Osilo, Italy experiences average highs of 18°C (64°F) and lows of 10°C (50°F) throughout the year. Rainfall is moderate, averaging about 8 rainy days per month. Sunshine is abundant, averaging about 10 hours per day. Average highs have warmed by 1.0°C (1.8°F) across the available records.
Osilo, Italy Weather & Climate 2026
Monthly climate averages for Osilo, Italy. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Feb–Oct 
Wetter season: Jan–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
7/10
Best: June, July, August, September
UV Index
5
Low
Temperature 18°C / 10°C
Feels Like 17°C / 8°C
Rainy Days 8
Rainfall 56 mm
Sunshine 10 h
Humidity 76%
Wind Speed 18 km/h
Dew Point 10°C
Frost Days 2 days
Hottest Month
28°C
July
Avg Low 18°C
Rain 2 days
Coldest Month
4°C
January
Avg High 10°C
Rain 11 days
Driest Month
2 days
July
Avg High 28°C
Avg Low 18°C
Windiest Month
21 km/h
January (Gusts 43)
Sea Temperature
14°C – 27°C
Warmest water: August (
26.6°C
)
Worst Time to Visit
Consider avoiding January, February, November, December due to frequent rain.
Sun Position
Sunrise 06:07
Daylight 14.8h
Sunset 20:55
Live conditions —
Osilo on the map · live conditions
Osilo, Italy
- Continent
- Europe
- Country
- Italy
- City
- Osilo
- Population
- 2.7K
- Elevation
- 615 m
- Coordinates
- 40.74°, 8.67°
Seasonal Breakdown
Spring
Mar–May
Avg High 16°C
Avg Low 7°C
Rain 9 days/mo
Summer
Jun–Aug
Avg High 27°C
Avg Low 17°C
Rain 3 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 19°C
Avg Low 12°C
Rain 9 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 11°C
Avg Low 4°C
Rain 10 days/mo
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
High Low Shaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 10°C / 4°C . Feb: 11°C / 4°C . Mar: 12°C / 5°C . Apr: 15°C / 7°C . May: 19°C / 10°C . Jun: 25°C / 15°C . Jul: 28°C / 18°C . Aug: 27°C / 18°C . Sep: 23°C / 15°C . Oct: 19°C / 12°C . Nov: 14°C / 8°C . Dec: 11°C / 5°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 75 mm. Feb: 61 mm. Mar: 62 mm. Apr: 51 mm. May: 66 mm. Jun: 24 mm. Jul: 7 mm. Aug: 24 mm. Sep: 59 mm. Oct: 56 mm. Nov: 102 mm. Dec: 84 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 82%. Feb: 82%. Mar: 78%. Apr: 75%. May: 75%. Jun: 68%. Jul: 64%. Aug: 66%. Sep: 73%. Oct: 77%. Nov: 82%. Dec: 84%.
Monthly Wind Speed
Wind Speed Gusts
Bar chart showing monthly wind speed. Jan: 21 km/h . Feb: 19 km/h . Mar: 20 km/h . Apr: 18 km/h . May: 18 km/h . Jun: 16 km/h . Jul: 17 km/h . Aug: 17 km/h . Sep: 17 km/h . Oct: 17 km/h . Nov: 19 km/h . Dec: 19 km/h .
Sunshine
Sunshine
Sunshine: Jan: 7h. Feb: 9h. Mar: 10h. Apr: 11h. May: 12h. Jun: 13h. Jul: 13h. Aug: 13h. Sep: 11h. Oct: 9h. Nov: 8h. Dec: 7h.
Sea Temperature
Sea Temperature swim
Line chart showing monthly sea temperature. Jan: 15°C . Feb: 14°C . Mar: 15°C . Apr: 16°C . May: 19°C . Jun: 24°C . Jul: 27°C . Aug: 27°C . Sep: 24°C . Oct: 22°C . Nov: 19°C . Dec: 16°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 3. Feb: UV 4. Mar: UV 5. Apr: UV 6. May: UV 7. Jun: UV 8. Jul: UV 8. Aug: UV 7. Sep: UV 6. Oct: UV 4. Nov: UV 3. Dec: UV 2.
Monthly Daylight Hours
Daylight 12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Climate Trends
Average highs have warmed by 1.0°C (1.8°F) across the available records. Average rainfall has remained broadly steady.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jun 2025 · 28°C | Jul · 28°C |
| Coldest month | Feb 2025 · 4°C | Jan · 4°C |
| Wettest month | Apr 2025 · 132 mm | Nov · 102 mm |
| Windiest month | Jan 2025 · 21 km/h | Jan · 21 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Fair April
Fair May
Good June best
Excellent July best
Excellent August best
Excellent September best
Excellent October
Good November
Fair December
Fair | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 10°C / 4°C | 6°C / 0°C | 11days (75 mm) Wet | 7.4h Good | 82% Humid | 2.5 Moderate | Poor | View Details |
| February | 11°C / 4°C | 8°C / 1°C | 8days (61 mm) Wet | 8.6h Good | 82% Humid | 3.6 Moderate | Poor | View Details |
| March | 12°C / 5°C | 10°C / 2°C | 10days (62 mm) Wet | 10h Excellent | 78% Humid | 5.2 High | Fair | View Details |
| April | 15°C / 7°C | 14°C / 4°C | 7days (51 mm) Good | 11.3h Excellent | 75% Muggy | 6.3 High | Fair | View Details |
| May | 19°C / 10°C | 18°C / 9°C | 9days (66 mm) Wet | 12.1h Excellent | 75% Muggy | 7.4 Very High | Good | View Details |
| June best | 25°C / 15°C | 25°C / 15°C | 3days (24 mm) Excellent | 13.1h Excellent | 68% Muggy | 8 Very High | Excellent | View Details |
| July best | 28°C / 18°C | 29°C / 19°C | 2days (7 mm) Excellent | 13.2h Excellent | 64% Muggy | 8.2 Very High | Excellent | View Details |
| August best | 27°C / 18°C | 28°C / 19°C | 5days (24 mm) Good | 12.5h Excellent | 66% Muggy | 7.4 Very High | Excellent | View Details |
| September best | 23°C / 15°C | 23°C / 15°C | 6days (59 mm) Good | 10.7h Excellent | 73% Muggy | 6.2 High | Excellent | View Details |
| October | 19°C / 12°C | 18°C / 11°C | 8days (56 mm) Wet | 9.3h Good | 77% Humid | 4.4 Moderate | Good | View Details |
| November | 14°C / 8°C | 12°C / 5°C | 13days (102 mm) Wet | 7.5h Good | 82% Humid | 3 Moderate | Fair | View Details |
| December | 11°C / 5°C | 8°C / 2°C | 11days (84 mm) Wet | 7h Good | 84% Humid | 2.2 Moderate | Fair | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Osilo are June, July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Osilo, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Osilo is July, with average daytime highs of 28°C (82°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Osilo 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 Osilo is November, averaging 102mm of precipitation across 13 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Osilo runs through November, January, December, March, with the heaviest rainfall in November. Based on 10-year averages for Osilo.
Osilo receives approximately 123 sunshine hours per year. The sunniest month is July with around 13 hours. Based on climate data for Osilo.
The least favorable months to visit Osilo are January, February, November, December, primarily due to frequent rain. For the best conditions, consider June, July, August, September instead.
The annual average UV index in Osilo is 5, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Osilo is 76%, classified as humid. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes — sea temperatures in June, July, August, September, October average 25°C (77°F), which is warm and comfortable for swimming and water activities.
Osilo rarely sees significant snowfall but does experience frost, averaging 2 frost days during the colder months.
Average wind speeds in Osilo are 18 km/h (11 mph). The windiest month is January with peak winds reaching 21 km/h (13 mph) (gusts up to 43 km/h / 27 mph).
Osilo averages 8 clear-sky days per month with overall cloud cover around 45%. The clearest skies occur in July.
The annual average dew point in Osilo is 10°C (50°F), which feels pleasant with low humidity. Outdoor activities are comfortable year-round from a humidity standpoint.
Osilo has a Hot-Summer Mediterranean climate, classified as Csa 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 Osilo 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, July is a great time to visit Osilo. It earns a climate score of 10/10 with Excellent.
For July in Osilo, pack Breathable clothing, Sunscreen (SPF 30+), Sun hat, Sunglasses, Comfortable walking shoes. With average highs of 28°C (82°F) and 2 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.
Last updated: