Riardo, Italy experiences average highs of 21°C (70°F) and lows of 10°C (50°F) throughout the year. Rainfall is moderate, averaging about 11 rainy days per month. Sunshine is abundant, averaging about 10 hours per day. Average highs have warmed by 1.3°C (2.3°F) across the available records.
Riardo, Italy Weather & Climate 2026
Monthly climate averages for Riardo, 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
6.9/10
Best: June, September
UV Index
5
Low
Temperature 21°C / 10°C
Feels Like 21°C / 10°C
Rainy Days 11
Rainfall 105 mm
Sunshine 10 h
Humidity 78%
Wind Speed 10 km/h
Dew Point 12°C
Snow Days 1 days
Frost Days 4 days
Hottest Month
32°C
August
Avg Low20°C
Rain8days
Coldest Month
2°C
January
Avg High11°C
Rain13days
Driest Month
4days
July
Avg High32°C
Avg Low20°C
Windiest Month
11 km/h
March (Gusts 35)
Sea Temperature
14°C – 28°C
Warmest water: July (
27.7°C
)
Worst Time to Visit
Consider avoiding January, February, March, December due to frequent rain.
Sun Position
Sunrise 05:31
Daylight 15.1h
Sunset 20:39
Live conditions—
Riardo on the map · live conditions
Riardo, Italy
- Continent
- Europe
- Country
- Italy
- City
- Riardo
- Population
- 1.7K
- Elevation
- 150 m
- Coordinates
- 41.26°, 14.15°
Seasonal Breakdown
Spring
Mar–May
Avg High 19°C
Avg Low 8°C
Rain 13 days/mo
Summer
Jun–Aug
Avg High 30°C
Avg Low 19°C
Rain 6 days/mo
1/3 best months
Autumn
Sep–Nov
Avg High 21°C
Avg Low 12°C
Rain 12 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 12°C
Avg Low 3°C
Rain 11 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 / 2°C . Feb: 13°C / 4°C . Mar: 15°C / 5°C . Apr: 19°C / 8°C . May: 22°C / 12°C . Jun: 28°C / 17°C . Jul: 32°C / 20°C . Aug: 32°C / 20°C . Sep: 26°C / 16°C . Oct: 21°C / 12°C . Nov: 16°C / 8°C . Dec: 13°C / 4°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 115 mm. Feb: 125 mm. Mar: 120 mm. Apr: 91 mm. May: 108 mm. Jun: 50 mm. Jul: 25 mm. Aug: 33 mm. Sep: 122 mm. Oct: 110 mm. Nov: 226 mm. Dec: 130 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 85%. Feb: 82%. Mar: 80%. Apr: 76%. May: 78%. Jun: 71%. Jul: 65%. Aug: 66%. Sep: 75%. Oct: 81%. Nov: 87%. Dec: 86%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 10 km/h . Feb: 10 km/h . Mar: 11 km/h . Apr: 11 km/h . May: 10 km/h . Jun: 10 km/h . Jul: 10 km/h . Aug: 10 km/h . Sep: 10 km/h . Oct: 9 km/h . Nov: 10 km/h . Dec: 9 km/h .
Sunshine
Sunshine
Sunshine: Jan: 7h. Feb: 8h. Mar: 9h. Apr: 11h. May: 12h. Jun: 13h. Jul: 14h. Aug: 12h. Sep: 10h. Oct: 9h. Nov: 7h. Dec: 7h.
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 15°C . Feb: 14°C . Mar: 15°C . Apr: 17°C . May: 20°C . Jun: 25°C . Jul: 28°C . Aug: 28°C . Sep: 26°C . Oct: 23°C . Nov: 19°C . Dec: 16°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 2. Feb: UV 3. 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
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Snow Days
Snow DaysSnowfall
Snow Days: Jan: 1 days. Feb: 1 days. Mar: 0 days. Apr: 0 days. May: 0 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 0 days. Nov: 0 days. Dec: 0 days.
Climate Trends
Average highs have warmed by 1.3°C (2.3°F) across the available records. Average rainfall is trending drier by about 11 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jul 2025 · 32°C | Aug · 32°C |
| Coldest month | Dec 2025 · 4°C | Jan · 2°C |
| Wettest month | Nov 2025 · 192 mm | Nov · 226 mm |
| Windiest month | Jul 2025 · 12 km/h | Mar · 11 km/h |
Month-by-Month Weather Table
January
Poor 
February
Fair March
Fair April
Good May
Good June best
Excellent July
Good August
Good September best
Excellent October
Good November
Wet December
Fair | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 11°C / 2°C | 9°C / 0°C | 13days (115 mm) Wet | 6.6h Fair | 85% Humid | 2.2 Moderate | Poor | View Details |
| February | 13°C / 4°C | 11°C / 1°C | 10days (125 mm) Wet | 7.9h Good | 82% Humid | 3.2 Moderate | Fair | View Details |
| March | 15°C / 5°C | 14°C / 3°C | 13days (120 mm) Wet | 9.2h Good | 80% Humid | 4.6 Moderate | Fair | View Details |
| April | 19°C / 8°C | 18°C / 6°C | 11days (91 mm) Wet | 10.9h Excellent | 76% Humid | 6.3 High | Good | View Details |
| May | 22°C / 12°C | 23°C / 11°C | 14days (108 mm) Wet | 11.6h Excellent | 78% Humid | 7 High | Good | View Details |
| June best | 28°C / 17°C | 31°C / 18°C | 7days (50 mm) Good | 13.3h Excellent | 71% Muggy | 7.8 Very High | Excellent | View Details |
| July | 32°C / 20°C | 34°C / 22°C | 4days (25 mm) Good | 13.5h Excellent | 65% Muggy | 7.8 Very High | Good | View Details |
| August | 32°C / 20°C | 34°C / 22°C | 8days (33 mm) Wet | 12.2h Excellent | 66% Muggy | 7.2 Very High | Good | View Details |
| September best | 26°C / 16°C | 27°C / 17°C | 10days (122 mm) Wet | 10.2h Excellent | 75% Muggy | 5.7 High | Excellent | View Details |
| October | 21°C / 12°C | 22°C / 11°C | 10days (110 mm) Wet | 8.7h Good | 81% Humid | 4.1 Moderate | Good | View Details |
| November | 16°C / 8°C | 16°C / 7°C | 15days (226 mm) Wet | 6.5h Fair | 87% Very Muggy | 2.7 Moderate | Wet | View Details |
| December | 13°C / 4°C | 11°C / 2°C | 11days (130 mm) Wet | 6.6h Fair | 86% Very Muggy | 2.2 Moderate | Fair | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Riardo are June, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Riardo, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Riardo is August, with average daytime highs of 32°C (89°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Riardo is January, with average overnight lows of 2°C (36°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Riardo is November, averaging 226mm of precipitation across 15 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Riardo runs through November, May, January, March, with the heaviest rainfall in November. Based on 10-year averages for Riardo.
Riardo receives approximately 117 sunshine hours per year. The sunniest month is July with around 14 hours. Based on climate data for Riardo.
The least favorable months to visit Riardo are January, February, March, December, primarily due to frequent rain. For the best conditions, consider June, September instead.
The annual average UV index in Riardo is 5, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Riardo is 78%, 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 26°C (79°F), which is warm and comfortable for swimming and water activities.
Yes, Riardo receives snow. Months with snowfall average 1 snow days and 1 cm (0 in) of accumulation, with about 4 frost days during winter.
Average wind speeds in Riardo are 10 km/h (6 mph). The windiest month is March with peak winds reaching 11 km/h (7 mph) (gusts up to 35 km/h / 22 mph).
Riardo averages 7 clear-sky days per month with overall cloud cover around 49%. The clearest skies occur in July.
The annual average dew point in Riardo is 12°C (54°F), which feels pleasant with low humidity. Outdoor activities are comfortable year-round from a humidity standpoint.
Riardo 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 Riardo ranges from 10°C (50°F) to 21°C (70°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 Riardo. It earns a climate score of 9.8/10 with Excellent.
For June in Riardo, pack Umbrella, Breathable clothing, Sunscreen (SPF 30+), Sun hat, Sunglasses. With average highs of 28°C (83°F) and 7 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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