🇲🇹 Weather in Valletta in December
This is what the weather in Valletta (Malta) was like in December in 2016–2025.
Key facts at a glance
Avg. daytime high
17.6 °C
16.3 °C – 19.0 °C
Avg. night-time low
16.2 °C
14.9 °C – 17.6 °C
Avg. rain days in period
8.6
28 % of days · ≥ 1.0 mm
Avg. precipitation in period
39.9 mm
13.7 mm – 90.9 mm
Avg. cloud cover
60 %
This data source has no sunshine hours – average cloud cover shown instead.
Avg. sea temperature
18.4 °C
Sea point approx. 6 km from the location
Extremes: Highest temperature 21.8 °C (1 Dec 2023) · Lowest temperature 11.1 °C (30 Dec 2019) · Avg. daily peak wind 33 km/h
Weather mix of all days
- 44Sunny
- 115Partly cloudy
- 65Cloudy
- 65Light rain
- 21Rain
Summary
- On average 17.6 °C during the day and 16.2 °C at night.
- On average 8.6 rain days (Rain day = at least 1.0 mm of precipitation) with 39.9 mm of precipitation in total.
- The sea averaged 18.4 °C.
- Prevailing: Partly cloudy.
- Warmest year: 2022 (avg. 19.0 °C), coolest: 2017 (avg. 16.3 °C).
- Wettest year: 2016 (90.9 mm), driest: 2022 (13.7 mm).
- Extremes: 21.8 °C on 1 Dec 2023 and 11.1 °C on 30 Dec 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
2025
Avg. max17.9°Avg. min16.6°- Rain days
- 11 Rain days
- Precipitation
- 45.0 mm
- Avg. cloud cover
- 59 % cloudy
- Sea temperature
- 18.4 °C
Max 19.8 °C · Min 14.7 °C
2024
Avg. max18.1°Avg. min16.5°- Rain days
- 11 Rain days
- Precipitation
- 17.5 mm
- Avg. cloud cover
- 65 % cloudy
- Sea temperature
- 19.6 °C
Max 20.9 °C · Min 13.0 °C
2023
Avg. max18.3°Avg. min17.0°- Rain days
- 8 Rain days
- Precipitation
- 25.9 mm
- Avg. cloud cover
- 74 % cloudy
- Sea temperature
- 18.9 °C
Max 21.8 °C · Min 15.6 °C
2022
Avg. max19.0°Avg. min17.6°- Rain days
- 5 Rain days
- Precipitation
- 13.7 mm
- Avg. cloud cover
- 43 % cloudy
- Sea temperature
- 18.5 °C
Max 20.9 °C · Min 16.2 °C
2021
Avg. max16.6°Avg. min14.9°- Rain days
- 8 Rain days
- Precipitation
- 33.6 mm
- Avg. cloud cover
- 59 % cloudy
- Sea temperature
- 17.2 °C
Max 18.4 °C · Min 12.6 °C
2020
Avg. max17.9°Avg. min16.2°- Rain days
- 13 Rain days
- Precipitation
- 79.5 mm
- Avg. cloud cover
- 62 % cloudy
- Sea temperature
- 19.1 °C
Max 20.8 °C · Min 12.7 °C
2019
Avg. max17.7°Avg. min16.4°- Rain days
- 8 Rain days
- Precipitation
- 28.9 mm
- Avg. cloud cover
- 59 % cloudy
- Sea temperature
- 18.1 °C
Max 20.0 °C · Min 11.1 °C
2018
Avg. max17.2°Avg. min15.7°- Rain days
- 4 Rain days
- Precipitation
- 25.5 mm
- Avg. cloud cover
- 56 % cloudy
- Sea temperature
- 18.0 °C
Max 19.2 °C · Min 13.7 °C
2017
Avg. max16.3°Avg. min14.9°- Rain days
- 9 Rain days
- Precipitation
- 38.1 mm
- Avg. cloud cover
- 57 % cloudy
- Sea temperature
- 17.7 °C
Max 19.3 °C · Min 12.2 °C
2016
Avg. max17.2°Avg. min15.9°- Rain days
- 9 Rain days
- Precipitation
- 90.9 mm
- Avg. cloud cover
- 67 % cloudy
- Sea temperature
- 18.3 °C
Max 19.3 °C · Min 11.3 °C
Frequently asked questions
- How warm is it in Valletta in December?
- Daytime highs averaged 17.6 °C, night-time lows 16.2 °C. The highest value of the past 10 years was 21.8 °C (1 Dec 2023), the lowest 11.1 °C (30 Dec 2019).
- How often does it rain in Valletta in December?
- On average there were 8.6 rain days (at least 1 mm) with 39.9 mm of precipitation in total.
- How warm is the sea in Valletta in December?
- The sea temperature averaged 18.4 °C (open-sea point approx. 6 km from the town).
Check your exact travel dates
Choose your travel period – we show the weather for exactly those days.
Other destinations in December
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) - Sea point approx. 6 km from the location (35.920, 14.570)
- Place search
- Natural Earth (public domain) · GeoNames (CC BY 4.0) / OpenStreetMap (ODbL)