August weather forecastNamerikawa, Japan
August
Weather in August
August, the last month of the summer in Namerikawa, is another warm month, with an average temperature varying between 21.2°C (70.2°F) and 27.9°C (82.2°F).Temperature
August, recognised by an average high temperature of 27.9°C (82.2°F) and a low of 21.2°C (70.2°F), is Namerikawa's warmest month.Heat index
The heat index in August is estimated at a hot 32°C (89.6°F). Prolonged exposure and physical activity might induce exhaustion, potentially causing heat cramps.When referencing the heat index, its values are suitable for shady environments and light breezes. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is an aggregate value of air's warmth and moisture to show the human-felt temperature. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Humidity
In August, the average relative humidity in Namerikawa is 79%.Rainfall
In Namerikawa, in August, during 22.2 rainfall days, 141mm (5.55") of precipitation is typically accumulated. Throughout the year, there are 218.8 rainfall days, and 1305mm (51.38") of precipitation is accumulated.Snowfall
May through November are months without snowfall.Sea temperature
The month with the warmest seawater is August, with an average sea temperature of 27°C (80.6°F).Note: Ideal surface water temperatures for any water activity fall between 25°C (77°F) and 29°C (84.2°F), offering maximum enjoyment for lengthened periods.
Daylight
In Namerikawa, the average length of the day in August is 13h and 32min.On the first day of the month, sunrise is at 04:56 and sunset at 18:57. On the last day of August, sunrise is at 05:20 and sunset at 18:20 JST.
Sunshine
The month with the most sunshine is August, with an average of 10.5h of sunshine.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.Note: A maximum UV index of 6 in August translates into the following recommendations:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Take note! Sand and water reflections strengthen the Sun's UV exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Namerikawa, Japan
- Average high temperature in August: 27.9°C
The warmest month (with the highest average high temperature) is August (27.9°C).
The month with the lowest average high temperature is January (2.6°C).
- Average low temperature in August: 21.2°C
The month with the highest average low temperature is August (21.2°C).
The coldest month (with the lowest average low temperature) is February (-2.8°C).
Average pressure in August
Namerikawa, Japan
- Average pressure in August: 1010.1mbar
The months with the highest atmospheric pressure are February and November (1019.4mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).
Average wind speed in August
Namerikawa, Japan
- Average wind speed in August: 7.4km/h
The windiest month (with the highest average wind speed) is December (12km/h).
The calmest months (with the lowest average wind speed) are June and August (7.4km/h).
Average humidity in August
Namerikawa, Japan
- Average humidity in August: 79%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is May (71%).
Average rainfall in August
Namerikawa, Japan
- Average rainfall in August: 141mm
The wettest month (with the highest rainfall) is July (179mm).
The driest month (with the least rainfall) is May (64mm).
Average rainfall days in August
Namerikawa, Japan
- Average rainfall days in August: 22.2 days
The month with the highest number of rainy days is July (24.8 days).
The month with the least rainy days is May (14.4 days).
Average snowfall in August
Namerikawa, Japan
- Average snowfall in August: 0mm
The month with the highest snowfall is January (469mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in August
Namerikawa, Japan
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (17.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in August
Namerikawa, Japan
- Average sea temperature in August: 27°C
The best month for swimming (with the highest average sea temperature) is August (27°C).
The coldest month (with the lowest average sea temperature) is March (10.8°C).
Average daylight in August /
Average sunshine in August
Namerikawa, Japan
- Average daylight in August: 13h and 30min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in August: 10h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in August
Namerikawa, Japan
- Average sunshine days in August: 5.2 days
The month with the most sunshine days is May (13.6 days).
The month with the least sunshine days is January (3.5 days).
Average UV index in August
Namerikawa, Japan
- Average UV index in August: 6
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
Namerikawa, Japan
- Average cloud cover in August: 34
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is May (Cloud cover 33).
Average visibility in August
Namerikawa, Japan
- Average visibility in August: 9km
The month with the highest visibility is October (10km).
The month with the lowest visibility is January (8km).
