October Weather in Seychelles Seychelles

Daily high temperatures are around 85°F, rarely falling below 82°F or exceeding 87°F.

Daily low temperatures are around 77°F, rarely falling below 75°F or exceeding 80°F.

For reference, on April 6, the hottest day of the year, temperatures in Seychelles typically range from 79°F to 88°F, while on July 31, the coldest day of the year, they range from 77°F to 82°F.

The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on October. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.

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The month of October in Seychelles experiences gradually increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 51% to 57%. The lowest chance of overcast or mostly cloudy conditions is 51% on October 5.

The clearest day of the month is October 5, with clear, mostly clear, or partly cloudy conditions 49% of the time.

For reference, on January 11, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 73%, while on October 1, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 49%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Seychelles, the chance of a wet day over the course of October is very rapidly increasing, starting the month at 24% and ending it at 40%.

For reference, the year's highest daily chance of a wet day is 58% on December 29, and its lowest chance is 10% on July 26.

Rainfall

To show variation within the month and not just the monthly total, we show the rainfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day rainfall during October in Seychelles is rapidly increasing, starting the month at 2.7 inches, when it rarely exceeds 6.6 inches or falls below 0.1 inches, and ending the month at 3.9 inches, when it rarely exceeds 7.9 inches or falls below 0.8 inches.

Over the course of October in Seychelles, the length of the day is essentially constant. The shortest day of the month is October 1, with 12 hours, 9 minutes of daylight and the longest day is October 31, with 12 hours, 16 minutes of daylight.

The latest sunrise of the month in Seychelles is 6:02 AM on October 1 and the earliest sunrise is 10 minutes earlier at 5:52 AM on October 31.

The latest sunset is 6:11 PM on October 1 and the earliest sunset is 2 minutes, 29 seconds earlier at 6:08 PM on October 24.

Daylight saving time is not observed in Seychelles during 2024.

For reference, on December 21, the longest day of the year, the Sun rises at 6:03 AM and sets 12 hours, 23 minutes later, at 6:27 PM, while on June 20, the shortest day of the year, it rises at 6:23 AM and sets 11 hours, 51 minutes later, at 6:14 PM.

The figure below presents a compact representation of the sun's elevation (the angle of the sun above the horizon) and azimuth (its compass bearing) for every hour of every day in the reporting period. The horizontal axis is the day of the year and the vertical axis is the hour of the day. For a given day and hour of that day, the background color indicates the azimuth of the sun at that moment. The black isolines are contours of constant solar elevation.

The figure below presents a compact representation of key lunar data for October 2024. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon.

We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night.

The chance that a given day will be muggy in Seychelles is essentially constant during October, remaining around 100% throughout.

For reference, on January 1, the muggiest day of the year, there are muggy conditions 100% of the time, while on August 12, the least muggy day of the year, there are muggy conditions 100% of the time.

This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.

The average hourly wind speed in Seychelles is very rapidly decreasing during October, decreasing from 13.4 miles per hour to 9.0 miles per hour over the course of the month.

For reference, on August 17, the windiest day of the year, the daily average wind speed is 17.0 miles per hour, while on April 6, the calmest day of the year, the daily average wind speed is 7.0 miles per hour.

The hourly average wind direction in Seychelles throughout October is predominantly from the south, with a peak proportion of 64% on October 1.

Seychelles is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.

The average surface water temperature in Seychelles is essentially constant during October, remaining around 82°F throughout.

Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).

Temperatures in Seychelles 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.

Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F.

The average accumulated growing degree days in Seychelles are very rapidly increasing during October, increasing by 925°F, from 2,725°F to 3,650°F, over the course of the month.

This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation.

The average daily incident shortwave solar energy in Seychelles is essentially constant during October, remaining within 0.1 kWh of 6.2 kWh throughout.

The highest average daily incident shortwave solar energy during October is 6.3 kWh on October 7.

For the purposes of this report, the geographical coordinates of Seychelles are -4.583 deg latitude, 55.667 deg longitude, and 0 ft elevation.

The topography within 2 miles of Seychelles is essentially flat, with a maximum elevation change of 0 feet and an average elevation above sea level of 0 feet. Within 10 miles is also essentially flat (0 feet). Within 50 miles is also essentially flat (0 feet).

The area within 2 miles of Seychelles is covered by water (100%), within 10 miles by water (100%), and within 50 miles by water (99%).