Illasi, Italy experiences average highs of 18°C (64°F) and lows of 9°C (48°F) throughout the year. Rainfall is moderate, averaging about 11 rainy days per month. Sunshine is abundant, averaging about 9 hours per day. Average highs have stayed broadly stable across the available records.
Illasi, Italy Weather & Climate 2026
Monthly climate averages for Illasi, Italy. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: Apr–Sep At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
6.1/10
Best: May, June, July, August, September
UV Index
4
Low
Temperature 18°C / 9°C
Feels Like 18°C / 8°C
Rainy Days 11
Rainfall 102 mm
Sunshine 9 h
Humidity 76%
Wind Speed 10 km/h
Dew Point 9°C
Snow Days 2 days
Frost Days 9 days
Hottest Month
29°C
July
Avg Low19°C
Rain15days
Coldest Month
0°C
January
Avg High8°C
Rain6days
Driest Month
6days
January
Avg High8°C
Avg Low0°C
Windiest Month
11 km/h
April (Gusts 30)
Worst Time to Visit
Consider avoiding January, December due to less favorable weather conditions.
Sun Position
Sunrise 05:27
Daylight 15.7h
Sunset 21:07
Live conditions—
Illasi on the map · live conditions
Illasi, Italy
- Continent
- Europe
- Country
- Italy
- City
- Illasi
- Population
- 3K
- Elevation
- 157 m
- Coordinates
- 45.47°, 11.18°
Seasonal Breakdown
Spring
Mar–May
Avg High 17°C
Avg Low 8°C
Rain 13 days/mo
1/3 best months
Summer
Jun–Aug
Avg High 28°C
Avg Low 19°C
Rain 14 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 18°C
Avg Low 10°C
Rain 10 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 9°C
Avg Low 1°C
Rain 7 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: 8°C / 0°C . Feb: 11°C / 1°C . Mar: 14°C / 4°C . Apr: 18°C / 8°C . May: 21°C / 12°C . Jun: 27°C / 17°C . Jul: 29°C / 19°C . Aug: 28°C / 19°C . Sep: 24°C / 15°C . Oct: 19°C / 11°C . Nov: 13°C / 5°C . Dec: 9°C / 1°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 54 mm. Feb: 77 mm. Mar: 77 mm. Apr: 98 mm. May: 166 mm. Jun: 104 mm. Jul: 109 mm. Aug: 114 mm. Sep: 115 mm. Oct: 115 mm. Nov: 117 mm. Dec: 78 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 80%. Feb: 79%. Mar: 74%. Apr: 71%. May: 74%. Jun: 71%. Jul: 69%. Aug: 70%. Sep: 74%. Oct: 80%. Nov: 83%. Dec: 83%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 9 km/h . Feb: 10 km/h . Mar: 11 km/h . Apr: 11 km/h . May: 11 km/h . Jun: 10 km/h . Jul: 10 km/h . Aug: 10 km/h . Sep: 10 km/h . Oct: 9 km/h . Nov: 9 km/h . Dec: 9 km/h .
Sunshine
Sunshine
Sunshine: Jan: 6h. Feb: 7h. Mar: 9h. Apr: 10h. May: 11h. Jun: 13h. Jul: 13h. Aug: 12h. Sep: 10h. Oct: 8h. Nov: 6h. Dec: 6h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 2. Feb: UV 2. Mar: UV 4. Apr: UV 5. May: UV 6. Jun: UV 7. Jul: UV 7. Aug: UV 6. 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: 3 days. Feb: 3 days. Mar: 2 days. Apr: 1 days. May: 0 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 0 days. Nov: 1 days. Dec: 3 days.
Climate Trends
Average highs have stayed broadly stable across the available records. Average rainfall is trending wetter by about 9 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jun 2025 · 29°C | Jul · 29°C |
| Coldest month | Jan 2025 · 1°C | Jan · 0°C |
| Wettest month | May 2025 · 188 mm | May · 166 mm |
| Windiest month | Apr 2025 · 11 km/h | Apr · 11 km/h |
Month-by-Month Weather Table
January
Poor 
February
Fair March
Fair April
Good May best
Wet June best
Excellent July best
Good August best
Good September best
Excellent October
Good November
Fair December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 8°C / 0°C | 5°C / -3°C | 6days (54 mm) Good | 6.4h Fair | 80% Humid | 1.6 Low | Poor | View Details |
| February | 11°C / 1°C | 8°C / -2°C | 7days (77 mm) Good | 7.1h Good | 79% Humid | 2.2 Moderate | Fair | View Details |
| March | 14°C / 4°C | 12°C / 1°C | 10days (77 mm) Wet | 9h Good | 74% Muggy | 3.6 Moderate | Fair | View Details |
| April | 18°C / 8°C | 17°C / 6°C | 12days (98 mm) Wet | 10.4h Excellent | 71% Muggy | 5 Moderate | Good | View Details |
| May best | 21°C / 12°C | 21°C / 11°C | 18days (166 mm) Wet | 10.7h Excellent | 74% Muggy | 5.9 High | Wet | View Details |
| June best | 27°C / 17°C | 29°C / 18°C | 13days (104 mm) Wet | 13h Excellent | 71% Muggy | 6.8 High | Excellent | View Details |
| July best | 29°C / 19°C | 31°C / 21°C | 15days (109 mm) Wet | 12.8h Excellent | 69% Muggy | 6.8 High | Good | View Details |
| August best | 28°C / 19°C | 31°C / 21°C | 13days (114 mm) Wet | 11.8h Excellent | 70% Muggy | 6.1 High | Good | View Details |
| September best | 24°C / 15°C | 25°C / 16°C | 11days (115 mm) Wet | 9.9h Good | 74% Muggy | 4.7 Moderate | Excellent | View Details |
| October | 19°C / 11°C | 19°C / 10°C | 8days (115 mm) Wet | 7.7h Good | 80% Humid | 2.8 Moderate | Good | View Details |
| November | 13°C / 5°C | 11°C / 3°C | 10days (117 mm) Wet | 6.2h Fair | 83% Humid | 2 Low | Fair | View Details |
| December | 9°C / 1°C | 7°C / -2°C | 7days (78 mm) Good | 5.7h Fair | 83% Humid | 1.5 Low | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Illasi are May, June, July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Illasi, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Illasi is July, with average daytime highs of 29°C (83°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Illasi is January, with average overnight lows of 0°C (32°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Illasi is May, averaging 166mm of precipitation across 18 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Illasi runs through May, July, June, August, with the heaviest rainfall in May. Based on 10-year averages for Illasi.
Illasi receives approximately 111 sunshine hours per year. The sunniest month is June with around 13 hours. Based on climate data for Illasi.
The least favorable months to visit Illasi are January, December, primarily due to less favorable weather conditions. For the best conditions, consider May, June, July, August, September instead.
The annual average UV index in Illasi is 4, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Illasi is 76%, classified as humid. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Illasi receives snow. Months with snowfall average 2 snow days and 3 cm (1 in) of accumulation, with about 9 frost days during winter.
Average wind speeds in Illasi are 10 km/h (6 mph). The windiest month is April with peak winds reaching 11 km/h (7 mph) (gusts up to 30 km/h / 19 mph).
Illasi averages 5 clear-sky days per month with overall cloud cover around 54%. The clearest skies occur in December.
The annual average dew point in Illasi is 9°C (48°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Illasi has a Humid Subtropical climate, classified as Cfa 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 Illasi ranges from 8°C (46°F) to 18°C (64°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 Illasi. It earns a climate score of 8.4/10 with Excellent.
For June in Illasi, pack Umbrella, Waterproof jacket, Breathable clothing, Sunscreen (SPF 30+), Sun hat. With average highs of 27°C (80°F) and 13 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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