July weather forecastNajima, Japan

July

Weather in July

July, like June, in Najima, Japan, is a moderately hot summer month, with temperature in the range of an average high of 28.2°C (82.8°F) and an average low of 23.2°C (73.8°F).

Temperature

With the onset of July, Najima observes a minor temperature ascent, with the average high-temperature adjusting from June's moderately hot 24.8°C (76.6°F) to a still warm 28.2°C (82.8°F). A consistent average low of 23.2°C (73.8°F) is noted throughout July, only a small step down from its daytime high.

Heat index

The heat index value for July is estimated at a hot 33°C (91.4°F). Greater preventive actions are needed, heat exhaustion and heat cramps are likely. Persistent activity could provoke heatstroke.
Keep in mind the heat index values are meant for areas in shade and with light wind. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', gives an indication of how one might feel in terms of heat after considering humidity. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.

Humidity

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

Rainfall

The month with the most rainfall is July, when the rain falls for 20.9 days and typically aggregates up to 193mm (7.6") of precipitation.

Snowfall

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

Daylight

The average length of the day in July is 14h and 8min.
On the first day of the month, sunrise is at 05:11 and sunset at 19:32. On the last day of July, sunrise is at 05:29 and sunset at 19:19 JST.

Sunshine

In Najima, the average sunshine in July is 8.6h.

UV index

The month with the highest UV index in Najima is July, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the average person.
Note: A maximum UV index of 7 in July translates into the following recommendations:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.

Frequently asked questions

Najima in July has an average high-temperature of 28.2°C (82.8°F) and an average low-temperature of 23.2°C (73.8°F). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in July is estimated at 33°C (91.4°F).

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

In Najima, the average relative humidity in July is 84%.

The month with the most rainfall is July, when the rain falls for 20.9 days and typically aggregates up to 193mm (7.6") of precipitation.

In Najima, in July, during 20.9 rainfall days, 193mm (7.6") of precipitation is typically accumulated.

April through November are months without snowfall in Najima.

The average day length in July is 14h and 8min.

On the first day of July, sunrise is at 05:11 and sunset at 19:32. On the last day of the month, sunrise is at 05:29 and sunset at 19:19 JST.

The average sunshine duration in July is 8.6h.

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

In Najima, the average daily maximum UV index in July is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Najima, Japan

  • Average high temperature in July: 28.2°C

The warmest month (with the highest average high temperature) is August (30.3°C).
The month with the lowest average high temperature is January (8.4°C).

  • Average low temperature in July: 23.2°C

The month with the highest average low temperature is August (24.1°C).
The coldest month (with the lowest average low temperature) is January (3.8°C).

Average pressure in July
Najima, Japan

  • Average pressure in July: 1008.5mbar

The month with the highest atmospheric pressure is January (1022.1mbar).
The month with the lowest atmospheric pressure is June (1008.2mbar).

Average wind speed in July
Najima, Japan

  • Average wind speed in July: 10.6km/h

The windiest month (with the highest average wind speed) is January (14.2km/h).
The calmest month (with the lowest average wind speed) is June (9.4km/h).

Average humidity in July
Najima, Japan

  • Average humidity in July: 84%

The month with the highest relative humidity is July (84%).
The months with the lowest relative humidity are January, February and March (72%).

Average rainfall in July
Najima, Japan

  • Average rainfall in July: 193mm

The wettest month (with the highest rainfall) is July (193mm).
The driest month (with the least rainfall) is January (52mm).

Average rainfall days in July
Najima, Japan

  • Average rainfall days in July: 20.9 days

The month with the highest number of rainy days is July (20.9 days).
The month with the least rainy days is May (10.8 days).

Average snowfall in July
Najima, Japan

  • Average snowfall in July: 0mm

The month with the highest snowfall is January (22mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in July
Najima, Japan

  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (4.9 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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

  • Average daylight in July: 14h and 6min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in July: 8h and 36min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in July
Najima, Japan

  • Average sunshine days in July: 8.4 days

The month with the most sunshine days is May (18.6 days).
The month with the least sunshine days is July (8.4 days).

Average UV index in July
Najima, 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).

Average cloud cover in July
Najima, Japan

  • Average cloud cover in July: 46

The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in July
Najima, Japan

  • Average visibility in July: 9km

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