Iisalmi Weather in April
Average highs run from 0°C on April 1 to 9°C on April 30, and lows from -6°C to 1°C. Normal precipitation for the month is 54 mm over about 12 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
- 4°C
- Average low
- -3°C
- Precipitation
- 54 mm
- Reanalysis high
- 19°CApr 30, 1998
- Reanalysis low
- -20°CApr 1, 1998
- Daylight
- 13 h 30 min to 16 h 36 min
- Cloud cover
- 66%
- Humidity
- 91%
- Dew point
- -1°C
- Wind
- 9.4 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 | 0°C | -6°C | 8°C 2007 | -20°C 1998 | 39% |
| Apr 2 | 0°C | -6°C | 8°C 2007 | -16°C 1998 | 40% |
| Apr 3 | 0°C | -6°C | 1°C 1997 | -13°C 2012 | 41% |
| Apr 4 | 0°C | -5°C | 2°C 2016 | -15°C 1998 | 40% |
| Apr 5 | 0°C | -5°C | 3°C 2016 | -12°C 2002 | 38% |
| Apr 6 | 1°C | -5°C | 3°C 2014 | -15°C 1997 | 38% |
| Apr 7 | 1°C | -5°C | 7°C 2016 | -15°C 2012 | 38% |
| Apr 8 | 1°C | -5°C | 6°C 2020 | -12°C 1998 | 38% |
| Apr 9 | 1°C | -4°C | 7°C 2016 | -14°C 1998 | 38% |
| Apr 10 | 1°C | -4°C | 8°C 1991 | -15°C 1993 | 40% |
| Apr 11 | 2°C | -4°C | 11°C 1991 | -17°C 1998 | 40% |
| Apr 12 | 2°C | -4°C | 12°C 1991 | -13°C 1998 | 40% |
| Apr 13 | 2°C | -3°C | 14°C 1991 | -12°C 1998 | 40% |
| Apr 14 | 3°C | -3°C | 11°C 2007 | -11°C 1998 | 40% |
| Apr 15 | 3°C | -3°C | 15°C 2007 | -11°C 1993 | 39% |
| Apr 16 | 3°C | -3°C | 16°C 2007 | -9°C 1993 | 40% |
| Apr 17 | 4°C | -2°C | 11°C 2019 | -8°C 1992 | 40% |
| Apr 18 | 4°C | -2°C | 14°C 1999 | -10°C 1992 | 40% |
| Apr 19 | 5°C | -2°C | 13°C 2004 | -10°C 2017 | 41% |
| Apr 20 | 5°C | -2°C | 16°C 1999 | -8°C 2012 | 43% |
| Apr 21 | 6°C | -1°C | 17°C 2003 | -9°C 1992 | 44% |
| Apr 22 | 6°C | -1°C | 14°C 2002 | -7°C 1992 | 43% |
| Apr 23 | 7°C | -1°C | 17°C 2019 | -8°C 1992 | 43% |
| Apr 24 | 7°C | -1°C | 16°C 2019 | -7°C 1992 | 43% |
| Apr 25 | 7°C | 0°C | 18°C 2019 | -8°C 1992 | 43% |
| Apr 26 | 8°C | 0°C | 17°C 2019 | -5°C 2003 | 42% |
| Apr 27 | 8°C | 0°C | 15°C 2001 | -3°C 2003 | 42% |
| Apr 28 | 8°C | 0°C | 16°C 2001 | -3°C 1995 | 42% |
| Apr 29 | 9°C | 1°C | 15°C 1998 | -3°C 1997 | 42% |
| Apr 30 | 9°C | 1°C | 19°C 1998 | -3°C 1995 | 42% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+3).
- April 1
- sunrise 6:31 AM, sunset 8:01 PM
- April 30
- sunrise 4:52 AM, sunset 9:28 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.