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

December 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
Diciembre, the first month of the winter, in Hamilton, is still a cold month, with average temperature fluctuating between 2°C (35.6°F) and -4.7°C (23.5°F).

Temperature

In Hamilton, the average high-temperature decreases, from a frosty 7.7°C (45.9°F) in Noviembre, to a wintry 2°C (35.6°F). In Hamilton, the average low-temperature is -4.7°C (23.5°F).

Rainfall

In Hamilton, during Diciembre, the rain falls for 7.6 days and regularly aggregates up to 46.8mm (1.84") of precipitation. Throughout the year, in Hamilton, Canada, there are 121.1 rainfall days, and 780.3mm (30.72") of precipitation is accumulated.

Snowfall

Enero through Abril, Noviembre and Diciembre are months with snowfall. In Hamilton, snow falls for 8.4 days, with typically accumulated 260mm (10.24") of snow. Throughout the year, in Hamilton, there are 36.2 snowfall days, and 1181mm (46.5") of snow is accumulated.

Sea temperature

In Hamilton, the average seawater temperature in Diciembre is 4.8°C (40.6°F).
Note: For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

Daylight

The month with the shortest days is Diciembre, with an average of 9h of daylight.

Sunshine

The month with the least sunshine is Diciembre, with an average of 2.3h of sunshine.

UV index

Enero and Diciembre, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from the exposure to the Sun's UV rays for average individuals.
Note: In Diciembre, the average maximum UV index of 1 translate into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in Diciembre in Hamilton?

In Hamilton, in Diciembre, the average high-temperature is 2°C (35.6°F), and the average low-temperature is -4.7°C (23.5°F).

How much does it rain in Hamilton in Diciembre?

In Diciembre, the rain falls for 7.6 days. Throughout Diciembre, 46.8mm (1.84") of precipitation is accumulated.

How many days does it snow in Diciembre in Hamilton?

In Hamilton, during Diciembre, snow falls for 8.4 days and regularly aggregates up to 260mm (10.24") of snow.

How cold is the water in Diciembre in Hamilton?

In Diciembre, the average sea temperature is 4.8°C (40.6°F). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

What is the month with the shortest days in Hamilton?

With an average of 9h of daylight, Diciembre has the shortest days of the year in Hamilton, Canada.

How many hours of daylight does Hamilton have in Diciembre?

In Hamilton, the average length of the day in Diciembre is 9h.

What is the month with the least sunshine in Hamilton?

The month with the least sunshine is Diciembre, with an average of 2.3h of sunshine.

How long on average sun shines in Diciembre in Hamilton?

The average sunshine in Diciembre is 2.3h.

What is the month with the lowest UV index in Hamilton?

Enero and Diciembre, with an average maximum UV index of 1, are months with the lowest UV index in Hamilton, Canada.

What is the UV index intensity in Diciembre in Hamilton?

In Diciembre, the average daily maximum UV index in Hamilton, Canada, is 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from the exposure to the Sun's UV rays.
Average temperature in December - Hamilton, Canada
  • Average high temperature in December: 2°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 December: -4.7°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 December - Hamilton, Canada
  • Average rainfall in December: 46.8mm

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 December - Hamilton, Canada
  • Average rainfall days in December: 7.6 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 December - Hamilton, Canada
  • Average snowfall in December: 260mm

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 December - Hamilton, Canada
  • Average snowfall days in December: 8.4 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 December - Hamilton, Canada
  • Average sea temperature in December: 4.8°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 December / Average sunshine in December - Hamilton, Canada
  • Average daylight in December: 9h

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 December: 2.3h

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 December - Hamilton, Canada
  • Average UV index in December: 1

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).