Florianópolis in October

In October, Florianópolis averages 23°C (74°F) during the day and 18°C (64°F) at night, with frequent rain — about 24 days of the month see precipitation (156 mm total).

Shoulder

Conditions are comfortable for sightseeing without being sweltering. Expect daily rain or showers, often in heavy bursts.

October offers comfortable temperatures in Florianópolis, with some rain to plan around.

23°C
Avg high
18°C
Avg low
24
Rain days
156 mm
Rainfall

How October compares to the rest of the year in Florianópolis

7th
warmest month of the 12
3rd
wettest month of the 12
10%
of yearly rainfall falls in October
12 h 43 min
daylight on the 15th

October is in the middle of the year for warmth in Florianópolis (7th of 12) and one of the wettest months (3rd of 12). Daytime temperature runs 1°C below the annual average (24°C). October runs 1°C warmer than September (22°C) and warms a further 2°C into November (25°C).

October sunrise & sunset in Florianópolis

🌅
Sunrise (15th)
5:38 AM
🌇
Sunset (15th)
6:21 PM
Day length
12 h 43 min

Times shown for Florianópolis local time (America/Sao_Paulo), calculated for the 15th of October. They shift by a few minutes day to day across the month.

Photography light in Florianópolis — October

Golden-hour and blue-hour windows for the 15th of October, in Florianópolis's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
4:38 AM – 5:18 AM
🌄 Golden hour (AM)
5:18 AM – 6:18 AM
🌇 Golden hour (PM)
5:41 PM – 6:41 PM
🌆 Blue hour (PM)
6:41 PM – 7:21 PM
Milky Way galactic core
Fair
Core only briefly above the horizon — a marginal month even from dark sites near Florianópolis.

📅 When to book — Florianópolis in October

Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on October's tier (Shoulder) and Florianópolis's popularity.

✈ Flights — lead time
6-10 weeks
Sweet spot for value. Major fare-sales (US: Black Friday, EU: post-Easter) hit hardest in shoulder months for shoulder travel.
🏨 Lodging — lead time
4-8 weeks
Lots of selection. Look for shoulder-season packages — many hotels add value (free breakfast, spa credit) to fill rooms.

Crowds & pricing — October in Florianópolis

Shoulder

Florianópolis is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.

Why this tier: comfortable tourism weather

Sun & mosquito risk — October in Florianópolis

☀️ UV Index (noon, 15th)
12.2
Extreme
Stay indoors during midday hours; SPF 50+ even briefly outside, UPF clothing, wide-brim hat, sunglasses essential.
🦟 Mosquito risk
●●●●●
Severe
Severe mosquito season with active disease transmission risk. DEET 30%+, picaridin 20%, long sleeves day and night, treated nets, and check CDC/WHO travel advisories before going.

UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.

Sea temperature in Florianópolis — October

21.5°C (71°F)
pleasant
warm enough for most swimmers without a wetsuit

Across the year Florianópolis's sea swings from 17.5°C (July) to 27.4°C (February) — October sits at 21.5°C.

Florianópolis in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 29°C / 84°F 23°C / 73°F 173 mm 26
February 28°C / 83°F 22°C / 72°F 182 mm 22
March 27°C / 81°F 22°C / 71°F 137 mm 27
April 25°C / 77°F 19°C / 67°F 79 mm 21
May 22°C / 72°F 17°C / 62°F 125 mm 19
June 21°C / 69°F 14°C / 58°F 116 mm 14
July 20°C / 69°F 14°C / 57°F 65 mm 13
August 21°C / 70°F 15°C / 58°F 88 mm 14
September 22°C / 72°F 17°C / 62°F 115 mm 19
October 23°C / 74°F 18°C / 64°F 156 mm 24
November 25°C / 76°F 19°C / 66°F 137 mm 23
December 27°C / 81°F 21°C / 70°F 159 mm 23

Other cities with similar October weather

🌍 See the full ranked list of climate twins for Florianópolis in October →

Frequently asked questions

How hot is Florianópolis in October?

In October, Florianópolis averages a high of 23°C (74°F) and a low of 18°C (64°F) — generally mild and pleasant.

Does it rain a lot in Florianópolis in October?

October is quite rainy in Florianópolis, with about 24 rainy days on average.

Is October a good time to visit Florianópolis?

October is mild and pleasant but on the rainy side. It suits travelers who are comfortable with mild and pleasant weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for Florianópolis in October?

Pack light layers for warm days and cooler evenings, plus a compact umbrella or rain jacket. See the full October packing list for Florianópolis for a complete, climate-based checklist.

Open Florianópolis on the interactive map

Check the live 10-day forecast and sunrise/sunset.