Illano, Spain experiences average highs of 17°C (63°F) and lows of 9°C (48°F) throughout the year. Rainfall is frequent, averaging about 14 rainy days per month. Sunshine is abundant, averaging about 9 hours per day. Average highs have warmed by 1.1°C (2.0°F) across the available records.
Illano, Spain Weather & Climate 2026
Monthly climate averages for Illano, Spain. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Oct 
Wetter season: Mar–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
6.1/10
Best: July, August, September
UV Index
4
Low
Temperature 17°C / 9°C
Feels Like 17°C / 8°C
Rainy Days 14
Rainfall 113 mm
Sunshine 9 h
Humidity 83%
Wind Speed 14 km/h
Dew Point 10°C
Snow Days 4 days
Frost Days 3 days
Hottest Month
25°C
August
Avg Low16°C
Rain10days
Coldest Month
4°C
January
Avg High11°C
Rain14days
Driest Month
9days
July
Avg High24°C
Avg Low15°C
Windiest Month
16 km/h
March (Gusts 50)
Worst Time to Visit
Consider avoiding January, February, March, December due to frequent rain.
Sun Position
Sunrise 06:48
Daylight 15.4h
Sunset 22:11
Live conditions—
Illano on the map · live conditions
Illano, Spain
- Continent
- Europe
- Country
- Spain
- City
- Illano
- Population
- 565
- Coordinates
- 43.33°, -6.87°
Seasonal Breakdown
Spring
Mar–May
Avg High 16°C
Avg Low 7°C
Rain 15 days/mo
Summer
Jun–Aug
Avg High 23°C
Avg Low 15°C
Rain 11 days/mo
2/3 best months
Autumn
Sep–Nov
Avg High 18°C
Avg Low 10°C
Rain 14 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 12°C
Avg Low 5°C
Rain 14 days/mo
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 11°C / 4°C . Feb: 13°C / 5°C . Mar: 13°C / 5°C . Apr: 16°C / 7°C . May: 18°C / 10°C . Jun: 21°C / 13°C . Jul: 24°C / 15°C . Aug: 25°C / 16°C . Sep: 22°C / 13°C . Oct: 19°C / 11°C . Nov: 14°C / 7°C . Dec: 12°C / 5°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 155 mm. Feb: 123 mm. Mar: 125 mm. Apr: 111 mm. May: 119 mm. Jun: 122 mm. Jul: 36 mm. Aug: 53 mm. Sep: 85 mm. Oct: 124 mm. Nov: 157 mm. Dec: 145 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 85%. Feb: 83%. Mar: 82%. Apr: 81%. May: 82%. Jun: 84%. Jul: 82%. Aug: 80%. Sep: 81%. Oct: 81%. Nov: 85%. Dec: 85%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 15 km/h . Feb: 15 km/h . Mar: 16 km/h . Apr: 14 km/h . May: 13 km/h . Jun: 12 km/h . Jul: 12 km/h . Aug: 12 km/h . Sep: 12 km/h . Oct: 14 km/h . Nov: 15 km/h . Dec: 15 km/h .
Sunshine
Sunshine
Sunshine: Jan: 6h. Feb: 7h. Mar: 9h. Apr: 10h. May: 11h. Jun: 11h. Jul: 12h. Aug: 12h. Sep: 10h. Oct: 8h. Nov: 6h. Dec: 5h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 2. Feb: UV 3. Mar: UV 4. Apr: UV 6. May: UV 6. Jun: UV 7. Jul: UV 7. Aug: UV 7. Sep: UV 5. Oct: UV 3. Nov: UV 2. Dec: UV 2.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Snow Days
Snow DaysSnowfall
Snow Days: Jan: 5 days. Feb: 5 days. Mar: 6 days. Apr: 2 days. May: 0 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 0 days. Nov: 2 days. Dec: 3 days.
Climate Trends
Average highs have warmed by 1.1°C (2.0°F) across the available records. Average rainfall is trending drier by about 21 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Aug 2025 · 26°C | Aug · 25°C |
| Coldest month | Mar 2025 · 5°C | Jan · 4°C |
| Wettest month | Jan 2025 · 194 mm | Nov · 157 mm |
| Windiest month | Jan 2025 · 19 km/h | Mar · 16 km/h |
Month-by-Month Weather Table
January
Poor 
February
Fair March
Poor April
Fair May
Good June
Good July best
Excellent August best
Excellent September best
Excellent October
Good November
Fair December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 11°C / 4°C | 9°C / 1°C | 14days (155 mm) Wet | 5.7h Fair | 85% Humid | 1.8 Low | Poor | View Details |
| February | 13°C / 5°C | 10°C / 2°C | 13days (123 mm) Wet | 6.9h Fair | 83% Humid | 2.7 Moderate | Fair | View Details |
| March | 13°C / 5°C | 11°C / 2°C | 16days (125 mm) Wet | 8.7h Good | 82% Humid | 4 Moderate | Poor | View Details |
| April | 16°C / 7°C | 15°C / 5°C | 15days (111 mm) Wet | 10.2h Excellent | 81% Humid | 5.5 High | Fair | View Details |
| May | 18°C / 10°C | 19°C / 9°C | 15days (119 mm) Wet | 11.1h Excellent | 82% Humid | 5.9 High | Good | View Details |
| June | 21°C / 13°C | 23°C / 13°C | 15days (122 mm) Wet | 10.9h Excellent | 84% Humid | 6.8 High | Good | View Details |
| July best | 24°C / 15°C | 26°C / 16°C | 9days (36 mm) Wet | 12.1h Excellent | 82% Humid | 7.2 Very High | Excellent | View Details |
| August best | 25°C / 16°C | 27°C / 17°C | 10days (53 mm) Wet | 11.5h Excellent | 80% Humid | 6.5 High | Excellent | View Details |
| September best | 22°C / 13°C | 22°C / 13°C | 13days (85 mm) Wet | 9.7h Good | 81% Humid | 4.9 Moderate | Excellent | View Details |
| October | 19°C / 11°C | 18°C / 10°C | 14days (124 mm) Wet | 8h Good | 81% Humid | 3.4 Moderate | Good | View Details |
| November | 14°C / 7°C | 12°C / 5°C | 16days (157 mm) Wet | 6.1h Fair | 85% Humid | 2.1 Moderate | Fair | View Details |
| December | 12°C / 5°C | 10°C / 3°C | 15days (145 mm) Wet | 5.3h Fair | 85% Humid | 1.7 Low | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Illano are July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Illano, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Illano is August, with average daytime highs of 25°C (76°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Illano is January, with average overnight lows of 4°C (39°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Illano is November, averaging 157mm of precipitation across 16 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Illano runs through March, November, April, May, with the heaviest rainfall in March. Based on 10-year averages for Illano.
Illano receives approximately 106 sunshine hours per year. The sunniest month is July with around 12 hours. Based on climate data for Illano.
The least favorable months to visit Illano are January, February, March, December, primarily due to frequent rain. For the best conditions, consider July, August, September instead.
The annual average UV index in Illano is 4, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Illano is 83%, classified as humid. High humidity makes warm temperatures feel significantly hotter — lightweight, breathable clothing is recommended.
Yes, Illano receives snow. Months with snowfall average 4 snow days and 7 cm (3 in) of accumulation, with about 3 frost days during winter.
Average wind speeds in Illano are 14 km/h (9 mph). The windiest month is March with peak winds reaching 16 km/h (10 mph) (gusts up to 50 km/h / 31 mph).
Illano averages 2 clear-sky days per month with overall cloud cover around 68%. The clearest skies occur in December.
The annual average dew point in Illano is 10°C (50°F), which feels pleasant with low humidity. Outdoor activities are comfortable year-round from a humidity standpoint.
Illano has a Warm-Summer Mediterranean climate, classified as Csb under the Köppen system. Temperate climates have mild winters and warm summers, with rainfall spread across the year and four distinct seasons.
The 'feels like' temperature in Illano ranges from 8°C (46°F) to 17°C (63°F) on average. The 'feels like' temperature closely matches the actual temperature throughout most of the year.
Yes, June is a great time to visit Illano. It earns a climate score of 7.4/10 with Good.
For June in Illano, pack Umbrella, Waterproof jacket, Waterproof shoes, Sunscreen (SPF 30+), Sunglasses. With average highs of 21°C (70°F) and 15 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
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