Average Weather at Ivato International Airport Madagascar
At Ivato International Airport, the wet season is warm and overcast and the dry season is comfortable and mostly clear. Over the course of the year, the temperature typically varies from 50°F to 81°F and is rarely below 45°F or above 86°F.
Based on the tourism score, the best times of year to visit Ivato International Airport for warm-weather activities are from mid April to mid June and from mid August to late October.
The warm season lasts for 5.9 months, from October 11 to April 7, with an average daily high temperature above 78°F. The hottest day of the year is November 25, with an average high of 81°F and low of 61°F.
The cool season lasts for 2.4 months, from June 9 to August 21, with an average daily high temperature below 71°F. The coldest day of the year is July 11, with an average low of 50°F and high of 68°F.
Average High and Low Temperature
The figure below shows you a compact characterization of the entire year of hourly average temperatures. The horizontal axis is the day of the year, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.
Average Hourly Temperature
At Ivato International Airport, the average percentage of the sky covered by clouds experiences extreme seasonal variation over the course of the year.
The clearer part of the year at Ivato International Airport begins around April 7 and lasts for 7.2 months, ending around November 14. On June 14, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 88% of the time, and overcast or mostly cloudy 12% of the time.
The cloudier part of the year begins around November 14 and lasts for 4.8 months, ending around April 7. On January 12, the cloudiest day of the year, the sky is overcast or mostly cloudy 84% of the time, and clear, mostly clear, or partly cloudy 16% of the time.
Cloud Cover Categories
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. The chance of wet days at Ivato International Airport varies very significantly throughout the year.
The wetter season lasts 4.9 months, from November 9 to April 5, with a greater than 45% chance of a given day being a wet day. The chance of a wet day peaks at 83% on January 26.
The drier season lasts 7.1 months, from April 5 to November 9. The smallest chance of a wet day is 7% on September 1.
Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 83% on January 26.
Daily Chance of Precipitation
To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. Ivato International Airport experiences extreme seasonal variation in monthly rainfall.
The rainy period of the year lasts for 11 months, from September 7 to August 22, with a sliding 31-day rainfall of at least 0.5 inches. The most rain falls during the 31 days centered around January 21, with an average total accumulation of 16.3 inches.
The rainless period of the year lasts for 2.3 weeks, from August 22 to September 7. The least rain falls around August 30, with an average total accumulation of 0.4 inches.
Average Monthly Rainfall
The length of the day at Ivato International Airport varies over the course of the year. In 2018, the shortest day is June 21, with 11 hours, 0 minutes of daylight; the longest day is December 22, with 13 hours, 16 minutes of daylight.
Hours of Daylight and Twilight
The earliest sunrise is at 5:03 AM on November 26, and the latest sunrise is 1 hour, 20 minutes later at 6:23 AM on July 7. The earliest sunset is at 5:19 PM on June 4, and the latest sunset is 1 hour, 14 minutes later at 6:33 PM on January 17.
Daylight saving time (DST) is not observed at Ivato International Airport during 2018.
Sunrise & Sunset with Twilight
Ivato International Airport experiences significant seasonal variation in the perceived humidity.
The muggier period of the year lasts for 5.0 months, from November 19 to April 17, during which time the comfort level is muggy, oppressive, or miserable at least 9% of the time. The muggiest day of the year is February 6, with muggy conditions 36% of the time.
The least muggy day of the year is July 6, when muggy conditions are essentially unheard of.
Humidity Comfort Levels
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The average hourly wind speed at Ivato International Airport experiences mild seasonal variation over the course of the year.
The windier part of the year lasts for 4.0 months, from June 11 to October 12, with average wind speeds of more than 8.4 miles per hour. The windiest day of the year is July 25, with an average hourly wind speed of 9.8 miles per hour.
The calmer time of year lasts for 8.0 months, from October 12 to June 11. The calmest day of the year is December 8, with an average hourly wind speed of 6.9 miles per hour.
Average Wind Speed
The predominant average hourly wind direction at Ivato International Airport is from the east throughout the year.
Best Time of Year to Visit
To characterize how pleasant the weather is at Ivato International Airport throughout the year, we compute two travel scores.
The tourism score favors clear, rainless days with perceived temperatures between 65°F and 80°F. Based on this score, the best times of year to visit Ivato International Airport for general outdoor tourist activities are from mid April to mid June and from mid August to late October, with a peak score in the last week of September.
The beach/pool score favors clear, rainless days with perceived temperatures between 75°F and 90°F. Based on this score, the best times of year to visit Ivato International Airport for hot-weather activities are from late March to early May and from late September to late November, with a peak score in the last week of October.
For each hour between 8:00 AM and 9:00 PM of each day in the analysis period (1980 to 2016), independent scores are computed for perceived temperature, cloud cover, and total precipitation. Those scores are combined into a single hourly composite score, which is then aggregated into days, averaged over all the years in the analysis period, and smoothed.
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.
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.
Our tourism temperature score is 0 for perceived temperatures below 50°F, rising linearly to 9 for 65°F, to 10 for 75°F, falling linearly to 9 for 80°F, and to 1 for 90°F or hotter.
Our beach/pool temperature score is 0 for perceived temperatures below 65°F, rising linearly to 9 for 75°F, to 10 for 82°F, falling linearly to 9 for 90°F, and to 1 for 100°F or hotter.
Temperatures at Ivato International Airport are sufficiently warm year round that it is not entirely meaningful to discuss the growing season in these terms. We nevertheless include the chart below as an illustration of the distribution of temperatures experienced throughout the year.
Time Spent in Various Temperature Bands and the Growing Season
Growing Degree Days
The average daily incident shortwave solar energy experiences some seasonal variation over the course of the year.
The brighter period of the year lasts for 2.7 months, from September 12 to December 4, with an average daily incident shortwave energy per square meter above 6.6 kWh. The brightest day of the year is October 23, with an average of 7.1 kWh.
The darker period of the year lasts for 2.5 months, from May 14 to July 31, with an average daily incident shortwave energy per square meter below 5.2 kWh. The darkest day of the year is June 27, with an average of 4.7 kWh.
Average Daily Incident Shortwave Solar Energy
For the purposes of this report, the geographical coordinates of Ivato International Airport are -18.797 deg latitude, 47.479 deg longitude, and 4,147 ft elevation.
The topography within 2 miles of Ivato International Airport contains only modest variations in elevation, with a maximum elevation change of 446 feet and an average elevation above sea level of 4,152 feet. Within 10 miles contains only modest variations in elevation (1,591 feet). Within 50 miles contains very significant variations in elevation (6,240 feet).
The area within 2 miles of Ivato International Airport is covered by grassland (67%) and water (11%), within 10 miles by grassland (65%) and trees (17%), and within 50 miles by grassland (50%) and trees (30%).
This report illustrates the typical weather at Ivato International Airport, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.
Temperature and Dew Point
Ivato International Airport has a weather station that reported reliably enough during the analysis period that we have included it in our network. When available, historical temperature and dew point measurements are taken directly from this weather station. These records are obtained from NOAA's Integrated Surface Hourly data set, falling back on ICAO METAR records as required.There are no other weather stations in our network within 200 kilometers of this location. Consequently, in the case of missing or erroneous measurements from this station, we fall back on NASA's MERRA-2 modern-era reanalysis , adjusted according to typical seasonal and diurnal differences between this station and the wide-area MERRA-2 reconstructed values.
Time zones for aiports and weather stations are provided by AskGeo.com .