What October feels like in Rio de Janeiro
October sits between Rio de Janeiro's dry and wet seasons. Days are warm enough for short sleeves, and time outdoors is easy. Little changes after sunset — nights stay warm, only slightly below the daytime level. The air is muggy, so it feels hotter than the thermometer suggests.
Rain in Rio de Janeiro in October
Dry days are the exception, with rain on about every other day. A rainy day brings about 7 mm (0.3 in) on average — steady rain rather than a passing shower. That is lighter than the city's yearly norm of about 8.8 mm per rainy day.
Daylight and sunshine in October
On 15 October the sun rises at about 5:21 am and sets around 5:56 pm local time, giving 12 h 35 min of daylight. The days are stretching out — 39 min more daylight than mid-September. Measured sunshine covers about 73% of the daylight — there are plenty of bright spells.
How October compares to the rest of the year
In Rio de Janeiro's temperature order, October sits as the 6th coolest month. Afternoons run 0.5°C (0.9°F) warmer than in September, with 38 mm more rain. Temperatures barely move from one month to the next here. November averages a high of 27.4°C (81.3°F).
Who October suits
- Sightseeing: a good fit — daytime temperatures are fine for walking around.
- Parks & outdoor: less ideal — afternoons are too warm to linger outside.
- Beach: less ideal — too many rainy days.
- Hiking: a good fit — mild temperatures for trails.
Tips for visiting Rio de Janeiro in October
Rain Protection
Keep a small umbrella in your bag and wear shoes that cope with puddles.
Sunglasses
Bright days make sunglasses worth packing.
Quick questions
How warm is Rio de Janeiro in October?
Expect around 27.3°C (81.1°F) in the afternoon and 20.3°C (68.5°F) at night, which most visitors would call warm.
Does it rain a lot in Rio de Janeiro in October?
Quite a lot — 105 mm spread over about 15 days.
What should I wear in Rio de Janeiro in October?
Based on the averages: rain protection and sunglasses. Evenings feel similar to the day, so the same clothes work from morning to night.
Is October or November better for visiting Rio de Janeiro?
October, narrowly: it ranks #8 of 12 among Rio de Janeiro's months, against #10 for the other. November has more rainy days.