Fortezza Weather in May
Average highs run from 9°C on May 1 to 13°C on May 31, and lows from -1°C to 3°C. Normal precipitation for the month is 118 mm over about 21 wet days.
May day by day
The normal high and low for each date, and the record, in °C.
- Normal low
- Normal high
- Record high
- Record low
May at a glance
- Average high
- 11°C
- Average low
- 0°C
- Precipitation
- 118 mm
- Record high
- 30°CMay 28, 1985
- Record low
- -12°CMay 4, 1979
- Daylight
- 14 h 24 min to 15 h 35 min
- Cloud cover
- 72%
- Humidity
- 80%
- Dew point
- 2°C
- Wind
- 5.8 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 | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| May 1 | 9°C | -1°C | 24°C 2025 | -4°C 1984 | 62% |
| May 2 | 9°C | -1°C | 24°C 2025 | -5°C 1992 | 64% |
| May 3 | 10°C | -1°C | 21°C 2025 | -1°C 1975 | 64% |
| May 4 | 10°C | -1°C | 21°C 1978 | -12°C 1979 | 64% |
| May 5 | 10°C | -1°C | 23°C 2003 | -2°C 2011 | 65% |
| May 6 | 10°C | 0°C | 24°C 2003 | -8°C 1979 | 66% |
| May 7 | 10°C | 0°C | 22°C 1976 | -4°C 2019 | 67% |
| May 8 | 10°C | 0°C | 24°C 2003 | -2°C 1991 | 66% |
| May 9 | 10°C | 0°C | 22°C 2020 | -2°C 1979 | 66% |
| May 10 | 10°C | 0°C | 24°C 2012 | -2°C 1979 | 66% |
| May 11 | 10°C | 0°C | 26°C 2012 | -1°C 1979 | 65% |
| May 12 | 11°C | 0°C | 24°C 2022 | -4°C 1978 | 65% |
| May 13 | 11°C | 0°C | 24°C 2015 | -1°C 1991 | 65% |
| May 14 | 11°C | 0°C | 22°C 1986 | -2°C 1987 | 65% |
| May 15 | 11°C | 0°C | 22°C 1992 | 0°C 1979 | 67% |
| May 16 | 11°C | 0°C | 23°C 2002 | -2°C 2025 | 68% |
| May 17 | 11°C | 0°C | 23°C 2009 | -1°C 1987 | 67% |
| May 18 | 11°C | 1°C | 24°C 2002 | -2°C 2023 | 68% |
| May 19 | 11°C | 1°C | 26°C 1986 | -1°C 1991 | 66% |
| May 20 | 11°C | 1°C | 27°C 2022 | -1°C 1991 | 66% |
| May 21 | 12°C | 1°C | 24°C 1986 | 0°C 1991 | 67% |
| May 22 | 12°C | 1°C | 27°C 1977 | -2°C 1987 | 65% |
| May 23 | 12°C | 1°C | 27°C 2009 | -2°C 1987 | 66% |
| May 24 | 12°C | 1°C | 27°C 2009 | -2°C 2004 | 66% |
| May 25 | 12°C | 1°C | 29°C 2009 | -4°C 1991 | 66% |
| May 26 | 12°C | 2°C | 26°C 2009 | 0°C 1987 | 66% |
| May 27 | 13°C | 2°C | 25°C 2008 | 1°C 2020 | 68% |
| May 28 | 13°C | 2°C | 30°C 1985 | -4°C 1991 | 69% |
| May 29 | 13°C | 2°C | 27°C 2001 | -1°C 1991 | 70% |
| May 30 | 13°C | 2°C | 27°C 2001 | -3°C 1990 | 71% |
| May 31 | 13°C | 3°C | 28°C 2025 | -1°C 2006 | 71% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+2).
- May 1
- sunrise 5:59 AM, sunset 8:23 PM
- May 31
- sunrise 5:24 AM, sunset 8:59 PM
Other months
Sources
Records: NOAA GHCN-Daily, station ITM00016033, every year on file, quality-flagged values removed. 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 2026-09-27. Sun and moon: computed with the NOAA solar equations and Meeus.