January 15° · ☂ 10 February 16° · ☂ 9 March 18° · ☂ 8 April 21° · ☂ 8 ★ May24° · ☂ 4 ★ June26° · ☂ 3 ★ July28° · ☂ 1 August 29° · ☂ 1 September 27° · ☂ 4 October 23° · ☂ 8 November 18° · ☂ 10 December 16° · ☂ 9 Lisbon in April:cool, occasional rain Lisbon, Portugal · Records from 2006 to 2025. Not a forecast.
Mean high 21° Hottest day 29.5° (2023)
Mean low 13° Coldest night 8° (2012)
Rain days 8 days 1-17 by year
Rainfall 73mm Daylight 12.6 → 13.8 h
Lisbon's 12 months i Best: May to July
1 2 3 4 5 6 7 8 9 10 11 12
Trip types Beach Poorcool sea Sightseeing on foot Goodmild
Sea temperature 16.3° 15.4-16.8° by year (last 6)
Sunrise / sunset (15th) 07:01 / 20:12 Daylight 12.6 → 13.8 h
Lisbon in April 25 April is the Carnation Revolution anniversary, a public holiday with marches and concerts in the city. At Easter many Portuguese go to their home towns, so parts of the city can feel emptier. Rain eases and days lengthen, marking the start of the best walking season.
Highs averaged 21°C and lows 13°C, an easy range for walking around all day. 8 rain days in a typical April: noticeable, but most days stayed dry. Year to year it swung widely, from 1 rain day in 2017 to 17 in 2018.
Not every year was typical: 2023 ran 2.8°C warmer than the mean, with highs of 23.4°C.
Hurricanes i Hurricanes: September and October
Date by date i Sun
Mon
Tue
Wed
Thu
Fri
Sat
Week
April 1 Thursday 1 rain in 5 of 20 yrs 5/20 19° 12° April 2 Friday 2 rain in 6 of 20 yrs 6/20 20° 12° April 3 Saturday 3 rain in 6 of 20 yrs 6/20 20° 12° 1-3 rain on 28% of days 20° 12°
April 4 Sunday 4 rain in 7 of 20 yrs 7/20 20° 12° April 5 Monday 5 rain in 4 of 20 yrs 4/20 20° 12° April 6 Tuesday 6 rain in 7 of 20 yrs 7/20 20° 12° April 7 Wednesday 7 rain in 3 of 20 yrs 3/20 20° 12° April 8 Thursday 8 rain in 5 of 20 yrs 5/20 21° 12° April 9 Friday 9 rain in 8 of 20 yrs 8/20 20° 13° April 10 Saturday 10 rain in 6 of 20 yrs 6/20 20° 12° 4-10 rain on 29% of days 20° 12°
April 11 Sunday 11 rain in 5 of 20 yrs 5/20 21° 13° April 12 Monday 12 rain in 5 of 20 yrs 5/20 21° 12° April 13 Tuesday 13 rain in 5 of 20 yrs 5/20 21° 13° April 14 Wednesday 14 rain in 8 of 20 yrs 8/20 21° 13° April 15 Thursday 15 rain in 9 of 20 yrs 9/20 20° 13° April 16 Friday 16 rain in 5 of 20 yrs 5/20 21° 13° April 17 Saturday 17 rain in 5 of 20 yrs 5/20 21° 13° 11-17 rain on 30% of days 21° 13°
April 18 Sunday 18 rain in 7 of 20 yrs 7/20 21° 13° April 19 Monday 19 rain in 4 of 20 yrs 4/20 20° 13° April 20 Tuesday 20 rain in 7 of 20 yrs 7/20 21° 13° April 21 Wednesday 21 rain in 9 of 20 yrs 9/20 20° 13° April 22 Thursday 22 rain in 5 of 20 yrs 5/20 21° 13° April 23 Friday 23 rain in 6 of 20 yrs 6/20 22° 13° April 24 Saturday 24 rain in 4 of 20 yrs 4/20 22° 13° 18-24 rain on 30% of days 21° 13°
April 25 Sunday 25 rain in 5 of 20 yrs 5/20 21° 13° April 26 Monday 26 rain in 5 of 20 yrs 5/20 21° 13° April 27 Tuesday 27 rain in 3 of 20 yrs 3/20 21° 13° April 28 Wednesday 28 rain in 3 of 20 yrs 3/20 21° 13° April 29 Thursday 29 rain in 4 of 20 yrs 4/20 20° 13° April 30 Friday 30 rain in 6 of 20 yrs 6/20 20° 13°
25-30 rain on 22% of days 21° 13°
1-3 rain on 28% of days 20° 12° 4-10 rain on 29% of days 20° 12° 11-17 rain on 30% of days 21° 13° 18-24 rain on 30% of days 21° 13° 25-30 rain on 22% of days 21° 13°
Sun
Mon
Tue
Wed
Thu
Fri
Sat
Week
April 1 Saturday 1 rain in 5 of 20 yrs 5/20 19° 12° April 1 rain on 25% of days 19° 12°
April 2 Sunday 2 rain in 6 of 20 yrs 6/20 20° 12° April 3 Monday 3 rain in 6 of 20 yrs 6/20 20° 12° April 4 Tuesday 4 rain in 7 of 20 yrs 7/20 20° 12° April 5 Wednesday 5 rain in 4 of 20 yrs 4/20 20° 12° April 6 Thursday 6 rain in 7 of 20 yrs 7/20 20° 12° April 7 Friday 7 rain in 3 of 20 yrs 3/20 20° 12° April 8 Saturday 8 rain in 5 of 20 yrs 5/20 21° 12° 2-8 rain on 27% of days 20° 12°
April 9 Sunday 9 rain in 8 of 20 yrs 8/20 20° 13° April 10 Monday 10 rain in 6 of 20 yrs 6/20 20° 12° April 11 Tuesday 11 rain in 5 of 20 yrs 5/20 21° 13° April 12 Wednesday 12 rain in 5 of 20 yrs 5/20 21° 12° April 13 Thursday 13 rain in 5 of 20 yrs 5/20 21° 13° April 14 Friday 14 rain in 8 of 20 yrs 8/20 21° 13° April 15 Saturday 15 rain in 9 of 20 yrs 9/20 20° 13° 9-15 rain on 33% of days 20° 13°
April 16 Sunday 16 rain in 5 of 20 yrs 5/20 21° 13° April 17 Monday 17 rain in 5 of 20 yrs 5/20 21° 13° April 18 Tuesday 18 rain in 7 of 20 yrs 7/20 21° 13° April 19 Wednesday 19 rain in 4 of 20 yrs 4/20 20° 13° April 20 Thursday 20 rain in 7 of 20 yrs 7/20 21° 13° April 21 Friday 21 rain in 9 of 20 yrs 9/20 20° 13° April 22 Saturday 22 rain in 5 of 20 yrs 5/20 21° 13° 16-22 rain on 30% of days 21° 13°
April 23 Sunday 23 rain in 6 of 20 yrs 6/20 22° 13° April 24 Monday 24 rain in 4 of 20 yrs 4/20 22° 13° April 25 Tuesday 25 rain in 5 of 20 yrs 5/20 21° 13° April 26 Wednesday 26 rain in 5 of 20 yrs 5/20 21° 13° April 27 Thursday 27 rain in 3 of 20 yrs 3/20 21° 13° April 28 Friday 28 rain in 3 of 20 yrs 3/20 21° 13° April 29 Saturday 29 rain in 4 of 20 yrs 4/20 20° 13° 23-29 rain on 21% of days 21° 13°
April 30 Sunday 30 rain in 6 of 20 yrs 6/20 20° 13°
April 30 rain on 30% of days 20° 13°
April 1 rain on 25% of days 19° 12° 2-8 rain on 27% of days 20° 12° 9-15 rain on 33% of days 20° 13° 16-22 rain on 30% of days 21° 13° 23-29 rain on 21% of days 21° 13° April 30 rain on 30% of days 20° 13°
Tap another date to change
2006 none
2007 none
2008 none
2009 7mm
2010 14mm
2011 none
2012 none
2013 none
2014 none
2015 1mm
2016 12mm
2017 none
2018 3mm
2019 1mm
2020 12mm
2021 8mm
2022 none
2023 none
2024 none
2025 12mm
Holidays in April (2027) 1 Local public holiday or break (busier, pricier)
Day by day temperature i 11° 18° 24° 31° 1 8 15 22 29 30
Your trip dates, the past 20 years Trip dates April 1 (Thu) 2 (Fri) 3 (Sat) 4 (Sun) 5 (Mon) 6 (Tue) 7 (Wed) 8 (Thu) 9 (Fri) 10 (Sat) 11 (Sun) 12 (Mon) 13 (Tue) 14 (Wed) 15 (Thu) 16 (Fri) 17 (Sat) 18 (Sun) 19 (Mon) 20 (Tue) 21 (Wed) 22 (Thu) 23 (Fri) 24 (Sat) 25 (Sun) 26 (Mon) 27 (Tue) 28 (Wed) 29 (Thu) 30 (Fri) ~ April 1 (Thu) 2 (Fri) 3 (Sat) 4 (Sun) 5 (Mon) 6 (Tue) 7 (Wed) 8 (Thu) 9 (Fri) 10 (Sat) 11 (Sun) 12 (Mon) 13 (Tue) 14 (Wed) 15 (Thu) 16 (Fri) 17 (Sat) 18 (Sun) 19 (Mon) 20 (Tue) 21 (Wed) 22 (Thu) 23 (Fri) 24 (Sat) 25 (Sun) 26 (Mon) 27 (Tue) 28 (Wed) 29 (Thu) 30 (Fri) 1-7 8-14 15-21 22-end Whole month
You can also click two dates on the axis. Hover a cell to see that day's rain. By year Driest trips first
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
Trip rain days Month rain days Tap a date to start, tap another to end. Each cell is that date in one year. '06 '07 '08 '09 '10 '11 '12 '13 '14 '15 '16 '17 '18 '19 '20 '21 '22 '23 '24 '25
of 20 Dates outside your trip are dimmed.
One row per year, one cell per day. 2017 had 1 rain day, 2018 had 17.
Lisbon through the year Month High Low Rain days Rainfall Sea January 15° 9° 10 days 91mm 16° February 16° 10° 9 days 83mm 15° March 18° 11° 8 days 90mm 15° April 21° 13° 8 days 73mm 16° May Good 24° 15° 4 days 45mm 17° June Good 26° 17° 3 days 15mm 18° July Good 28° 18° 1 day 2mm 18° August 29° 19° 1 day 4mm 18° September 27° 18° 4 days 36mm 19° October 23° 16° 8 days 98mm 18° November 18° 12° 10 days 132mm 18° December 16° 10° 9 days 102mm 16°
Common questions Does it rain a lot in Lisbon in April? Over the past 20 years April averaged 8 rain days (1 mm or more) out of 30. Individual years ran from 1 in the driest to 17 in the wettest.
What should I wear in Lisbon in April? Days averaged 21°C and nights 13°C. Pack a compact umbrella, a light layer for the evenings, and T-shirts.
Can you swim in Lisbon in April? Sea surface temperature averaged 16.3°C in April, too cold for most people without a wetsuit. Year to year it ranged 15.4-16.8°C. Check local flags for waves and jellyfish on the day.
Is April a good time to visit Lisbon? On warmth and rain days alone, Lisbon's easiest months were May to July. April ranked 7 of 12.
Previous month Lisbon in March Next month Lisbon in May Whole year Lisbon weather by month Where to go April By country Portugal: all cities this month Compare Compare with Barcelona Compare Compare with Porto