This report describes the typical weather at the Eloy Alfaro International Airport (Manta, Ecuador) weather station over the course of an average year. It is based on the historical records from 2006 to 2012. Earlier records are either unavailable or unreliable.
Manta has a mild humid temperate climate with warm summers and no dry season. The area within 25 mi of this station is covered by oceans and seas (100%).
Over the course of a year, the temperature typically varies from 70°F to 85°F and is rarely below 67°F or above 88°F.
The warm season lasts from February 21 to May 21 with an average daily high temperature above 84°F. The hottest day of the year is May 4, with an average high of 85°F and low of 75°F.
The cold season lasts from August 16 to November 10 with an average daily high temperature below 81°F. The coldest day of the year is September 3, with an average low of 70°F and high of 81°F.
The length of the day does not vary substantially over the course of the year, staying within 11 minutes of 12 hours throughout. The shortest day is December 21 with 12:04 hours of daylight; the longest day is June 20 with 12:11 hours of daylight.
The earliest sunrise is at 6:03am on October 31 and the latest sunset is at 6:40pm on February 10. The latest sunrise is at 6:34am on February 2 and the earliest sunset is at 6:09pm on November 8.
Daylight saving time (DST) is not observed in 2012.
The median cloud cover ranges from 67% (partly cloudy) to 84% (mostly cloudy). The sky is cloudiest on January 22 and clearest on April 20. The clearer part of the year begins around March 6. The cloudier part of the year begins around May 28.
On April 20, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 45% of the time, and overcast or mostly cloudy 41% of the time.
On January 22, the cloudiest day of the year, the sky is overcast, mostly cloudy, or partly cloudy 79% of the time, and clear or mostly clear 6% of the time.
The probability that precipitation will be observed at this location varies throughout the year. Precipitation is most likely around February 9, occurring in 43% of days. Precipitation is least likely around September 28, occurring in 3% of days.
Over the entire year, the most common forms of precipitation are light rain, moderate rain, and drizzle.
Light rain is the most severe precipitation observed during 63% of those days with precipitation. It is most likely around February 11, when it is observed during 26% of all days.
Moderate rain is the most severe precipitation observed during 17% of those days with precipitation. It is most likely around February 8, when it is observed during 12% of all days.
Drizzle is the most severe precipitation observed during 13% of those days with precipitation. It is most likely around June 18, when it is observed during 4% of all days.
During the warm season, which lasts from February 21 to May 21, there is a 25% average chance that precipitation will be observed at some point during a given day. When precipitation does occur it is most often in the form of light rain (68% of days with precipitation have at worst light rain), moderate rain (16%), thunderstorms (8%), and drizzle (6%).
During the cold season, which lasts from August 16 to November 10, there is a 4% average chance that precipitation will be observed at some point during a given day. When precipitation does occur it is most often in the form of light rain (53% of days with precipitation have at worst light rain) and drizzle (42%).
Either snow is exceptionally unlikely to fall at any time during the year at this location or this station does not reliably report precipitation types.
The relative humidity typically ranges from 58% (mildly humid) to 95% (very humid) over the course of the year, rarely dropping below 48% (comfortable) and reaching as high as 100% (very humid).
The air is driest around December 18, at which time the relative humidity drops below 64% (mildly humid) three days out of four; it is most humid around March 10, exceeding 92% (very humid) three days out of four.
Dew point is often a better measure of how comfortable a person will find the weather than relative humidity because it more directly relates to whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid.
Over the course of a year, the dew point typically varies from 64°F (mildy humid) to 75°F (very muggy) and is rarely below 61°F (comfortable) or above 77°F (oppressive).
Over the course of the year typical wind speeds vary from 0 mph to 16 mph (calm to moderate breeze), rarely exceeding 72 mph (violent storm).
The highest average wind speed of 10 mph (gentle breeze) occurs around November 26, at which time the average daily maximum wind speed is 16 mph (moderate breeze).
The lowest average wind speed of 5 mph (light breeze) occurs around February 6, at which time the average daily maximum wind speed is 11 mph (gentle breeze).