AI-generatedFurnas at a glance
- Best time
- Jul – Aug
- Warmest month
- Aug · 26°
- Warmest sea
- Aug · 23.4°
- Sunshine a year
- 2,260 h
- Rain a year
- 817 mm
- Climate
- Mediterranean
- Time zone
- UTC−1 / UTC+0
- Elevation
- 241 m
Climate in Furnas
Furnas has a Mediterranean climate with warm to hot, dry summers and mild, wetter winters. August is the warmest month with average highs of 26 °C, while February is the coolest at 16 °C. With around 2,260 hours of sunshine a year, Furnas is sunny; July is the sunniest month with 9.0 hours a day.
Holiday weather through the year
Best time to visit Furnas
The best time to visit Furnas is from July to August. For a beach holiday – sea from 21 °C, warm and mostly dry – go from July to August. For sightseeing, day trips and hiking, conditions are most comfortable in February, from June to August and in November. Rain is frequent from March to May, from September to October and from December to January; the wettest month is December with 118 mm.
Furnas through the seasons
How the weather changes over the seasons, with averages for each.
Furnas in spring
Mar – May
Poor
- 17–20 °C by day
- Sea 17 °C
- 6.5 h of sun a day
- 39 rainy days in all
Furnas in summer
Jun – Aug
Good
- 22–26 °C by day
- Sea 22 °C
- 8.7 h of sun a day
- 27 rainy days in all
Furnas in autumn
Sep – Nov
Fair
- 19–24 °C by day
- Sea 21 °C
- 5.5 h of sun a day
- 36 rainy days in all
Furnas in winter
Dec – Feb
Poor
- 16–17 °C by day
- Sea 17 °C
- 4.1 h of sun a day
- 37 rainy days in all
Which month for what?
Beach & swimming
Jul – Aug
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Feb, Jun – Aug, Nov
15–28 °C and not too much rain
Rainy months
Mar – May, Sep – Oct, Dec – Jan
Rainy season or more than 12 rainy days
Find your perfect month
Tell us what you like and we rate every month in Furnas for you.
Your best months: August
Based on the climate averages; tap a month to see its details.
Weather in October
Weather in October
Holiday weather in October
Fair
Best time to visit: July – August
Where to go in OctoberSea temperature in October
Keep in mindFrequent rain
A typical day in October
- Morning, 08:00: about 16°
- Midday, 13:00: about 21°
- Afternoon, 16:00: about 21°
- Evening, 20:00: about 19°
- Night, 23:00: about 18°
07:4819:05
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 07:32–08:24 · evening 18:30–19:22
- Blue hour
- Morning 07:22–07:32 · evening 19:22–19:32
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.
October in Furnas compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs fall from about 23° at the start of the month to 20° at the end. The sea cools from 22° to 20°. The days get 1.1 h shorter.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 23° | 20° |
| Night-time low | 17° | 15° |
| Sea | 22° | 20° |
| Daylight | 11.8 h | 10.7 h |
What is the weather like in Furnas in October?
In October, Furnas is warm: daytime highs average 21 °C, and nights cool down to about 16 °C. The sea averages 21.4 °C – refreshing for a swim. Expect around 5.2 hours of sunshine a day. Rain is frequent, with about 14 rainy days and 89 mm in total. All in all, October is a so-so month for a holiday in Furnas.
More details for October
- Daylight
- 11 h 17 min07:48 – 19:05
- UV index
- 5 · moderateclear sky, noon (estimate)All months
- Muggy days
- 4 daysdew point 18 °C or moreAll months
- Wind
- 23 km/haverage daily peakAll months
- Cloud cover
- 69 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC+0offset from UTC
How the score comes together
- Temperatureweight 35 %40 %
- Seaweight 25 %63 %
- Sunshineweight 20 %37 %
- Few rainy daysweight 20 %32 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in October
- Swimwear
- Sunscreen
- Rain jacket or umbrella
Compare two months in Furnas
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
August has the better holiday weather in Furnas: score 90 against 43. In August, days are 5 °C warmer than in October. The sea is 2 °C warmer in August. August has 5 fewer rainy days. The sun shines 3 hours longer a day in August.
| Month | October | August |
|---|---|---|
| Holiday weather score | 43 | 90better |
| Daytime high | 21° | 26° |
| Night-time low | 16° | 19° |
| Sea | 21.4° | 23.4° |
| Sunshine | 5.2 h | 8.6 hbetter |
| Rainy days | 14 | 9better |
| Rainfall | 89 mm | 38 mmbetter |
| Muggy days | 4better | 10 |
Based on the climate averages 1996–2025.
Furnas month by month
The typical weather for every month at a glance.
11January16° · Sea 17° · 4.1 h
In January, Furnas is mild: daytime highs average 16 °C, and nights cool down to about 12 °C. The sea averages 16.8 °C – swimming is only for the hardy. Expect around 4.1 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 86 mm in total. All in all, January is not an ideal month for a holiday in Furnas.
Furnas in January16February16° · Sea 16° · 4.6 h
In February, Furnas is mild: daytime highs average 16 °C, and nights cool down to about 12 °C. The sea averages 16.3 °C – swimming is only for the hardy. Expect around 4.6 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 71 mm in total. All in all, February is not an ideal month for a holiday in Furnas.
Furnas in February15March17° · Sea 16° · 5.6 h
In March, Furnas is mild: daytime highs average 17 °C, and nights cool down to about 12 °C. The sea averages 16.2 °C – swimming is only for the hardy. Expect around 5.6 hours of sunshine a day. Rain is frequent, with about 14 rainy days and 84 mm in total. All in all, March is not an ideal month for a holiday in Furnas.
Furnas in March18April18° · Sea 17° · 6.4 h
In April, Furnas is mild: daytime highs average 18 °C, and nights cool down to about 13 °C. The sea averages 16.5 °C – swimming is only for the hardy. Expect around 6.4 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 78 mm in total. All in all, April is not an ideal month for a holiday in Furnas.
Furnas in April30May20° · Sea 18° · 7.5 h
In May, Furnas is mild: daytime highs average 20 °C, and nights cool down to about 14 °C. The sea averages 17.7 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 7.5 hours a day. Rain is frequent, with about 12 rainy days and 64 mm in total. All in all, May is not an ideal month for a holiday in Furnas.
Furnas in May57June22° · Sea 20° · 8.4 h
In June, Furnas is warm: daytime highs average 22 °C, and nights cool down to about 16 °C. The sea averages 19.6 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 8.4 hours a day. Rain is frequent, with about 10 rainy days and 42 mm in total. All in all, June is a so-so month for a holiday in Furnas.
Furnas in June84July25° · Sea 22° · 9.0 h
In July, Furnas is warm: daytime highs average 25 °C, and nights cool down to about 18 °C. The sea averages 21.8 °C – refreshing for a swim. With around 9.0 hours of sunshine a day, there is plenty of sun. Rain falls on about 9 days, adding up to 25 mm. All in all, July is an excellent month for a holiday in Furnas.
Furnas in July90August26° · Sea 23° · 8.6 h
In August, Furnas is warm: daytime highs average 26 °C, and nights cool down to about 19 °C. The sea averages 23.4 °C – pleasant for swimming. The sun shines for around 8.6 hours a day. Rain falls on about 9 days, adding up to 38 mm. All in all, August is an excellent month for a holiday in Furnas.
Furnas in August73September24° · Sea 23° · 7.1 h
In September, Furnas is warm: daytime highs average 24 °C, and nights cool down to about 18 °C. The sea averages 23.0 °C – pleasant for swimming. The sun shines for around 7.1 hours a day. Rain is frequent, with about 12 rainy days and 54 mm in total. All in all, September is a good month for a holiday in Furnas.
Furnas in September43October21° · Sea 21° · 5.2 h
In October, Furnas is warm: daytime highs average 21 °C, and nights cool down to about 16 °C. The sea averages 21.4 °C – refreshing for a swim. Expect around 5.2 hours of sunshine a day. Rain is frequent, with about 14 rainy days and 89 mm in total. All in all, October is a so-so month for a holiday in Furnas.
Furnas in October23November19° · Sea 19° · 4.1 h
In November, Furnas is mild: daytime highs average 19 °C, and nights cool down to about 14 °C. The sea averages 19.4 °C – bracing, so a wetsuit helps for longer swims. Expect around 4.1 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 69 mm in total. All in all, November is not an ideal month for a holiday in Furnas.
Furnas in November11December17° · Sea 18° · 3.6 h
In December, Furnas is mild: daytime highs average 17 °C, and nights cool down to about 13 °C. The sea averages 17.9 °C – bracing, so a wetsuit helps for longer swims. The sun is scarce, with only about 3.6 hours a day. It rains often – on about 14 days, adding up to 118 mm. All in all, December is not an ideal month for a holiday in Furnas.
Furnas in DecemberClimate in detail
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Furnas
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°
PleasantOctober: nights around 16°. Ideal for sleeping, often with the window open. Muggy on about 4 days (dew point 18 °C or more).
The coolest nights are in February (12°), the warmest in August (19°). Nights are pleasant for sleeping (15 to 20 °C) from June to October.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 11 | 16° | 12° | 16.8° | 4.1 h | 13 | 86 |
| FebruaryFeb | 16 | 16° | 12° | 16.3° | 4.6 h | 10 | 71 |
| MarchMar | 15 | 17° | 12° | 16.2° | 5.6 h | 14 | 84 |
| AprilApr | 18 | 18° | 13° | 16.5° | 6.4 h | 13 | 78 |
| MayMay | 30 | 20° | 14° | 17.7° | 7.5 h | 12 | 64 |
| JuneJun | 57 | 22° | 16° | 19.6° | 8.4 h | 10 | 42 |
| JulyJul | 84 | 25° | 18° | 21.8° | 9.0 h | 9 | 25 |
| AugustAug | 90 | 26° | 19° | 23.4° | 8.6 h | 9 | 38 |
| SeptemberSep | 73 | 24° | 18° | 23.0° | 7.1 h | 12 | 54 |
| OctoberOct | 43 | 21° | 16° | 21.4° | 5.2 h | 14 | 89 |
| NovemberNov | 23 | 19° | 14° | 19.4° | 4.1 h | 10 | 69 |
| DecemberDec | 11 | 17° | 13° | 17.9° | 3.6 h | 14 | 118 |
Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), 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
37.78° N, 25.31° W · 241 m · Atlantic/Azores
Sea temperature in Furnas
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 20.6 – 22.5 °C
Swimming season: Jul – Oct
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Furnas ranges from 16.2 °C in March to 23.4 °C in August. It is warm enough for a comfortable swim (20 °C and more) from July to October.
From November to February the sea is even warmer than the afternoon air. The sea temperature varies from year to year: in August, eight out of ten years were between 22.5 and 24.1 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 16.8° | 15.8° | 18.0° | cold |
| FebruaryFeb | 16.3° | 15.6° | 17.3° | cold |
| MarchMar | 16.2° | 15.5° | 17.0° | cold |
| AprilApr | 16.5° | 15.9° | 17.2° | cold |
| MayMay | 17.7° | 17.1° | 18.2° | fresh |
| JuneJun | 19.6° | 18.8° | 20.5° | fresh |
| JulyJul | 21.8° | 21.1° | 22.4° | refreshing |
| AugustAug | 23.4° | 22.5° | 24.1° | pleasant |
| SeptemberSep | 23.0° | 22.4° | 23.7° | pleasant |
| OctoberOct | 21.4° | 20.6° | 22.5° | refreshing |
| NovemberNov | 19.4° | 18.6° | 20.5° | fresh |
| DecemberDec | 17.9° | 17.0° | 19.0° | fresh |
Sunshine hours in Furnas
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 5.2 of 11.3 hours of daylight in Furnas, 46 % of the daylight hours.
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.
Rain in Furnas: 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, Furnas has about 14 rainy days with 89 mm of rain in total.
UV index in Furnas
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 5 · moderateAround midday seek shade; use sunscreen, a hat and sunglasses.
The sun is strongest in June (UV 10).
Minutes until sunburn in October
- Very fair skin
- about 30 min
- Fair skin
- about 35 min
- Light brown skin
- about 50 min
- Olive skin
- about 65 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen the time, 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.
Wind and clouds in Furnas
How breezy and how cloudy Furnas 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 Furnas typically peaks at 23 km/h during the day: Beaufort 4, moderate breeze.
Breezy months for windsurfing and kiting
From Beaufort 4 (20 km/h) the daily breeze is usually enough for windsurfing and often for kiting: Oct – May.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 69 % of the sky over Furnas: mostly cloudy, with about 5.2 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 Furnas
How often the day gets hot in Furnas (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, Furnas has about 0 hot days, with an average daytime high of 21 °C: pleasant. Heat plays no part this month.
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
Planning a trip to Furnas
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Furnas 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.
Furnas has its best school-holiday weather during the summer holidays (score 88) and its weakest during the Christmas holidays (score 11).
- 17
Easter holidays
Mar – Apr
Poor
- 17 °C by day
- Sea 16 °C
- 6.2 h of sun a day
- 13 rainy days a month
Keep in mind: Frequent rain
- 35
May half-term
May – Jun
Poor
- 20 °C by day
- Sea 18 °C
- 7.7 h of sun a day
- 12 rainy days a month
Keep in mind: Frequent rain
- 88
Summer holidays
Jul – Aug
ExcellentBest holidays
- 25 °C by day
- Sea 23 °C
- 8.7 h of sun a day
- 9 rainy days a month
Good for: Beach & swimming, Sightseeing & walks
- 43
October half-term
Oct
Fair
- 21 °C by day
- Sea 21 °C
- 5.2 h of sun a day
- 14 rainy days a month
Keep in mind: Frequent rain
- 11
Christmas holidays
Dec – Jan
Poor
- 17 °C by day
- Sea 17 °C
- 3.9 h of sun a day
- 13 rainy days a month
Keep in mind: Frequent rain
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 3 h 30 min
- Distance
- 2,470 km
- Time zone
- UTC+0
- Jet lag
- Hardly any (under 3 h)
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Compare & alternatives
Furnas compared
Put Furnas side by side with another destination.
Furnas vs Vila Franca do Campo
In October Vila Franca do Campo has the better holiday weather (score 49 vs 43). During the day Vila Franca do Campo is 1 °C warmer than Furnas. The sea in Vila Franca do Campo is 1 °C warmer.
| in October | Furnas | Vila Franca do Campo |
|---|---|---|
| Holiday weather score | 43 | 49 |
| Daytime high | 21° | 22° |
| Sea | 21° | 22° |
| Sunshine | 5 h | 5 h |
| Rainy days | 14 | 14 |
| Best time | Jul – Aug | Jul – Sep |
Through the year
Portugal in October: the best places
In October, Furnas ranks 27 among the 31 nearest destinations in this country.
- Sintra21°82
- 2Amadora22°19°82
- 3Lisbon22°19°82
- 4Mafra21°80
- 5Torres Vedras22°80
- 6Santarém24°80
- 7Leiria22°78
- 8Funchal23°23°74
- 27FurnasThis page21°21°43
Near Furnas
Other destinations close by.
Places with a climate like Furnas
Destinations whose weather through the year is closest to Furnas's – good alternatives.
Frequently asked questions about Furnas
When is the best time to visit Furnas?
The best time to visit Furnas is from July to August. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Furnas?
The sea temperature in Furnas ranges from 16.2 °C in March to 23.4 °C in August. It is warm enough for a comfortable swim (20 °C and more) from July to October.
Can you swim in Furnas in October?
Yes. In October the sea averages 21.4 °C – refreshing for a swim.
What is the warmest month in Furnas?
August is the warmest month, with average highs of 26 °C and nights around 19 °C. February is the coolest month at 16 °C.
When does it rain most in Furnas?
Rain is frequent from March to May, from September to October and from December to January; the wettest month is December with 118 mm. The driest month is July with 25 mm.
How many hours of sunshine does Furnas get?
Furnas gets around 2,260 hours of sunshine a year. The sunniest month is July with 9.0 hours a day; in December there are 3.6 hours a day.
What time zone is Furnas in?
Furnas is on UTC−1 in January and UTC+0 in July.
How long is the flight from London to Furnas?
A nonstop flight from London to Furnas takes about 3 h 30 min, for a straight-line distance of about 2,470 km.
Which school holidays are best for Furnas?
Furnas has its best school-holiday weather during the summer holidays (score 88) and its weakest during the Christmas holidays (score 11). Holiday ratings (0–100): Easter holidays 17, May half-term 35, summer holidays 88, October half-term 43, Christmas holidays 11.