Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
July and August represent the warmest period, with an average high-temperature of 30.3°C (86.5°F).Heat index
For most parts of July, the heat index is calculated to be a tropical 32°C (89.6°F). If one endures exposure and continues to be active, it might result in tiredness and heat cramps.Heat index's context suggests values are appropriate for shady areas and slight breezes. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. 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
In July, the average relative humidity is 53%.Rainfall
In Marathonas, in July, during 2.8 rainfall days, 4mm (0.16") of precipitation is typically accumulated. Throughout the year, there are 93.5 rainfall days, and 308mm (12.13") of precipitation is accumulated.Snowfall
In Marathonas, Greece, snow does not fall in March through December.Daylight
In July, the average length of the day is 14h and 31min.On the first day of July, sunrise is at 06:05 and sunset at 20:51. On the last day of the month, sunrise is at 06:26 and sunset at 20:34 EEST.
Sunshine
The months with the most sunshine in Marathonas are July and August, with an average of 12h of sunshine.UV index
June through August, with an average maximum UV index of 7, 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: The average daily UV index of 7 in July transforms into the following instructions:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the hottest?
How hot does it get in July?
What is the average humidity in July?
How many days does it rain in July?
When it does not snow?
What is the average length of the day in July?
When is the sunrise / sunset in July?
What are the months with the most sunshine?
How long on average sun shines in July?
What are the months with the highest UV index?
How high is the UV index in July?
Average temperature in July
Marathonas, Greece
- Average high temperature in July: 30.3°C
The warmest months (with the highest average high temperature) are July and August (30.3°C).
The month with the lowest average high temperature is January (11.9°C).
- Average low temperature in July: 23.3°C
The month with the highest average low temperature is August (23.5°C).
The coldest month (with the lowest average low temperature) is January (7.5°C).
Average pressure in July
Marathonas, Greece
- Average pressure in July: 1011mbar
The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is July (1011mbar).
Average wind speed in July
Marathonas, Greece
- Average wind speed in July: 14.2km/h
The windiest month (with the highest average wind speed) is August (17.1km/h).
The calmest month (with the lowest average wind speed) is May (11.8km/h).
Average humidity in July
Marathonas, Greece
- Average humidity in July: 53%
The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is August (52%).
Average rainfall in July
Marathonas, Greece
- Average rainfall in July: 4mm
The wettest months (with the highest rainfall) are January and December (49mm).
The driest month (with the least rainfall) is August (3mm).
Average rainfall days in July
Marathonas, Greece
- Average rainfall days in July: 2.8 days
The month with the highest number of rainy days is December (12.3 days).
The month with the least rainy days is August (1.8 days).
Average snowfall in July
Marathonas, Greece
- Average snowfall in July: 0mm
The month with the highest snowfall is January (33mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in July
Marathonas, Greece
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).
Average daylight in July /
Average sunshine in July
Marathonas, Greece
- 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: 12h and 0min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in July
Marathonas, Greece
- Average sunshine days in July: 27.3 days
The month with the most sunshine days is August (27.9 days).
The month with the least sunshine days is January (15.9 days).
Average UV index in July
Marathonas, Greece
- Average UV index in July: 7
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in July
Marathonas, Greece
- Average cloud cover in July: 7
The month with the most cloud cover is January (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in July
Marathonas, Greece
- Average visibility in July: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Marathonas, Greece
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