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 sea temperature 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
The ideal sea water temperature of 25.8°C (78.4°F) and only 3.2 rainfall days, with 6mm (0.24") of accumulated rainfall, makes July the best time for swimming and other water activities.
Temperature
July registers as the month with the highest average temperatures, reaching 31.1°C (88°F) at its peak and 23.8°C (74.8°F) at the lowest.Heat index
The heat index value during July is evaluated at a hot 33°C (91.4°F). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. 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 'apparent temperature', quantifies the warmth felt when relative humidity is considered. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold great significance to children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
Humidity
The months with the lowest humidity are July and August, with an average relative humidity of 50%.Rainfall
In Keratsini, in July, it is raining for 3.2 days, with typically 6mm (0.24") of accumulated precipitation. Throughout the year, there are 88.8 rainfall days, and 263mm (10.35") of precipitation is accumulated.Snowfall
In Keratsini, Greece, snow does not fall in April through November.Sea temperature
In Keratsini, in July, the average water temperature is 25.8°C (78.4°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
In July, the average length of the day in Keratsini is 14h and 30min.On the first day of July, sunrise is at 06:06 and sunset at 20:52. On the last day of the month, sunrise is at 06:28 and sunset at 20:35 EEST.
Sunshine
The average sunshine in July in Keratsini is 11.9h.UV index
June through August, with an average maximum UV index of 7, are months with the highest UV index in Keratsini, Greece. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 7 during July translates into the following directions:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Heads up! Sand and water reflection magnifies the UV exposure from the Sun.
Frequently asked questions
What part of the year is the hottest in Keratsini?
How hot is it in Keratsini in July?
What are the least humid months in Keratsini?
What is the average humidity in July in Keratsini?
How many days does it rain in July in Keratsini?
When it does not snow in Keratsini?
How warm is the water in July in Keratsini?
How many hours of daylight does Keratsini have in July?
When is the sunrise / sunset in July in Keratsini?
How many hours of sunshine does Keratsini have in July?
What are the months with the highest UV index in Keratsini?
How high is the UV index in July in Keratsini?
Average temperature in July
Keratsini, Greece
- Average high temperature in July: 31.1°C
The warmest month (with the highest average high temperature) is July (31.1°C).
The month with the lowest average high temperature is January (11.9°C).
- Average low temperature in July: 23.8°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 (7.2°C).
Average pressure in July
Keratsini, Greece
- Average pressure in July: 1011.1mbar
The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is July (1011.1mbar).
Average wind speed in July
Keratsini, Greece
- Average wind speed in July: 13.2km/h
The windiest month (with the highest average wind speed) is August (15.7km/h).
The calmest month (with the lowest average wind speed) is May (11.4km/h).
Average humidity in July
Keratsini, Greece
- Average humidity in July: 50%
The month with the highest relative humidity is January (73%).
The months with the lowest relative humidity are July and August (50%).
Average rainfall in July
Keratsini, Greece
- Average rainfall in July: 6mm
The wettest month (with the highest rainfall) is December (39mm).
The driest month (with the least rainfall) is August (4mm).
Average rainfall days in July
Keratsini, Greece
- Average rainfall days in July: 3.2 days
The month with the highest number of rainy days is March (9.9 days).
The month with the least rainy days is August (2 days).
Average snowfall in July
Keratsini, Greece
- Average snowfall in July: 0mm
The months with the highest snowfall are January, February and December (4mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in July
Keratsini, Greece
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in July
Keratsini, Greece
- Average sea temperature in July: 25.8°C
The best month for swimming (with the highest average sea temperature) is August (26.3°C).
The coldest month (with the lowest average sea temperature) is February (15°C).
Average daylight in July /
Average sunshine in July
Keratsini, 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: 11h and 5min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).
Average sunshine days in July
Keratsini, Greece
- Average sunshine days in July: 26.8 days
The month with the most sunshine days is August (27.5 days).
The month with the least sunshine days is February (16.3 days).
Average UV index in July
Keratsini, 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
Keratsini, Greece
- Average cloud cover in July: 8
The month with the most cloud cover is January (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in July
Keratsini, 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).
Keratsini, Greece
Weather forecast for your location
2. Allow the app to use your location
