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Guyana Climate
https://photius.com/countries/guyana/climate/guyana_climate_climate.html
Sources: The Library of Congress Country Studies; CIA World Factbook
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    Guyana has a tropical climate with almost uniformly high temperatures and humidity, and much rainfall. Seasonal variations in temperature are slight, particularly along the coast. Although the temperature never gets dangerously high, the combination of heat and humidity can at times seem oppressive. The entire area is under the influence of the northeast trade winds, and during the midday and afternoon sea breezes bring relief to the coast. Guyana lies south of the path of Caribbean hurricanes and none is known to have hit the country.

    Temperatures in Georgetown are quite constant, with an average high of 32�C and an average low of 24�C in the hottest month (July), and an average range of 29�C to 23�C in February, the coolest month. The highest temperature ever recorded in the capital was 34�C and the lowest only 20�C. Humidity averages 70 percent year-round. Locations in the interior, away from the moderating influence of the ocean, experience slightly wider variations in daily temperature, and nighttime readings as low as 12�C have been recorded. Humidity in the interior is also slightly lower, averaging around 60 percent.

    Rainfall is heaviest in the northwest and lightest in the southeast and interior. Annual averages on the coast near the Venezuelan border are near 250 centimeters, farther east at New Amsterdam 200 centimeters, and 150 centimeters in southern Guyana's Rupununi Savannah. Areas on the northeast sides of mountains that catch the trade winds average as much as 350 centimeters of precipitation annually. Although rain falls throughout the year, about 50 percent of the annual total arrives in the summer rainy season that extends from May to the end of July along the coast and from April through September farther inland. Coastal areas have a second rainy season from November through January. Rain generally falls in heavy afternoon showers or thunderstorms. Overcast days are rare; most days include four to eight hours of sunshine from morning through early afternoon.

    Data as of January 1992


    NOTE: The information regarding Guyana on this page is re-published from The Library of Congress Country Studies and the CIA World Factbook. No claims are made regarding the accuracy of Guyana Climate information contained here. All suggestions for corrections of any errors about Guyana Climate should be addressed to the Library of Congress and the CIA.

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