The climate of Hamamatsu
Situated in the island country of
Japan,
Hamamatsu falls under the Köppen climate classification 'Cfa', indicating a humid subtropical climate. This climate means there is no dry season in the city. A noticeable aspect of this tranquil city is its year-round weather fluctuation.
Throughout the year, the temperature varies between 3.2°C (37.8°F) and 29.2°C (84.6°F), creating a warm and temperate ambiance. The highest temperatures are typically observed in
July and
August, with an average peak of 29.2°C (84.6°F), while
January witnesses the coolest conditions, with the mercury dipping to an average low of 3.2°C (37.8°F). Furthermore, the levels of relative humidity extend from 65% to 83%, with August demonstrating the highest humidity.
Meanwhile, rainfall distribution fluctuates throughout the year, ranging from a modest 37mm (1.46") in January to a maximum of 205mm (8.07") in July. No significant snowfall occurs; however, snowfall days can be expected in January and
February, though these are quite rare with approximately only 0.1 and 0.2 possible days of snowfall respectively. The wind speed fluctuates from 12.2km/h (7.6mph) to 22.9km/h (14.2mph), with
December displaying the highest wind speed.
The coastal city also boasts sea temperatures that range from 15.1°C (59.2°F) to an enjoyable 26.8°C (80.2°F), perfect for an afternoon swim during the warmer months. In addition, cloud cover varies moderately throughout the year, with cloud percentage reaching upwards of 42% in
June.
The best time to visit Hamamatsu
To make the most of the outdoor attractions and enjoyable weather conditions, consider visiting between
September and
November. During these months, the temperatures average between a comfortable 16.5°C (61.7°F) to 25.9°C (78.6°F). There might be rainfall, particularly in
October with 162mm (6.38"); however, the humidity tends to be more manageable, ranging from 70% to 77%. In November, wind speeds average at 16.2km/h (10.1mph), adding to the pleasant outdoor ambiance.
The worst time to visit Hamamatsu
Considering the high humidity levels and heavy rainfall, the months of
June to
August could be less favorable for a visit to
Hamamatsu. During these months, humidity levels reach 80% to 83%, and rainfall measures from 154mm (6.06") to 205mm (8.07"). The sea temperature does reach an inviting 25.8°C (78.4°F) to 26.8°C (80.2°F), but the intense rainfall and humidity might hinder outdoor activities.
Spring weather in Hamamatsu
Spring arrives in
Hamamatsu from
March to
May. During this period, temperatures gradually increase from 12.6°C (54.7°F) to 21°C (69.8°F), creating a perfect backdrop for the blooming cherry blossoms. Relative humidity extends from 68% to 73%, while daylight hours begin increasing, offering between 12 hours to 14 hours of daylight. The spring rainfall measures between 88mm (3.46") in March to 115mm (4.53") in May.
Summer weather in Hamamatsu
Between
June and
August,
Hamamatsu experiences a warm and humid summer. The relative humidity is particularly high during this season, ranging from 80% to 83%. The temperature averages from 23.7°C (74.7°F) to 29.2°C (84.6°F), with rainfall measuring from 154mm (6.06") to 205mm (8.07"). Despite the wet season, the sea temperature rises to a delightful 25.8°C (78.4°F) to 26.8°C (80.2°F).
Autumn weather in Hamamatsu
From
September to
November, autumn graces
Hamamatsu with an enchanting display of changing foliage. Temperatures gradually decrease from 25.9°C (78.6°F) to 16.4°C (61.5°F), offering a more cooling climate. Rainfall levels range between 125mm (4.92") and 162mm (6.38"). Overall, autumn presents a picturesque setting for exploring the city's natural landscapes.
Winter weather in Hamamatsu
In
Hamamatsu, winter sets in from
December to
February. During this season, temperatures taper from 10.8°C (51.4°F) to a chilly 3.2°C (37.8°F), with moderate humidity levels averaging between 65% and 69%. Despite minimal snowfall, the brisk winter air can be a refreshing contrast to the warmer months. The rainfall dips to 37mm (1.46") to 58mm (2.28"), making it the driest season of the year.
Weather in January
The
Hamamatsu weather takes on varied hues in
January, with crisp air and cool temperatures. Characterized by some of the lowest temperatures of the year, from a high of 8.5°C (47.3°F) to a low of 3.2°C (37.8°F), the month introduces the chilly season.
Weather in January »Weather in February
In
February, the weather in
Hamamatsu maintains a consistent cold trend, but with a slight increase from
January's temperatures. There's a 2.1% increase in relative humidity from the previous month, indicating a rise in atmospheric moisture.
Weather in February »Weather in March
With blooms peeking out,
March brings
Hamamatsu a hint of spring's machination. The gradual escalation of temperature amidst March's refreshing breezes from a low of 6.3°C (43.3°F) signifies the transition from winter's end. Compared to
February, this month brings an increase in rainfall, symbolizing the advent of the rainy season.
Weather in March »
Weather in April
As the mild temperature of
April greets
Hamamatsu, it resembles the welcoming arms of spring. This month, compared to
March, experiences a noticeable leap in temperature, reaching up to 16.5°C (61.7°F), indicative of the warmth creeping in.
Weather in April »Weather in May
May in
Hamamatsu presents residents and visitors with the sweet allure of temperate weather. It signifies a seamless shift from the cool months to the warmer ones as temperatures ascend on average but stay below 23.7°C (74.7°F). A significant difference in rainfall from
April illustrates the progression towards the wet season, while the sun continues to shine for longer intervals.
Weather in May » Weather in June
With the onset of
June,
Hamamatsu transitions into the hot, sultry summer days. The increase in maximum temperatures has become more apparent while the city experiences hints of summer's warmth. Compared to
May, the increasing humidity level reaching up to 80% alongside a noticeable elevation in rainfall signals the initiation of the hydration cycle.
Weather in June »
Weather in July
Steadily,
Hamamatsu's weather shifts to warm, sultry
July, reaching the peak of summer heat. The highest temperature of the year is observed with a high reaching up to 27.4°C (81.3°F). However, July also presents a higher frequency of rainy days compared to the preceding months.
Weather in July »Weather in August
Despite an apparent plateauing of temperatures,
August announces the pinnacle of summer's sizzle in
Hamamatsu with a maximum temperature going up to 29.2°C (84.6°F). In stark contrast to the preceding month, August records a decrease in rainfall, presenting partly cloudy skies.
Weather in August »Weather in September
September unveils
Hamamatsu's gradual transition towards the cooler period of the year. A trend of declining temperatures, compared to
August, foretells the forthcoming autumn month. A minor enhancement in rainfall accompanies the shift in season, mandating an umbrella's presence for outdoor expeditions.
Weather in September »
Weather in October
October's arrival in
Hamamatsu heralds the deeper stages of autumn, with a prominent drop in temperature. A stark increase in precipitation from
September to 162mm (6.38") unveils October as a considerably wet month. While the city experiences fewer daylight hours, vibrant foliage stands out under the generously-spread sunlight.
Weather in October » Weather in November
The weather in
November encapsulates
Hamamatsu's progression into the colder months. Diminished temperature outlines the transition, with the average high temperature falling from the preceding month' warm autumn day to a cooler 16.4°C (61.5°F).
Weather in November »Weather in December
Come
December,
Hamamatsu embraces colder days and a touch of winter's chill. Temperature drops substantially from
November's figures, leading to a crisp, chilly atmosphere in Hamamatsu. However, December applauds the decreasing trend in precipitation, leading to drier days.
Weather in December » [Resources]