Siracusa Weather in May

NASA POWER reanalysis for the half-degree grid cell around Siracusa, 1991-2020; a grid cell is an area average and can differ from a thermometer in town by several degrees

Average highs run from 18°C on May 1 to 22°C on May 31, and lows from 17°C to 20°C. Normal precipitation for the month is 19 mm over about 6 wet days.

May day by day

The normal high and low for each date, in °C.

Normal low
Normal high
Reanalysis extreme high
Reanalysis extreme low

May at a glance

Average high: 20°C
Average low: 18°C
Precipitation: 19 mm
Reanalysis high: 26°CMay 26, 1994
Reanalysis low: 13°CMay 2, 1992
Daylight: 13 h 43 min to 14 h 31 min
Cloud cover: 42%
Humidity: 80%
Dew point: 15°C
Wind: 14.0 km/h

Every day of the month

A wet day has at least 1 mm of precipitation in the reanalysis.

Date	Normal high	Normal low	Reanalysis high	Reanalysis low	Chance wet
May 1	18°C	17°C	22°C 2020	15°C 1992	21%
May 2	18°C	17°C	22°C 2020	13°C 1992	22%
May 3	18°C	17°C	21°C 2020	15°C 2014	21%
May 4	19°C	17°C	21°C 1999	16°C 2016	19%
May 5	19°C	17°C	22°C 2012	16°C 1995	19%
May 6	19°C	17°C	23°C 2015	14°C 2019	19%
May 7	19°C	17°C	23°C 2015	14°C 1991	19%
May 8	19°C	17°C	22°C 2003	15°C 1991	19%
May 9	19°C	17°C	22°C 2003	15°C 1997	19%
May 10	19°C	17°C	21°C 2003	15°C 2004	18%
May 11	19°C	18°C	23°C 2013	16°C 1991	18%
May 12	19°C	18°C	22°C 2014	16°C 2004	17%
May 13	20°C	18°C	23°C 2010	14°C 1996	17%
May 14	20°C	18°C	23°C 2015	15°C 1995	17%
May 15	20°C	18°C	22°C 2007	15°C 1995	17%
May 16	20°C	18°C	22°C 1999	16°C 2019	16%
May 17	20°C	18°C	22°C 2020	15°C 1991	17%
May 18	20°C	18°C	22°C 2000	15°C 1991	17%
May 19	20°C	18°C	22°C 1997	15°C 1991	17%
May 20	20°C	19°C	23°C 1997	16°C 1991	16%
May 21	20°C	19°C	23°C 1997	17°C 1991	16%
May 22	20°C	19°C	25°C 2006	17°C 1991	16%
May 23	21°C	19°C	23°C 1994	17°C 2015	15%
May 24	21°C	19°C	23°C 1994	17°C 2013	14%
May 25	21°C	19°C	24°C 1994	16°C 1991	15%
May 26	21°C	19°C	26°C 1994	17°C 1991	14%
May 27	21°C	19°C	24°C 1994	17°C 1991	14%
May 28	21°C	20°C	24°C 2011	17°C 1991	13%
May 29	21°C	20°C	23°C 2006	17°C 2019	13%
May 30	21°C	20°C	24°C 2006	18°C 1991	13%
May 31	22°C	20°C	24°C 2001	17°C 2013	13%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+2).

May 1: sunrise 6:05 AM, sunset 7:48 PM
May 31: sunrise 5:41 AM, sunset 8:12 PM

Every day of May: sun and moon

Other months

Sources

Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.