July weather forecastIos, Greece
July
Weather in July
July, like June, in Ios, Greece, is a moderately hot summer month, with temperature in the range of an average high of 25.6°C (78.1°F) and an average low of 24.4°C (75.9°F).Temperature
During July, Ios observes a subtle ascent to a still moderately hot 25.6°C (78.1°F) from June's 23.6°C (74.5°F) in the average high-temperature. With a barely noticeable fluctuation in temperature, Ios reaches an average low of 24.4°C (75.9°F) during the July nights.Humidity
The average relative humidity in July is 76%.Rainfall
July and August are months with the least rain when the rain falls for 1.3 days and typically aggregates up to 2mm (0.08") of rain.Sea temperature
In Ios, the average seawater temperature in July is 23°C (73.4°F).Note: While a person's sensitivity to cold is personal, factors like sunshine, wind, and the temperature can influence their comfort in 23°C (73.4°F) waters. Olympians, for perspective, swim in waters between 25°C (77°F) and 28°C (82.4°F).
Daylight
In Ios, Greece, the average length of the day in July is 14h and 23min.On the first day of the month, sunrise is at 06:03 and sunset at 20:41. On the last day of July, in Ios, sunrise is at 06:24 and sunset at 20:26 EEST.
Sunshine
The months with the most sunshine in Ios, Greece, are July and August, with an average of 12.1h of sunshine.UV index
The months with the highest UV index are July and August, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for average individuals.Note: The UV index of 7 during July translates into the following guidance:
Take precautions against overexposure. Protection against sun damage is needed. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Take heed! Reflections of sand and water make the Sun's UV rays stronger.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Ios, Greece
- Average high temperature in July: 25.6°C
The warmest month (with the highest average high temperature) is August (25.9°C).
The month with the lowest average high temperature is January (14.7°C).
- Average low temperature in July: 24.4°C
The month with the highest average low temperature is August (24.9°C).
The coldest month (with the lowest average low temperature) is January (12.9°C).
Average pressure in July
Ios, Greece
- Average pressure in July: 1009mbar
The month with the highest atmospheric pressure is December (1017.7mbar).
The month with the lowest atmospheric pressure is July (1009mbar).
Average wind speed in July
Ios, Greece
- Average wind speed in July: 23.3km/h
The windiest month (with the highest average wind speed) is January (29.2km/h).
The calmest month (with the lowest average wind speed) is May (19.8km/h).
Average humidity in July
Ios, Greece
- Average humidity in July: 76%
The month with the highest relative humidity is August (77%).
The months with the lowest relative humidity are January and December (70%).
Average rainfall in July
Ios, Greece
- Average rainfall in July: 2mm
The wettest month (with the highest rainfall) is February (38mm).
The driest months (with the least rainfall) are July and August (2mm).
Average rainfall days in July
Ios, Greece
- Average rainfall days in July: 1.3 days
The month with the highest number of rainy days is January (14.2 days).
The month with the least rainy days is August (0.4 days).
Average sea temperature in July
Ios, Greece
- Average sea temperature in July: 23°C
The best month for swimming (with the highest average sea temperature) is August (24°C).
The coldest months (with the lowest average sea temperature) are February and March (15°C).
Average daylight in July /
Average sunshine in July
Ios, Greece
- Average daylight in July: 14h and 24min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in July: 12h and 6min
The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).
Average sunshine days in July
Ios, Greece
- Average sunshine days in July: 29.3 days
The month with the most sunshine days is August (29.6 days).
The month with the least sunshine days is January (13.3 days).
Average UV index in July
Ios, Greece
- Average UV index in July: 7
The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in July
Ios, Greece
- Average cloud cover in July: 3
The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 2).
Average visibility in July
Ios, 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).





