Climate and monthly weather forecastHamilton, Canada

Climate and monthly weather forecast
The climate of Hamilton
Hamilton, Canada falls under the Dfb code of the Köppen climate classification. This encapsulates a humid continental climate, characterized by a warm summer with no dry season. Located in the northern hemisphere, Hamilton experiences quite distinct variations across the year in terms of weather parameters.The city observes a significant temperature range throughout the year. While January confronts the coldest weather with average high and low temperatures of -2.3°C (27.9°F) and -7.3°C (18.9°F) respectively, July stays the warmest month with average highs and lows of 25.4°C (77.7°F) and 17.3°C (63.1°F) respectively. Over the year, the temperatures fluctuate from a low of -7.3°C (18.9°F) to a high of 25.4°C (77.7°F).
In addition, Hamilton's annual precipitation pattern shows a diversity, with rainfall peaking at 74mm (2.91") in July. There is no month completely devoid of rainfall, the least coming in September measured at 44mm (1.73"). The city observes the highest humidity in February at 85% and the lowest in April at 75%.
When it comes to snowfall, Hamilton features a cold season. The maximum snowfall, 137mm (5.39"), comes about in February while no snowfall is reported from June to November. January and February bear witness to the highest number of snowfall days, 14.8 and 14.3 respectively.
The best time to visit Hamilton
Tourists planning a visit to Hamilton might find the period between June and September most favorable. During this timeframe, the city's weather turns warm with average high temperatures climbing to between 21.4°C (70.5°F) and 25.4°C (77.7°F). The rain showers stay sporadic, yet abundant enough to maintain a lush environment. The sea temperature, a significant factor for water-related activities, rises from 16.3°C (61.3°F) in June to its peak value of 23.4°C (74.1°F) in August. Moreover, the duration of daylight reaches its longest extent, offering ample time for sightseeing.The worst time to visit Hamilton
People sensitive to cold may find December to February quite challenging in Hamilton. During these months, the high temperatures dip below freezing,averaging from -2.3°C (27.9°F) to 1.4°C (34.5°F). Furthermore, high chances of snowfall, reaching up to 137mm (5.39") in February accompanied by 14.8 snowfall days in January, could disrupt travel plans.Spring weather in Hamilton
Spring in Hamilton, Canada is identifiable by warming temperatures and increased rainfall. From March to May, the average high temperatures steadily ascend from 3.8°C (38.8°F) to 17.2°C (63°F) while the minimum temperatures rise from -2.6°C (27.3°F) to 8.8°C (47.8°F). Consequently, the snow begins to recede, and in May, the snowfall days report almost' no' value. This timeframe also records an increasing trend in rainfall with March receiving 56mm (2.2") and May receiving 69mm (2.72").Summer weather in Hamilton
During summer, Hamilton gets bathed in warm weather with temperatures peaking at 25.4°C (77.7°F) in July. As summer marches on,from June to August, the average high temperatures hover between 21.4°C (70.5°F) and 25.4°C (77.7°F) while the lows range from 13.6°C (56.5°F) to 17.3°C (63.1°F). July sees the highest rainfall during the year with 74mm (2.91") spread across 19.2 days. Meanwhile, the sea temperature reaches up to 23.4°C (74.1°F), making coastal activities highly inviting.Autumn weather in Hamilton
Autumn in Hamilton sees dropping temperatures and decreasing rainfall. Through September till November, the average highs fall from 21.4°C (70.5°F) to 7.1°C (44.8°F) and the average lows drop from 13.7°C (56.7°F) to 1.8°C (35.2°F). Rainfall also sees a dip with 44mm (1.73") in September and 48mm (1.89") in November. However, the timeframe offers a steady amount of sunshine, averaging above 4.7 hours per day.Winter weather in Hamilton
Winter in Hamilton is characterised by cold temperatures and considerable snowfall. From December to February, the city observes an average high temperature of -2.3°C (27.9°F) to 1.4°C (34.5°F) and an average low of -7.3°C (18.9°F) to -2.8°C (27°F). The maximum snowfall is recorded in February, which goes up to 137mm (5.39") spread over 14.3 days. The sea temperature drops to 4.8°C (40.6°F) in December, making water-related activities a tough proposition. Despite this, December retains a fair amount of sunshine, approximately 3.5 hours a day, before it falls to 2.5 hours in January.Weather in January
January greets Hamilton, Canada, with a firm grip of winter, paving the way for snow-clad landscapes. A stark contrast exists amid the high temperature of -2.3°C (27.9°F) and the low of -7.3°C (18.9°F), showcasing the seasonal chill. Weather in January »Weather in February
February continues the journey in the heart of winter, with slightly higher temperatures than January. Still, the season does not relent, presenting Hamilton with a snowfall record of 137mm (5.39"), the peak for the year. Despite the lingering chill, the city awakens from its winter slumber, preparing for the oncoming spring. Weather in February »Weather in March
March marks a transition from the severe winter to a mildly cold weather, bringing welcome respite for Hamilton's residents. The highest recorded temperature is 3.8°C (38.8°F), while snowfall decreases to 52mm (2.05"). The city begins to thaw, providing a glimpse of the impending spring. Weather in March »Weather in April
Hamilton in April begins to experience the warm embrace of spring, dusting off the drapes of winter. The usual chill sees a significant reduction with temperatures soaring up to 10°C (50°F). Blooming flora casting their spell on the city, complemented by the clear blue skies. Weather in April »Weather in May
When May arrives, Hamilton shakes off the remains of the chill, basking in the sunny ambience of spring. Temperature reaches its zenith at 17.2°C (63°F), making it conducive for outdoor activities. The elongated daylight hours invite residents to embrace the outdoor festivities. Weather in May »Weather in June
June showcases the onset of summer in Hamilton, accompanied by an increasing length of daylight. Temperatures often peak at 21.8°C (71.2°F), marking the city's transition to a warm climate. Beach visits become a routine with water temperatures touching 16.3°C (61.3°F). Weather in June »Weather in July
July sees Hamilton in the deep end of summer, with the mercury rising to an apex of 25.4°C (77.7°F). Clear skies and bright sunshine ramp up outdoor life, making it a popular month for gatherings and festivals. The highest sea temperature, noted at 22.8°C (73°F), beckons water sport enthusiasts. Weather in July »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. Weather in August »Weather in September
September brings a whiff of autumn as Hamilton's weather begins its transition from summer's end. The highest temperature recorded recedes to 21.4°C (70.5°F), offering relief from summer heat. The fall foliage starts to make its appearance, providing a stark contrast to the receding greenery. Weather in September »Weather in October
October presents Hamilton in its autumn glory, with temperatures falling to an average high of 14.1°C (57.4°F). The city wears a vibrant mantle, displaying hues of amber, ochre and red. Leaf peeping becomes a favourite pastime as trees transform into artists' palettes. Weather in October »Weather in November
In November, Hamilton edges towards winter as temperatures tumble, and the city's landscapes transform. Temperatures usually do not go beyond 7.1°C (44.8°F), signalling the cold season, as a blanket of snow starts to cover the city. Weather in November »Weather in December
December sees Hamilton in full winter mode with temperatures often plunging to a mere 1.4°C (34.5°F). Snowfall totals 74mm (2.91"), rendering the city a white winter wonderland. The festive spirit prevails, overcoming the sub-zero conditions of the city. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Hamilton, Canada
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).
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
Hamilton, Canada
- Average pressure in January:
1017.4mbar - Average pressure in February:
1017.3mbar - Average pressure in March:
1018.5mbar - Average pressure in April:
1014.8mbar - Average pressure in May:
1015.4mbar - Average pressure in June:
1013.3mbar
- Average pressure in July:
1014.1mbar - Average pressure in August:
1014.7mbar - Average pressure in September:
1017.1mbar - Average pressure in October:
1015.6mbar - Average pressure in November:
1018.5mbar - Average pressure in December:
1017.6mbar
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
Hamilton, Canada
- Average wind speed in January:
19km/h - Average wind speed in February:
18.2km/h - Average wind speed in March:
16.8km/h - Average wind speed in April:
16.7km/h - Average wind speed in May:
13.2km/h - Average wind speed in June:
12.2km/h
- Average wind speed in July:
11.3km/h - Average wind speed in August:
11.9km/h - Average wind speed in September:
12.7km/h - Average wind speed in October:
16.2km/h - Average wind speed in November:
17.4km/h - Average wind speed in December:
17.9km/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
Hamilton, Canada
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (75%).
Average rainfall
Hamilton, Canada
The wettest month (with the highest rainfall) is July (74mm).
The driest month (with the least rainfall) is September (44mm).
Average rainfall days
Hamilton, Canada
- Average rainfall days in January:
9.7 days - Average rainfall days in February:
9.3 days - Average rainfall days in March:
13.3 days - Average rainfall days in April:
16.3 days - Average rainfall days in May:
18.3 days - Average rainfall days in June:
16.7 days
- Average rainfall days in July:
19.2 days - Average rainfall days in August:
17.3 days - Average rainfall days in September:
14.1 days - Average rainfall days in October:
16.5 days - Average rainfall days in November:
13.1 days - Average rainfall days in December:
11.4 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
Hamilton, Canada
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
Hamilton, Canada
- Average snowfall days in January:
14.8 days - Average snowfall days in February:
14.3 days - Average snowfall days in March:
8.3 days - Average snowfall days in April:
3.1 days - Average snowfall days in May:
0.3 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.2 days - Average snowfall days in November:
5.2 days - Average snowfall days in December:
12.4 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
Hamilton, Canada
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 / Average sunshine
Hamilton, Canada
- Average daylight in January:
9h and 24min - Average daylight in February:
10h and 30min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 42min - Average daylight in June:
15h and 18min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 42min - Average daylight in December:
9h and 0min
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 January:
3h and 12min - Average sunshine in February:
3h and 30min - Average sunshine in March:
5h and 42min - Average sunshine in April:
7h and 36min - Average sunshine in May:
9h and 6min - Average sunshine in June:
9h and 54min
- Average sunshine in July:
10h and 36min - Average sunshine in August:
10h and 30min - Average sunshine in September:
9h and 18min - Average sunshine in October:
4h and 54min - Average sunshine in November:
4h and 42min - Average sunshine in December:
3h and 30min
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
Hamilton, Canada
- Average sunshine days in January:
9.6 days - Average sunshine days in February:
9 days - Average sunshine days in March:
10.8 days - Average sunshine days in April:
10.2 days - Average sunshine days in May:
11.2 days - Average sunshine days in June:
12.1 days
- Average sunshine days in July:
9.8 days - Average sunshine days in August:
10.5 days - Average sunshine days in September:
13.8 days - Average sunshine days in October:
12.1 days - Average sunshine days in November:
12.5 days - Average sunshine days in December:
9.9 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
Hamilton, Canada
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
Hamilton, Canada
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
Hamilton, Canada
The month with the highest visibility is August (10km).
The month with the lowest visibility is January (8km).





