The Moon has a significant impact on our weather, but indirectly. Through its gravitational force, the Moon affects ocean tides, which in turn influence ocean currents. These currents, carrying warm or cold water, help determine weather conditions in many parts of the world.

The primary way in which the Moon affects the weather is through the indirect manipulation of ocean currents. The type of weather introduced to a new region will largely depend on the properties of the ocean water within the affected current.

(Warm water favors cloud formation and is almost synonymous with tropical cyclone development. Cold water, on the other hand, is more conducive to the creation of dry weather conditions.)

A second notable effect of the Moon on atmospheric conditions is its impact on polar temperatures. Measurements taken by satellites show that temperatures at the poles are higher during a full moon than during a new moon.

On average, temperatures during a full moon are 0.55° Celsius (0.99° Fahrenheit) higher than during a new moon. These differences may seem small, but even at this scale, they can still have an effect on the weather. A less significant effect of the Moon is its ability to increase air pressure at the edge of a tidal bulge, as the increased water height causes the air to compress slightly. In this case, the increase in atmospheric pressure is not large enough to have any meaningful impact on the weather.

This section describes how the Moon affects the weather on our planet. To understand the steps involved in this process, two key components need to be clarified:

1. 1. Gravity  
   2. Ocean Tides

As already stated, gravity is one of the primary factors allowing the Moon to influence weather and climate. In fact, it is only the Moon’s gravitational force that enables it to have any impact on Earth’s atmospheric conditions.

As a result, it is essential to understand how gravity works and how it allows the Moon and other celestial bodies with mass to exert force on different objects.

Gravity is the force with which planets and other large celestial bodies attract objects to their centers. All objects with mass have gravity. It is the large mass of the Moon that enables it to exert a gravitational force that influences objects on Earth.

The Moon’s gravity primarily influences ocean tides on the planet’s surface, which in turn impact ocean currents and the weather.

(The Moon’s gravity influences all bodies of water, even the fluid in a cup of tea. The only reason the latter is not visible is that it occurs on such a small scale that it is unnoticeable.)

This brings us to the subject of ocean tides, a major factor that influences ocean currents and helps shape the weather:

During a full moon, the Moon’s gravity is at its strongest, resulting in a spring tide, where water levels are at their highest and sea levels at the coast rise more than at any other point. During this period, atmospheric readings are also able to show an increase in rainfall. The Moon does not influence the weather directly, but the explanation in this section of the different processes involved makes it easier to understand.

The Moon does not influence the weather directly, but the explanation of the different processes involved makes this relationship easier to understand.

The complete process through which the Moon impacts the weather on Earth can be summarized in the following steps:

1. 1. All objects have gravity, which increases with mass. The large mass of the Moon allows it to exert more gravitational force on Earth than any other celestial body.
   2. The part of the ocean directly below the Moon’s position experiences the greatest gravitational pull.
   3. Similar to a magnet attracting another metal object, the Moon pulls at the surface of the ocean, causing it to expand vertically and increase in height.
   4. This vertical expansion is known as a tidal bulge, which sweeps across the ocean’s surface as it follows the Moon’s orbit around the Earth.
   5. The tidal bulge is responsible for creating new and manipulating/redirecting existing ocean currents. Ocean currents affected by tides are called tidal currents.
   6. Ocean currents are one of the main driving forces of weather. As a result, the influence of tidal activity on these currents leads to the creation of new weather patterns, which depend on the characteristics of the water the currents carry.

In summary, this section explained how the Moon affects the weather indirectly through gravity, which leads to the creation of ocean tides. In turn, tidal activity drives and shapes the ocean currents that are largely responsible for the formation of specific weather conditions.