Roma in January
January is right in the heart of summer for Roma, and the weather has a definite personality this time of year.
Daytime highs average 33.9 degrees, dropping to 23.1 degrees overnight. That's a 11-degree swing between day and night. The warmth sticks around even after dark.
At 33.9 degrees, January runs 6.8 degrees above Roma's annual average of 27.1 degrees.
Rainfall in January averages 115mm over about 12 days. That means roughly a 40% chance of rain on any given day, pack a compact umbrella just in case.
Solar exposure averages 25.3 MJ/m2 per day in January, with UV levels in the extreme range. Sunscreen, hat, and sunnies are all essential. You can burn in under 10 minutes.
January scores 3.2/10 on our Comfort Score. It's the tough end of the year weather-wise.
Packing tip: bring light, breathable clothing, a rain jacket or compact umbrella, and SPF 50+ sunscreen and a hat.
The full data breakdown is below. You can also see how other Australian cities compare in January.
January at a Glance
Temperature Range
Daily temperature range in January. The bar shows the typical spread between overnight lows and afternoon highs.
What to Pack
- Light, breathable clothing and a wide-brimmed hat
- A waterproof jacket or compact umbrella
- Strong sun protection including a hat and SPF 50+
Coming From Overseas?
How January in Roma stacks up against major cities around the world.
About 26 degrees warmer and considerably wetter.
About 30 degrees warmer and considerably wetter.
About 24 degrees warmer and considerably wetter.
How January Compares
Roma's monthly climate at a glance. January is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 33.9 | 23.1 | 115mm | 3.2 |
| Feb | 32.4 | 21.9 | 54mm | 4.9 |
| Mar | 30.0 | 20.1 | 102mm | 5.8 |
| Apr | 24.7 | 13.9 | 76mm | 9.7 |
| May | 22.3 | 11.3 | 10mm | 9.2 |
| Jun | 18.6 | 6.8 | 16mm | 6.5 |
| Jul | 17.7 | 6.8 | 18mm | 5.9 |
| Aug | 24.2 | 11.3 | 28mm | 10.0 |
| Sep | 26.7 | 12.3 | 3mm | 9.5 |
| Oct | 30.7 | 16.8 | 29mm | 6.5 |
| Nov | 31.9 | 20.3 | 163mm | 4.3 |
| Dec | 32.6 | 20.9 | 66mm | 4.6 |