Siglufjörður Weather in May
Average highs run from 2°C on May 1 to 6°C on May 31, and lows from -2°C to 2°C. Normal precipitation for the month is 81 mm over about 16 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
- 3°C
- Average low
- 0°C
- Precipitation
- 81 mm
- Reanalysis high
- 12°CMay 31, 1992
- Reanalysis low
- -8°CMay 3, 1993
- Daylight
- 17 h 25 min to 21 h 37 min
- Cloud cover
- 80%
- Humidity
- 89%
- Dew point
- 0°C
- Wind
- 15.5 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 | 2°C | -2°C | 5°C 2007 | -6°C 2003 | 59% |
| May 2 | 2°C | -2°C | 5°C 2007 | -7°C 2013 | 61% |
| May 3 | 2°C | -2°C | 4°C 2017 | -8°C 1993 | 60% |
| May 4 | 2°C | -1°C | 4°C 2020 | -6°C 2015 | 60% |
| May 5 | 2°C | -1°C | 5°C 2017 | -7°C 1996 | 58% |
| May 6 | 2°C | -1°C | 5°C 2006 | -6°C 1997 | 59% |
| May 7 | 2°C | -1°C | 6°C 2008 | -6°C 2015 | 59% |
| May 8 | 2°C | -1°C | 5°C 2006 | -5°C 2015 | 58% |
| May 9 | 2°C | -1°C | 5°C 2006 | -6°C 1995 | 57% |
| May 10 | 2°C | -1°C | 7°C 2001 | -6°C 2015 | 55% |
| May 11 | 2°C | -1°C | 6°C 1996 | -6°C 2015 | 56% |
| May 12 | 2°C | -1°C | 7°C 2008 | -7°C 2002 | 54% |
| May 13 | 2°C | -1°C | 5°C 2019 | -6°C 1992 | 54% |
| May 14 | 3°C | -1°C | 7°C 2019 | -4°C 2012 | 53% |
| May 15 | 3°C | 0°C | 9°C 2003 | -5°C 1992 | 53% |
| May 16 | 3°C | 0°C | 10°C 2003 | -5°C 2002 | 53% |
| May 17 | 3°C | 0°C | 8°C 2019 | -5°C 2016 | 54% |
| May 18 | 3°C | 0°C | 10°C 2019 | -4°C 2012 | 54% |
| May 19 | 3°C | 0°C | 5°C 2019 | -5°C 2012 | 53% |
| May 20 | 3°C | 0°C | 6°C 2017 | -4°C 2004 | 54% |
| May 21 | 3°C | 0°C | 8°C 2019 | -4°C 2001 | 53% |
| May 22 | 4°C | 1°C | 7°C 2017 | -5°C 2001 | 52% |
| May 23 | 4°C | 1°C | 8°C 2003 | -2°C 2013 | 52% |
| May 24 | 4°C | 1°C | 9°C 2003 | -2°C 2006 | 52% |
| May 25 | 4°C | 1°C | 9°C 2003 | -3°C 2006 | 52% |
| May 26 | 5°C | 1°C | 9°C 1992 | -3°C 2006 | 52% |
| May 27 | 5°C | 1°C | 10°C 1992 | -2°C 2007 | 52% |
| May 28 | 5°C | 2°C | 11°C 1992 | -1°C 1999 | 51% |
| May 29 | 5°C | 2°C | 11°C 2018 | -3°C 2006 | 51% |
| May 30 | 5°C | 2°C | 11°C 1992 | -3°C 2000 | 49% |
| May 31 | 6°C | 2°C | 12°C 1992 | -3°C 2000 | 48% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT).
- May 1
- sunrise 4:32 AM, sunset 9:57 PM
- May 31
- sunrise 2:27 AM, sunset 12:04 AM
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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.