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

January 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
January, the same as December, in Hamilton, Canada, is a freezing cold winter month, with temperature in the range of an average high of -0.9°C (30.4°F) and an average low of -8.5°C (16.7°F).

Temperature

The coldest month is January, with an average high-temperature of -0.9°C (30.4°F) and an average low-temperature of -8.5°C (16.7°F).

Rainfall

In Hamilton, Canada, in January, it is raining for 5.7 days, with typically 27.4mm (1.1") of accumulated precipitation. Throughout the year, there are 121.1 rainfall days, and 780.3mm (30.7") of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. The month with the most snowfall in Hamilton is January when snow falls for 10.5 days and typically aggregates up to 324mm (12.8") of snow.

Sea temperature

In January, the average sea temperature in Hamilton is 2.3°C (36.1°F).
Note: For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

Daylight

In Hamilton, the average length of the day is 9.4h.

Sunshine

The average sunshine in January is 2.8h.

UV index

Months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to the UV radiation for the ordinary person.
Note: The average daily UV index of 1 transform into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the coldest month in Hamilton?

The coldest month is January, with an average high-temperature of -0.9°C (30.4°F) and an average low-temperature of -8.5°C (16.7°F).

What is the temperature in January in Hamilton?

In Hamilton, in January, the average high-temperature is -0.9°C (30.4°F), and the average low-temperature is -8.5°C (16.7°F).

How many days does it rain in January in Hamilton?

In Hamilton, in January, it is raining for 5.7 days, with typically 27.4mm (1.1") of accumulated precipitation.

How much does it snow in Hamilton in January?

In Hamilton, in January, during 10.5 snowfall days, 324mm (12.8") of snow is typically accumulated.

What is the snowiest month in Hamilton?

January is the month with the most snowfall in Hamilton. Snow falls for 10.5 days and accumulates 324mm (12.8") of snow.

What is the water temperature in January in Hamilton?

In Hamilton, Canada, the average seawater temperature in January is 2.3°C (36.1°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 average length of the day in January in Hamilton?

The average length of the day in January in Hamilton, Canada, is 9.4h.

How long on average sun shines in January in Hamilton?

In January, the average sunshine in Hamilton is 2.8h.

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

Months with the lowest UV index are January and December, with an average maximum UV index of 1.

What is the UV index reading in January in Hamilton?

The average daily maximum UV index in January in Hamilton is 1. A UV Index reading of 2, and below, represents a low health risk from the exposure to the Sun's UV radiation.
Average temperature in January - Hamilton, Canada
  • Average high temperature in January: -0.9°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 January: -8.5°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 January - Hamilton, Canada
  • Average rainfall in January: 27.4mm

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 January - Hamilton, Canada
  • Average rainfall days in January: 5.7 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 January - Hamilton, Canada
  • Average snowfall in January: 324mm

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 January - Hamilton, Canada
  • Average snowfall days in January: 10.5 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 January - Hamilton, Canada
  • Average sea temperature in January: 2.3°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 January / Average sunshine in January - Hamilton, Canada
  • Average daylight in January: 9.4h

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 January: 2.8h

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 January - Hamilton, Canada
  • Average UV index in January: 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).