August weather forecastOtsuki, Japan

August

Weather in August

August, the last month of the summer in Otsuki, is another warm month, with an average temperature fluctuating between 18.8°C (65.8°F) and 27.3°C (81.1°F).

Temperature

With an average high-temperature of 27.3°C (81.1°F) and an average low-temperature of 18.8°C (65.8°F), August is the warmest month.

Heat index

August's heat index is calculated to be a hot 31°C (87.8°F). Long-standing exposure coupled with ongoing activity could result in exhaustion, possibly causing heat cramps.
Heat index determinations are made taking into account the shade and light air movements. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.

Humidity

In August, the average relative humidity in Otsuki, Japan, is 83%.

Rainfall

In August, the rain falls for 25.3 days. Throughout August, 131mm (5.16") of precipitation is accumulated. Throughout the year, there are 209 rainfall days, and 1496mm (58.9") of precipitation is accumulated.

Snowfall

In Otsuki, Japan, snow does not fall in May through October.

Daylight

In August, the average length of the day in Otsuki is 13h and 29min.
On the first day of the month, sunrise is at 04:52 and sunset at 18:48. On the last day of August, in Otsuki, sunrise is at 05:15 and sunset at 18:13 JST.

Sunshine

The month with the most sunshine is August, with an average of 9.6h of sunshine.

UV index

In Otsuki, Japan, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: In August, a daily maximum UV index of 5 leads to the following instructions:
Preventative actions are necessary - Recommendations to ward off sunburn are given. It's recommended to limit sun exposure when its radiation is at its peak during midday. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.

Updated: Jan 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The warmest month is August, with an average high-temperature of 27.3°C (81.1°F) and an average low-temperature of 18.8°C (65.8°F).

Otsuki in August has an average high-temperature of 27.3°C (81.1°F) and an average low-temperature of 18.8°C (65.8°F). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, is calculated to be 31°C (87.8°F).

The average relative humidity in August in Otsuki is 83%.

In Otsuki, in August, it is raining for 25.3 days, with typically 131mm (5.16") of accumulated precipitation.

May through October are months without snowfall.

In August, the average day length in Otsuki is 13h and 29min.

On the first day of August in Otsuki, Japan, sunrise is at 04:52 and sunset at 18:48. On the last day of the month, sunrise is at 05:15 and sunset at 18:13 JST.

With an average of 9.6h of sunshine, August has the most sunshine of the year in Otsuki.

The average sunshine duration in August is 9.6h.

In August, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J August S O N D

Jul

August

Sep

Average high temperature

25.9°C

27.3°C

23.3°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

8km/h

7.1km/h

7.4km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

3.2

6.7

Average UV index

Average cloud cover

Average visibility

Average temperature in August
Otsuki, Japan

Average high temperature in August: 27.3°C

The warmest month (with the highest average high temperature) is August (27.3°C).
The month with the lowest average high temperature is January (4.6°C).

Average low temperature in August: 18.8°C

The month with the highest average low temperature is August (18.8°C).
The coldest month (with the lowest average low temperature) is January (-4.3°C).

Average pressure in August
Otsuki, Japan

Average pressure in August: 1010.3mbar

The month with the highest atmospheric pressure is November (1018.4mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).

Average wind speed in August
Otsuki, Japan

Average wind speed in August: 6.6km/h

The windiest months (with the highest average wind speed) are March and April (8.6km/h).
The calmest month (with the lowest average wind speed) is August (6.6km/h).

Average humidity in August
Otsuki, Japan

Average humidity in August: 83%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is January (70%).

Average rainfall in August
Otsuki, Japan

Average rainfall in August: 131mm

The wettest month (with the highest rainfall) is October (219mm).
The driest month (with the least rainfall) is January (54mm).

Average rainfall days in August
Otsuki, Japan

Average rainfall days in August: 25.3 days

The month with the highest number of rainy days is August (25.3 days).
The month with the least rainy days is January (8.2 days).

Average snowfall in August
Otsuki, Japan

Average snowfall in August: 0mm

The month with the highest snowfall is March (284mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in August
Otsuki, Japan

Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (12.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in August /
Average sunshine in August
Otsuki, Japan

Average daylight in August: 13h and 30min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

Average sunshine in August: 9h and 36min

The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is February (Average sunshine: 5h and 54min).

Average sunshine days in August
Otsuki, Japan

Average sunshine days in August: 3.2 days

The month with the most sunshine days is January (15.1 days).
The month with the least sunshine days is August (3.2 days).

Average UV index in August
Otsuki, Japan

Average UV index in August: 5

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in August
Otsuki, Japan

Average cloud cover in August: 46

The month with the most cloud cover is June (Cloud cover 53).
The month with the least cloud cover is January (Cloud cover 28).

Average visibility in August
Otsuki, Japan

Average visibility in August: 8km

The months with the highest visibility are January, February, March, April, November and December (9km).
The months with the lowest visibility are May, June, July, August, September and October (8km).