Day
12 °C
Night
4 °C
Sea
17 °C
Precipitation
47 mm
in month
Rainy days
5 days
in month
Daylight
10 hours
average
Sunshine
5 hours
average
Humidity
59 %
We make the most from 40 years of historical weather data to predict the best weather conditions.
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We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.
The metropolitan area of Tokyo, Japan generally experiences a climate that is pleasantly mild. Across the year, daytime temperatures fluctuate from a cool 10 °C (50 °F) in the chillier month of January to the warm peak of 31 °C (87 °F) during the hot August. Evening temperatures can drop to a brisk 2 °C (35 °F) in January but rise to a balmy 24 °C (75 °F) by August. Overall, January emerges as the driest month, averaging a mere 5 days of rainfall, while June sits on the opposite end as the most precipitous, accumulating up to 14 days of rain.
In January, Tokyo experiences some of its coldest day and night temperatures, hitting lows of 10 °C (50 °F) and 2 °C (35 °F), respectively. This is paralleled by the minimum number of rainy days, standing at 5 days, indicating the near peak of the dry season. Additionally, humidity dips to its lowest at a moderate 54 %.
February in Tokyo is characterized by a slight increase in the number of rainy days, which is noticeable with an average of 7 days. Alongside this, there is a gentle increment in the rainfall volume, indicating the ongoing presence of the dry season.
With spring approaching, Tokyo welcomes rising day and night temperatures in March, sitting at 14 °C (56 °F) and 5 °C (41 °F), respectively. The rainfall continues its upward climb along with the consecutive increase in rainy days, now totaling 11 days. Notably, the highest wind speeds of the year can be observed this month, averaging 5 m/s.
April sees a continued escalation in temperatures, with the day warming to 19 °C (66 °F) and the night to 10 °C (50 °F). The pattern of increasing rainfall also persists, now reaching 120 mm (4.74 in).
May is a dynamic month with escalating temperatures—23 °C (73 °F) during the day and 15 °C (59 °F) at night. Tourism in Tokyo starts to pick up, and the rainfall amount climbs to 138 mm (5.43 in). Sunlight hours peak with an average of 6 hours.
Tourism continues to blossom into June, as day temperatures climb to around 25 °C (78 °F), accompanied by warmer nights at 18 °C (65 °F). Rainy days hit their yearly maximum, recorded at 14 days, while sunlight becomes scarcer, dropping to 4 hours.
July's weather continues the warm trend, with day temperatures pushing to 29 °C (84 °F) and nights warming up to 22 °C (71 °F). A slight reduction in rain volume can be noted, with the average at 157 mm (6.19 in). Sunlight hours begin their ascent once again.
August highlights the year's temperature apex for Tokyo, with daytime and nighttime highs of 31 °C (87 °F) and 24 °C (75 °F), respectively. Rainfall patterns undergo a subtle shift, with a slight uptick in volume to 164 mm (6.45 in).
The onset of temperature drop becomes apparent in September, with day temperatures moderating to 27 °C (81 °F) and nights cooling down to 20 °C (69 °F). The rise in the number of rainy days can be observed, while the rainfall amount hits its annual zenith in September.
October in Tokyo witnesses a steady decline in day temperatures, with 22 °C (71 °F) recorded. The decrease in rainy days becomes more evident, while rainfall quantity also starts to diminish.
November maintains the cooling trend in Tokyo, not only in terms of day and night temperature dip to 17 °C (62 °F) and 9 °C (49 °F) but also in the lesser amounts of rainfall. The lengthening of sunlight hours suggests a respite from shorter days.
December in Tokyo carries forward the dry season's spirit with minimally rainy days amounting to 5 days, while also experiencing both day and night temperatures on the decline, noted at 12 °C (54 °F) and 4 °C (40 °F) respectively.
The usual maximum daytime temperature in Tokyo for January is 10 °C (50 °F), marking it as one of the coldest months.
On average, Tokyo receives approximately 56 mm (2.21 in) of rainfall in February.
March brings a palpable change in Tokyo's weather with warmer days and nights and a further increase in both rainfall and the number of rainy days.
In April, one can expect a further temperature increase and a steady rise in rainfall, with Tokyo transitioning fully into spring.
May in Tokyo spells warm days and mild nights, with increased precipitation, signifying a bustling tourist season ahead.
The rise in both day and nighttime temperatures in June propels Tokyo's tourism, despite it also being the peak of the rainy days.
July's temperatures in Tokyo provide perfect conditions for an array of outdoor activities, courtesy of the warm weather.
August in Tokyo showcases the zenith of the year's heat, but it remains moderately hot, offering a pleasant climate.
September brings a noticeable shift in Tokyo's climate, with a gradual reduction in heat and an apparent rise in precipitation.
October's weather in Tokyo is marked by cooler daytime temperatures and a reduction in both the number of rainy days and the amount of rainfall.
In November, Tokyo's temperatures showcase a continued cooling trend, setting the stage for the approaching winter.
December's weather in Tokyo is typified by cooler temperatures and a continuation of the dry spell that began earlier in the season.