Oeiras Weather in April
Average highs run from 31°C on April 1 to 33°C on April 30, and lows from 22°C to 22°C. Normal precipitation for the month is 96 mm over about 15 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
- 32°C
- Average low
- 22°C
- Precipitation
- 96 mm
- Reanalysis high
- 40°CApr 20, 1998
- Reanalysis low
- 17°CApr 22, 1995
- Daylight
- 12 h 02 min to 11 h 52 min
- Cloud cover
- 68%
- Humidity
- 73%
- Dew point
- 21°C
- Wind
- 10.4 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 | 31°C | 22°C | 37°C 2012 | 20°C 2013 | 64% |
| Apr 2 | 31°C | 22°C | 37°C 2012 | 19°C 2013 | 63% |
| Apr 3 | 31°C | 22°C | 36°C 2007 | 19°C 1997 | 62% |
| Apr 4 | 31°C | 22°C | 35°C 2013 | 20°C 1996 | 60% |
| Apr 5 | 31°C | 22°C | 37°C 2012 | 20°C 1996 | 60% |
| Apr 6 | 31°C | 22°C | 39°C 2012 | 20°C 1991 | 60% |
| Apr 7 | 31°C | 22°C | 37°C 1998 | 20°C 1991 | 58% |
| Apr 8 | 31°C | 22°C | 36°C 1998 | 21°C 2011 | 57% |
| Apr 9 | 31°C | 22°C | 38°C 2007 | 21°C 2005 | 56% |
| Apr 10 | 31°C | 22°C | 37°C 2013 | 20°C 1991 | 55% |
| Apr 11 | 31°C | 22°C | 37°C 2012 | 19°C 2018 | 55% |
| Apr 12 | 31°C | 22°C | 37°C 2012 | 19°C 2008 | 54% |
| Apr 13 | 32°C | 22°C | 38°C 2012 | 20°C 1991 | 54% |
| Apr 14 | 32°C | 22°C | 38°C 2012 | 20°C 1994 | 53% |
| Apr 15 | 32°C | 22°C | 37°C 1998 | 19°C 1994 | 52% |
| Apr 16 | 32°C | 22°C | 36°C 2016 | 20°C 2008 | 50% |
| Apr 17 | 32°C | 22°C | 38°C 2016 | 20°C 2003 | 48% |
| Apr 18 | 32°C | 22°C | 38°C 2016 | 19°C 2008 | 47% |
| Apr 19 | 32°C | 22°C | 38°C 1998 | 20°C 2008 | 47% |
| Apr 20 | 32°C | 22°C | 40°C 1998 | 20°C 2002 | 45% |
| Apr 21 | 32°C | 22°C | 38°C 2016 | 20°C 2004 | 43% |
| Apr 22 | 32°C | 22°C | 38°C 1998 | 17°C 1995 | 42% |
| Apr 23 | 32°C | 22°C | 39°C 1998 | 20°C 1994 | 42% |
| Apr 24 | 32°C | 22°C | 38°C 2016 | 19°C 1994 | 41% |
| Apr 25 | 32°C | 22°C | 38°C 1998 | 19°C 2003 | 41% |
| Apr 26 | 32°C | 22°C | 39°C 1998 | 20°C 2020 | 40% |
| Apr 27 | 33°C | 22°C | 38°C 2012 | 19°C 1996 | 38% |
| Apr 28 | 33°C | 22°C | 38°C 1998 | 20°C 2004 | 37% |
| Apr 29 | 33°C | 22°C | 39°C 2016 | 20°C 2002 | 36% |
| Apr 30 | 33°C | 22°C | 38°C 2016 | 20°C 2000 | 35% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-3).
- April 1
- sunrise 5:51 AM, sunset 5:53 PM
- April 30
- sunrise 5:50 AM, sunset 5:42 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.