La Chaux-de-Fonds Weather in May
Average highs run from 17°C on May 1 to 21°C on May 31, and lows from 7°C to 10°C. Normal precipitation for the month is 86 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
- 19°C
- Average low
- 8°C
- Precipitation
- 86 mm
- Record high
- 32°CMay 24, 2009
- Record low
- -3°CMay 4, 1967
- Daylight
- 14 h 26 min to 15 h 37 min
- Cloud cover
- 70%
- Humidity
- 80%
- Dew point
- 8°C
- Wind
- 12.2 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 | 7°C | 26°C 2005 | -1°C 1976 | 54% |
| May 2 | 17°C | 6°C | 27°C 2025 | 1°C 1976 | 56% |
| May 3 | 17°C | 7°C | 24°C 1997 | -1°C 1979 | 57% |
| May 4 | 17°C | 7°C | 24°C 2023 | -3°C 1967 | 58% |
| May 5 | 17°C | 7°C | 25°C 1995 | -2°C 1979 | 59% |
| May 6 | 18°C | 7°C | 26°C 1995 | -1°C 2019 | 59% |
| May 7 | 19°C | 6°C | 26°C 2003 | -2°C 2019 | 59% |
| May 8 | 19°C | 8°C | 27°C 1976 | 0°C 1968 | 58% |
| May 9 | 19°C | 8°C | 26°C 1971 | 2°C 1970 | 57% |
| May 10 | 20°C | 8°C | 26°C 2000 | 1°C 2017 | 56% |
| May 11 | 20°C | 8°C | 28°C 2012 | 0°C 1982 | 57% |
| May 12 | 18°C | 8°C | 28°C 1998 | 0°C 1974 | 56% |
| May 13 | 19°C | 8°C | 29°C 2015 | 0°C 1972 | 56% |
| May 14 | 18°C | 8°C | 27°C 1992 | 1°C 1995 | 56% |
| May 15 | 17°C | 7°C | 28°C 1992 | -2°C 1995 | 57% |
| May 16 | 19°C | 7°C | 28°C 2000 | 1°C 2012 | 56% |
| May 17 | 19°C | 8°C | 27°C 2017 | -1°C 2012 | 54% |
| May 18 | 19°C | 8°C | 28°C 2022 | 1°C 1972 | 54% |
| May 19 | 19°C | 8°C | 28°C 2022 | 1°C 1968 | 53% |
| May 20 | 19°C | 8°C | 30°C 2022 | 1°C 1969 | 52% |
| May 21 | 20°C | 8°C | 28°C 2022 | 2°C 1969 | 52% |
| May 22 | 20°C | 8°C | 27°C 2020 | 2°C 1965 | 51% |
| May 23 | 20°C | 8°C | 29°C 2026 | 0°C 1968 | 51% |
| May 24 | 22°C | 9°C | 32°C 2009 | 3°C 1970 | 52% |
| May 25 | 22°C | 9°C | 31°C 2009 | 2°C 2004 | 52% |
| May 26 | 22°C | 10°C | 30°C 2026 | 3°C 1974 | 51% |
| May 27 | 21°C | 10°C | 30°C 2026 | 3°C 2013 | 53% |
| May 28 | 21°C | 10°C | 29°C 2005 | 3°C 1976 | 53% |
| May 29 | 21°C | 9°C | 29°C 2001 | 4°C 1966 | 54% |
| May 30 | 22°C | 9°C | 30°C 2001 | 2°C 2007 | 55% |
| May 31 | 21°C | 10°C | 30°C 2025 | 2°C 1980 | 57% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+2).
- May 1
- sunrise 6:17 AM, sunset 8:43 PM
- May 31
- sunrise 5:42 AM, sunset 9:19 PM
Other months
Sources
Records: NOAA GHCN-Daily, station SZE00116090, 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.