Hamilton weather and climate in 2025
Day
28 °C
Night
16 °C
Sea
20 °C
Precipitation
84 mm
in month
Rainy days
9 days
in month
Daylight
15 hours
average
Sunshine
9 hours
average
Humidity
70 %
Day
28 °C
Night
16 °C
Sea
20 °C
Precipitation
84 mm
in month
Rainy days
9 days
in month
Daylight
15 hours
average
Sunshine
9 hours
average
Humidity
70 %
Overview: Hamilton
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Weather overview for Hamilton
Weather overview
Hamilton, Canada boasts a climate characterized by warm summers and chilly winters, with temperatures ranging from an average high of 28 °C (82 °F) in July to a brisk low of -8 °C (18 °F) during January nights. Precipitation is fairly evenly distributed throughout the year, with the wettest month receiving 84 mm (3.30 in) in July. Seasonal shifts bring about changes in weather patterns, with winter months seeing the coldest temperatures and higher winds, while summer offers plentiful sunshine and balmy weather conducive to outdoor activities.
January weather
January in Hamilton marks the heart of winter, with night temperatures reaching a freezing -8 °C (18 °F). Snow is a common sight, and the precipitation totals around 67 mm (2.66 in), making it one of the drier winter months. Wind gusts averaging 5 m/s remind residents to bundle up.
February weather
February in Hamilton continues to be chilly with an average daytime high of 1 °C (33 °F). The rainfall is nearly consistent with January, ensuring a stable winter climate. Night temperatures stay cold at around -7 °C (19 °F), with the city still under winter's grip.
March weather
March in Hamilton signals the approaching spring, with day temperatures rising to an average maximum of 5 °C (42 °F). Despite this, night temperatures can still fall to -3 °C (26 °F). With rain and wet conditions on 10, it's a transitional month.
April weather
April brings a significant shift in Hamilton's weather with a pleasant average daytime temperature of 13 °C (55 °F). Precipitation levels increase slightly to 65 mm (2.57 in), and with 11 of rain, spring showers are quite common.
May weather
As May arrives in Hamilton, the climate becomes more lively with an average daily high of 19 °C (67 °F). Humidity starts to rise, and there are around 11 of wet weather. Outdoor enthusiasts enjoy the ample sun hours, averaging 7 hours per day.
June weather
June ushers in the true warmth of summer in Hamilton with temperatures peaking at an average of 25 °C (76 °F) during the day. The city experiences around 10 of rain, but it's generally less heavy, totaling 74 mm (2.93 in). The humidity, at 70 %, begins to be more noticeable.
July weather
July represents the peak of summer in Hamilton, with the highest temperatures averaging 28 °C (82 °F). It's also the wettest month, with precipitation reaching up to 84 mm (3.30 in). Clear skies dominate, though, as the city basks in approximately 9 hours of sunshine per day.
August weather
August in Hamilton sees a slight dip in temperatures to an average high of 27 °C (80 °F), but it remains a perfect summer month. With 9 of rain and a humidity level of 74 %, the weather is ideal for enjoying the outdoors.
September weather
The arrival of September in Hamilton heralds the beginning of fall, with daytime temperatures averaging 22 °C (72 °F). Rainfall amounts to about 83 mm (3.28 in), and the city sees rain on an average of 10, introducing more variability in the weather.
October weather
October in Hamilton brings a cooler atmosphere with the average high dropping to 16 °C (60 °F). Despite the reduction in sun hours to 5 hours, it's an excellent month for witnessing the fall colors amidst 11 of rain.
November weather
November's chill becomes more pronounced in Hamilton, with day temperatures settling at around 9 °C (48 °F). The nights grow colder as the city experiences about 11 of precipitation, combining rain and potential early snow.
December weather
As the year comes to a close, December ushers in full winter conditions in Hamilton with a high of 3 °C (37 °F). Snow becomes more common, and the wind speeds pick up to an average of 5 m/s, reinforcing the winter chill.
FAQs
How cold does it get in Hamilton during January nights?
January nights in Hamilton are quite cold, with the mercury often dipping to -8 °C (18 °F). Proper winter attire, including layers and a good coat, is essential.
What are typical daytime temperatures in Hamilton in February?
Typical February days in Hamilton are cold with an average high of just 1 °C (33 °F). Residents often experience freezing conditions, urging the use of heaters and warm clothing.
Is March in Hamilton much warmer than the winter months?
March in Hamilton does start to warm up with a daytime high of 5 °C (42 °F), however, nights remain quite cold at -3 °C (26 °F) and it's not uncommon to see some winter weather linger.
Does April in Hamilton offer good weather for outdoor activities?
April's weather in Hamilton, with an average daytime temperature of 13 °C (55 °F), is ideal for outdoor activities, but it's still wise to carry a light jacket for the cooler evenings.
Can I expect warmth in Hamilton during May?
Certainly! May in Hamilton is comfortably warm with average days reaching 19 °C (67 °F). It's the month where you can really start to enjoy spring to its fullest.
How warm does Hamilton get in June?
June brings in a warm average high of 25 °C (76 °F), making for a beautiful summer month. From park visits to barbecues, there's plenty to do in Hamilton's warm weather.
What's the typical weather like in Hamilton in July?
Typical July weather in Hamilton is hot and sunny with temperatures reaching 28 °C (82 °F) on average during the day, but do expect some rain with the high level of precipitation.
Is August still good for beach-going in Hamilton?
Absolutely, August in Hamilton continues to be warm with an average high of 27 °C (80 °F), offering excellent conditions for beach days and outdoor events.
What's the transition into fall like in Hamilton?
The transition into fall is gentle in Hamilton, with pleasant warmth during the day at 22 °C (72 °F), but evening temperatures start to cool, indicating the changing seasons.
How does the weather in Hamilton change in October?
Hamilton's weather in October becomes noticeably crisper with average highs of 16 °C (60 °F) and the onset of more frequent rains and reduced sunlight, reflecting the deeper move into autumn.
What weather should I be prepared for in Hamilton in November?
November in Hamilton requires preparation for colder weather with daytime temperatures of 9 °C (48 °F), and the potential for both rain and snow as winter begins to approach.
Are December days very cold in Hamilton?
December days in Hamilton are indeed cold, with an average peak temperature of 3 °C (37 °F), along with increasing chances of snow, making for a typical Canadian winter setting.
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