Rovaniemi Weather in May
Average highs run from 5°C on May 1 to 13°C on May 31, and lows from -1°C to 5°C. Normal precipitation for the month is 68 mm over about 12 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
- 9°C
- Average low
- 2°C
- Precipitation
- 68 mm
- Reanalysis high
- 28°CMay 31, 2013
- Reanalysis low
- -9°CMay 1, 1995
- Daylight
- 17 h 30 min to 22 h 01 min
- Cloud cover
- 67%
- Humidity
- 83%
- Dew point
- 3°C
- Wind
- 8.3 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 | Reanalysis high | Reanalysis low | Chance wet |
|---|---|---|---|---|---|
| May 1 | 5°C | -1°C | 16°C 2008 | -9°C 1995 | 39% |
| May 2 | 5°C | -1°C | 16°C 2008 | -9°C 1995 | 41% |
| May 3 | 6°C | -1°C | 17°C 2008 | -5°C 1999 | 42% |
| May 4 | 6°C | -1°C | 18°C 2008 | -5°C 1997 | 43% |
| May 5 | 6°C | -1°C | 19°C 2006 | -4°C 1992 | 42% |
| May 6 | 7°C | -1°C | 20°C 2004 | -4°C 2008 | 43% |
| May 7 | 7°C | 0°C | 21°C 2006 | -5°C 2017 | 43% |
| May 8 | 7°C | 0°C | 20°C 2004 | -6°C 2017 | 43% |
| May 9 | 7°C | 0°C | 15°C 1994 | -6°C 1991 | 43% |
| May 10 | 8°C | 0°C | 15°C 2018 | -5°C 1995 | 44% |
| May 11 | 8°C | 0°C | 18°C 2018 | -4°C 2017 | 43% |
| May 12 | 9°C | 1°C | 23°C 2018 | -5°C 2017 | 44% |
| May 13 | 9°C | 1°C | 21°C 2018 | -4°C 1995 | 44% |
| May 14 | 9°C | 1°C | 21°C 2018 | -3°C 1995 | 43% |
| May 15 | 9°C | 1°C | 23°C 2010 | -4°C 1996 | 43% |
| May 16 | 10°C | 2°C | 22°C 2018 | -4°C 1999 | 44% |
| May 17 | 10°C | 2°C | 21°C 2010 | -4°C 1994 | 44% |
| May 18 | 10°C | 2°C | 21°C 2010 | -3°C 1991 | 43% |
| May 19 | 11°C | 2°C | 25°C 2010 | -3°C 1996 | 44% |
| May 20 | 11°C | 2°C | 23°C 2010 | -2°C 1996 | 44% |
| May 21 | 11°C | 3°C | 18°C 2018 | -2°C 1996 | 44% |
| May 22 | 11°C | 3°C | 20°C 2018 | -3°C 2001 | 44% |
| May 23 | 12°C | 3°C | 20°C 2014 | -2°C 2008 | 45% |
| May 24 | 12°C | 3°C | 19°C 1992 | -2°C 2001 | 46% |
| May 25 | 12°C | 3°C | 19°C 2018 | -2°C 2002 | 45% |
| May 26 | 12°C | 4°C | 18°C 2020 | -1°C 2017 | 45% |
| May 27 | 12°C | 4°C | 20°C 2013 | -2°C 2017 | 44% |
| May 28 | 13°C | 4°C | 24°C 2013 | -2°C 1993 | 44% |
| May 29 | 13°C | 4°C | 23°C 2013 | -1°C 1998 | 46% |
| May 30 | 13°C | 4°C | 27°C 2013 | -3°C 2017 | 47% |
| May 31 | 13°C | 5°C | 28°C 2013 | -2°C 1996 | 46% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+3).
- May 1
- sunrise 4:31 AM, sunset 10:01 PM
- May 31
- sunrise 2:17 AM, sunset 12:18 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.