🇵🇹 Weather in Lagos in May
This is what the weather in Lagos (Algarve, Portugal) was like in May in 2017–2026.
Key facts at a glance
Avg. daytime high
20.2 °C
18.2 °C – 20.9 °C
Avg. night-time low
15.9 °C
14.4 °C – 16.6 °C
Avg. rain days in period
4.0
13 % of days · ≥ 1.0 mm
Avg. precipitation in period
29.2 mm
2.1 mm – 118 mm
Avg. cloud cover
30 %
This data source has no sunshine hours – average cloud cover shown instead.
Avg. sea temperature
–
Sea temperature unavailable for today (daily limit).
Extremes: Highest temperature 26.6 °C (30 May 2026) · Lowest temperature 11.7 °C (1 May 2018) · Avg. daily peak wind 26 km/h
Weather mix of all days
- 177Sunny
- 77Partly cloudy
- 16Cloudy
- 23Light rain
- 17Rain
Summary
- On average 20.2 °C during the day and 15.9 °C at night.
- On average 4.0 rain days (Rain day = at least 1.0 mm of precipitation) with 29.2 mm of precipitation in total.
- Prevailing: Sunny.
- Warmest year: 2023 (avg. 20.9 °C), coolest: 2018 (avg. 18.2 °C).
- Wettest year: 2020 (118 mm), driest: 2019 (2.1 mm).
- Extremes: 26.6 °C on 30 May 2026 and 11.7 °C on 1 May 2018.
Overall values from all 10 years. How is this calculated?
Charts
Temperatures per year
Average over your travel period
Precipitation & rain days
Year by year
2026
Avg. max20.3°Avg. min16.3°- Rain days
- 5 Rain days
- Precipitation
- 24.8 mm
- Avg. cloud cover
- 29 % cloudy
- Sea temperature
- –
Max 26.6 °C · Min 13.8 °C
2025
Avg. max20.3°Avg. min16.1°- Rain days
- 4 Rain days
- Precipitation
- 15.9 mm
- Avg. cloud cover
- 24 % cloudy
- Sea temperature
- –
Max 25.7 °C · Min 14.0 °C
2024
Avg. max20.0°Avg. min15.3°- Rain days
- 2 Rain days
- Precipitation
- 3.7 mm
- Avg. cloud cover
- 24 % cloudy
- Sea temperature
- –
Max 26.6 °C · Min 13.1 °C
2023
Avg. max20.9°Avg. min16.3°- Rain days
- 3 Rain days
- Precipitation
- 13.3 mm
- Avg. cloud cover
- 28 % cloudy
- Sea temperature
- –
Max 24.5 °C · Min 14.2 °C
2022
Avg. max20.8°Avg. min16.4°- Rain days
- 3 Rain days
- Precipitation
- 9.4 mm
- Avg. cloud cover
- 34 % cloudy
- Sea temperature
- –
Max 24.0 °C · Min 13.9 °C
2021
Avg. max20.0°Avg. min15.1°- Rain days
- 3 Rain days
- Precipitation
- 18.8 mm
- Avg. cloud cover
- 25 % cloudy
- Sea temperature
- –
Max 24.0 °C · Min 12.8 °C
2020
Avg. max20.6°Avg. min16.6°- Rain days
- 8 Rain days
- Precipitation
- 118 mm
- Avg. cloud cover
- 33 % cloudy
- Sea temperature
- –
Max 26.3 °C · Min 14.4 °C
2019
Avg. max20.8°Avg. min15.8°- Rain days
- 1 Rain days
- Precipitation
- 2.1 mm
- Avg. cloud cover
- 26 % cloudy
- Sea temperature
- –
Max 25.3 °C · Min 14.1 °C
2018
Avg. max18.2°Avg. min14.4°- Rain days
- 6 Rain days
- Precipitation
- 36.2 mm
- Avg. cloud cover
- 37 % cloudy
- Sea temperature
- –
Max 22.3 °C · Min 11.7 °C
2017
Avg. max20.5°Avg. min16.6°- Rain days
- 5 Rain days
- Precipitation
- 49.8 mm
- Avg. cloud cover
- 37 % cloudy
- Sea temperature
- –
Max 24.5 °C · Min 12.8 °C
Frequently asked questions
- How warm is it in Lagos in May?
- Daytime highs averaged 20.2 °C, night-time lows 15.9 °C. The highest value of the past 10 years was 26.6 °C (30 May 2026), the lowest 11.7 °C (1 May 2018).
- How often does it rain in Lagos in May?
- On average there were 4.0 rain days (at least 1 mm) with 29.2 mm of precipitation in total.
Check your exact travel dates
Choose your travel period – we show the weather for exactly those days.
Other destinations in May
Data sources
- Weather data
- Data obtained from the NASA Langley Research Center (LaRC) POWER Project funded through the NASA Earth Science/Applied Science Program
Reanalysis (weather model constrained by observations) on a coarse grid of about 50 km. Values represent a large area and can differ from local conditions, especially on islands, coasts and in mountains. No sunshine duration.
Reanalysis (weather model constrained by observations)
Reanalysis values represent a grid cell (approx. 25–50 km) and may differ from local measurements on coasts, islands and in mountains. - Sea temperature
- MUR SST data were provided by JPL under support by NASA MEaSUREs program; accessed via NOAA CoastWatch ERDDAP
Daily multi-scale ultra-high resolution (≈ 1 km) analysis of satellite measurements (infrared, microwave) and in-situ data. Represents the foundation temperature below the daily warm surface layer. (Satellite and in-situ analysis) - Place search
- Natural Earth (public domain) · GeoNames (CC BY 4.0) / OpenStreetMap (ODbL)