AI-generatedBlumenau at a glance
- Best time
- Apr – Sep, Nov
- Warmest month
- Feb · 28°
- Sunshine a year
- 2,000 h
- Rain a year
- 1,563 mm
- Climate
- Subtropical
- Time zone
- UTC−3
- Elevation
- 20 m
Climate in Blumenau
Blumenau has a subtropical climate with warm summers and mild winters. February is the warmest month with average highs of 28 °C, while July is the coolest at 20 °C. With around 2,000 hours of sunshine a year, Blumenau is moderately sunny; April is the sunniest month with 6.3 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Good
Best time to visit: April – September, November
Keep in mindFrequent rain
A typical day in October
- Morning, 08:00: about 20°
- Midday, 13:00: about 24°
- Afternoon, 16:00: about 23°
- Evening, 20:00: about 20°
- Night, 23:00: about 19°
05:4118:22
Pleasant evenings; a light layer can help.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 05:27–06:12 · evening 17:52–18:37
- Blue hour
- Morning 05:18–05:27 · evening 18:37–18:46
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
What is the weather like in Blumenau in October?
In October, Blumenau is warm: daytime highs average 24 °C, and nights cool down to about 17 °C. Expect around 4 hours of sunshine a day. It rains often – on about 15 days, adding up to 144 mm. All in all, October is a good month for a holiday in Blumenau.
More details for October
- Daylight
- 12 h 41 min05:41 – 18:22
- UV index
- 10 · very highclear sky, noon (estimate)All months
- Muggy days
- 12 daysdew point 18 °C or moreAll months
- Wind
- 18 km/haverage daily peakAll months
- Cloud cover
- 79 %on averageAll months
- Hot days
- 1 day30 °C or moreAll months
- Time zone
- UTC−3America/Sao_Paulo
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %23 %
- Few rainy daysweight 30 %19 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Sunscreen
- Sunglasses & sun hat
- Rain jacket or umbrella
Sunshine hours in Blumenau
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 4.4 of 12.7 hours of daylight in Blumenau, 35 % of the day.
Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.
UV index in Blumenau
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 10 · very highStay in the shade around midday; SPF 50, clothing, hat and sunglasses.
The sun is strongest in December (UV 12).
Minutes until sunburn in October
- Very fair skin
- about 15 min
- Fair skin
- about 15 min
- Light brown skin
- about 20 min
- Olive skin
- about 30 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen it, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Rain in Blumenau: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Blumenau has about 15 rainy days with 144 mm of rain in total.
Wind and clouds in Blumenau
How breezy and how cloudy Blumenau is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Blumenau typically peaks at 18 km/h during the day: Beaufort 3, light breeze.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 79 % of the sky over Blumenau: mostly cloudy, with about 4.4 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Heat and humidity in Blumenau
How often the day gets hot in Blumenau (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, Blumenau has about 1 hot days, with an average daytime high of 24 °C: some hot or muggy days. Single hot or muggy days are possible; a hat and water bottle are enough.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Blumenau
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Cool 8–15°
- Pleasant 15–20°
- Warm 20–24°
- muggy month (10+ muggy days)
PleasantOctober: nights around 17°. Ideal for sleeping, often with the window open. Muggy on about 12 days (dew point 18 °C or more).
The coolest nights are in July (13°), the warmest in February (22°). Tropical nights of 20 °C and more are the rule from December to March; then air conditioning or a fan helps you sleep. Nights are pleasant for sleeping (15 to 20 °C) from April to May and from September to November. It is muggy (dew point 18 °C or more) on about 166 days a year, mostly from October to April.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|
| JanuaryJan | 53 | 28° | 22° | 6.2 h | 22 | 201 |
| FebruaryFeb | 52 | 28° | 22° | 6.1 h | 19 | 171 |
| MarchMar | 58 | 27° | 21° | 6.1 h | 20 | 138 |
| AprilApr | 72 | 25° | 19° | 6.3 h | 13 | 106 |
| MayMay | 72 | 22° | 15° | 5.3 h | 12 | 107 |
| JuneJun | 73 | 21° | 13° | 4.6 h | 10 | 106 |
| JulyJul | 76 | 20° | 13° | 5.2 h | 9 | 85 |
| AugustAug | 76 | 21° | 14° | 5.3 h | 9 | 93 |
| SeptemberSep | 66 | 22° | 15° | 4.2 h | 13 | 135 |
| OctoberOct | 60 | 24° | 17° | 4.4 h | 15 | 144 |
| NovemberNov | 65 | 25° | 19° | 6.1 h | 16 | 134 |
| DecemberDec | 60 | 27° | 21° | 6.0 h | 18 | 144 |
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
26.92° S, 49.07° W · 20 m · America/Sao_Paulo
Best time to visit Blumenau
The best time to visit Blumenau is from April to September and in November. For sightseeing, day trips and hiking, conditions are most comfortable from May to August. Rain is most frequent from September to April; the wettest month is January with 201 mm.
Blumenau through the seasons
How the weather changes over the seasons, with averages for each.
Blumenau in spring
Sep – Nov
Good
- 22–25 °C by day
- 5 h of sun a day
- 44 rainy days in all
Blumenau in summer
Dec – Feb
Fair
- 27–28 °C by day
- 6 h of sun a day
- 58 rainy days in all
Blumenau in autumn
Mar – May
Good
- 22–27 °C by day
- 6 h of sun a day
- 44 rainy days in all
Blumenau in winter
Jun – Aug
Good
- 20–21 °C by day
- 5 h of sun a day
- 29 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Blumenau for you.
Your best months: April – May, August
Based on the climate averages; tap a month to see its details.
Compare two months in Blumenau
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
July has the better holiday weather in Blumenau: score 76 against 60. In July, days are 4 °C cooler than in October. July has 6 fewer rainy days. The sun shines an hour longer a day in July.
| Month | October | July |
|---|---|---|
| Weather score | 60 | 76better |
| Day high | 24° | 20° |
| Night low | 17° | 13° |
| Sunshine | 4.4 h | 5.2 hbetter |
| Rainy days | 15 | 9better |
| Rainfall | 144 mm | 85 mmbetter |
| Muggy days | 12 | 0better |
Based on the climate averages 1996–2025.
Which month for what?
Beach & swimming
No sea nearby
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
May – Aug
15–28 °C and not too much rain
Rainy months
Sep – Apr
12 or more rainy days
Blumenau month by month
The typical weather for every month at a glance.
53January28° · 6 h
In January, Blumenau is hot: daytime highs average 28 °C, and even at night it stays warm at around 22 °C. Expect around 6 hours of sunshine a day. It rains often – on about 22 days, adding up to 201 mm. On about 9 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, January is a so-so month for a holiday in Blumenau.
Blumenau in January52February28° · 6 h
In February, Blumenau is hot: daytime highs average 28 °C, and even at night it stays warm at around 22 °C. Expect around 6 hours of sunshine a day. It rains often – on about 19 days, adding up to 171 mm. On about 8 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, February is a so-so month for a holiday in Blumenau.
Blumenau in February58March27° · 6 h
In March, Blumenau is hot: daytime highs average 27 °C, and even at night it stays warm at around 21 °C. Expect around 6 hours of sunshine a day. It rains often – on about 20 days, adding up to 138 mm. On about 5 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, March is a so-so month for a holiday in Blumenau.
Blumenau in March72April25° · 6 h
In April, Blumenau is warm: daytime highs average 25 °C, and nights cool down to about 19 °C. Expect around 6 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 106 mm in total. The air is often humid and muggy. All in all, April is a good month for a holiday in Blumenau.
Blumenau in April72May22° · 5 h
In May, Blumenau is warm: daytime highs average 22 °C, and nights cool down to about 15 °C. Expect around 5 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 107 mm in total. All in all, May is a good month for a holiday in Blumenau.
Blumenau in May73June21° · 5 h
In June, Blumenau is mild: daytime highs average 21 °C, and nights cool down to about 13 °C. Expect around 5 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 106 mm in total. All in all, June is a good month for a holiday in Blumenau.
Blumenau in June76July20° · 5 h
In July, Blumenau is mild: daytime highs average 20 °C, and nights cool down to about 13 °C. Expect around 5 hours of sunshine a day. Rain is frequent, with about 9 rainy days and 85 mm in total. All in all, July is a good month for a holiday in Blumenau.
Blumenau in July76August21° · 5 h
In August, Blumenau is warm: daytime highs average 21 °C, and nights cool down to about 14 °C. Expect around 5 hours of sunshine a day. Rain is frequent, with about 9 rainy days and 93 mm in total. All in all, August is a good month for a holiday in Blumenau.
Blumenau in August66September22° · 4 h
In September, Blumenau is warm: daytime highs average 22 °C, and nights cool down to about 15 °C. Expect around 4 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 135 mm in total. All in all, September is a good month for a holiday in Blumenau.
Blumenau in September60October24° · 4 h
In October, Blumenau is warm: daytime highs average 24 °C, and nights cool down to about 17 °C. Expect around 4 hours of sunshine a day. It rains often – on about 15 days, adding up to 144 mm. All in all, October is a good month for a holiday in Blumenau.
Blumenau in October65November25° · 6 h
In November, Blumenau is warm: daytime highs average 25 °C, and nights cool down to about 19 °C. Expect around 6 hours of sunshine a day. It rains often – on about 16 days, adding up to 134 mm. The air is often humid and muggy. All in all, November is a good month for a holiday in Blumenau.
Blumenau in November60December27° · 6 h
In December, Blumenau is hot: daytime highs average 27 °C, and even at night it stays warm at around 21 °C. Expect around 6 hours of sunshine a day. It rains often – on about 18 days, adding up to 144 mm. On about 6 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, December is a good month for a holiday in Blumenau.
Blumenau in DecemberBlumenau compared
Put Blumenau side by side with another destination.
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Blumenau vs. Balneário Camboriú
In October the holiday weather in Blumenau and Balneário Camboriú is about equally good (score 60 vs. 60). During the day Balneário Camboriú is 2 °C cooler than Blumenau.
| in October | Blumenau | Balneário Camboriú |
|---|---|---|
| Holiday score | 60 | 60 |
| Daytime high | 24° | 22° |
| Sea | – | 21° |
| Sunshine | 4 h | 4 h |
| Rainy days | 15 | 15 |
| Best time | Apr – Sep, Nov | Nov – Apr |
Through the year
Brazil in October: the best places
In October, Blumenau ranks 12 of 19 destinations in this country.
- Natal29°27°90
- 2Fortaleza30°27°79
- 3Salvador27°26°78
- 4Belo Horizonte27°75
- 5João Pessoa29°27°75
- 6Porto Alegre24°20°71
- 7Ipanema District28°22°71
- 8Rio de Janeiro28°22°71
- 12BlumenauThis page24°60
Planning a trip to Blumenau
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Blumenau in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Blumenau has its best school-holiday weather during the summer holidays (score 76) and its weakest during the Christmas holidays (score 57).
- 68
Easter holidays
Mar – Apr
Good
- 26 °C by day
- 6.2 h of sun a day
- 15 rainy days a month
Keep in mind: Frequent rain
- 72
May half-term
May – Jun
Good
- 22 °C by day
- 5.2 h of sun a day
- 11 rainy days a month
Good for: Sightseeing & walks
- 76
Summer holidays
Jul – Aug
GoodBest holidays
- 21 °C by day
- 5.3 h of sun a day
- 9 rainy days a month
Good for: Sightseeing & walks
- 60
October half-term
Oct
Good
- 24 °C by day
- 4.4 h of sun a day
- 15 rainy days a month
Keep in mind: Frequent rain
- 57
Christmas holidays
Dec – Jan
Fair
- 28 °C by day
- 6.1 h of sun a day
- 20 rainy days a month
Keep in mind: Frequent rain
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 12 h 25 min
- Distance
- 9,920 km
- Time zone
- UTC−3
- Jet lag
- About 3 days (4 h west)
Rule of thumb for flying west: for a few days before, stay up a little later, and get afternoon and evening light at your destination.
Most routes need a change of planes, which adds time.
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Frequently asked questions about Blumenau
When is the best time to visit Blumenau?
The best time to visit Blumenau is from April to September and in November. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
What is the warmest month in Blumenau?
February is the warmest month, with average highs of 28 °C and nights around 22 °C. July is the coolest month at 20 °C.
When does it rain most in Blumenau?
Rain is most frequent from September to April; the wettest month is January with 201 mm. The driest month is July with 85 mm.
How many hours of sunshine does Blumenau get?
Blumenau gets around 2,000 hours of sunshine a year. The sunniest month is April with 6.3 hours a day; in September there are 4.2 hours a day.
What time zone is Blumenau in?
Blumenau uses the time zone America/Sao_Paulo, at UTC−3 all year.
How long is the flight from London to Blumenau?
A nonstop flight from London to Blumenau takes about 12 h 25 min, for a straight-line distance of about 9,920 km. Most routes need a change of planes, which adds time.
Which school holidays are best for Blumenau?
Blumenau has its best school-holiday weather during the summer holidays (score 76) and its weakest during the Christmas holidays (score 57). Holiday ratings (0–100): Easter holidays 68, May half-term 72, Summer holidays 76, October half-term 60, Christmas holidays 57.
Near Blumenau
Other destinations close by.
Places with a climate like Blumenau
Destinations whose weather through the year is closest to Blumenau's – good alternatives.