August weather forecast
Isagawa, Japan

August, the last month of the summer in Isagawa, is another warm month, with temperature in the range of an average low of 27.8°C (82°F) and an average high of 29.4°C (84.9°F).

Temperature

August is the warmest month, with an average high-temperature of 29.4°C (84.9°F) and an average low-temperature of 27.8°C (82°F).

Heat index

During August, the heat index is calculated to be a fiery hot 36°C (96.8°F). Adopt special protective actions against heat exhaustion and heat cramps. Long-duration activity risks heatstroke.
Keep in mind the heat index values are meant for areas in shade and with light wind. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a numerical representation of warmth when taking temperature and moisture levels into account. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. When relative humidity increases, the body's capacity to evaporate heat decreases, leading to a heightened sense of warmth. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

The average relative humidity in August is 81%.

Rainfall

In Isagawa, in August, during 21.3 rainfall days, 177mm (6.97") of precipitation is typically accumulated. Throughout the year, in Isagawa, there are 229 rainfall days, and 1489mm (58.62") of precipitation is accumulated.

Daylight

In August, the average length of the day is 13h and 4min.
On the first day of August, sunrise is at 05:53 and sunset at 19:15. On the last day of the month, sunrise is at 06:07 and sunset at 18:49 JST.

Sunshine

The average sunshine in August in Isagawa is 9.1h.

UV index

The months with the highest UV index in Isagawa are June through September, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 7 during August translates into the following directions:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.