Difference Between Weather and Climate

Weather is the state of the atmosphere at a given time and place. It includes temperature, humidity, wind speed and direction, cloud cover and precipitation. Climate is how the weather in an area typically behaves over long periods of time.
Climate varies from place to place because it depends on many factors such as latitude (distance from the equator), altitude above sea level and proximity to large bodies of water like oceans or lakes.

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Comparison Chart

Category Weather Climate
Definition The current atmospheric conditions at a specific place and time. The long-term patterns of atmospheric conditions of a particular region or location.
Timeframe Short-term, usually over hours or days. Long-term, usually over decades or centuries.
Factors Affected by temperature, precipitation, wind, and air pressure. Affected by factors such as latitude, altitude, ocean currents, and geography.
Variability Highly variable, with changes occurring frequently. Less variable, with changes occurring over long periods.
Prediction Can be predicted in the short-term using weather forecasting. Can be predicted in the long-term using climate models.
Impacts Impacts daily activities such as travel, outdoor events, and agriculture. Impacts long-term planning for infrastructure, agriculture, and ecosystems.
Scale Localized, with weather patterns varying greatly between nearby locations. Regional or global, with climate patterns affecting larger areas.

Overall, weather and climate are different in their timeframes, factors that influence them, variability, predictability, and impacts. Understanding the differences between weather and climate is important for making informed decisions about daily activities and long-term planning for communities and regions.

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What is Weather?

History of Weather and Climate

The study of weather and climate is a relatively young science. It began with the work of Francis Galton in the 19th century, who first identified what he called “isotherms,” which are lines on a map that show where temperatures are similar throughout the year.
Galton’s work was continued by other scientists over time, including Ferdinand von Richthofen (who first coined the term “anticyclone”), Wladimir Kowalewski (who developed an index for measuring air pressure), and William Ferrel (who discovered how wind patterns change with latitude).

Weather vs Climate

Weather and climate are two very different things. Weather is the short-term state of the atmosphere, while climate is the long-term average of weather conditions over a large area. The difference between them can be seen in their definitions:
The word “climate” comes from the Greek word klima meaning ” inclination or slope.” It refers to the average temperature and precipitation over a long period of time (usually 30 years). In general terms, climate can be thought of as an area’s typical weather conditions over time.
Climate change refers to any significant change in global or regional climates over time periods ranging from decades up to millions of years; it may refer to changes in average temperatures, rainfall patterns or wind patterns due to natural causes such as volcanic eruptions or changes in solar output; human activities such as industrialisation; urbanisation; deforestation etc., which affect atmospheric composition through emission of greenhouse gases like carbon dioxide into atmosphere causing global warming leading to climate change

Advantages and Disadvantages of Weather and Climate

Weather and climate are two words that you hear all the time, but what do they mean? Weather refers to current conditions in your area. For example, if it’s raining outside right now and it was sunny yesterday, then today’s weather is rainy. Climate refers to long-term patterns of temperature and precipitation over years or decades. The climate in Seattle tends to be rainy because of its proximity to water; however, there are times when it doesn’t rain for months at a time (and vice versa).

  • Weather can be used as an indicator for what you should wear today based on how hot or cold it will be outside–this makes planning ahead easier since you don’t have much flexibility with clothing options!
  • You can also use weather forecasts from various sources (such as TV stations) when deciding whether or not something might happen later in the day/weekend/etc., such as going hiking or camping out at night during summertime because there will likely still be daylight hours left when those activities end later on tonight (if they happen during regular daylight hours).

Weather and Climate in Project Management

Weather and climate are two terms that can be used interchangeably, but they actually have different meanings. Weather is the short-term atmospheric conditions that occur over a period of days or weeks. Climate refers to long-term averages of weather over an area, such as a city or region.
Climate is important because it affects how we plan and execute projects in many ways:

  • The temperature outside will affect how many people come out to participate in your event (for example, if it’s too hot or cold)
  • Rainy days may mean that work crews are less productive due to wet conditions on site; this could lead to delays in project completion dates if you don’t adjust accordingly


It’s important to understand the difference between weather and climate, because they’re often confused. Weather is what’s happening right now, while climate refers to long-term patterns.
Climate change is caused by humans; it’s a result of our actions on Earth. The climate has been changing since before humans existed–but now that we’ve added so much pollution into our atmosphere, those changes are happening faster than ever before.


  • World Meteorological Organization (WMO)
  • National Oceanic and Atmospheric Administration (NOAA)
  • American Meteorological Society (AMS)

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