Your October weather guide
WarmWeather in Alicante in October
October is a good time to visit Alicante if you want warm days and a sea that is still suitable for swimming, rather than intense heat. Average highs of 23°C make light clothing a sensible daytime choice, while nights around 16°C call for a layer. The sea averages 22°C, so swimming remains realistic. The catch is rain: leave room to rearrange outdoor plans rather than expecting dry weather throughout your stay. It suits travellers who prefer warmth without needing peak-summer conditions.
Long-term climate averages for Alicante, not a forecast · 1991-2020
Alicante, month by month
Your snapshot
At a glance
The useful details for Alicante.
- Average daytime high
- 23.2°C
- 9 in 10 days stay below 26°C
- Average night-time low
- 16.4°C
- coldest 10% of nights: 13°C or lower
- Compared with London
- +8.6°C
- London averages 14.6°C in October
- Sea temperature
- 22.0°C
- year to year: 21°C to 23°C
- Sunshine per day (est.)
- 5.9h
- 54% of 11.0 h of daylight
- Rainy days (1 mm+)
- 7
- 44 mm over the month
- Humidity
- 72%
- Days over 25°C
- 28%
- 0% over 30°C
- Record high 1991-2020
- 31.2°C
- 2006-10-03
- Record low 1991-2020
- 7.8°C
- 1993-10-24
- Flight from London
- ≈ 2 h 30 min
- 1424 km, short-haul (estimate for a direct flight)
Records are observed extremes within 1991-2020, not typical holiday conditions. Warm-day percentages are shares of days, not day counts.
How October compares
October is the 5th warmest month of the year in Alicante and ranks 75th of 134 destinations we compare for October - see where else is hot in October. Within Spain it is 32nd of 87 (Spain in October). Against London's average high of 14.6°C in October, Alicante is 8.6°C warmer by day and 8.0°C warmer at night.
Daytime and night-time in October
The typical October day in Alicante peaks at 23.2°C, but that is an average: the warmest 10% of days reach 26.3°C or more. Roughly 1 in 4 days top 25°C and 1 in 333 pass 30°C. Nights average 16.4°C; one night in ten drops to 13.2°C or lower, so pack a layer for evenings. Between 1991 and 2020 the hottest October day here reached 31.2°C (2006-10-03) and the coldest night 7.8°C (1993-10-24).
Rain in October
Some rain (4-8 rainy days): about 7 days with 1 mm or more, 44 mm in total. Year to year it varies a lot - the wettest October was 2007 with 145 mm, the driest 2006 with 6 mm. Humidity averages 72%.
Sea temperature in October
The sea averages 22.0°C - warm enough to swim (22°c+). Depending on the year it ranges from 20.6°C to 23.4°C. For the warmest sea here, come in August (26.5°C).
Sunshine and daylight
Around 5.9 hours of sunshine a day (estimated from cloud cover), 11.0 hours of daylight: the sun rises about 08:11 and sets about 19:25 local time in mid-October. Average cloud cover is 47%.
Is October a good time to visit Alicante?
It is a reasonable choice: warm days. The best months for Alicante on our scoring are July, June, August; months averaging 25°C or more: Jun, Jul, Aug, Sep.
Warm days, with a layer for evenings
Alicante in October is warm rather than reliably hot. Days reach 25°C about 28% of the time, so you may get weather that feels distinctly summery, but that should not be the assumption for your whole trip. Light tops and comfortable trousers or shorts are sensible daytime options; keep a warmer layer for sitting outside after dark. The coldest nights can fall to 13°C or below, making a jumper more useful than an entirely summer-only wardrobe. If you dislike strong heat, this is a reasonable compromise: plan around comfortable daytime warmth, while allowing for occasional warmer afternoons and noticeably cooler evenings.
Allow for rain without writing off outdoor plans
There are about 7 rainy days in October, so rain is a practical consideration rather than a reason to rule Alicante out. Bring a light waterproof and keep your outdoor plans flexible, especially if your stay is short. A rainy day does not necessarily mean continuous rain, but the monthly average cannot tell you which part of your holiday will be wet. Sunshine averages about 5.9 hours within 11 hours of daylight, leaving useful time outdoors without implying clear skies all day. This month suits someone happy to adapt to the forecast more than someone whose holiday depends on uninterrupted sunshine.
Swimming is still a reasonable plan
The sea averages 22°C, which makes October a reasonable choice if swimming matters to your holiday. Its year-to-year range is 21°C to 23°C, so the water may feel fresher or warmer depending on the year and your own tolerance. Think of it as suitable for a swim rather than guaranteed bath-like warmth. Choose a warmer, sunnier part of the day if comfort is your priority, and have something dry to put on afterwards. For travellers who want a mix of swimming and time out of the water, the balance is useful: warm days, swimmable sea and no need to seek intense heat.
A little perspective
Alicante through the year
October is highlighted. See how it compares with the rest of the year.
| Month | Day | Night | Sea | Sun/day | Rain mm | Rainy days | Days 25°C+ |
|---|---|---|---|---|---|---|---|
| January | 15.2°C | 8.0°C | 14.6°C | 5.4 | 34 | 5 | 0% |
| February | 15.8°C | 8.3°C | 13.9°C | 6.0 | 29 | 5 | 0% |
| March | 17.9°C | 10.2°C | 14.4°C | 6.5 | 39 | 6 | 1% |
| April | 19.9°C | 12.2°C | 15.8°C | 7.1 | 45 | 7 | 2% |
| May | 22.8°C | 15.3°C | 18.5°C | 8.1 | 35 | 6 | 21% |
| Junebest | 26.7°C | 19.2°C | 22.2°C | 10.5 | 16 | 3 | 77% |
| Julybest | 29.3°C | 21.9°C | 25.3°C | 11.9 | 5 | 2 | 99% |
| Augustbest | 29.7°C | 22.6°C | 26.5°C | 10.0 | 14 | 3 | 99% |
| September | 26.8°C | 20.1°C | 24.9°C | 7.1 | 47 | 7 | 78% |
| OctoberSelected | 23.2°C | 16.4°C | 22.0°C | 5.9 | 44 | 7 | 28% |
| November | 18.7°C | 12.0°C | 18.8°C | 5.3 | 42 | 6 | 2% |
| December | 15.9°C | 9.1°C | 16.2°C | 5.0 | 32 | 5 | 0% |
Day = average daytime high, night = average night-time low, 1991-2020.Sun is hours per day; rainy days count 1 mm or more.
Day, night and sea
Monthly average temperatures, 1991-2020
- Day
- Night
- Sea
Best months here
On warmth, low rainfall and sunshine, start with these.
Keep exploring
Similar in October
Closest matches on daytime temperature, sea temperature and sunshine, in other countries.
A little more detail
Alicante in October FAQs
Plain answers, grounded in the averages.
Is Alicante hot in October?
Alicante is warm in October: the average daytime high is 23.2°C and nights average 16.4°C. Roughly 1 in 4 October days reach 25°C.
Can you swim in the sea in Alicante in October?
The sea around Alicante averages 22.0°C in October, which is warm enough for most people to swim comfortably. Between 1991 and 2020 it ranged from 21°C to 23°C depending on the year.
How much does it rain in Alicante in October?
Alicante sees about 7 rainy days (1 mm or more) and 44 mm of rain in a typical October. The wettest October between 1991 and 2020 was 2007 (145 mm) and the driest was 2006 (6 mm).
How sunny is Alicante in October?
Alicante gets around 5.9 hours of sunshine a day in October out of 11.0 hours of daylight (estimated from average cloud cover).
How does Alicante compare with the UK in October?
Alicante is on average 8.6°C warmer than London by day in October (23.2°C against 14.6°C).
What is the hottest October on record in Alicante?
Between 1991 and 2020 the hottest October day in Alicante reached 31.2°C on 2006-10-03, and the coldest night dropped to 7.8°C on 1993-10-24.
How much warmer is Alicante than London in October?
Alicante's average daytime high is 23.2°C, compared with London's 14.6°C - a difference of 8.6°C. That is a substantial step up in daytime warmth, though Alicante's cooler evenings still make a jumper or light jacket useful.
Is Alicante a sensible choice for a short October break?
Yes, if you want warmer days without a long flight: flying from London takes about 2 h 30 min. The main caveat is rain, which can affect a short stay disproportionately. Keep plans flexible rather than relying on daily swimming.
About these averages
ERA5-Land climate reanalysis via Open-Meteo (11 km grid) and NOAA Coral Reef Watch 5 km sea temperatures, 1991-2020
Averages computed from daily values at Alicante. Sea temperature from the nearest 5 km sea cell, 2.3 km from that point. Sunshine hours are estimated from average cloud cover.Records are the highest and lowest daily values in that 30-year period, not all-time records. These are climate averages, not a forecast for your trip. How we measure holiday weather
- Hot · 25°C+
- Warm · 20°C to below 25°C
- Mild · 15°C to below 20°C
- Cool · below 15°C