🇮🇹 Weather in Rome in May
This is what the weather in Rome (Lazio, Italy) was like in May in 2017–2026.
Key facts at a glance
Avg. daytime high
23.7 °C
19.4 °C – 26.7 °C
Avg. night-time low
13.2 °C
10.4 °C – 15.0 °C
Avg. rain days in period
11.5
37 % of days · ≥ 1.0 mm
Avg. precipitation in period
52.1 mm
11.1 mm – 112 mm
Avg. cloud cover
43 %
This data source has no sunshine hours – average cloud cover shown instead.
Avg. sea temperature
–
No sea nearby – no sea temperature.
Extremes: Highest temperature 32.5 °C (27 May 2022) · Lowest temperature 4.5 °C (7 May 2019) · Avg. daily peak wind 19 km/h
Weather mix of all days
- 116Sunny
- 57Partly cloudy
- 22Cloudy
- 78Light rain
- 37Rain
Summary
- On average 23.7 °C during the day and 13.2 °C at night.
- On average 11.5 rain days (Rain day = at least 1.0 mm of precipitation) with 52.1 mm of precipitation in total.
- Prevailing: Sunny.
- Warmest year: 2022 (avg. 26.7 °C), coolest: 2019 (avg. 19.4 °C).
- Wettest year: 2019 (112 mm), driest: 2017 (11.1 mm).
- Extremes: 32.5 °C on 27 May 2022 and 4.5 °C on 7 May 2019.
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. max24.1°Avg. min13.5°- Rain days
- 10 Rain days
- Precipitation
- 38.4 mm
- Avg. cloud cover
- 38 % cloudy
- Sea temperature
- –
Max 31.7 °C · Min 7.0 °C
2025
Avg. max23.3°Avg. min12.8°- Rain days
- 13 Rain days
- Precipitation
- 49.3 mm
- Avg. cloud cover
- 35 % cloudy
- Sea temperature
- –
Max 29.9 °C · Min 7.9 °C
2024
Avg. max23.8°Avg. min13.5°- Rain days
- 11 Rain days
- Precipitation
- 52.5 mm
- Avg. cloud cover
- 42 % cloudy
- Sea temperature
- –
Max 27.2 °C · Min 8.7 °C
2023
Avg. max23.6°Avg. min13.7°- Rain days
- 21 Rain days
- Precipitation
- 82.7 mm
- Avg. cloud cover
- 52 % cloudy
- Sea temperature
- –
Max 29.1 °C · Min 10.2 °C
2022
Avg. max26.7°Avg. min15.0°- Rain days
- 3 Rain days
- Precipitation
- 11.4 mm
- Avg. cloud cover
- 39 % cloudy
- Sea temperature
- –
Max 32.5 °C · Min 9.8 °C
2021
Avg. max21.9°Avg. min11.7°- Rain days
- 7 Rain days
- Precipitation
- 38.9 mm
- Avg. cloud cover
- 42 % cloudy
- Sea temperature
- –
Max 26.4 °C · Min 7.9 °C
2020
Avg. max24.8°Avg. min13.4°- Rain days
- 5 Rain days
- Precipitation
- 35.3 mm
- Avg. cloud cover
- 41 % cloudy
- Sea temperature
- –
Max 30.1 °C · Min 8.8 °C
2019
Avg. max19.4°Avg. min10.4°- Rain days
- 21 Rain days
- Precipitation
- 112 mm
- Avg. cloud cover
- 58 % cloudy
- Sea temperature
- –
Max 23.5 °C · Min 4.5 °C
2018
Avg. max23.4°Avg. min14.5°- Rain days
- 20 Rain days
- Precipitation
- 89.3 mm
- Avg. cloud cover
- 51 % cloudy
- Sea temperature
- –
Max 29.9 °C · Min 9.4 °C
2017
Avg. max25.6°Avg. min13.2°- Rain days
- 4 Rain days
- Precipitation
- 11.1 mm
- Avg. cloud cover
- 28 % cloudy
- Sea temperature
- –
Max 30.5 °C · Min 8.2 °C
Frequently asked questions
- How warm is it in Rome in May?
- Daytime highs averaged 23.7 °C, night-time lows 13.2 °C. The highest value of the past 10 years was 32.5 °C (27 May 2022), the lowest 4.5 °C (7 May 2019).
- How often does it rain in Rome in May?
- On average there were 11.5 rain days (at least 1 mm) with 52.1 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)