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Contents
- The climate of Kochi
- The best time to visit Kochi
- The worst time to visit Kochi
- Spring weather in Kochi
- Summer weather in Kochi
- Autumn weather in Kochi
- Winter weather in Kochi
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average humidity
- Average rainfall
- Average rainfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average UV index
The climate of Kochi
Located on the southern coast of Japan's Shikoku Island, Kochi experiences a Humid subtropical climate characterized by a hot, wet summer and mild winter as defined by the Köppen climate classification (Cfa). Predominantly, there is no dry season and the weather is quite moderate throughout the year with rainfall and high humidity being key elements of this climate.
Over the year, the temperature in Kochi varies from 1.6°C (34.9°F) in the cooler months to 31.9°C (89.4°F) during the hottest periods. Overall, the climate fluctuates considerably with average relative humidity hovering between 59% to 78%. Despite the claim that a substantial amount of rainfall occurs throughout the year, it ranges from 58mm (2.28") in the driest months to 350mm (13.78") in the months with maximum precipitation.
Uniquely, Kochi has a significant number of rainfall days, hitting a peak of 20.1 days in the rainiest months while dropping to 12 days in the less wet periods. The city also enjoys sunshine hours varying from 4.7 hours to 6.6 hours and daylight hours span from a low of 10 hours to a high of 14.4 hours. The ultraviolet index value, providing insight into potential sun exposure risk, ranges from low (3) in the darker months to extremely high (11) during sunniest periods.
Over the year, the temperature in Kochi varies from 1.6°C (34.9°F) in the cooler months to 31.9°C (89.4°F) during the hottest periods. Overall, the climate fluctuates considerably with average relative humidity hovering between 59% to 78%. Despite the claim that a substantial amount of rainfall occurs throughout the year, it ranges from 58mm (2.28") in the driest months to 350mm (13.78") in the months with maximum precipitation.
Uniquely, Kochi has a significant number of rainfall days, hitting a peak of 20.1 days in the rainiest months while dropping to 12 days in the less wet periods. The city also enjoys sunshine hours varying from 4.7 hours to 6.6 hours and daylight hours span from a low of 10 hours to a high of 14.4 hours. The ultraviolet index value, providing insight into potential sun exposure risk, ranges from low (3) in the darker months to extremely high (11) during sunniest periods.
The best time to visit Kochi
Kochi provides warmth and ample sunshine hours, making the spring months from March to May welcoming for tourists. During this period, temperatures rise steadily from 15.9°C (60.6°F) to 24.4°C (75.9°F) coupled with decreasing rainfall from 190mm (7.48") to 292mm (11.5"). Sea temperature improves from 16.9°C (62.4°F) to 20.8°C (69.4°F) making it comfortable for water activities. With UV index moderating from 6 to 10, it would be prudent to carry suitable sun protection gear.
The worst time to visit Kochi
The summer months from June to August are the least advised for visitation given the surge in temperatures and humidity. During these months, the city faces the maximum temperature of 30.7°C (87.3°F) to 31.9°C (89.4°F) and humidity peaking at 78%. Coupled with an increase in rainfall and sea temperatures hit highs of 26.7°C (80.1°F) to 27.8°C (82°F), these conditions make outdoor activities less comfortable and enjoyable.
Spring weather in Kochi
Spring in Kochi brings mild and pleasant weather. Temperatures begin to rise from March, averaging from 15.9°C (60.6°F) to 20.8°C (69.4°F) by May. There is an accompanying drop in rainfall from 190mm (7.48") to 292mm (11.5") in the midst of spring and Ultraviolet index increasing from 6 to 8 nudging towards caution for sun-sensitive individuals. Humidity levels hover between 62% and 70% during these months.
Summer weather in Kochi
Summers in Kochi are notably hot and humid. Maximum temperatures reach 30.7°C (87.3°F), climbing further to 31.9°C (89.4°F) in August. The rainfall peaks as well this season, with the largest rainfall registers between 328mm (12.91") and 346mm (13.62"). Humidity levels rise to 77% and 78%, and the Ultraviolet index hits the roof at 11, indicating extreme caution for prolonged sun exposure.
Autumn weather in Kochi
Autumn witnesses a gradual reduction in temperature — from 29.3°C (84.7°F) in September to a much cooler 19.3°C (66.7°F) by November. Rainfall decreases considerably from 350mm (13.78") to 125mm (4.92"), but Kochi remains relatively humid with values from 73% in September to 67% in November. The Ultraviolet index also reduces, moving from 9 in September to a 4 in November, relieving visitors from extreme sun exposure.
Winter weather in Kochi
Winter months (December to February) are relatively mild in Kochi, with temperatures fluctuating between 1.6°C (34.9°F) and 12.9°C (55.2°F). Rainfall remains at its lowest with values ranging from 58mm (2.28") to 106mm (4.17"). The reduced humidity during this period (59% to 63%) and the low Ultraviolet index values (ranging from 3 to 4) make it an ideal time for outdoor activities without worrying about excessive sun exposure.
Weather in January
Beginning the year in Kochi, Japan, the climate expresses a chill, as temperatures typically hover at a low of 1.6°C (34.9°F), making it an ideal month for those preferring cooler conditions. Rainfall is moderate compared to the other months, but humidity remains relatively low. Weather in January »
Weather in February
The climate in February experiences a slight increase in temperature, but remains cool, revealing a transition from winter to spring in Kochi, Japan. Rainfall increases substantially from the initial month, creating a moist andgreen environment, while also slightly increasing the humidity. Weather in February »
Weather in March
Weather in March presents a substantial increase in temperatures, signaling the arrival of spring in Kochi, Japan. The city's rainfall peaks up to 190mm (7.48"), with relative humidity also on the rise, suggesting some umbrella days might be in order. Weather in March »
Weather in April
April brings warmer days to Kochi, with temperatures reaching up to 20.8°C (69.4°F), indicating the transition to a warmer season. City life sees more rainfall and humid conditions, which adds vibrancy to the local flora. While daylight hours extend slightly from the previous month, the UV index continues to rise. Weather in April »
Weather in May
May signifies the onset of summer in Kochi, Japan, as the days get considerably warmer. Rainfall levels rise, reaching 292mm (11.5"), and the trends point towards frequent showers enhancing the city's lush scenery. Despite increased temperature and humidity levels, daylight and sunshine hours remain fairly consistent. Weather in May »
Weather in June
June marks the start of a rainy season in Kochi, the city experiencing the highest relative humidity of the year. The month continues the summer trend with warm temperatures and long daylight hours persisting. Despite the substantial rainfall, the sea temperature remains agreeably warm. Weather in June »
Weather in July
July features the highest temperatures in Kochi, soaring to 30.7°C (87.3°F), marking the peak of summer. Coinciding with the hottest temperatures, the city also records one of its highest rainfall and highest sea temperatures, leading to a truly tropical environment. Weather in July »
Weather in August
August carries on the high temperatures from July in Kochi, Japan, albeit with a slight drop in rainfall. Even though the city witnesses a reduction in daylight hours, high humidity levels coupled with warm temperatures create a typical tropical summer environment. Weather in August »
Weather in September
As September begins, Kochi experiences a drop in temperature. The city sees a dramatic increase in rainfall, reaching up to 350mm (13.78"), making it the wettest month of the year. Despite the shift in weather patterns, the sea maintains its welcoming warmth, providing an ideal setting for water sports. Weather in September »
Weather in October
Transitioning into the cooler months, October in Kochi brings a decline in temperature, rainfall and humidity, signaling the start of autumn. Pleasant daytime temperatures and a moderation in rainfall, make it a month for outdoor activities, prepping Kochi for the mild winter soon to follow. Weather in October »
Weather in November
November in Kochi signifies the changing seasons with a further decline in temperature, rainfall, and sea temperature. Even though rainfall reduces drastically from the prior month, a slight increase in sunshine hours brightens the city. Weather in November »
Weather in December
Concluding the year in Kochi, temperatures seem to hit a low of 3.8°C (38.8°F), signaling the onset of winter.. The city experiences a further decline in temperatures, daylight hours and sea temperatures, implying colder and shorter days. Weather in December »
[Resources]Frequently asked questions
What are the coldest months in Kochi?
January is the coldest month of the year, registering average temperatures as high as 11.9°C (53.4°F) and as low as 1.6°C (34.9°F).
How many days does it rain in Kochi?
In Kochi, Japan, during the entire year, the rain falls for 188.2 days and collects up to 2548mm (100.31") of precipitation.
What is the month with the lowest UV index in Kochi?
The months with the lowest UV index are January and December, with an average maximum UV index of 3.
What is the least humid month in Kochi?
With an average relative humidity of 59%, February is the least humid month.
What months are the sea coldest in Kochi?
The months with the coldest seawater in Kochi, Japan, are February and March, with an average sea temperature of 16.9°C (62.4°F).
When are the longest days in Kochi?
With an average of 14h and 18min of daylight, June has the longest days of the year in Kochi.
What is the month with the least sunshine in Kochi?
With an average of 4.7h of sunshine, June has the least sunshine of the year in Kochi, Japan.
What are the months with the highest UV index in Kochi?
June and July, with an average maximum UV index of 11, are months with the highest UV index in Kochi.
What is the most humid month in Kochi?
July is the most humid month in Kochi, with an average relative humidity of 78%.
What are the warmest months in Kochi?
Kochi's warmest temperatures are experienced in August, with average high temperatures of 31.9°C (89.4°F) and lows of 24°C (75.2°F).
What month is the sea warmest in Kochi?
August is the month with the warmest seawater in Kochi, with an average sea temperature of 27.8°C (82°F).
What month has the most sunshine in Kochi?
The month with the most sunshine is August, with an average of 6.6h of sunshine.
What is the rainiest month in Kochi?
September is the month with the most rainfall. Rain falls for 18.5 days and accumulates 350mm (13.78") of precipitation.
What is the driest month in Kochi?
December is the month with the least rainfall in Kochi, Japan. Rain falls for 12.3 days and accumulates 58mm (2.28") of precipitation.
What is the month with the shortest days in Kochi?
The month with the shortest days in Kochi is December, with an average of 10h and 0min of daylight.
Is there Daylight Saving Time (DST) in Kochi?
Kochi does not utilize Daylight Saving Time (DST). JST timezone is used over the entire year.
Average temperature
Kochi, Japan
The warmest month (with the highest average high temperature) is August (31.9°C).
The month with the lowest average high temperature is January (11.9°C).
The month with the highest average low temperature is August (24°C).
The coldest month (with the lowest average low temperature) is January (1.6°C).
Average humidity
Kochi, Japan
The month with the highest relative humidity is July (78%).
The month with the lowest relative humidity is February (59%).
Average rainfall
Kochi, Japan
- Average rainfall in January:
58.6mm - Average rainfall in February:
106.3mm - Average rainfall in March:
190mm - Average rainfall in April:
244.3mm - Average rainfall in May:
292mm - Average rainfall in June:
346.4mm
- Average rainfall in July:
328.3mm - Average rainfall in August:
282.5mm - Average rainfall in September:
350mm - Average rainfall in October:
165.7mm - Average rainfall in November:
125.1mm - Average rainfall in December:
58.4mm
The wettest month (with the highest rainfall) is September (350mm).
The driest month (with the least rainfall) is December (58.4mm).
Average rainfall days
Kochi, Japan
- Average rainfall days in January:
13.1 days - Average rainfall days in February:
13.5 days - Average rainfall days in March:
16.5 days - Average rainfall days in April:
14.7 days - Average rainfall days in May:
15.9 days - Average rainfall days in June:
19.1 days
- Average rainfall days in July:
20.1 days - Average rainfall days in August:
18.8 days - Average rainfall days in September:
18.5 days - Average rainfall days in October:
13.7 days - Average rainfall days in November:
12 days - Average rainfall days in December:
12.3 days
The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is November (12 days).
Average sea temperature
Kochi, Japan
The best month for swimming (with the highest average sea temperature) is August (27.8°C).
The coldest months (with the lowest average sea temperature) are February and March (16.9°C).
Average daylight / Average sunshine
Kochi, Japan
- Average daylight in January:
10h and 1min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 5min - Average daylight in June:
14h and 2min
- Average daylight in July:
14h and 1min - Average daylight in August:
13h and 2min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 2min - Average daylight in December:
10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January:
6h and 1min - Average sunshine in February:
6h and 1min - Average sunshine in March:
5h and 5min - Average sunshine in April:
6h and 2min - Average sunshine in May:
6h and 0min - Average sunshine in June:
4h and 4min
- Average sunshine in July:
5h and 4min - Average sunshine in August:
6h and 4min - Average sunshine in September:
5h and 2min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 4min - Average sunshine in December:
6h and 1min
The month with the most sunshine is August (Average sunshine: 6h and 36min).
The month with the least sunshine is June (Average sunshine: 4h and 42min).
Average UV index
Kochi, Japan
The months with the highest UV index are June and July (UV index 11).
The months with the lowest UV index are January and December (UV index 3).
Kochi, Japan
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