L’Osservatorio Meteorologico di San Marcellino - Napoli centro: i dati dell’anno 2024.

The analysis of all meteorological parameters of the year 2024 shows that: • The monthly mean pressure ranges between 1014.6 hPa of August and 1020.1 hPa of December, with an annual mean of 1017.4 hPa, with a daily absolute minimum of 994.0 hPa measured on 6 January at 22:50 and with a daily absolute maximum of 1032.3 hPa measured on 27 November at 10:00. • The monthly mean air temperature ranges from 12.2°C of December and 29.4°C of August, with an annual mean of 19.5°C, with a daily absolute minimum of 5.8°C measured on 21 January at 03:30 and with a daily absolute maximum of 37.3°C measured on 30 July at 15:50. • The monthly mean relative humidity ranges from 65.7% of August and of 77.6 % of October, with an annual mean of 70.4%, with a daily absolute minimum of 23.6% measured on 30 July at 15:00 and with a daily absolute maximum of 94% measured on 8 January at 08:30. • The mean monthly global solar radiation ranges between 195.9 W/m2 of December and 467.1 W/m2 of July, with an annual mean of 331.4 W/m2 and with a daily absolute maximum of 1287.0 W/m2 measured on 20 April at 13:50. • The mean monthly UV Index ranges from 1.3 of December to 6.5 of July, with an annual average of 4.1 and with an daily absolute maximum of 8.3 measured on 31 May at 12.30. • The monthly mean wind intensity ranges between 1.7 m/s of September and 2.3 m/s of March, with an annual mean of 2.0 m/s and with most intense daily gust of 23.2 m/s measured on 8 December at 04:10. • The wind direction shows a mode from the North-East in January, from North in February, November, December, from South in June and from South-West in March, April, May, July, August, September. • The monthly cumulative rainfall ranges from 6.2 mm of June to 129.0 mm of January, with a cumulative annual value of 815.6 mm and with a daily absolute maximum of 37.2 mm measured on 19 October.