Climate comparison

Saudi Arabia

United States

Saudi Arabia
All information: Saudi Arabia
United States of America
All information: United States
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Saudi ArabiaUnited States
Climate zoneSubtropics to TropicsSubpolar zone to Tropics
Latitudes31° 40' N to 16° 35' N64° 51' N to 19° 30' N
Distance to equator1,800 - 3,500 km2,200 - 7,200 km
Annual valuesSaudi ArabiaUnited States
Ø Daytime maximum temperature32.80 °C18.80 °C
Ø Daily low temperature19.50 °C7.2 °C
Ø Humidity45 %67 %
Precipitation88 mm938 mm
Rain days13.2 days85.2 days
Hours of sunshine3,066 hrs.2,628 hrs.

Colors of the following climate diagrams:
Saudi Arabia
United States

Daily maximum temperatures

The highest daytime temperatures in Saudi Arabia are reached in July with an average of 40.6 °C. The coldest month, on the other hand, is January, with an average of just 22.9 °C. In the United States, July is the warmest month, with 30.8 °C. There, it is coolest in January with an average of 6.0 °C.

Night time lows

At night, it cools down to varying degrees depending on the country and altitude. In Saudi Arabia, temperatures drop as low as 10.6 °C in January. The warmest nights are in July at 27.1 °C. In the United States, it is coolest at night in January at -4.2 °C and warmest in July at 18.8 °C. This corresponds to a cooling of 12.3 to 14.1 °C in Saudi Arabia and 9.8 to 12.5 °C in the United States.


The humidity of the air depends to a large extent on the air temperature. The warmer the air, the more water it can absorb. At a temperature of 25°C it is 23 grams per cubic meter, at 30 degrees it is already 26 grams. Therefore, the air humidity is given as a relative value to the temperature-dependent maximum amount. It becomes unpleasant when high humidity is combined with high temperatures.


Humidex is an approximate, sensed temperature calculated on the basis of air temperature, dew point and humidity. It was developed in 1965 by the Canadian meteorologists J. M. Masterton and F. A. Richardson. Since the wind speed is ignored here, it is not very meaningful in areas below approx. 15°C. Above that, it is more reliable, since at higher temperatures humidity plays a greater role than wind.

Rain days per month

By definition, a rain day is a day on which at least 0.1 liters of precipitation per m² fall. This corresponds to a 1 square meter puddle in which the water stands 0.1 mm high — insofar as the water does not seep away or evaporate. So it does not have to rain all day long. April brings the most rainy days (2.2) in Saudi Arabia. With an average of only 0.2 days, June is the friendliest. In the United States, it rains most often in May with 8.3 days.

Precipitation amount per day

Depending on the season and the location of a country, the wind brings a varying amount of water with it. As a rule, the water evaporating in the oceans is absorbed and then transported inland. The greatest amount of rain (hail or dew are also forms of precipitation) in Saudi Arabia occurs in April, when about 0.5 liters per square meter fall per day. In the United States, the average amount of precipitation ranges from 1.9 liters per day in January to 3.1 in June. However, these are average values. If you consider that there are only 7.9 rainy days in the United States in June, each of them accounts for about 11.6 liters.

Sunshine hours per day

With 3,066 hours of sunshine per year, Saudi Arabia is in the lead. The most hours of sunshine (9.7 per day) are in July. The United States falls into second place with only 2,628 hours. There the sun is visible in December for only 4.3 hours per day, so not hidden behind clouds.

Hours of daylight

The length of a day varies throughout the year and depends on the distance from the equator. In December, the day in Saudi Arabia is only 10.7 hours long. In June, on the other hand, it is 13.6 hours. In the United States, it is 9.2 hours in December and 15.3 in June.
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