Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average sea temperature in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
August proves to be the warmest month in Sendai, Japan, recording an average peak temperature of 27.8°C (82°F) and a minimum temperature of 21.4°C (70.5°F).Heat index
The average heat index in August is appraised at a tropical 32°C (89.6°F). If one continues to be active during exposure, it might cause tiredness and subsequent heat cramps.Note that heat index values are valued for light wind and location in the shade. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'apparent temperature' or 'real feel', reflects the blend of air temperature and relative humidity to give a temperature impression. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Humidity
In August, the average relative humidity in Sendai is 82%.Rainfall
In August, the rain falls for 16.7 days. Throughout August, 72mm (2.83") of precipitation is accumulated. Throughout the year, in Sendai, there are 152.2 rainfall days, and 720mm (28.35") of precipitation is accumulated.Snowfall
May through November are months without snowfall.Sea temperature
With an average sea temperature of 23.9°C (75°F), August is the month with the warmest seawater in Sendai, Japan.Note: Given an individual's cold sensitivity, considering factors like sunshine, wind, and air temperature, a brief swim in 23.9°C (75°F) water might be pleasurable. (FYI: The standard water temperature for Olympic swimming contests is 25°C (77°F) to 28°C (82.4°F).)
Daylight
The average length of the day in August in Sendai is 13h and 38min.On the first day of the month, sunrise is at 04:39 and sunset at 18:46. On the last day of August, sunrise is at 05:05 and sunset at 18:08 JST.
Sunshine
In Sendai, Japan, the average sunshine in August is 9.1h.UV index
July and August, with an average maximum UV index of 6, are months with the highest UV index in Sendai. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the average person.Note: In August, a regular UV index of 6 translates into these guidelines:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Stay cautious! Sand and water reflections increase UV radiation potency.
Frequently asked questions
What is the warmest month in Sendai?
What are August temperatures in Sendai?
What is the average humidity in August in Sendai?
How much does it rain in Sendai in August?
When it does not snow in Sendai?
When is the sea warmest in Sendai?
What is the sea temperature in August in Sendai?
How many hours of daylight does Sendai have in August?
What time are sunrise and sunset in August in Sendai?
How many hours of sunshine does Sendai have in August?
What is the month with the highest UV index in Sendai?
What is the UV index intensity in August in Sendai?
Average temperature in August
Sendai, Japan
- Average high temperature in August: 27.8°C
The warmest month (with the highest average high temperature) is August (27.8°C).
The month with the lowest average high temperature is January (3.3°C).
- Average low temperature in August: 21.4°C
The month with the highest average low temperature is August (21.4°C).
The coldest months (with the lowest average low temperature) are January and February (-1.7°C).
Average pressure in August
Sendai, Japan
- Average pressure in August: 1010.2mbar
The month with the highest atmospheric pressure is November (1018.7mbar).
The month with the lowest atmospheric pressure is June (1009.3mbar).
Average wind speed in August
Sendai, Japan
- Average wind speed in August: 8.7km/h
The windiest month (with the highest average wind speed) is January (14.4km/h).
The calmest month (with the lowest average wind speed) is July (8.1km/h).
Average humidity in August
Sendai, Japan
- Average humidity in August: 82%
The month with the highest relative humidity is July (84%).
The months with the lowest relative humidity are April and May (72%).
Average rainfall in August
Sendai, Japan
- Average rainfall in August: 72mm
The wettest months (with the highest rainfall) are July and October (111mm).
The driest month (with the least rainfall) is February (22mm).
Average rainfall days in August
Sendai, Japan
- Average rainfall days in August: 16.7 days
The month with the highest number of rainy days is July (20.7 days).
The month with the least rainy days is January (8.7 days).
Average snowfall in August
Sendai, Japan
- Average snowfall in August: 0mm
The month with the highest snowfall is February (63mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in August
Sendai, Japan
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (9.2 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average sea temperature in August
Sendai, Japan
- Average sea temperature in August: 23.9°C
The best month for swimming (with the highest average sea temperature) is August (23.9°C).
The coldest month (with the lowest average sea temperature) is March (7.5°C).
Average daylight in August /
Average sunshine in August
Sendai, Japan
- Average daylight in August: 13h and 4min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in August: 9h and 1min
The month with the most sunshine is May (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in August
Sendai, Japan
- Average sunshine days in August: 10.6 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is July (7.2 days).
Average UV index in August
Sendai, Japan
- Average UV index in August: 6
The months with the highest UV index are July and August (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
Sendai, Japan
- Average cloud cover in August: 44
The month with the most cloud cover is July (Cloud cover 49).
The month with the least cloud cover is May (Cloud cover 36).
Average visibility in August
Sendai, Japan
- Average visibility in August: 9km
The months with the highest visibility are October, November and December (10km).
The month with the lowest visibility is July (8km).
Sendai, Japan
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