Castelo Weather in April
Average highs run from 27°C on April 1 to 26°C on April 30, and lows from 18°C to 16°C. Normal precipitation for the month is 81 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
- 27°C
- Average low
- 18°C
- Precipitation
- 81 mm
- Reanalysis high
- 34°CApr 27, 2016
- Reanalysis low
- 10°CApr 29, 2014
- Daylight
- 11 h 53 min to 11 h 22 min
- Cloud cover
- 57%
- Humidity
- 84%
- Dew point
- 18°C
- Wind
- 10.8 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 | 27°C | 18°C | 32°C 2001 | 14°C 2008 | 57% |
| Apr 2 | 27°C | 18°C | 32°C 2001 | 14°C 2008 | 58% |
| Apr 3 | 27°C | 18°C | 32°C 2001 | 15°C 1994 | 58% |
| Apr 4 | 27°C | 18°C | 32°C 2016 | 14°C 1994 | 59% |
| Apr 5 | 27°C | 18°C | 31°C 2019 | 12°C 1994 | 58% |
| Apr 6 | 27°C | 18°C | 32°C 2017 | 13°C 1994 | 57% |
| Apr 7 | 27°C | 18°C | 33°C 2001 | 14°C 2010 | 57% |
| Apr 8 | 27°C | 18°C | 33°C 2016 | 13°C 2010 | 56% |
| Apr 9 | 27°C | 18°C | 33°C 2016 | 14°C 2010 | 56% |
| Apr 10 | 27°C | 18°C | 33°C 2016 | 12°C 1997 | 55% |
| Apr 11 | 27°C | 18°C | 32°C 2016 | 12°C 1997 | 54% |
| Apr 12 | 27°C | 18°C | 32°C 2016 | 13°C 1997 | 53% |
| Apr 13 | 27°C | 18°C | 31°C 2016 | 14°C 1997 | 53% |
| Apr 14 | 27°C | 18°C | 32°C 2016 | 15°C 2015 | 52% |
| Apr 15 | 27°C | 18°C | 33°C 2016 | 14°C 1995 | 52% |
| Apr 16 | 26°C | 18°C | 33°C 2016 | 15°C 1995 | 52% |
| Apr 17 | 26°C | 18°C | 32°C 2017 | 14°C 1997 | 50% |
| Apr 18 | 26°C | 18°C | 31°C 2016 | 14°C 2013 | 49% |
| Apr 19 | 26°C | 17°C | 33°C 2015 | 14°C 2009 | 47% |
| Apr 20 | 26°C | 17°C | 32°C 2016 | 13°C 2009 | 48% |
| Apr 21 | 26°C | 17°C | 31°C 2001 | 13°C 1996 | 48% |
| Apr 22 | 26°C | 17°C | 32°C 2016 | 13°C 1996 | 46% |
| Apr 23 | 26°C | 17°C | 31°C 2016 | 14°C 2013 | 46% |
| Apr 24 | 26°C | 17°C | 31°C 2016 | 14°C 2013 | 45% |
| Apr 25 | 26°C | 17°C | 31°C 2016 | 13°C 2000 | 44% |
| Apr 26 | 26°C | 17°C | 33°C 2016 | 12°C 2000 | 42% |
| Apr 27 | 26°C | 17°C | 34°C 2016 | 12°C 1995 | 41% |
| Apr 28 | 26°C | 17°C | 31°C 2019 | 12°C 2014 | 40% |
| Apr 29 | 26°C | 17°C | 31°C 2001 | 10°C 2014 | 38% |
| Apr 30 | 26°C | 16°C | 30°C 1998 | 11°C 2014 | 37% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-3).
- April 1
- sunrise 5:52 AM, sunset 5:45 PM
- April 30
- sunrise 6:01 AM, sunset 5:23 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.