Make sure they are prepared and able to cope. Avoid strenuous work or sport activities during the intense sunlight hours from 10 a.m. to 3 p.m. The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. Wearing a mask is important to decrease transmission of COVID-19 in any indoor setting where it may be difficult to maintain at least two-metre distancing or the room or corridor is small. Time zones for airports and weather stations are provided by . In 2020, the shortest day is December 21, with 8 hours, 43 minutes of daylight; the longest day is June 20, with 15 hours, 40 minutes of daylight. Heat exhaustion is a non-life-threatening condition caused by the excessive loss of water and salts from the body due to prolonged exposure to extreme heat. Based on this categorization, the most common form of precipitation in Ottawa changes throughout the year. Weather-strip doors and windows to keep cool air inside. Based on this score, the best time of year to visit Ottawa for general outdoor tourist activities is from late June to late August, with a peak score in the first week of August. Snow depths of greater than 1 cm are seen on about 120 days each year compared with about 65 days in Toronto. Close all blinds and drapes on the sunny side of your home, but keep windows slightly open. The tourism score favors clear, rainless days with perceived temperatures between 65°F and 80°F. The general public should plan outdoor outings for the coolest times of the day and take breaks in the shade or a cool environment if they are finding a face mask uncomfortable in the heat. Our precipitation score, which is based on the three-hour precipitation centered on the hour in question, is 10 for no precipitation, falling linearly to 9 for trace precipitation, and to 0 for 0.04 inches of precipitation or more. Check the UV index forecast daily at, or in the local media. Never leave people or pets in a parked car, even with the windows open. Based on the tourism score, the best time of year to visit Ottawa for warm-weather activities is from late June to late August. Extreme heat can cause dehydration, heat exhaustion, heat stroke and even death. Within 10 miles contains only modest variations in elevation (1,050 feet). Ottawa experiences significant seasonal variation in monthly rainfall. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. Decreasing intensity/volume of work, more frequent rests, and more cooling breaks may be necessary. the relative humidity; whether there are cold-air drafts; the radiating effect of cold or hot surfaces (walls, floors, ceilings, window glass, etc. Stay connected with people in your community who have a difficult time coping with hot weather and those who live alone and check on them regularly. We recommend updating your browser to its most recent version at your earliest convenience. The average daily incident shortwave solar energy experiences extreme seasonal variation over the course of the year. The smallest chance of a wet day is 20% on January 29. The clearer part of the year in Ottawa begins around May 23 and lasts for 5.1 months, ending around October 25. Our bodies take about two weeks to get used to sudden spikes in temperature. We collected past weather data from many thousand weather stations around the world. We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. The average hourly wind speed in Ottawa experiences significant seasonal variation over the course of the year. ); factors like age, clothing, level of physical activity, state of health, degree of fatigue, etc. The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands. Heat warnings mean extra precautions need to … The darkest day of the year is December 16, with an average of 1.2 kWh. Focus on cooling the back of the neck, under the arms and groin area. Drink plenty of fluids throughout the day, preferably water and limit or avoid caffeine and alcohol. You can now get official weather forecasts and alerts straight to your phone with WeatherCAN, Environment Canada’s new weather application. The brighter period of the year lasts for 3.5 months, from May 4 to August 21, with an average daily incident shortwave energy per square meter above 5.6 kWh. Maps are © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC. Humidex of 40 C for at least two days. For the purposes of this report, the geographical coordinates of Ottawa are 45.411 deg latitude, -75.698 deg longitude, and 256 ft elevation. For each station, the records are corrected for the elevation difference between that station and Ottawa according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations. It will be important to think ahead and plan for ways to stay cool and keep in touch with others who may not be able to stay cool, especially during a heat warning. The calmest day of the year is July 30, with an average hourly wind speed of 3.7 miles per hour. Drink plenty of fluids especially water. Exercise Program, Careers, Volunteering, and Student Placements, COVID-19 Information for Community Partners and Service Providers, Outbreak Reports in Ottawa Healthcare Institutions, Professional Resources for Long Term Care Facilities and Retirement Homes, Use of Portable Fans and Portable Air Conditioning Units during COVID-19 in Long-term Care and Retirement Homes, Environment and Climate Change Canada (ECCC) issues a, Surviving Summer power outages during heat waves. The highest chance of a day with rain alone is 38% on July 2. The earliest sunset is at 4:19 PM on December 9, and the latest sunset is 4 hours, 36 minutes later at 8:55 PM on June 25. Dashboard. Within 50 miles also contains very significant variations in elevation (1,903 feet). Daylight saving time (DST) is observed in Ottawa during 2020, starting in the spring on March 8, lasting 7.8 months, and ending in the fall on November 1. All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus. Yeah I always hear how Ottawa, Montreal and Toronto are all very humid in the summer. The stations contributing to this reconstruction are: Ottawa Macdonald-Cartier International Airport (65%, 10 kilometers, south); Gatineau Airport (35%, 16 kilometers, northeast); and Bancroft Automatic Weather Reporting System (1.0%, 174 kilometers, west). don't use a fan to blow extremely hot air on yourself. Our Parenting in Ottawa website has information about keeping children safe during hot weather and the Ontario Ministry of Labour has information on managing heat stress in the workplace. Check on those who may need help accessing air conditioning, such as the elderly and chronically ill, especially those who live in high-rise buildings. The muggiest day of the year is July 19, with muggy conditions 19% of the time. The snowy period of the year lasts for 5.9 months, from October 26 to April 23, with a sliding 31-day liquid-equivalent snowfall of at least 0.1 inches. Make sure to consult with your doctor if you are on a restricted fluid intake. The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day). The least rain falls around February 6, with an average total accumulation of 0.5 inches. Nursing mothers should keep hydrated in order to produce a sufficient amount of milk. Be sure to include food that will not spoil and does not require heating. Snow alone is the most common for 3.3 months, from December 3 to March 13. Talk with your doctor, nurse or pharmacist if you are taking medications or if you are feeling unwell. Call Ottawa Public Health at 613-580-6744, Make sure that you and those you care for do not suffer unnecessarily during hot weather events. Apply aloe gel if needed; avoid use of creams or lotions that can hold heat inside the skin or contain numbing medication (i.e. The average growing degree days accumulated over the course of the year, with 25th to 75th and 10th to 90th percentile bands. Relative Humidity: weather charts and data over for Ottawa (Kanata - Orléans), Ontario, Canada. Rain falls throughout the year in Ottawa. The drier season lasts 3.9 months, from December 13 to April 8. don't believe that fans cool air. The northern lights, polar light or Aarora Borealis is a true spectacle of nature! The percentage of time spent in various temperature bands. The Dempster Highway is one for the bucket list. Spend at least two hours a day in a cool environment to cool your body during extreme heat. The highest chance of a day with snow alone is 16% on January 9. The hottest day of the year is July 19, with an average high of 80°F and low of 61°F. Keep in daily contact with friends and family to let them know how you are feeling. Voronezh, Russia (4,700 miles away) and Sunagawa, Japan (5,882 miles) are the far-away foreign places with temperatures most similar to Ottawa (view comparison). Radar Alerts Log Recent Weather Events. 0.150 inches The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. The temperature will rise dangerously in only a few minutes. High air-pollution and UV index levels often occur during hot weather conditions.

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