Rhodes is 36m above sea level. The climate is warm, temperate and rain in falls mostly during winter, with relatively little rain in the summer. Average temperature in Rhodes is 19.6 °C | 67.2 °F. In a year, the rainfall is 1007 mm | 39.6 inch.
The driest month is July, with 0 mm | 0.0 inch of rainfall. In December, the precipitation reaches its peak, with an average of 239 mm | 9.4 inch. The warmest month of the year is August, with an average temperature of 27.2 °C | 81.0 °F. At 13.1 °C | 55.6 °F on average, January is the coldest month of the year.
Winter, from December to mid – March, is mild: daytime temperatures hover about may reach 15/17 °C ( 59/63 °F ). Rains are quite frequent, but there are also sunny days. Sometimes, it can get a little cold: lows can drop to about 3/5 °C ( 37/41 °F ), and highs can remain about 7/10 °C ( 45/50 °F ). Wind can increase the feeling of cold. At sea level, substantially, it never snows ( sometimes, you can see the snow falling, but it does not accumulate on the ground ), while on inland hills, which reach 1,200 meters ( 3,900 feet ), it can sometimes snow.
Spring, from mid – March to May, the temperature is mild, and becomes progressively warmer and sunnier, as well as less rainy.
Summer, from June to mid-September, is hot, quite muggy and sunny. The Meltemi, the wind from the north – west, blows by mid – May, cooling the air, but with lower intensity than on the islands of the central Aegean Sea, such as Mykonos or Naxos. In addition, sometimes, there are periods of intense heat, with maximum temperatures reaching 35 °C ( 95 °F ).
Autumn, from mid – September to November, is pleasantly warm at the beginning, then it gradually becomes milder, and also rainier.
The daily average temperature ranges from 12 °C ( 53.5 °F ) in January and February to 27 °C ( 80.5 °F ) in August. Here are the average temperatures.
Rainfall amounts to 700 millimeters ( 27.5 inches ) per year, and is concentrated from October to March; rains often occur in the form of thunderstorms, and can sometimes be abundant. During summer, basically it never rains.
The amount of sunshine in Rhodes is great in summer time, when clear skies prevail, and it is quite good in the spring, while in autumn and winter, sunny periods alternate with others characterized by clouds and rain.
Here are the average sunshine hours per day.
The sea is warm enough for swimming from June to October, and reaches 25 °C ( 77 °F ) during August and September. In this eastern part of the Aegean Sea, the sea is a bit warmer than in the central part because the wind is weaker and less frequent
–Tip: The best time to visit Rhodes for a beach holiday is from June to mid-September. In early June, it can still be a little cool in the evening: for safety, you can bring a sweatshirt.
In May, not only the sea is still a bit cold, but the air can also be cool for sunbathing, at least on certain days.
If you want to visit the ruins of ancient Rhodes or of the Middle Ages, the best time is spring, ie April and May, because in summer it can be hot. You can also choose autumn, which however, is rainier.