Climate Insights for Fiano Romano

The climate in Fiano Romano is temperate. The average annual temperature is 16°C and approximately 1054mm of precipitation falls per year. November is the wettest month, receiving around 145mm of rainfall. Fiano Romano is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are January, February, December, when temperatures can drop to 3°C.

Temperatures in Fiano Romano vary considerably across the year, with a 29°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 32°C and the mean temperature sits around 26°C. January is the coolest month, with minimum temperatures around 3°C and an average of 7°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between May and June, with a 6°C shift in average temperatures.

Fiano Romano is a moderately rainy area, receiving approximately 1054mm of precipitation annually, which averages out to around 88mm per month. The wettest month is November, averaging 145mm of rainfall. September and October also tend to see above-average precipitation. The driest month is July, with just 24mm. That's 121mm less than November, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Fiano Romano is relatively calm, with an average annual wind speed of 7km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 8km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 6km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.

It is currently summer in Fiano Romano, which began on June 21, 2026. Fiano Romano is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 32°C, while the coldest stretch bottoms out in January near 3°C. Autumn is next, beginning on September 23, 2026 (7 days from now).

The best time to visit Fiano Romano is during May and June, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 70mm per month. By contrast, July can be uncomfortably hot with highs reaching 32°C, while January is the coldest period with lows dropping to 3°C. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Fiano Romano based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.