Seynod Weather in May
Average highs run from 17°C on May 1 to 22°C on May 31, and lows from 8°C to 11°C. Normal precipitation for the month is 77 mm over about 16 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
- 20°C
- Average low
- 9°C
- Precipitation
- 77 mm
- Record high
- 34°CMay 24, 2009
- Record low
- -2°CMay 8, 1957
- Daylight
- 14 h 20 min to 15 h 28 min
- Cloud cover
- 72%
- Humidity
- 76%
- Dew point
- 8°C
- Wind
- 9.0 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 | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| May 1 | 17°C | 8°C | 28°C 2005 | -1°C 1976 | 52% |
| May 2 | 18°C | 8°C | 26°C 2025 | -2°C 1962 | 54% |
| May 3 | 18°C | 8°C | 25°C 1997 | -2°C 1979 | 55% |
| May 4 | 18°C | 8°C | 25°C 2006 | -1°C 1967 | 55% |
| May 5 | 18°C | 8°C | 25°C 2003 | -1°C 1991 | 56% |
| May 6 | 18°C | 8°C | 27°C 1995 | 0°C 1979 | 56% |
| May 7 | 20°C | 8°C | 27°C 1976 | -1°C 1979 | 56% |
| May 8 | 20°C | 9°C | 28°C 1962 | -2°C 1957 | 55% |
| May 9 | 20°C | 9°C | 28°C 2021 | -1°C 1957 | 54% |
| May 10 | 21°C | 9°C | 29°C 2012 | 1°C 1982 | 52% |
| May 11 | 20°C | 9°C | 30°C 2012 | 2°C 1980 | 52% |
| May 12 | 19°C | 10°C | 29°C 2015 | 2°C 1973 | 52% |
| May 13 | 19°C | 9°C | 30°C 2015 | 1°C 1972 | 51% |
| May 14 | 19°C | 9°C | 27°C 1992 | 1°C 1987 | 52% |
| May 15 | 19°C | 8°C | 29°C 1992 | 0°C 1995 | 53% |
| May 16 | 20°C | 8°C | 28°C 2000 | 2°C 2016 | 51% |
| May 17 | 20°C | 9°C | 28°C 2017 | 1°C 1987 | 50% |
| May 18 | 20°C | 10°C | 29°C 1986 | 1°C 1972 | 49% |
| May 19 | 20°C | 9°C | 28°C 2022 | 2°C 1968 | 48% |
| May 20 | 20°C | 9°C | 32°C 2022 | 0°C 1955 | 47% |
| May 21 | 21°C | 10°C | 31°C 2022 | 1°C 1987 | 46% |
| May 22 | 21°C | 10°C | 29°C 2020 | 1°C 1961 | 45% |
| May 23 | 21°C | 10°C | 30°C 2022 | -1°C 1968 | 45% |
| May 24 | 23°C | 10°C | 34°C 2009 | 2°C 1955 | 46% |
| May 25 | 23°C | 11°C | 32°C 2009 | 4°C 1980 | 46% |
| May 26 | 22°C | 11°C | 30°C 2026 | 0°C 1962 | 46% |
| May 27 | 22°C | 11°C | 31°C 2026 | 2°C 2013 | 48% |
| May 28 | 22°C | 11°C | 31°C 2017 | 2°C 1983 | 48% |
| May 29 | 22°C | 11°C | 31°C 2017 | 2°C 1971 | 50% |
| May 30 | 23°C | 11°C | 31°C 2001 | 1°C 1961 | 51% |
| May 31 | 22°C | 11°C | 30°C 2025 | 1°C 1980 | 54% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+2).
- May 1
- sunrise 6:23 AM, sunset 8:43 PM
- May 31
- sunrise 5:50 AM, sunset 9:18 PM
Other months
Sources
Records: NOAA GHCN-Daily, station SZ000008440, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: 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.