Vaasa Weather in April
Average highs run from 2°C on April 1 to 7°C on April 30, and lows from -2°C to 2°C. Normal precipitation for the month is 45 mm over about 9 wet days.
April day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
April at a glance
- Average high
- 5°C
- Average low
- 0°C
- Precipitation
- 45 mm
- Reanalysis high
- 15°CApr 30, 2008
- Reanalysis low
- -9°CApr 1, 1998
- Daylight
- 13 h 28 min to 16 h 30 min
- Cloud cover
- 65%
- Humidity
- 84%
- Dew point
- 0°C
- Wind
- 13.7 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 |
|---|---|---|---|---|---|
| Apr 1 | 2°C | -2°C | 5°C 2007 | -9°C 1998 | 33% |
| Apr 2 | 2°C | -2°C | 7°C 2008 | -7°C 1998 | 35% |
| Apr 3 | 3°C | -2°C | 7°C 2005 | -7°C 1998 | 36% |
| Apr 4 | 3°C | -2°C | 6°C 2005 | -6°C 1998 | 36% |
| Apr 5 | 3°C | -2°C | 9°C 1991 | -7°C 1998 | 35% |
| Apr 6 | 3°C | -2°C | 8°C 1991 | -5°C 1998 | 37% |
| Apr 7 | 3°C | -1°C | 8°C 2004 | -8°C 2003 | 37% |
| Apr 8 | 3°C | -1°C | 9°C 2004 | -8°C 2003 | 37% |
| Apr 9 | 3°C | -1°C | 7°C 2015 | -7°C 2003 | 36% |
| Apr 10 | 4°C | -1°C | 7°C 2015 | -5°C 1993 | 37% |
| Apr 11 | 4°C | -1°C | 7°C 2011 | -6°C 2013 | 38% |
| Apr 12 | 4°C | -1°C | 8°C 2015 | -6°C 1998 | 37% |
| Apr 13 | 4°C | -1°C | 8°C 2002 | -5°C 1998 | 36% |
| Apr 14 | 4°C | -1°C | 9°C 2007 | -5°C 2017 | 36% |
| Apr 15 | 4°C | 0°C | 11°C 2007 | -4°C 2017 | 35% |
| Apr 16 | 5°C | 0°C | 9°C 2018 | -4°C 2017 | 35% |
| Apr 17 | 5°C | 0°C | 8°C 2019 | -3°C 1992 | 34% |
| Apr 18 | 5°C | 0°C | 13°C 1999 | -4°C 1991 | 33% |
| Apr 19 | 5°C | 0°C | 14°C 2004 | -4°C 1991 | 34% |
| Apr 20 | 5°C | 0°C | 13°C 2004 | -4°C 1991 | 34% |
| Apr 21 | 6°C | 1°C | 10°C 2003 | -3°C 1991 | 32% |
| Apr 22 | 6°C | 1°C | 9°C 2019 | -2°C 1991 | 32% |
| Apr 23 | 6°C | 1°C | 12°C 1998 | -3°C 2003 | 30% |
| Apr 24 | 6°C | 1°C | 11°C 2019 | -4°C 2003 | 30% |
| Apr 25 | 6°C | 1°C | 15°C 2019 | -4°C 2003 | 30% |
| Apr 26 | 7°C | 1°C | 15°C 2019 | -4°C 2003 | 30% |
| Apr 27 | 7°C | 1°C | 13°C 2002 | -1°C 2003 | 30% |
| Apr 28 | 7°C | 1°C | 12°C 2006 | -1°C 1997 | 30% |
| Apr 29 | 7°C | 2°C | 12°C 2008 | -3°C 1996 | 30% |
| Apr 30 | 7°C | 2°C | 15°C 2008 | -2°C 1996 | 30% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+3).
- April 1
- sunrise 6:54 AM, sunset 8:22 PM
- April 30
- sunrise 5:17 AM, sunset 9:47 PM
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.