Porto in June
In June, Porto has 37.6 mm (1.48 in) of rain, a daily high of 24.8 °C (76.6 °F) and a daily low of 15.2 °C (59.4 °F), as 1991-2020 model estimates; figures in brackets are converted. The daily high is a model estimate, adjusted against station records.
Last updated : first sourced version.
Best time to visit Porto: June meets our rule. Expect 4.6 rain days (model estimate).
What June is like in Porto
- In June, small potted plants called manjericos are sold all over Porto for the São João festival. The city's nurseries grow about five thousand a year. Source: Câmara Municipal do Porto (Porto city council), checked .
- At the stroke of midnight, as São João begins on 24 June, fireworks light up the Douro River. They go up downstream of the Luiz I Bridge. Source: Câmara Municipal do Porto (Porto city council), checked .
- For São João in June, grills go out into the street in Fontaínhas and Caldeireiros. They turn out grilled sardines with broa bread and peppers. Source: Visit Porto (Porto tourism association), checked .
- In June, the bathing season opens in Porto. Blue Flags fly over the beaches of Foz, Gondarém and Homem do Leme. Source: Câmara Municipal do Porto (Porto city council), checked .
Key figures
Weather in June, 1991-2020 model estimates
- Daily high
- 24.8 °C (76.6 °F)
- Daily low
- 15.2 °C (59.4 °F)
- Rain
- 37.6 mm (1.48 in) in the month
- Sunshine
- no data
Model estimate 1991-2020, not a weather station: ERA5-Land model estimates (Copernicus), computed by City by Month for the grid cell nearest the city. Daily high and Days with rain: model estimate, adjusted against station records. Licence: CC BY 4.0. Checked . How we make and test model estimates
Model estimate for the ERA5-Land grid cell at 41.1° N, 8.6° W, 6 km from the city centre point.
How we define and convert these figures
Notes. Sunshine: Not in our ERA5-Land estimates.
Daylight on 15 June 2026
- Sunrise
- 06:01 local time
- Sunset
- 21:09 local time
- Day length
- 15 h 08 min
Day length 1-30 June: 14 h 57 min to 15 h 06 min, +9 min.
Source: NOAA Solar Calculator equations, checked .
Month by month
Each month: daily high in °C, then rain in mm, 1991-2020 model estimates.
ERA5-Land model estimates 1991-2020, as above, checked .
This month against the year
| Measure | June | Rank |
|---|---|---|
| Daily high | 24.8 °C | 4th warmest |
| Daily low | 15.2 °C | 4th warmest |
| Rain | 37.6 mm | 3rd driest |
| Sunshine | no data | no data |
| Day length | 15 h 08 min | longest |
Equal values share a rank. How we rank months
Porto in June, on average: 4.6 rain days (1 mm or more). Model estimate, adjusted against station records.
ERA5-Land model estimates 1991-2020, as above, checked .
Day length: NOAA solar equations, checked .
Public holidays this month
| Date | Holiday |
|---|---|
| Thursday | Corpus Christi |
| Wednesday | Day of Portugal, Camões, and the Portuguese Communities |
| Wednesday | Saint John's Day (Porto city holiday; optional under the labour code, art. 235) gov.pt |
Typed from the official list and re-checked, .
June 2027: no data. No official page gives the 2027 Easter and Corpus Christi dates yet.
English names are from the holidays library where the official list gives none. How we check holidays
Source: Official public holiday list (dgaj.justica.gov.pt), checked ; holidays Python library, checked . Library: holidays 0.105.
Same month in 8 model-estimate cities
Porto is warmer than 2 of our 8 model-estimate cities in June by mean daily high. How we rank cities
Closest high and low in June: Lisbon (1.3 °C apart), Istanbul (2.2), Sydney (5.6).
| City | Gap from Porto, °C | High, °C | Low, °C | Rain, mm | Sunshine, hours |
|---|---|---|---|---|---|
| Porto (this page) | — | 24.8 | 15.2 | 37.6 | no data |
| Lisbon (closest) | 1.3 | 25.5 | 17.0 | 12.9 | no data |
| Istanbul (closest) | 2.2 | 26.3 | 18.1 | 36.6 | no data |
| Sydney (closest) | 5.6 | 18.2 | 10.7 | 88.9 | no data |
| Melbourne | 9.0 | 14.9 | 7.2 | 56.6 | no data |
| Mumbai | 9.0 | 31.4 | 26.5 | no data | no data |
| Bangkok | 10.0 | 33.7 | 26.3 | no data | no data |
| Delhi | 13.8 | 39.8 | 27.8 | no data | no data |
Sources (1991-2020): ERA5-Land model estimates, checked . Each city's page names its grid cell. All sources in full on Methodology.
Sources
- Attribution: Copernicus Climate Change Service (2025): ERA5 Land hourly time-series data from 1950 to present. Copernicus Climate Change Service (C3S) Climate Data Store (CDS). DOI: 10.24381/ee82e357. Accessed on the check date shown. Generated using or contains modified Copernicus Climate Change Service information 2025. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains. Licence: CC BY 4.0. Checked .
- NOAA Solar Calculator equations, computed locally, NOAA Global Monitoring Laboratory (method); City by Month (computation). Attribution: Computed with the NOAA Solar Calculator method (no NOAA endorsement implied). Licence: Method, not data. Checked .
- holidays Python library, run locally. Attribution: holidays library, Vacanza team. Licence: MIT. Checked .
Official sources
Cite this page: City by Month. "Porto in June: weather, daylight, holidays". https://citybymonth.com/cities/portugal/porto/june/. Last updated 8 November 2026.