Country Overview For Japan
The climate in Japan is typically varies from tropical in south to cool temperate in north. The terrain: mostly rugged and mountainous. For Tokyo in January the daily average maximum temperatures is 9°C with the average minimum 3°C, while in June the average maximum is 26°C with a minimum of 22°C. The wettest month for Tokyo is January with an average of 0.0mm of precipitation falling while the driest month is January with 0.0mm falling.
HISTORICAL MONTHLY AVERAGES FOR JULY
The information presented below gives detailed historical monthly average weather conditions along with exceptional weather occurrences. To maintain relevance to current weather trends the displayed information has been calculated using data collected over the past two decades. The climate profile is taken from closest available data source to Fuji.
Throughout the month of July daytime temperatures will generally reach highs of around 6°C that's about 43°F. At night the average minimum temperature drops down to around 3°C, that's 38°F.
In recent times the highest recorded temperature in July has been 19°C that's 66°F, with the lowest recorded temperature -3°C, about 26°F.
The average daily relative humidity for July is around 75%.
The Heat Index is a measure of how hot it feels when relative humidity is added to actual air temperature. From this a comfort level is calculated providing categories on how heat conditions might adversely affect someone.
Comfort Levels: Given average maximum temperatures and humidity levels generally you should not anticipate any discomfort from heat (see heat index for more information).
Estimated Hours of Sunshine per Day
We calculate sunshine hours per day using our past forecast data. For July expect the sun to shine for an average of 9 hours per day. This represents the average number of hours in the daytime that the sun is visible and not obscured by cloud e.g. the average number of hours the sun is actually out and shining. Note we calculate hours of sunshine per day using our past forecast data, not observation data, thus it is an estimate and not actual.
The average daily wind speed in July has been around 33 km/h, that’s the equivalent to about 20 mph, or 18 knots. In recent years the maximum sustained wind speed has reached 159 km/h, that’s the equivalent of around 99 mph, or 86 knots.
SWIMMING AND WATER TEMPERATURE
The temperature of water an individual will feel comfortable in is very much personal preference. What feels unbearably cold to one person for a swim might be fine for another. We have created our own Swimming Water Temperature Index offering a guide to water temperature and comfort levels for swimming;
In July, for the nearest coastal location, the temperature of the sea averages around 25°C, that's 77° Fahrenheit. Our index indicates for swimming this is considered warm and would be enjoyed by all, even those who are more likely to suggest the water was ‘too cold’ for a swim.
YEARLY TRENDS: WEATHER AVERAGES & EXTREMES
The following charts show yearly weather trends with information on monthly weather averages and extremes.
The chart below plots the average high and low temperature for each month of the year. It also shows the maximum and minimum recorded temperatures.
The chart below plots the average daily wind speed you can expect for any month. It also shows the maximum recorded sustained wind speed for each month.