Arienzo, Italy experiences average highs of 21°C (70°F) and lows of 12°C (54°F) throughout the year. Rainfall is moderate, averaging about 10 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.
Arienzo, Italy Weather & Climate 2026
Monthly climate averages for Arienzo, 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
7.1/10
Best: June, July, September
UV Index
5
Low
Temperature 21°C / 12°C
Feels Like 21°C / 11°C
Rainy Days 10
Rainfall 102 mm
Sunshine 10 h
Humidity 75%
Wind Speed 11 km/h
Dew Point 12°C
Snow Days 1 days
Frost Days 2 days
Hottest Month
31°C
July
Avg Low21°C
Rain3days
Coldest Month
4°C
January
Avg High11°C
Rain13days
Driest Month
3days
July
Avg High31°C
Avg Low21°C
Windiest Month
13 km/h
March (Gusts 39)
Sea Temperature
15°C – 27°C
Warmest water: July (
27.2°C
)
Worst Time to Visit
Consider avoiding January, February, November, December due to frequent rain.
Sun Position
Sunrise 05:31
Daylight 15.1h
Sunset 20:37
Live conditions—
Arienzo on the map · live conditions
Arienzo, Italy
- Continent
- Europe
- Country
- Italy
- City
- Arienzo
- Population
- 5.3K
- Elevation
- 103 m
- Coordinates
- 41.03°, 14.50°
Seasonal Breakdown
Spring
Mar–May
Avg High 18°C
Avg Low 9°C
Rain 12 days/mo
Summer
Jun–Aug
Avg High 30°C
Avg Low 20°C
Rain 5 days/mo
2/3 best months
Autumn
Sep–Nov
Avg High 21°C
Avg Low 13°C
Rain 12 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 13°C
Avg Low 5°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 / 4°C . Feb: 13°C / 5°C . Mar: 15°C / 6°C . Apr: 18°C / 9°C . May: 22°C / 13°C . Jun: 28°C / 18°C . Jul: 31°C / 21°C . Aug: 31°C / 21°C . Sep: 26°C / 17°C . Oct: 22°C / 13°C . Nov: 16°C / 10°C . Dec: 13°C / 6°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 121 mm. Feb: 119 mm. Mar: 119 mm. Apr: 78 mm. May: 101 mm. Jun: 38 mm. Jul: 19 mm. Aug: 35 mm. Sep: 123 mm. Oct: 114 mm. Nov: 228 mm. Dec: 126 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 83%. Feb: 80%. Mar: 78%. Apr: 74%. May: 76%. Jun: 68%. Jul: 62%. Aug: 64%. Sep: 73%. Oct: 79%. Nov: 84%. Dec: 84%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 12 km/h . Feb: 12 km/h . Mar: 13 km/h . Apr: 12 km/h . May: 11 km/h . Jun: 11 km/h . Jul: 11 km/h . Aug: 11 km/h . Sep: 11 km/h . Oct: 10 km/h . Nov: 11 km/h . Dec: 11 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: 16°C . Feb: 15°C . Mar: 15°C . Apr: 16°C . May: 19°C . Jun: 24°C . Jul: 27°C . Aug: 27°C . Sep: 26°C . Oct: 23°C . Nov: 20°C . Dec: 18°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: 1 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 1.0°C (1.8°F) across the available records. Average rainfall is trending drier by about 9 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jul 2025 · 31°C | Jul · 31°C |
| Coldest month | Feb 2025 · 5°C | Jan · 4°C |
| Wettest month | Nov 2025 · 240 mm | Nov · 228 mm |
| Windiest month | Jan 2025 · 13 km/h | Mar · 13 km/h |
Month-by-Month Weather Table
January
Fair 
February
Fair March
Fair April
Good May
Good June best
Excellent July best
Excellent August
Good September best
Excellent October
Good November
Wet December
Fair | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 11°C / 4°C | 9°C / 2°C | 13days (121 mm) Wet | 6.5h Fair | 83% Humid | 2.3 Moderate | Fair | View Details |
| February | 13°C / 5°C | 11°C / 3°C | 10days (119 mm) Wet | 7.8h Good | 80% Humid | 3.4 Moderate | Fair | View Details |
| March | 15°C / 6°C | 13°C / 4°C | 13days (119 mm) Wet | 9.2h Good | 78% Humid | 4.6 Moderate | Fair | View Details |
| April | 18°C / 9°C | 18°C / 7°C | 11days (78 mm) Wet | 10.9h Excellent | 74% Muggy | 6.3 High | Good | View Details |
| May | 22°C / 13°C | 23°C / 12°C | 12days (101 mm) Wet | 11.6h Excellent | 76% Humid | 7.2 Very High | Good | View Details |
| June best | 28°C / 18°C | 31°C / 19°C | 5days (38 mm) Good | 13.2h Excellent | 68% Muggy | 7.8 Very High | Excellent | View Details |
| July best | 31°C / 21°C | 34°C / 23°C | 3days (19 mm) Excellent | 13.5h Excellent | 62% Muggy | 7.9 Very High | Excellent | View Details |
| August | 31°C / 21°C | 34°C / 23°C | 7days (35 mm) Good | 12.2h Excellent | 64% Muggy | 7.1 Very High | Good | View Details |
| September best | 26°C / 17°C | 27°C / 18°C | 10days (123 mm) Wet | 10.3h Excellent | 73% Muggy | 5.8 High | Excellent | View Details |
| October | 22°C / 13°C | 22°C / 13°C | 10days (114 mm) Wet | 8.7h Good | 79% Humid | 4.2 Moderate | Good | View Details |
| November | 16°C / 10°C | 16°C / 8°C | 15days (228 mm) Wet | 6.6h Fair | 84% Humid | 2.7 Moderate | Wet | View Details |
| December | 13°C / 6°C | 11°C / 4°C | 11days (126 mm) Wet | 6.6h Fair | 84% Humid | 2.3 Moderate | Fair | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Arienzo are June, July, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Arienzo, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Arienzo is July, with average daytime highs of 31°C (89°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Arienzo 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 Arienzo is November, averaging 228mm of precipitation across 15 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Arienzo runs through November, January, March, May, with the heaviest rainfall in November. Based on 10-year averages for Arienzo.
Arienzo receives approximately 117 sunshine hours per year. The sunniest month is July with around 14 hours. Based on climate data for Arienzo.
The least favorable months to visit Arienzo are January, February, November, December, primarily due to frequent rain. For the best conditions, consider June, July, September instead.
The annual average UV index in Arienzo is 5, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Arienzo is 75%, classified as moderate. 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.
Yes, Arienzo receives snow. Months with snowfall average 1 snow days and 1 cm (0 in) of accumulation, with about 2 frost days during winter.
Average wind speeds in Arienzo are 11 km/h (7 mph). The windiest month is March with peak winds reaching 13 km/h (8 mph) (gusts up to 39 km/h / 24 mph).
Arienzo averages 8 clear-sky days per month with overall cloud cover around 48%. The clearest skies occur in July.
The annual average dew point in Arienzo is 12°C (54°F), which feels pleasant with low humidity. Outdoor activities are comfortable year-round from a humidity standpoint.
Arienzo 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 Arienzo ranges from 11°C (52°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 Arienzo. It earns a climate score of 9.8/10 with Excellent.
For June in Arienzo, pack Breathable clothing, Sunscreen (SPF 30+), Sun hat, Sunglasses, Comfortable walking shoes. With average highs of 28°C (83°F) and 5 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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