Lisbon in October
What to expect
Lisbon is in mid-autumn during October, a shoulder-season stretch where conditions can nudge warmer or cooler week to week. It generally feels mild and comfortable, with a fairly even feel across the day. Conditions tend to feel steady, which makes planning simple. You get a comfortable daylight window for day trips and sightseeing.
October in context
How it compares to the rest of the year in Lisbon.
Monthly climate breakdown
Temperature
- Daytime high
-
- Nighttime low
-
- Feels like (avg)
-
Sunshine
- Daylight hours
- 11.2 h
- UV index (max)
- 6
- Typical sun hours
- 06:46 - 17:57
Rain & Snow
- Total rain
-
- Rainy days
- 12 days
- Cloud cover (avg)
- 51%
Humidity & Wind
- Humidity (avg)
- 78%
- Wind (avg)
-
- Wind (max gusts)
-
Daily climate explorer
Day 15 selected for October. Typical high 20.8°C and low 15.9°C.
Typical disruptions in October
Based on 30 years of historical data, these are the disruption patterns most likely to affect plans in October.
Rain disruption Measures: Likely rain disruption days. Observed about 16% of days (4.8 days/month) in October. Historical risk signal only, not a day-by-day forecast.
4.8 days / month
~16% of days
Why this matters
- Expected days 4.8 days / month
- Probability ~16% of days
- Intensity Up to ~31mm (P95)
Rain disruption risk appears on ~5 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Washout risk Measures: Washout day risk. Observed about 15% of days (4.7 days/month) in October. Historical risk signal only, not a day-by-day forecast.
4.7 days / month
~15% of days
Why this matters
- Expected days 4.7 days / month
- Probability ~15% of days
- Intensity Up to ~32mm (P95)
Washout conditions are possible on ~5 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Strong gusts Measures: Strong gust days (>=60 km/h). Observed about 8% of days (2.5 days/month) in October. Historical risk signal only, not a day-by-day forecast.
2.5 days / month
~8% of days
Why this matters
- Expected days 2.5 days / month
- Probability ~8% of days
- Intensity Up to ~84km/h (P95)
Strong gusts are possible on ~2 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Stormy conditions Measures: Storm-impact proxy days. Observed about 6% of days (1.9 days/month) in October. Historical risk signal only, not a day-by-day forecast.
1.9 days / month
~6% of days
Why this matters
- Expected days 1.9 days / month
- Probability ~6% of days
- Intensity Up to ~83km/h (P95)
Stormy conditions are possible on ~2 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Fog-likely signal Measures: Fog-likely visibility proxy. Observed about 3% of days (1.1 days/month) in October. Historical risk signal only, not a day-by-day forecast.
1.1 days / month
~3% of days
Why this matters
- Expected days 1.1 days / month
- Probability ~3% of days
- Intensity Up to ~95% (P95)
Fog-likely conditions are possible on ~1 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Hot days Measures: Hot days (>=30C). Observed about 2% of days (0.5 days/month) in October. Historical risk signal only, not a day-by-day forecast.
0.5 days / month
~2% of days
Why this matters
- Expected days 0.5 days / month
- Probability ~2% of days
- Intensity Up to ~32°C (P95)
Hot days are possible on ~1 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.
Show all disruptions (20 more)
Heavy rain days Measures: Heavy rain days (>=10mm). Observed about 8% of days (2.6 days/month) in October. Historical risk signal only, not a day-by-day forecast.
2.6 days / month
~8% of days
Why this matters
- Expected days 2.6 days / month
- Probability ~8% of days
- Intensity Up to ~37mm (P95)
Heavy rain is possible on ~3 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Washout run Measures: Multi-day washout runs. Observed about 1.1 days/month in October. Historical risk signal only, not a day-by-day forecast.
1.1 days / month
Probability unavailable
Why this matters
- Expected days 1.1 days / month
- Probability —
- Intensity Up to ~28mm (P95)
Multi-day washout runs are possible on ~1 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Very heavy rain Measures: Very heavy rain days (>=25mm). Observed about 2% of days (0.5 days/month) in October. Historical risk signal only, not a day-by-day forecast.
0.5 days / month
~2% of days
Why this matters
- Expected days 0.5 days / month
- Probability ~2% of days
- Intensity Up to ~40mm (P95)
Very heavy rain is possible on ~1 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Severe gusts Measures: Severe gust days (>=80 km/h). Observed about 1% of days (0.3 days/month) in October. Historical risk signal only, not a day-by-day forecast.
0.3 days / month
~1% of days
Why this matters
- Expected days 0.3 days / month
- Probability ~1% of days
- Intensity Up to ~111km/h (P95)
Severe gusts are possible on ~0 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Wind disruption Measures: Disruptive wind days. Observed about 1% of days (0.2 days/month) in October. Historical risk signal only, not a day-by-day forecast.
0.2 days / month
~1% of days
Why this matters
- Expected days 0.2 days / month
- Probability ~1% of days
- Intensity Up to ~92km/h (P95)
Disruptive wind is possible on ~0 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Hot feels-like days Measures: Hot feels-like days (>=32C). Observed about 1% of days (0.3 days/month) in October. Historical risk signal only, not a day-by-day forecast.
0.3 days / month
~1% of days
Why this matters
- Expected days 0.3 days / month
- Probability ~1% of days
- Intensity Up to ~34°C (P95)
Feels-like heat >=32C is possible on ~0 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.
High humidity Measures: High humidity days (RH >=80%). Observed about 50% of days (15.6 days/month) in October. Historical risk signal only, not a day-by-day forecast.
15.6 days / month
~50% of days
Why this matters
- Expected days 15.6 days / month
- Probability ~50% of days
- Intensity Up to ~93% (P95)
High humidity is possible on ~16 days. Comfort and pace can drop quickly, so plan shorter outdoor blocks with air-conditioned backup stops.
Wet days Measures: Wet days (>=0.1mm). Observed about 45% of days (13.8 days/month) in October. Historical risk signal only, not a day-by-day forecast.
13.8 days / month
~45% of days
Why this matters
- Expected days 13.8 days / month
- Probability ~45% of days
- Intensity Up to ~22mm (P95)
Measurable rain is possible on ~14 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Cloudy days Measures: Cloudy days (cloud cover >=60%). Observed about 44% of days (13.6 days/month) in October. Historical risk signal only, not a day-by-day forecast.
13.6 days / month
~44% of days
Why this matters
- Expected days 13.6 days / month
- Probability ~44% of days
- Intensity Up to ~99% (P95)
Cloudy skies are possible on ~14 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Rainy hours Measures: Rain-hours signal (>=3h rain). Observed about 35% of days (11.0 days/month) in October. Historical risk signal only, not a day-by-day forecast.
11.0 days / month
~35% of days
Why this matters
- Expected days 11.0 days / month
- Probability ~35% of days
- Intensity Up to ~20h (P95)
Several rainy hours are possible on ~11 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Gusty days Measures: Gusty days (>=40 km/h). Observed about 35% of days (10.8 days/month) in October. Historical risk signal only, not a day-by-day forecast.
10.8 days / month
~35% of days
Why this matters
- Expected days 10.8 days / month
- Probability ~35% of days
- Intensity Up to ~78km/h (P95)
Gusty conditions are possible on ~11 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Wet most of day Measures: Wet-most-of-day signal (>=6h rain). Observed about 27% of days (8.4 days/month) in October. Historical risk signal only, not a day-by-day forecast.
8.4 days / month
~27% of days
Why this matters
- Expected days 8.4 days / month
- Probability ~27% of days
- Intensity Up to ~21h (P95)
Wet-most-of-day conditions are possible on ~8 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Mostly cloudy days Measures: Mostly cloudy days (cloud cover >=80%). Observed about 23% of days (7.0 days/month) in October. Historical risk signal only, not a day-by-day forecast.
7.0 days / month
~23% of days
Why this matters
- Expected days 7.0 days / month
- Probability ~23% of days
- Intensity Up to ~100% (P95)
Mostly cloudy skies are possible on ~7 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Overcast days Measures: Overcast days (cloud cover >=95%). Observed about 8% of days (2.4 days/month) in October. Historical risk signal only, not a day-by-day forecast.
2.4 days / month
~8% of days
Why this matters
- Expected days 2.4 days / month
- Probability ~8% of days
- Intensity Up to ~100% (P95)
Overcast skies are possible on ~2 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Breezy days Measures: Breezy days (mean wind >=25 km/h). Observed about 7% of days (2.3 days/month) in October. Historical risk signal only, not a day-by-day forecast.
2.3 days / month
~7% of days
Why this matters
- Expected days 2.3 days / month
- Probability ~7% of days
- Intensity Up to ~38km/h (P95)
Breezy conditions are possible on ~2 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Humid days Measures: Humid days (dew point >=18C). Observed about 6% of days (1.7 days/month) in October. Historical risk signal only, not a day-by-day forecast.
1.7 days / month
~6% of days
Why this matters
- Expected days 1.7 days / month
- Probability ~6% of days
- Intensity Up to ~19°C (P95)
Humid conditions are possible on ~2 days. Comfort and pace can drop quickly, so plan shorter outdoor blocks with air-conditioned backup stops.
Low visibility proxy: same as fog-likely (RH ≥90% AND cloud ≥95%) — true visibility requires hourly visibility data Measures: Low visibility proxy: same as fog-likely (RH ≥90% AND cloud ≥95%) — true visibility requires hourly visibility data. Observed about 3% of days (1.1 days/month) in October. Historical risk signal only, not a day-by-day forecast.
1.1 days / month
~3% of days
Why this matters
- Expected days 1.1 days / month
- Probability ~3% of days
- Intensity Up to ~95 (P95)
Low visibility proxy: same as fog-likely (RH ≥90% AND cloud ≥95%) — true visibility requires hourly visibility data is possible on ~1 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Convective risk Measures: Convective storm risk proxy. Observed about 2% of days (0.5 days/month) in October. Historical risk signal only, not a day-by-day forecast.
0.5 days / month
~2% of days
Why this matters
- Expected days 0.5 days / month
- Probability ~2% of days
- Intensity Up to ~20°C (P95)
Convective risk signal appears on ~1 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Windy days Measures: Windy days (mean wind >=35 km/h). Observed about 1% of days (0.2 days/month) in October. Historical risk signal only, not a day-by-day forecast.
0.2 days / month
~1% of days
Why this matters
- Expected days 0.2 days / month
- Probability ~1% of days
- Intensity Up to ~40km/h (P95)
Strong mean winds are possible on ~0 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Heatwave run Measures: Heatwave runs (>=3 hot days). Observed about 0.1 days/month in October. Historical risk signal only, not a day-by-day forecast.
0.1 days / month
Probability unavailable
Why this matters
- Expected days 0.1 days / month
- Probability —
- Intensity Up to ~32°C (P95)
Heatwave runs are possible on ~0 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.
Frequently asked questions
Is October a good time to visit Lisbon?
Typical October days in Lisbon reach highs of 22°C (72°F) with nights around 16°C (61°F). It usually feels mild by day and mild after dark. It is among the wetter months, so it is wise to have some indoor backup plans or flexible activities.
What are temperatures like in October?
In October, you can usually expect highs of 22°C (72°F) and lows near 16°C (61°F). That means mild days and mild nights, so pack layers you can add or remove.
How much does it rain in October?
Rainfall in October averages 79 mm (3.1 in) across roughly 12 days. Overall it is a quite rainy time of year, so a light rain jacket and waterproof shoes are very handy.
How many hours of daylight are there in October?
You can expect about 11 hours of daylight in October. Sunrise is typically around 06:46 and sunset near 17:57. Daylight is fairly typical, with enough time for sightseeing.
How strong is the sun in October?
UV levels are moderate (around 6); sunscreen and sunglasses are still a good idea.
Is it windy in October?
In October, average wind speeds are around 14 km/h (9 mph), with gusts on the windiest days reaching about 57 km/h (35 mph). On the ground, it is it can feel quite windy at times, particularly when weather systems move through.