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

April 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
April in Hamilton, Canada, is a fresh spring month, with average temperature ranging between max 11.7°C (53.1°F) and min 2.4°C (36.3°F).

Temperature

In Hamilton, the average high-temperature increases, from a cold 4.8°C (40.6°F) in March, to a fresh 11.7°C (53.1°F). The average low-temperature, in Hamilton, Canada, is 2.4°C (36.3°F).

Rainfall

In Hamilton, during April, the rain falls for 12.6 days and regularly aggregates up to 70.1mm (2.8") of precipitation. In Hamilton, during the entire year, the rain falls for 121.1 days and collects up to 780.3mm (30.7") of precipitation.

Snowfall

January through April, November and December are months with snowfall.

Sea temperature

In Hamilton, the average seawater temperature is 3.5°C (38.3°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

The average length of the day in Hamilton is 13.5h.

Sunshine

In April, the average sunshine is 6.1h.

UV index

In Hamilton, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from the exposure to the Sun's UV radiation for average individuals.
Note: In April, the average maximum UV index of 5 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in April in Hamilton?

In April, in Hamilton, Canada, the average high-temperature is 11.7°C (53.1°F), and the average low-temperature is 2.4°C (36.3°F).

How many days does it rain in April in Hamilton?

In Hamilton, Canada, in April, during 12.6 rainfall days, 70.1mm (2.8") of precipitation is typically accumulated.

What is the last month it snows in Hamilton?

April is the last month it regularly snows in Hamilton. During 1.2 snowfall days, in April, Hamilton aggregates 28mm (1.1") of snow.

What is the water temperature in April in Hamilton?

In Hamilton, in April, the average water temperature is 3.5°C (38.3°F). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

How many hours of daylight does Hamilton have in April?

The average length of the day in April in Hamilton, Canada, is 13.5h.

How many hours of sunshine does Hamilton have in April?

The average sunshine in April is 6.1h.

What is the UV index intensity in April in Hamilton?

In April, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to the UV radiation.
Average temperature in April - Hamilton, Canada
  • Average high temperature in April: 11.7°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 April: 2.4°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 April - Hamilton, Canada
  • Average rainfall in April: 70.1mm

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 April - Hamilton, Canada
  • Average rainfall days in April: 12.6 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 April - Hamilton, Canada
  • Average snowfall in April: 28mm

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 April - Hamilton, Canada
  • Average snowfall days in April: 1.2 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 April - Hamilton, Canada
  • Average sea temperature in April: 3.5°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 April / Average sunshine in April - Hamilton, Canada
  • Average daylight in April: 13.5h

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 April: 6.1h

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

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).