Overheating risks increase with rising body temperatures, especially if heat release isn't efficient. ![]() In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. One way the human body deals with excessive warmth is by perspiring and allowing sweat to evaporate. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk. Typically, children face more danger than adults as they usually perspire less. Heat index values are particularly relevant to babies and toddlers. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', quantifies the warmth felt when relative humidity is considered. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees. It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Continuous activity could lead to heatstroke. ![]() Exercise increased caution, heat cramps and heat exhaustion are potential hazards. Heat indexFor July, the heat index is evaluated at a torrid 100.4☏. TemperatureThe month of July, characterized by an average high of 88☏ and a low of 69.1☏, is recognized as the warmest. This month also brings appreciable gusts with wind power peaking at 7.8mph. Yet, the sweltering heat calls for the necessary precautions against sunstroke and dehydration. ![]() From music festivals to food markets, the lively ambiance of the city is at a yearly high. Basking in the summer sun, city dwellers spend their time enjoying various outdoor attractions. hits the annual temperature pinnacle from 69.1☏ to 88☏. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.July in Washington, D.C. A hat with a broad brim is indispensable, filtering out up to half of UV rays. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Note: The maximum daily UV index of 2 in December interprets into the following recommendations:ĭespite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the average person. UV indexJanuary and December, with an average maximum UV index of 2, are months with the lowest UV index in Washington. SunshineJanuary, February and December, with an average of 5.1h of sunshine, are months with the least sunshine in Washington. On the last day of the month, sunrise is at 7:26 am and sunset at 4:55 pm EST. On the first day of December in Washington, sunrise is at 7:07 am and sunset at 4:46 pm. DaylightDecember has the shortest days of the year in Washington, with an average of 9h and 30min of daylight. Throughout the year, there are 11.7 snowfall days, and 6.3" of snow is accumulated. Throughout December, in the average 1.7 snowfall days, it receives 0.79" of snow. December is the first month it typically snows in Washington. SnowfallMonths with snowfall are January through March and December. Throughout the year, in Washington, there are 149.1 rainfall days, and 26.14" of precipitation is accumulated. Rainfall In Washington, District of Columbia, in December, during 10 rainfall days, 1.93" of precipitation is typically accumulated. HumidityIn December, the average relative humidity is 75%. ![]() In the month of December, the average low-temperature in Washington usually rests at an icy 34.2☏. TemperatureThe transition to December in Washington results in a modest reduction in average high-temperature, moving from a fresh 54.9☏ in November to a frosty 46☏. However, the chilly winds can be biting and are an important factor to consider before venturing outdoors. A remarkable feature of December is the lowest average wind speed, at 7mph, making the cold weather slightly more manageable. Bundled up in warmer clothing, both locals and tourists revel in the season's joyous charm. The festive spirit of the month radiates throughout city streets despite the occasional snow flurry. greets winter with plunging temperatures from 34.2☏ to 46☏.
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