October weather forecastMontevideo, Uruguay

Beautiful lawns and palm trees in the independence square outside the Centrally placed Salvo Palace in Montevideo, Uruguay

October

Weather in October

By October, Montevideo fully embraces spring with pleasant weather encouraging outdoor enjoyment. Rainfall peaks again at 109mm (4.29"), being the highest in the second half of the year. Day and sunshine durations increase noticeably, painting long vibrant days. As sea temperature rises steadily, water activities become more enjoyable. Despite the increased rainfall, the month remains comfortable due to its moderate humidity.

Temperature

The arrival of October records an average high-temperature of an agreeable 20.5°C (68.9°F), closely related to the 18°C (64.4°F) observed in September. During October, the temperature is averaged to a low of 11.5°C (52.7°F) at night.

Humidity

In Montevideo, the average relative humidity in October is 71%.

Rainfall

October is the month with the most rainfall. Rain falls for 7 days and accumulates 109mm (4.29") of precipitation.

Sea temperature

In Montevideo, Uruguay, the average seawater temperature in October is 17.2°C (63°F).
Note: The majority of individuals do not enjoy swimming in water that is 17.2°C (63°F). Breathing control becomes more challenging as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).

Daylight

The average length of the day in October is 12h and 59min.
On the first day of October, sunrise is at 06:20 and sunset at 18:48. On the last day of the month, sunrise is at 05:42 and sunset at 19:13 -03.

Sunshine

In Montevideo, the average sunshine in October is 7.7h.

UV index

In Montevideo, the average daily maximum UV index in October is 8. A UV Index estimate of 8 to 10 represents a very high health risk from exposure to the Sun's UV radiation for average individuals.
Note: A maximum high UV index of 8 in October translates into the following recommendations:
Take special precautions, as unprotected skin can be damaged and can burn quickly. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.

Updated: Jun 4, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Montevideo, 20.5°C (68.9°F) is the average high-temperature and 11.5°C (52.7°F) is the average low-temperature during October. The average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in February is calculated to be 30°C (86°F).

In Montevideo, the average relative humidity in October is 71%.

October is the month with the most rainfall. Rain falls for 7 days and accumulates 109mm (4.29") of precipitation.

In Montevideo, Uruguay, during October, the rain falls for 7 days and regularly aggregates up to 109mm (4.29") of precipitation.

In Montevideo, Uruguay, in October, the average water temperature is 17.2°C (63°F). For swimming, a surface water temperature of 17.2°C (63°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

The average day length in October is 12h and 59min.

In October, on the first day of the month, sunrise is at 06:20 and sunset at 18:48. On the last day of the month, sunrise is at 05:42 and sunset at 19:13 -03.

In October, the average sunshine duration is 7.7h.

The average daily maximum UV index in October is 8. A UV Index estimate of 8 to 10 represents a very high hazard to health from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A S October N D

Sep

October

Nov

Average high temperature

18°C

20.5°C

23.7°C

Average low temperature

Average humidity

Average rainfall

Average rainfall days

Average sea temperature

Average daylight

Average sunshine

Average UV index

Average temperature in October
Montevideo, Uruguay

Average high temperature in October: 20.5°C

The warmest month (with the highest average high temperature) is January (28.4°C).
The month with the lowest average high temperature is July (15°C).

Average low temperature in October: 11.5°C

The month with the highest average low temperature is January (18°C).
The coldest month (with the lowest average low temperature) is July (7.2°C).

Average humidity in October
Montevideo, Uruguay

Average humidity in October: 71%

The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is December (67%).

Average rainfall in October
Montevideo, Uruguay

Average rainfall in October: 108.5mm

The wettest month (with the highest rainfall) is October (108.5mm).
The driest month (with the least rainfall) is June (83.1mm).

Average rainfall days in October
Montevideo, Uruguay

Average rainfall days in October: 7 days

The months with the highest number of rainy days are February, June, July, October and November (7 days).
The months with the least rainy days are January, March, April, May, August, September and December (6 days).

Average sea temperature in October
Montevideo, Uruguay

Average sea temperature in October: 17.2°C

The best month for swimming (with the highest average sea temperature) is January (24.2°C).
The coldest month (with the lowest average sea temperature) is July (11.3°C).

Average daylight in October /
Average sunshine in October
Montevideo, Uruguay

Average daylight in October: 13h and 0min

The month with the longest days is December (Average daylight: 14h and 30min).
The month with the shortest days is June (Average daylight: 9h and 48min).

Average sunshine in October: 7h and 42min

The month with the most sunshine is January (Average sunshine: 9h and 30min).
The month with the least sunshine is June (Average sunshine: 4h and 18min).