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Trecase climate by month
What the weather is like
Trecase has a hot-summer Mediterranean climate (Köppen Csa): dry, sunny summers and mild, wetter winters.
The warmest month is August, when afternoons average 31° and nights 21°. January is the coolest month, with highs of 13° and lows of 5°. The difference between the warmest and the coolest month is about 17°.
About 1,013 mm of precipitation falls in an average year. January is the wettest month (104 mm, 12 wet days) and July the driest (23 mm, 5 wet days). Cloud cover ranges from 7% in July to 34% in January.
The sea reaches about 26° in August. Sea temperatures lag the air by a month or two, so late summer is usually warmer for swimming than early summer.
Compared with Rome, the capital, Trecase is 1.7° cooler on a August afternoon and receives more precipitation over the year.
Year in figures
- Hottest afternoons
- 31° · August
- Coldest nights
- 5° · January
- Wettest month
- January
- Driest month
- July
- Clearest skies
- July · 7% cloud
- Warmest sea
- 26° · August
- Longest day
- 15 h 05 min
- Shortest day
- 9 h 16 min
Twelve months at a glance
Temperature and precipitation
Daily high/low range bars, monthly precipitation columns, sea temperature lineTemperature curve
Average high, low and seaDaylight
Hours between sunrise and sunset on the 15th of each monthClimate normals month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | 13° | 14° | 16° | 19° | 23° | 27° | 29° | 31° | 27° | 23° | 18° | 14° |
| Average low | 5° | 5° | 8° | 10° | 12° | 18° | 20° | 21° | 18° | 14° | 10° | 6° |
| Precipitation | 104 mm | 84 mm | 89 mm | 91 mm | 47 mm | 38 mm | 23 mm | 26 mm | 99 mm | 118 mm | 164 mm | 130 mm |
| Wet days (≥1 mm) | 12.1 | 10.5 | 10.5 | 10.4 | 8.7 | 6.3 | 5.3 | 5.5 | 9.8 | 9.8 | 12.1 | 12.1 |
| Cloud cover | 34% | 32% | 32% | 30% | 25% | 16% | 7% | 9% | 20% | 28% | 33% | 34% |
| Sea temperature | 15° | 14° | 14° | 16° | 19° | 23° | 25° | 26° | 24° | 22° | 19° | 17° |
| Daylight | 9h 34 | 10h 39 | 11h 54 | 13h 17 | 14h 26 | 15h 05 | 14h 49 | 13h 49 | 12h 30 | 11h 10 | 9h 56 | 9h 16 |
| Saharan dust haze | – | – | – | ● | ● | ● | ● | – | – | – | – | – |
| Month score | 45 | 52 | 65 | 75 | 79 | 75 | 69 | 63 | 69 | 77 | 70 | 51 |
Dust haze, monthly average 2015–2024: ● occasional, ●● frequent, ●●● very frequent