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🇺🇸 Weather in Honolulu in December
This is what the weather in Honolulu (Waikīkī, Oahu, Hawaii, USA) was like in December over the years 2016–2025.
Key facts at a glance
Prevailing weather: Light rain
Avg. daytime high
25.5 °C
24.0 °C – 26.9 °C
Avg. night-time low
23.0 °C
21.3 °C – 23.7 °C
Avg. rain days in period
17.3
56 % of days · ≥ 1.0 mm
Avg. precipitation in period
106 mm
8.0 mm – 321 mm
Avg. cloud cover
57 %
This data source has no sunshine hours – average cloud cover is shown instead.
Avg. sea temperature
25.8 °C
Sea temperature available for 2 of 10 years.
Extremes: Highest temperature 27.6 °C (21 Dec 2024) · Lowest temperature 20.1 °C (20 Dec 2017) · Avg. daily peak wind 26 km/h
Weather mix of all days
- 42Sunny
- 77Partly cloudy
- 18Cloudy
- 120Light rain
- 53Rain
Summary
- On average 25.5 °C during the day and 23.0 °C at night.
- On average 17.3 rain days (Rain day = at least 1.0 mm of precipitation) with 106 mm of precipitation in total.
- The sea averaged 25.8 °C.
- Prevailing weather: Light rain.
- Warmest year: 2024 (avg. 26.9 °C), coolest: 2017 (avg. 24.0 °C).
- Wettest year: 2021 (321 mm), driest: 2024 (8.0 mm).
- Extremes: 27.6 °C on 21 Dec 2024 and 20.1 °C on 20 Dec 2017.
Overall values from all 10 years. How is this calculated?
Charts
Temperatures per year
Average over your travel period
Avg. daytime high: 2016 25°, 2017 24°, 2018 25°, 2019 26°, 2020 26°, 2021 25°, 2022 26°, 2023 25°, 2024 27°, 2025 26°. Avg. night-time low: 2016 22°, 2017 21°, 2018 23°, 2019 24°, 2020 24°, 2021 23°, 2022 23°, 2023 23°, 2024 24°, 2025 24°. Sea temperature: 2016 –, 2017 –, 2018 –, 2019 –, 2020 –, 2021 –, 2022 –, 2023 –, 2024 26°, 2025 26°.
Precipitation & rain days
Precipitation (mm): 2016 99, 2017 107, 2018 100, 2019 143, 2020 74, 2021 321, 2022 108, 2023 32, 2024 8, 2025 72.
Year by year
2025
Avg. max26.0°Avg. min23.6°- Rain days
- 18 Rain days
- Precipitation
- 72.3 mm
- Avg. cloud cover
- 64 % cloudy
- Sea temperature
- 26.0 °C
Max 27.4 °C · Min 22.4 °C
2024
Avg. max26.9°Avg. min23.7°- Rain days
- 4 Rain days
- Precipitation
- 8.0 mm
- Avg. cloud cover
- 35 % cloudy
- Sea temperature
- 25.7 °C
Max 27.6 °C · Min 22.8 °C
2023
Avg. max25.5°Avg. min22.9°- Rain days
- 10 Rain days
- Precipitation
- 31.9 mm
- Avg. cloud cover
- 57 % cloudy
- Sea temperature
- –
Max 27.5 °C · Min 21.5 °C
2022
Avg. max25.8°Avg. min23.2°- Rain days
- 14 Rain days
- Precipitation
- 108 mm
- Avg. cloud cover
- 57 % cloudy
- Sea temperature
- –
Max 26.6 °C · Min 21.7 °C
2021
Avg. max24.8°Avg. min22.7°- Rain days
- 27 Rain days
- Precipitation
- 321 mm
- Avg. cloud cover
- 72 % cloudy
- Sea temperature
- –
Max 26.3 °C · Min 20.6 °C
2020
Avg. max26.2°Avg. min23.6°- Rain days
- 19 Rain days
- Precipitation
- 73.5 mm
- Avg. cloud cover
- 46 % cloudy
- Sea temperature
- –
Max 27.3 °C · Min 22.6 °C
2019
Avg. max25.9°Avg. min23.7°- Rain days
- 21 Rain days
- Precipitation
- 143 mm
- Avg. cloud cover
- 55 % cloudy
- Sea temperature
- –
Max 27.4 °C · Min 22.9 °C
2018
Avg. max24.8°Avg. min22.6°- Rain days
- 20 Rain days
- Precipitation
- 100 mm
- Avg. cloud cover
- 50 % cloudy
- Sea temperature
- –
Max 26.0 °C · Min 21.3 °C
2017
Avg. max24.0°Avg. min21.3°- Rain days
- 17 Rain days
- Precipitation
- 107 mm
- Avg. cloud cover
- 64 % cloudy
- Sea temperature
- –
Max 25.4 °C · Min 20.1 °C
2016
Avg. max24.7°Avg. min22.4°- Rain days
- 23 Rain days
- Precipitation
- 98.7 mm
- Avg. cloud cover
- 67 % cloudy
- Sea temperature
- –
Max 26.2 °C · Min 20.4 °C
Frequently asked questions
- How warm is it in Honolulu in December?
- Daytime highs averaged 25.5 °C, night-time lows 23.0 °C. The highest value of the past 10 years was 27.6 °C (21 Dec 2024), the lowest 20.1 °C (20 Dec 2017).
- How often does it rain in Honolulu in December?
- On average there were 17.3 rain days (at least 1 mm) with 106 mm of precipitation in total.
- How warm is the sea in Honolulu in December?
- The sea temperature averaged 25.8 °C (open-sea point approx. 3 km from the town).
Check your exact travel dates
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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. Snow depth is the model value for the grid cell, not the depth on the slopes. 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 measuring point approx. 3 km from the location (21.250, -157.840)
- Place search
- Natural Earth (public domain) · GeoNames (CC BY 4.0) / OpenStreetMap (ODbL)