Riyadh
Saudi Arabia
Long-term weather forecast
Long-term weather forecast

October weather forecast and climate
Riyadh, Saudi Arabia

A view of the Olaya street metro construction and cars in a traffic jam in the city of Riyadh, Saudi Arabia, viewed from above, at night
A view of the Olaya street metro construction and cars in a traffic jam in the city of Riyadh, Saudi Arabia, viewed from above, at night
October, the same as September, is another sweltering autumn month in Riyadh, Saudi Arabia, with average temperature fluctuating between 35.3°C (95.5°F) and 21.2°C (70.2°F).

Temperature

In Riyadh, Saudi Arabia, the average high-temperature decreases, from a scorching 40.4°C (104.7°F) in September, to a very hot 35.3°C (95.5°F). The average low-temperature, in Riyadh, Saudi Arabia, is 21.2°C (70.2°F).

Humidity

The average relative humidity in Riyadh, Saudi Arabia, is 20%.

Rainfall

January through May, August, October through December are months with rainfall in Riyadh.

Daylight

In October, the average length of the day is 11.6h.

Sunshine

In Riyadh, the average sunshine in October is 10h.

UV index

In Riyadh, the average daily maximum UV index is 9. A UV Index value of 8 to 10 symbolizes a very high health risk from the exposure to the Sun's UV rays for the average person.
The average daily UV index of 9 in October transform into the following instructions:
Take special precautions, as unprotected skin can be damaged and can burn quickly. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise.

What is the temperature in October in Riyadh?

The average high-temperature, in October, in Riyadh, Saudi Arabia, is 35.3°C (95.5°F), while the average low-temperature is 21.2°C (70.2°F).

What is the average humidity in October in Riyadh?

In October, the average relative humidity in Riyadh is 20%.

When does it start raining in Riyadh?

October is the first month it rains in Riyadh. Throughout October, in the average 0.5 rainfall days, it receives 0.8mm (0") of precipitation.

What is the average length of the day in October in Riyadh?

In October, the average length of the day in Riyadh, Saudi Arabia, is 11.6h.

How many hours of sunshine does Riyadh have in October?

In Riyadh, the average sunshine in October is 10h.

How high is the UV index in October in Riyadh?

In Riyadh, the average daily maximum UV index in October is 9. A UV Index reading of 8 to 10 represents a very high health risk from unsafe exposure to the Sun's UV rays.
Average temperature in October - Riyadh, Saudi Arabia
  • Average high temperature in October: 35.3°C

The warmest month (with the highest average high temperature) is August (43.6°C).
The month with the lowest average high temperature is January (20.2°C).

  • Average low temperature in October: 21.2°C

The month with the highest average low temperature is July (29.3°C).
The coldest month (with the lowest average low temperature) is January (9°C).

Average humidity in October - Riyadh, Saudi Arabia
  • Average humidity in October: 20%

Months with the highest relative humidity are January and December (47%).
The month with the lowest relative humidity is July (10%).

Average rainfall in October - Riyadh, Saudi Arabia
  • Average rainfall in October: 0.8mm

The wettest month (with the highest rainfall) is April (23.8mm).
Driest months (with the lowest rainfall) are June, July and September (0mm).

Average rainfall days in October - Riyadh, Saudi Arabia
  • Average rainfall days in October: 0.5 days

The month with the highest number of rainy days is April (11.3 days).
Months with the lowest number of rainy days are June and September (0 days).

Average daylight in October / Average sunshine in October - Riyadh, Saudi Arabia
  • Average daylight in October: 11.6h

The month with the longest days is June (Average daylight: 13.7h).
The month with shortest days is December (Average daylight: 10.6h).

  • Average sunshine in October: 10h

The month with most sunshine is June (Average sunshine: 10.9h).
Months with least sunshine are January and December (Average sunshine: 6.9).

Average UV index in October - Riyadh, Saudi Arabia
  • Average UV index in October: 9

Months with the highest UV index are April, May, June, July and August (UV index 12).
The month with the lowest UV index is December (UV index 5).