August weather forecast
Susami, Japan

August

Weather in August

The last month of the summer, August, is also a moderately hot month in Susami, Japan, with an average temperature varying between 25°C (77°F) and 28.3°C (82.9°F).

Temperature

In Susami, the average temperatures in August are the highest, with a peak at 28.3°C (82.9°F) and a low of 25°C (77°F).

Heat index

Throughout August, the heat index is appraised at a tropical 33°C (91.4°F). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.

Humidity

In August, the average relative humidity is 82%.

Rainfall

In Susami, in August, it is raining for 22.3 days, with typically 150mm (5.91") of accumulated precipitation. In Susami, during the entire year, the rain falls for 172.3 days and collects up to 1363mm (53.66") of precipitation.

Snowfall

In Susami, snow does not fall in March through November.

Daylight

The average length of the day in August is 13h and 23min.
On the first day of the month, sunrise is at 05:10 and sunset at 18:58. On the last day of August, sunrise is at 05:31 and sunset at 18:25 JST.

Sunshine

With an average of 10.9h of sunshine, August has the most sunshine of the year.

UV index

In August, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the average person.
Note: In August, the maximum UV index of 6 translates into these guidelines:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.

Frequently asked questions

What is the hottest time of year in Susami?
Susami's temperatures tend to reach their peak averages in August, with a high of 28.3°C (82.9°F) and a low of 25°C (77°F).
How hot is it in August?
The average high-temperature, in August, in Susami, is 28.3°C (82.9°F), while the average low-temperature is 25°C (77°F). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, is appraised at 33°C (91.4°F).
What is the average humidity in August?
In August, the average relative humidity is 82%.
How many days does it rain in August?
In Susami, in August, it is raining for 22.3 days, with typically 150mm (5.91") of accumulated precipitation.
When it does not snow?
In Susami, snow does not fall in March through November.
How many hours of daylight does Susami have in August?
In Susami, the average day length in August is 13h and 23min.
What time are sunrise and sunset in August?
In August, on the first day of the month, sunrise is at 05:10 and sunset at 18:58. On the last day of the month, sunrise is at 05:31 and sunset at 18:25 JST.
What month has the most sunshine?
The month with the most sunshine in Susami is August, with an average of 10.9h of sunshine.
How long on average sun shines in August?
In Susami, the average sunshine duration in August is 10.9h.
What is the UV index reading in August?
In August, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in August - Susami, Japan
Average temperature in August
Susami, Japan
  • Average high temperature in August: 28.3°C

The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (9.3°C).

  • Average low temperature in August: 25°C

The month with the highest average low temperature is August (25°C).
The coldest month (with the lowest average low temperature) is January (5.3°C).

Average pressure in August - Susami, Japan
Average pressure in August
Susami, Japan
  • Average pressure in August: 1009.4mbar

The months with the highest atmospheric pressure are January and February (1019.3mbar).
The month with the lowest atmospheric pressure is June (1008.7mbar).

Average wind speed in August - Susami, Japan
Average wind speed in August
Susami, Japan
  • Average wind speed in August: 12.7km/h

The windiest month (with the highest average wind speed) is January (21.6km/h).
The calmest month (with the lowest average wind speed) is July (12.6km/h).

Average humidity in August - Susami, Japan
Average humidity in August
Susami, Japan
  • Average humidity in August: 82%

The month with the highest relative humidity is July (87%).
The month with the lowest relative humidity is January (70%).

Average rainfall in August - Susami, Japan
Average rainfall in August
Susami, Japan
  • Average rainfall in August: 150mm

The wettest month (with the highest rainfall) is July (226mm).
The driest month (with the least rainfall) is January (41mm).

Average rainfall days in August - Susami, Japan
Average rainfall days in August
Susami, Japan
  • Average rainfall days in August: 22.3 days

The month with the highest number of rainy days is August (22.3 days).
The month with the least rainy days is January (8.8 days).

Average snowfall in August - Susami, Japan
Average snowfall in August
Susami, Japan
  • Average snowfall in August: 0mm

The month with the highest snowfall is February (2mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).

Average snowfall days in August - Susami, Japan
Average snowfall days in August
Susami, Japan
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (1 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average daylight in August / Average sunshine in August - Susami, Japan
Average daylight in August /
Average sunshine in August
Susami, Japan
  • Average daylight in August: 13h and 2min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in August: 10h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).

Average sunshine days in August - Susami, Japan
Average sunshine days in August
Susami, Japan
  • Average sunshine days in August: 5.5 days

The month with the most sunshine days is May (18 days).
The month with the least sunshine days is August (5.5 days).

Average UV index in August - Susami, Japan
Average UV index in August
Susami, Japan
  • Average UV index in August: 6

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).

Average cloud cover in August - Susami, Japan
Average cloud cover in August
Susami, Japan
  • Average cloud cover in August: 32

The month with the most cloud cover is June (Cloud cover 45).
The month with the least cloud cover is November (Cloud cover 29).

Average visibility in August - Susami, Japan
Average visibility in August
Susami, Japan
  • Average visibility in August: 10km

The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (10km).
The month with the lowest visibility is July (9km).

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