July weather forecast
Sendai, Japan

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Weather in July

In July, the weather in Sendai is distinctly hot and humid, with 84% average relative humidity. The sunlit days stretch even longer, inviting locals and visitors to partake in a plethora of outdoor activities. This combination of heat and humidity results in sporadic periods of heavy rainfall, making an umbrella an essential accessory. Evenings are pleasantly warm, proving conducive for night-time excursions. The thermal reading swings between 19.8°C (67.6°F) and 26.3°C (79.3°F) as rainfall peaks at 111mm (4.37"), the highest for the year.

Temperature

As Sendai welcomes July, the average high-temperature displays a subtle shift, adjusting from a pleasant 22.7°C (72.9°F) in June to a warm 26.3°C (79.3°F). During July, Sendai experiences an average low-temperature of 19.8°C (67.6°F) at night.

Humidity

The most humid month in Sendai is July, with an average relative humidity of 84%.

Rainfall

The wettest months in Sendai are July and October, with an average 111mm (4.37") of rainfall.

Snowfall

May through November are months without snowfall in Sendai.

Sea temperature

In July, the average sea temperature is 21.3°C (70.3°F).
Note: In water with a temperature of 21.3°C (70.3°F), most people do not enjoy swimming. As the temperature descends from 21°C (69.8°F) to 15°C (59°F), breathing becomes increasingly difficult to control.

Daylight

In Sendai, the average length of the day in July is 14h and 32min.
On the first day of the month, sunrise is at 04:16 and sunset at 19:03. On the last day of July, in Sendai, sunrise is at 04:38 and sunset at 18:47 JST.

Sunshine

The average sunshine in July is 8.5h.

UV index

July and 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 average individuals.
Note: The daily maximum UV index of 6 in July interprets into the following advice:
Guard against overexposure. Protection from sun-induced harm is essential. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Warning! Reflective surfaces like sand and water amplify the Sun's UV radiation.
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Frequently asked questions

What is the temperature in July in Sendai?

In July, in Sendai, the average high-temperature is 26.3°C (79.3°F), and the average low-temperature is 19.8°C (67.6°F).

What is the most humid month in Sendai?

With an average relative humidity of 84%, July is the most humid month in Sendai, Japan.

What is the average humidity in July in Sendai?

The average relative humidity in July in Sendai is 84%.

What is the wettest month in Sendai?

The wettest months in Sendai, Japan, are July and October, with an average 111mm (4.37") of rainfall.

How much does it rain in Sendai in July?

In Sendai, during July, the rain falls for 20.7 days and regularly aggregates up to 111mm (4.37") of precipitation.

When it does not snow in Sendai?

In Sendai, Japan, snow does not fall in May through November.

What is the sea water temperature in July in Sendai?

In July, the average sea temperature in Sendai, Japan, is 21.3°C (70.3°F). Swimming in 21.3°C (70.3°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

What is the average length of the day in July in Sendai?

In Sendai, the average day length in July is 14h and 32min.

When is the sunrise / sunset in July in Sendai?

On the first day of July in Sendai, Japan, sunrise is at 04:16 and sunset at 19:03. On the last day of the month, sunrise is at 04:38 and sunset at 18:47 JST.

How many hours of sunshine does Sendai have in July?

The average sunshine duration in July is 8.5h.

What are the months with the highest UV index in Sendai?

The months with the highest UV index are July and August, with an average maximum UV index of 6.

What is the UV index reading in July in Sendai?

In Sendai, the average daily maximum UV index in July is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's UV radiation.
Average humidity
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 July
Sendai, Japan

Average temperature in July - Sendai, Japan
  • Average high temperature in July: 26.3°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 July: 19.8°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).

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Average pressure in July
Sendai, Japan

Average pressure in July - Sendai, Japan
  • Average pressure in July: 1009.4mbar

The month with the highest atmospheric pressure is November (1018.7mbar).
The month with the lowest atmospheric pressure is June (1009.3mbar).

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Average wind speed in July
Sendai, Japan

Average wind speed in July - Sendai, Japan
  • Average wind speed in July: 8.1km/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).

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Average humidity in July
Sendai, Japan

Average humidity in July - Sendai, Japan
  • Average humidity in July: 84%

The month with the highest relative humidity is July (84%).
The months with the lowest relative humidity are April and May (72%).

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Average rainfall in July
Sendai, Japan

Average rainfall in July - Sendai, Japan
  • Average rainfall in July: 111mm

The wettest months (with the highest rainfall) are July and October (111mm).
The driest month (with the least rainfall) is February (22mm).

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Average rainfall days in July
Sendai, Japan

Average rainfall days in July - Sendai, Japan
  • Average rainfall days in July: 20.7 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).

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Average snowfall in July
Sendai, Japan

Average snowfall in July - Sendai, Japan
  • Average snowfall in July: 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).

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Average snowfall days in July
Sendai, Japan

Average snowfall days in July - Sendai, Japan
  • Average snowfall days in July: 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).

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Average sea temperature in July
Sendai, Japan

Average sea temperature in July - Sendai, Japan
  • Average sea temperature in July: 21.3°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).

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Average daylight in July /
Average sunshine in July
Sendai, Japan

Average daylight in July / Average sunshine in July - Sendai, Japan
  • Average daylight in July: 14h and 3min

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 July: 8h and 3min

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).

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Average sunshine days in July
Sendai, Japan

Average sunshine days in July - Sendai, Japan
  • Average sunshine days in July: 7.2 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).

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Average UV index in July
Sendai, Japan

Average UV index in July - Sendai, Japan
  • Average UV index in July: 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).

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Average cloud cover in July
Sendai, Japan

Average cloud cover in July - Sendai, Japan
  • Average cloud cover in July: 49

The month with the most cloud cover is July (Cloud cover 49).
The month with the least cloud cover is May (Cloud cover 36).

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Average visibility in July
Sendai, Japan

Average visibility in July - Sendai, Japan
  • Average visibility in July: 8km

The months with the highest visibility are October, November and December (10km).
The month with the lowest visibility is July (8km).

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Sendai, Japan

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