between a high-temperature of 24.7°C (76.5°F) and a low-temperature of 16.9°C (62.4°F).

What is the average humidity in August in Hamilton?

In Hamilton, Canada, the average relative humidity in August is 76%.

How much does it rain in Hamilton in August?

In Hamilton, during August, the rain falls for 17.3 days and regularly aggregates up to 68mm (2.68") of precipitation.

When it does not snow in Hamilton?

In Hamilton, snow does not fall in June through October.

When is the sea warmest in Hamilton?

With an average sea temperature of 23.4°C (74.1°F), August is the month with the warmest seawater in Hamilton, Canada.

What is the water temperature in August in Hamilton?

In August, the average sea temperature is 23.4°C (74.1°F). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 23.4°C (74.1°F) water.

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

In August, the average day length in Hamilton is 13h and 54min.

What time are sunrise and sunset in August in Hamilton?

In August, on the first day of the month, sunrise is at 6:10 am and sunset at 8:41 pm. On the last day of the month, in Hamilton, sunrise is at 6:43 am and sunset at 7:55 pm EDT.

How long on average sun shines in August in Hamilton?

The average sunshine duration in August in Hamilton, Canada, is 10.5h.

What is the UV index reading in August in Hamilton?

In August, the average daily maximum UV index in Hamilton is 5. A UV Index reading of 3 to 5 represents a medium health risk from 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 temperature in August
Hamilton, Canada

Average temperature in August - Hamilton, Canada
  • Average high temperature in August: 24.7°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 August: 16.9°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).

Average pressure in August
Hamilton, Canada

Average pressure in August - Hamilton, Canada
  • Average pressure in August: 1014.7mbar

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

Average wind speed in August
Hamilton, Canada

Average wind speed in August - Hamilton, Canada
  • Average wind speed in August: 11.9km/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).

Average humidity in August
Hamilton, Canada

Average humidity in August - Hamilton, Canada
  • Average humidity in August: 76%

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

Average rainfall in August
Hamilton, Canada

Average rainfall in August - Hamilton, Canada
  • Average rainfall in August: 68mm

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

Average rainfall days in August
Hamilton, Canada

Average rainfall days in August - Hamilton, Canada
  • Average rainfall days in August: 17.3 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).

Average snowfall in August
Hamilton, Canada

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

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

Average snowfall days in August
Hamilton, Canada

Average snowfall days in August - Hamilton, Canada
  • Average snowfall days in August: 0 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).

Average sea temperature in August
Hamilton, Canada

Average sea temperature in August - Hamilton, Canada
  • Average sea temperature in August: 23.4°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 August /
Average sunshine in August
Hamilton, Canada

Average daylight in August / Average sunshine in August - Hamilton, Canada
  • Average daylight in August: 13h and 5min

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 August: 10h and 3min

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).

Average sunshine days in August
Hamilton, Canada

Average sunshine days in August - Hamilton, Canada
  • Average sunshine days in August: 10.5 days

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

Average UV index in August
Hamilton, Canada

Average UV index in August - Hamilton, Canada
  • Average UV index in August: 5

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

Average cloud cover in August
Hamilton, Canada

Average cloud cover in August - Hamilton, Canada
  • Average cloud cover in August: 27

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

Average visibility in August
Hamilton, Canada

Average visibility in August - Hamilton, Canada
  • Average visibility in August: 10km

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

Hamilton, Canada

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