The average hourly wind speed in Tokyo is essentially constant during August, remaining within 0. For reference, on March 25 , the windiest day of the year, the daily average wind speed is 9. The lowest daily average wind speed during August is 7. Tokyo is located near a large body of water e. This section reports on the wide-area average surface temperature of that water. The growing season in Tokyo typically lasts for 11 months days , from around February 12 to around December 30 , rarely starting after March 5 , or ending before December Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature.
This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents.
Shortwave radiation includes visible light and ultraviolet radiation. The average daily incident shortwave solar energy in Tokyo is gradually decreasing during August, falling by 0. The highest average daily incident shortwave solar energy during August is 5. For the purposes of this report, the geographical coordinates of Tokyo are The topography within 2 miles of Tokyo contains only modest variations in elevation, with a maximum elevation change of feet and an average elevation above sea level of feet.
Within 10 miles also contains only modest variations in elevation feet. Within 50 miles contains only modest variations in elevation 6, feet. This report illustrates the typical weather in Tokyo, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, to December 31, There are 4 weather stations near enough to contribute to our estimation of the temperature and dew point in Tokyo.
For each station, the records are corrected for the elevation difference between that station and Tokyo according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.
The estimated value at Tokyo is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Tokyo and a given station. To get a sense of how much these sources agree with each other, you can view a comparison of Tokyo and the stations that contribute to our estimates of its temperature history and climate.
Please note that each source's contribution is adjusted for elevation and the relative change present in the MERRA-2 data. All data relating to the Sun's position e. Based on growing degree days alone, the first spring blooms in Tokyo should appear around March 24 , only rarely appearing before March 11 or after April 6. This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents.
Shortwave radiation includes visible light and ultraviolet radiation. The average daily incident shortwave solar energy experiences significant seasonal variation over the course of the year. The brighter period of the year lasts for 4. The brightest month of the year in Tokyo is May , with an average of 5. The darker period of the year lasts for 3. The darkest month of the year in Tokyo is December , with an average of 2.
For the purposes of this report, the geographical coordinates of Tokyo are The topography within 2 miles of Tokyo contains only modest variations in elevation, with a maximum elevation change of feet and an average elevation above sea level of feet. Within 10 miles also contains only modest variations in elevation feet. Within 50 miles contains only modest variations in elevation 6, feet. This report illustrates the typical weather in Tokyo, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, to December 31, There are 4 weather stations near enough to contribute to our estimation of the temperature and dew point in Tokyo.
For each station, the records are corrected for the elevation difference between that station and Tokyo according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations. The estimated value at Tokyo is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Tokyo and a given station.
To get a sense of how much these sources agree with each other, you can view a comparison of Tokyo and the stations that contribute to our estimates of its temperature history and climate. Please note that each source's contribution is adjusted for elevation and the relative change present in the MERRA-2 data.
All data relating to the Sun's position e. This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a kilometer grid. Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database. Time zones for airports and weather stations are provided by AskGeo. The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose.
Weather data is prone to errors, outages, and other defects. We assume no responsibility for any decisions made on the basis of the content presented on this site.
We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: 1 are based on computer models that may have model-based errors, 2 are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and 3 have particular difficulty with the weather in some coastal areas, especially small islands.
We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader.
You're permitted to use this graph as long as you provide prominent attribution with a link back close to the use of the graph. Full Year. Spring Summer Fall Winter. Climate in Tokyo Link. Throughout the year, there are Snowfall In Tokyo snow does not fall in April through December. Sea temperature With an average sea temperature of With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.
Daylight In August, the average length of the day in Tokyo is Sunshine The month with the most sunshine is August, with an average of A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to the Sun's UV rays for ordinary individuals. Note : The average daily UV index of 6 in August transform into the following instructions: Take precautions and adopt sun safety practices. Protection against sunburn is obliged.
The Sun's UV radiation is most powerful between 10 a. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
The reflection of water and sand dramatically increases exposure to the UV rays. FAQ What is the warmest month in Tokyo? What is the temperature in August in Tokyo? The average heat index a. What is the average humidity in August in Tokyo? How much does it rain in Tokyo in August? In Tokyo, in August , it is raining for 9. When it does not snow in Tokyo? In Tokyo, Japan, snow does not fall in April through December. Over the course of August, Tokyo , Japan , recieves an average of mm of rainfall divided by 17 rainy days.
With some form of precipitation occuring on various days across the year, there is a high chance you will experience rain, especially in June.
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