Climate Insights for Roma

The climate in Roma is temperate. The average annual temperature is 14°C and approximately 880mm of precipitation falls per year. December is the wettest month, receiving around 153mm of rainfall. Roma is in the Southern Hemisphere. The seasons are reversed — summer runs from December to February, while winter falls between June and August. The summer months are: January, December, November. The coldest months are July, June, August, when temperatures can drop to -2°C. Light snow can occur between July and July.

Temperatures in Roma vary considerably across the year, with a 29°C difference between the coldest and warmest months. The warmest month is January, when average highs reach 27°C and the mean temperature sits around 20°C. The coldest month is July, when overnight lows fall to -2°C and the daily average is 7°C. On average, daily temperatures fluctuate by about 15°C between overnight lows and afternoon highs. The sharpest temperature change occurs between August and September, with a 5°C shift in average temperatures.

Roma is a moderately rainy area, receiving approximately 880mm of precipitation annually, which averages out to around 73mm per month. The wettest month is December, averaging 153mm of rainfall. February and November also tend to see above-average precipitation. The driest month is June, with just 7mm. That's 146mm less than December, 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. Light snowfall can occur between July and July, totalling around 5cm annually. July is the snowiest month with approximately 4cm.

Roma is relatively calm, with an average annual wind speed of 2km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is November, averaging 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.

It is currently winter in Roma, which began on June 21, 2026. Roma is in the Southern Hemisphere, where the seasons are reversed — spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in January at around 27°C, while the coldest stretch bottoms out in July near -2°C. Spring is next, beginning on September 23, 2026 — 93 days from now.

The best time to visit Roma is during March and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 69mm per month. By contrast, January can be uncomfortably hot with highs reaching 27°C, while July is the coldest period with lows dropping to -2°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Roma 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. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. 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.