October weather forecast
Mecca, Saudi Arabia

October marks a clear shift from the lingering summer heat towards a more moderate temperature range. The whole city seems to breathe a sigh of relief as temperatures continue their descent into comfort. Despite the lower temperatures, the sun still graces the sky for an extended duration. There is an increased chance of rain, which adds freshness to the arid desert cityscape.

Temperature

The high-temperature average in October for Mecca is a still extremely hot 40.1°C (104.2°F), staying closely aligned with September's conditions. With a notable disparity from daily peak temperatures, the average low-temperature in Mecca settles at a moderately hot 25.9°C (78.6°F) throughout October.

Heat index

During October, the heat index is estimated at a burning hot 55°C (131°F). Warning: These weather conditions are understood as overly dangerous, heatstroke is inevitable.
Understand that the heat index values take into account shaded locations and mild winds. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. When air moisture content is high, the cooling process through evaporation is not as efficient, leading to an ineffective body cooling process and a feeling of overheating. As the body gains more heat than it can dissipate, there's a risk of increasing temperatures and resultant overheating.

Humidity

In October, the average relative humidity is 50%.

Rainfall

In Mecca, in October, during 1.9 rainfall days, 15mm (0.59") of precipitation is typically accumulated. In Mecca, during the entire year, the rain falls for 22.4 days and collects up to 112mm (4.41") of precipitation.

Daylight

The average length of the day in October is 11h and 40min.
On the first day of October, sunrise is at 06:11 and sunset at 18:08. On the last day of the month, sunrise is at 06:23 and sunset at 17:45 +03.

Sunshine

The average sunshine in October in Mecca, Saudi Arabia, is 9.7h.

UV index

In October, the average daily maximum UV index is 10. A UV Index value of 8 to 10 symbolizes a very high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: In October, the maximum UV index of 10 translates into these guidelines:
Protection should always be a priority. Skin and eyes are vulnerable without it. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Even on overcast days, apply and frequently reapply a sunscreen with SPF 30 or more, specifically after a swim or outdoor workout.