July weather forecast
Niihama, Japan

englishespañol中文
Share

Weather in July

July, like June, in Niihama, Japan, is another warm summer month, with an average temperature varying between 27°C (80.6°F) and 21.9°C (71.4°F).

Temperature

A minor escalation in the average high-temperature is seen with the onset of July, moving from a warm 23.3°C (73.9°F) in June to a still moderately hot 27°C (80.6°F). During July, Niihama observes a consistent average nighttime temperature of 21.9°C (71.4°F).

Heat index

During July, the heat index is calculated to be a tropical 30°C (86°F). Enduring exposure and continuous activity might cause a feeling of tiredness and induce heat cramps.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. 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 largely significant for babies and toddlers. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.

Humidity

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

Rainfall

The month with the most rainfall is July, when the rain falls for 23.9 days and typically aggregates up to 187mm (7.36") of precipitation.

Snowfall

In Niihama, snow does not fall in April through November.

Sea temperature

In Niihama, Japan, the average seawater temperature in July is 26.2°C (79.2°F).
Note: Water temperatures from 25°C (77°F) to 29°C (84.2°F) make swimming, diving, and similar activities highly pleasurable and enjoyable for long periods without discomfort.

Daylight

The average length of the day in July in Niihama, Japan, is 14h and 10min.
On the first day of July in Niihama, sunrise is at 04:59 and sunset at 19:22. On the last day of the month, sunrise is at 05:17 and sunset at 19:08 JST.

Sunshine

In July, the average sunshine in Niihama is 9.6h.

UV index

July is the month with the highest UV index, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily high UV index of 7 during July translates into the following recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Watch out! Reflections from sand and water can surge UV radiation exposure.
[Resources]

Frequently asked questions

What are the temperatures in Niihama in July?

In July, in Niihama, the average high-temperature is 27°C (80.6°F), and the average low-temperature is 21.9°C (71.4°F). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in July is calculated to be 30°C (86°F).

What is the most humid month in Niihama?

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

What is the average humidity in July in Niihama?

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

What is the wettest month in Niihama?

The month with the most rainfall in Niihama is July, when the rain falls for 23.9 days and typically aggregates up to 187mm (7.36") of precipitation.

How many days does it rain in July in Niihama?

In July, in Niihama, Japan, the rain falls for 23.9 days. Throughout July, 187mm (7.36") of precipitation is accumulated.

When it does not snow in Niihama?

April through November are months without snowfall in Niihama.

How warm is the water in July in Niihama?

In July, the average sea temperature in Niihama, Japan, is 26.2°C (79.2°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

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

In July, the average day length is 14h and 10min.

When are sunrise and sunset in July in Niihama?

In July, on the first day of the month, sunrise is at 04:59 and sunset at 19:22. On the last day of the month, in Niihama, Japan, sunrise is at 05:17 and sunset at 19:08 JST.

How many hours of sunshine does Niihama have in July?

In Niihama, Japan, the average sunshine duration in July is 9.6h.

What is the month with the highest UV index in Niihama?

The month with the highest UV index in Niihama is July, with an average maximum UV index of 7.

How high is the UV index in July in Niihama?

In Niihama, Japan, the average daily maximum UV index in July is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in July
Niihama, Japan

Average temperature in July - Niihama, Japan
  • Average high temperature in July: 27°C

The warmest month (with the highest average high temperature) is August (28.6°C).
The month with the lowest average high temperature is January (7.3°C).

  • Average low temperature in July: 21.9°C

The month with the highest average low temperature is August (23.4°C).
The coldest month (with the lowest average low temperature) is January (2°C).

[Resources]

Average pressure in July
Niihama, Japan

Average pressure in July - Niihama, Japan
  • Average pressure in July: 1008.9mbar

The month with the highest atmospheric pressure is January (1020.7mbar).
The month with the lowest atmospheric pressure is June (1008.5mbar).

[Resources]

Average wind speed in July
Niihama, Japan

Average wind speed in July - Niihama, Japan
  • Average wind speed in July: 6.6km/h

The windiest month (with the highest average wind speed) is January (11.4km/h).
The calmest month (with the lowest average wind speed) is June (6km/h).

[Resources]

Average humidity in July
Niihama, Japan

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

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is March (72%).

[Resources]

Average rainfall in July
Niihama, Japan

Average rainfall in July - Niihama, Japan
  • Average rainfall in July: 187mm

The wettest month (with the highest rainfall) is July (187mm).
The driest month (with the least rainfall) is January (46mm).

[Resources]

Average rainfall days in July
Niihama, Japan

Average rainfall days in July - Niihama, Japan
  • Average rainfall days in July: 23.9 days

The month with the highest number of rainy days is July (23.9 days).
The month with the least rainy days is January (11.3 days).

[Resources]

Average snowfall in July
Niihama, Japan

Average snowfall in July - Niihama, Japan
  • Average snowfall in July: 0mm

The month with the highest snowfall is February (40mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

[Resources]

Average snowfall days in July
Niihama, Japan

Average snowfall days in July - Niihama, Japan
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

[Resources]

Average sea temperature in July
Niihama, Japan

Average sea temperature in July - Niihama, Japan
  • Average sea temperature in July: 26.2°C

The best month for swimming (with the highest average sea temperature) is August (27.5°C).
The coldest months (with the lowest average sea temperature) are February and March (15.8°C).

[Resources]

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

Average daylight in July / Average sunshine in July - Niihama, Japan
  • Average daylight in July: 14h and 1min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in July: 9h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 36min).

[Resources]

Average sunshine days in July
Niihama, Japan

Average sunshine days in July - Niihama, Japan
  • Average sunshine days in July: 3.8 days

The month with the most sunshine days is May (15.1 days).
The month with the least sunshine days is July (3.8 days).

[Resources]

Average UV index in July
Niihama, Japan

Average UV index in July - Niihama, Japan
  • Average UV index in July: 7

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

[Resources]

Average cloud cover in July
Niihama, Japan

Average cloud cover in July - Niihama, Japan
  • Average cloud cover in July: 38

The month with the most cloud cover is June (Cloud cover 41).
The months with the least cloud cover are May and August (Cloud cover 31).

[Resources]

Average visibility in July
Niihama, Japan

Average visibility in July - Niihama, Japan
  • Average visibility in July: 9km

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

[Resources]

Niihama, Japan

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location