Tokyo

Tokyo Prefecture Weather in August

Average temperatures, rainfall, sunshine and the best places to visit in Tokyo Prefecture, Japan in August.

Thinking about venturing to Tokyo Prefecture, Japan this August and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What to Expect in Tokyo Prefecture in August

Tokyo Prefecture, Japan is a region in Japan. August in Tokyo Prefecture generally has temperatures that range from warm to very warm, with precipitation levels ranging from high to heavy. August falls during the summer season.

Temperatures

During the day temperatures vary from warm in Oshima at 28°C (82°F) to very warm in Tokyo at 32°C (90°F). At night it cools down to 25°C (77°F) in Tokyo and 25°C (77°F) in Oshima. On average, August is the warmest month of the year in Tokyo Prefecture, Japan. So be prepared and pack summer clothes.

To explore the conditions in Tokyo Prefecture, Japan in more detail, check the map below.

Precipitation

In August, precipitation varies across different areas. From high rainfall in Tokyo with an average of 116 mm (4.6 in) to heavy rainfall in Okutama with 235 mm (9.3 in).

Average sunshine

Sunshine is fairly consistent across many areas. Tokyo receives about 177 hours of sunlight in August, providing a good balance between sunny spells and cloud cover. If you're after more sunshine hours, take a look at our weather planner for other sun-rich destinations worldwide.

Explore Tokyo Prefecture by month

Pick a month to see the average temperature, rainfall and sunshine in Tokyo Prefecture — and find the best time to visit. (based on Tokyo)

Best Places to Visit in Tokyo Prefecture in August

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Tokyo Prefecture.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Tokyo Prefecture

What is the weather like in August for some of the most popular destinations in Tokyo Prefecture, Japan?

Temperature range in Tokyo Prefecture (August)

Precipitation variation in Tokyo Prefecture (August)

Tokyo

In August Tokyo generally has very high temperatures with maximum daytime temperatures around 32°C (90°F), minimum nighttime temperatures around 25°C (77°F) and high monthly rainfall. So on average the conditions are tolerable that month.

July
August
September
Max temperature
30°C (86°F)
32°C (90°F)
28°C (82°F)
Min temperature
23°C (73°F)
25°C (77°F)
21°C (70°F)
Monthly sun hours
152 hours
177 hours
128 hours
Monthly rainfall
151 mm (5.9 in)
116 mm (4.6 in)
195 mm (7.7 in)
Monthly rainy days
19 days
16 days
19 days
Weather conditions

Hachioji

In August Hachioji generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 23°C (73°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

July
August
September
Max temperature
29°C (84°F)
30°C (86°F)
26°C (79°F)
Min temperature
22°C (72°F)
23°C (73°F)
19°C (66°F)
Monthly sun hours
155 hours
185 hours
137 hours
Monthly rainfall
227 mm (8.9 in)
191 mm (7.5 in)
255 mm (10 in)
Monthly rainy days
20 days
17 days
19 days
Weather conditions

Oshima

In August Oshima generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 25°C (77°F) and high monthly rainfall. So on average the conditions are pleasant that month.

July
August
September
Max temperature
26°C (79°F)
28°C (82°F)
27°C (81°F)
Min temperature
24°C (75°F)
25°C (77°F)
23°C (73°F)
Monthly rainfall
185 mm (7.3 in)
130 mm (5.1 in)
244 mm (9.6 in)
Monthly rainy days
19 days
16 days
20 days
Weather conditions

Tachikawa

In August Tachikawa generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 23°C (73°F) and heavy monthly rainfall. So on average the conditions are tolerable that month.

July
August
September
Max temperature
30°C (86°F)
31°C (88°F)
27°C (81°F)
Min temperature
22°C (72°F)
23°C (73°F)
20°C (68°F)
Monthly sun hours
155 hours
185 hours
137 hours
Monthly rainfall
207 mm (8.1 in)
172 mm (6.8 in)
237 mm (9.3 in)
Monthly rainy days
20 days
17 days
19 days
Weather conditions

Machida

In August Machida generally has very high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 24°C (75°F) and high monthly rainfall. So on average the conditions are tolerable that month.

July
August
September
Max temperature
29°C (84°F)
30°C (86°F)
27°C (81°F)
Min temperature
23°C (73°F)
24°C (75°F)
20°C (68°F)
Monthly sun hours
165 hours
208 hours
131 hours
Monthly rainfall
185 mm (7.3 in)
148 mm (5.8 in)
222 mm (8.7 in)
Monthly rainy days
19 days
16 days
19 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Tokyo Prefecture, in Japan.

Popular cities in August

Day & night temperatures, rainfall and average weather in Tokyo Prefecture in August.

City Weather Day temp Night temp Rainfall
Tokyo 32°C (90°F) 25°C (77°F) 116 mm (4.6 in)
Hachioji 30°C (86°F) 23°C (73°F) 191 mm (7.5 in)
Oshima 28°C (82°F) 25°C (77°F) 130 mm (5.1 in)
Tachikawa 31°C (88°F) 23°C (73°F) 172 mm (6.8 in)
Machida 30°C (86°F) 24°C (75°F) 148 mm (5.8 in)
Fuchu 31°C (88°F) 24°C (75°F) 151 mm (5.9 in)

Tokyo Prefecture weather in August: frequently asked questions

What is the weather like in Tokyo Prefecture, Japan in August?

In August, Tokyo Prefecture, Japan generally has unpleasant weather conditions. Tokyo sees daytime temperatures near 32°C (90°F), with nights cooling to roughly 25°C (77°F).

What is the average temperature in Tokyo Prefecture, Japan in August?

Daytime temperatures in Tokyo peak at roughly 32°C (90°F) in August, dropping to about 25°C (77°F) overnight.

Does Tokyo Prefecture, Japan get a lot of rain in August?

Tokyo typically receives notable rainfall in August, about 116 mm (4.6 in) on average across Tokyo Prefecture, Japan.

Is August a Good Time to Visit Tokyo Prefecture, Japan?

Given the typically tolerable weather conditions in Tokyo, August might be a good time to visit Tokyo Prefecture, Japan.

Generally speaking, the best visiting conditions can be found in May, June and November offering mostly pleasant weather in Tokyo. On the other hand, the month of January tends to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Tokyo Prefecture.

Weather and climate has detailed information for every country in the world. Are you going to Japan? Get detailed historical weather averages for many cities in Japan.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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