Average Annual Sunshine by State The tables below pull together numbers on the amount of sunshine that each US state usually has in a year. Our Irradiance calculator provides monthly figures showing the average kWh per square metre per day of energy that the sun provides. June Solstice (Summer Solstice) is on Saturday, June 20, 2020 at 10:43 pm in London. There's information by state on the annual averages for percent, hours and days of sun. Actually, just about every place on Earth gets an average of 12 hours of sunlight a day, from an astronomical point of view. It also varies throughout the day, depending on the position of the sun in the sky, and the weather. Solar Irradiance. Usually, the larger the cabbage head, the longer it takes to mature. The average daily solar insolation in units of kWh/m 2 per day is sometimes referred to as "peak sun hours". The "Harmattan"-period is best to be avoided, the winds blows sands from the Sahara from December till February. In most locations north of Equator, the longest day of the year is around this date.

Far North is one of the warmest region in Cameroon with an average daily high temperature of 36 degrees centigrade. Solar Irradiance is a measure of how much solar power you are getting at your location. Douala, Cameroon: Annual Weather Averages February is the hottest month in Douala with an average temperature of 29°C (84°F) and the coldest is August at 25.5°C (78°F) with the most daily sunshine hours at 8 in December. Cabbage plants need 6-8 hours of sunlight per day and are usually ready for harvest 45-105 days after planting, depending on the variety.

Solar irradiance is a measure of the suns power. The tables below pull together figures on the amount of sunshine each of the largest cities in the United States usually has in a year. WMO data provide the basis for better understanding the climatology of severe weather and extreme events such as tropical cyclones, El Niño, floods, heat waves, cold waves, droughts and other natural hazards, contributing to saving both lives and property, and improving our understanding and monitoring of the climate system and environment. Peak Sun Hours. In terms of daylight, this day is 8 hours, 49 minutes longer than on December Solstice. It is yearlong warm or hot. Equinoxes and solstices. But if you include clouds and other weather, then the answer is different. Irradiance levels vary considerably at different times of the year, depending on the seasons, the weather and the time of day. This country is pleasant in the cool and dry period between November and February. After the June solstice, the sun follows a lower and lower path through the sky each day in the Northern Hemisphere until it reaches the point where the length of daylight is about 12 hours and eight to nine minutes in areas that are about 30 degrees north or south of the equator.

Climate and Average Weather in Cameroon. This irradiance varies throughout the year depending on the seasons.