... in order to achieve a relative humidity (RH) of 100%. Even in the driest month there is a lot of rain. July is the hottest month for Davenport with an average high temperature of 84.6°, which ranks it as warmer than most places in Iowa. It may cause too much humidity, thus adding too much moisture into the air. Above-average temperatures dominated the western U.S., the central Gulf Coast and the East Coast. Iowa Average Wind Speed County Rank. Based on weather reports collected during 1985â2015. When it rains, it can have a considerable impact on the humidity in the air. Please contact the FAA for more information on pilot briefings or call 1-800-WX-BRIEF (800-992-7433). Iowa climate summary The Iowa lies on 10m above sea level The climate in Iowa is warm and temperate. Relative humidity is probalby the second most popular factor that people take into consideration when looking for the weather of a city to live in. Our cloud cover score is 10 for fully clear skies, falling linearly to 9 for mostly clear skies, and to 1 for fully overcast skies.
The thin dotted lines are the corresponding average perceived temperatures. If it gets much lower than 30, you risk problems with ⦠Relative humidity of US cities including average monthly and annual data in a city by city listing. It also helps to protect your musical instruments, drywall, wooden furniture, and other belongings or materials from the damaging effects of dryness or excessive moisture. Too much of it and your home could grow mold, mildew, fungus, etc. FAQs on humidity levels. Humidity is a part of everyday life. The high humidity makes it feel hotter than it actually is, making what could potentially be a perfectly-sunny day into a nastily-sticky day. Rainfall The month with the most rainfall is June when the rain falls for 11.5 days and typically aggregates up to 4.9" (125.5mm) of precipitation. CityRating.com now offers an average city relative humidity chart that displays the annual and monthly humidity for dozens of cities. Locations without 'Average Humidity' data are not listed. Recommended Humidity Levels . Plenty of sunshine across Iowa this afternoon with temperatures in the upper 70s to mid 80s. In the winter, the humidity will naturally be lower in the home than it is in the summer. With the varied climate, retirees can ski or snowshoe in the winter, hike in the summer, and enjoy the scenic Rocky Mountains any time of year. Monthly: 1981-2010 normals History: 2007-2019 The average annual temperature in Iowa is 19.7 °C | 67.4 °F. This location is classified as Cfa by Köppen and Geiger. Annual Weather Averages Near Dubuque. Understand more about how rain and humidity connected and affected. If the outdoor temperature is 0-10 degrees, the indoor humidity level should remain at 30% or slightly lower. When the outside temperature is 10-20 degrees Fahrenheit, indoor humidity levels should not exceed 35%. The wettest season is Autumn with 39% of yearly precipitation and 10% occurs in Spring, which is the driest season. Maximum relative humidity values usually occur during morning hours. Monthly: 1981-2010 normals The rank above might not be a complete list. What is the recommended humidity level inside a home? I think we had two or three days of high temperatures above 90F, not including humidity. If the levels get too low, a humidifier can help raise the humidity. Average humidity values are given for selected morning and afternoon observations. The counties in the blue represent cooler summers compared to average over the last 50 years. First, let's lay out a general rule for the ideal indoor relative humidity. Relative humidity is a confusing way to describe atmospheric moisture near the ground level. This ranked in the middle third of the 126-year record. Absolute humidity, which is typically measured by dew point temperature, is increasing in Iowa in all seasons and at all long-term monitoring stations. The recommended average relative humidity level is between 35 percent and 45 percent. The Methodology: Our data is based on the National Oceanic and Atmospheric Administration's Average Relative Humidity Data, which is collected from each of its approximately 250 weather observation stations located throughout the United States. This, of course, depends on the climate you live in, as well as your personal preference. That means that the ideal range of relative humidity for a home is between 30% and 50%, according to the EPA. However the humidity level will still be low and dry! Station Data. ... average annual relative humidity and 2) the average annual dew point. Station Data. Iowa is a city with a significant rainfall. Averages are for Waterloo Municipal Airport, which is 5 miles from Waterloo. Humidity above 50% is typically considered too high, while humidity below 30% is usually too low. Des Moines's coldest month is January when the average temperature overnight is 11.7°F. So, it will be easy for you to control humidity within your work environment. In the winter, humidity of between 30 and 40 percent is considered normal. The top causes of humidity in the ⦠Denver is one of the least humid cities in the U.S. and has on average 245 sunny days a year, even in the snowy winter. Iowa Iowa is a U.S. state in the Midwestern United States, ... We may get 5 good days a year on average, the rest are to hot, to cold, to wet and to cloudy with sever storms in all 4 seasons. Averages are for Dubuque Regional Airport, which is 7 miles from Dubuque. Climate can mean the average weather for a particular region and time period taken over 30 years. Relative humidity is probalby the second most popular factor that people take into consideration when looking for the weather of a city to live in. Please note that we only rank locations with 'Average Humidity' data. A few showers/storms have developed just east of the Mississippi River and are moving south. Iowa lies in the humid continental zone and generally has hot summers, cold winters, and wet springs. You want to keep the indoor relative humidity low enough to prevent visible and invisible moisture problems and high enough to prevent excess static electricity or dry skin. Iowa (Average humidity â 82.01%) Iowa is one of the states with the highest humidity in the world. CityRating.com offers the average Des Moines relative humidity chart that displays the annual and monthly humidity percentages for ⦠If the humidity level is too low, itchy skin, dry hair and chapped lips can make you uncomfortable. California ranked warmest on record for October while Arizona and Florida both ranked third warmest. Dew point temperature increases in ⦠The indoor temperature is 70 degrees (F) and the indoor humidity level is 35%. What causes high humidity levels? My humidifier is not on. MUCH MUCH better than when I lived further south in the Kansas City region. June is the wettest month in Iowa with 4.9 inches of rain, and the driest month is January with 0.9 inches. Similarly, the annual average wind speed for Iowa is much higher than the national average. Relative humidity is what we need to be concerned with. Temperatures vary widely during the year, with an annual average of 49°F (9°C). Snowfall May through September are months without snowfall. On the low end, you probably don't want to go lower than 30-35% relative humidity (RH). The relative humidity is expressed as a percentage measure of the amount of moisture in the air compared to the maximum amount of moisture the air can hold at the same temperature and pressure. Climate is the average of weather over time. 1. Local Data Search . âAn Aprilaire whole-home humidifier is designed to raise absolute humidity in your home, which, at the same time, increases the relative humidity (RH) in the air. The Consumer Product Safety Commission recommends a humidity level between 30 and 50 percent, while the Environmental Protection Agency recommends a humidity level between 30 and 60 percent to reduce the growth of harmful mold. In instances when the outdoor temperature is between -10 and 0 degrees Fahrenheit, the humidity level should not exceed 25%. Living house plants can also help raise the humidity of a home, as can placing containers of water near your heat ducts. 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