Menorca: Annual Weather Averages. July is the hottest month in Menorca with an average temperature of 25Â°C (77Â°F) and the coldest is January at 11Â°C (52Â°F) with the most daily sunshine hours at 13 in August.The wettest month is November with an average of 88mm of rain.The best month to swim in the sea is in August when the average sea temperature is 26Â°C (79Â°F).he wettest month is November with an average of 88mm of rain. The best month to swim in the sea is in August when the average sea temperature is 26Â°C (79Â°F).
High desert areas typically have the greatest diurnal temperature variations. Low lying, humid areas typically have the least. This explains why an area like the Snake River Plain can have high temperatures of 38 Â°C (100 Â°F) during a summer day, and then have lows of 5â10 Â°C (41â50 Â°F).t the same time, Washington D.C. , which is much more humid, has temperature variations of only 8 Â°C (14 Â°F); urban Hong Kong has a diurnal temperature range of little more than 4 Â°C (7 Â°F).
1 Average monthly temperatures vary by 11.1 Â°C (20Â°F). 2  This indicates that the continentality type is oceanic, subtype truly oceanic. 3  In the winter time records indicate temperatures by day reach 2.3Â°C (36.2Â°F) on average falling to -2Â°C (28.4Â°F) overnight. The mean annual temperature is 4.3 degrees Celsius (39.7 degrees Fahrenheit). 2  See the temperatures page for a monthly breakdown and the fixed scale graph. 3  Average monthly temperatures vary by 11.1 Â°C (20Â°F).