Jablonec nad Nisou Weather in May
Average highs run from 17°C on May 1 to 20°C on May 31, and lows from 6°C to 9°C. Normal precipitation for the month is 66 mm over about 14 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
- 18°C
- Average low
- 7°C
- Precipitation
- 66 mm
- Record high
- 30°CMay 30, 2005
- Record low
- -5°CMay 9, 1941
- Daylight
- 14 h 46 min to 16 h 09 min
- Cloud cover
- 69%
- Humidity
- 75%
- Dew point
- 8°C
- Wind
- 13.3 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 | 6°C | 27°C 2012 | -2°C 1976 | 39% |
| May 2 | 17°C | 6°C | 29°C 2012 | -2°C 2007 | 40% |
| May 3 | 17°C | 6°C | 26°C 2001 | -3°C 1941 | 41% |
| May 4 | 17°C | 6°C | 26°C 1977 | -3°C 2011 | 41% |
| May 5 | 17°C | 6°C | 26°C 2003 | -4°C 1980 | 42% |
| May 6 | 17°C | 6°C | 30°C 2003 | -3°C 2019 | 43% |
| May 7 | 17°C | 6°C | 26°C 2000 | -3°C 2019 | 43% |
| May 8 | 17°C | 6°C | 27°C 2003 | -2°C 1941 | 45% |
| May 9 | 17°C | 6°C | 25°C 1976 | -5°C 1941 | 44% |
| May 10 | 17°C | 6°C | 25°C 1976 | -2°C 2017 | 44% |
| May 11 | 17°C | 6°C | 27°C 2012 | -3°C 1978 | 42% |
| May 12 | 17°C | 7°C | 27°C 1998 | -1°C 1978 | 42% |
| May 13 | 18°C | 7°C | 25°C 1985 | -2°C 1941 | 42% |
| May 14 | 18°C | 7°C | 28°C 1985 | -1°C 2019 | 42% |
| May 15 | 18°C | 7°C | 28°C 1997 | -3°C 1980 | 44% |
| May 16 | 18°C | 7°C | 27°C 1997 | -2°C 1940 | 45% |
| May 17 | 18°C | 7°C | 28°C 1997 | -2°C 1941 | 44% |
| May 18 | 18°C | 7°C | 26°C 1997 | -1°C 2012 | 44% |
| May 19 | 18°C | 7°C | 27°C 1993 | 0°C 1943 | 44% |
| May 20 | 18°C | 8°C | 30°C 1979 | -1°C 1943 | 44% |
| May 21 | 18°C | 8°C | 29°C 1993 | -2°C 1943 | 44% |
| May 22 | 19°C | 8°C | 29°C 2007 | -1°C 1943 | 45% |
| May 23 | 19°C | 8°C | 27°C 2014 | -2°C 1980 | 44% |
| May 24 | 19°C | 8°C | 27°C 1979 | 0°C 2025 | 46% |
| May 25 | 19°C | 8°C | 28°C 2007 | 0°C 1997 | 46% |
| May 26 | 19°C | 9°C | 28°C 2009 | 0°C 1977 | 46% |
| May 27 | 19°C | 9°C | 29°C 2005 | -1°C 1977 | 47% |
| May 28 | 20°C | 9°C | 30°C 2005 | 0°C 1977 | 49% |
| May 29 | 20°C | 9°C | 30°C 2005 | -1°C 1990 | 49% |
| May 30 | 20°C | 9°C | 30°C 2005 | 2°C 2019 | 49% |
| May 31 | 20°C | 9°C | 29°C 1979 | 0°C 1943 | 48% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+2).
- May 1
- sunrise 5:34 AM, sunset 8:20 PM
- May 31
- sunrise 4:53 AM, sunset 9:02 PM
Other months
Sources
Records: NOAA GHCN-Daily, station EZM00011603, 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 2026-09-26. Sun and moon: computed with the NOAA solar equations and Meeus.