yearsofweather

Honolulu in December:
hot, rain here and there

Honolulu, United States · Records from 2006 to 2025. Not a forecast.

Mean high28°Hottest day 30.7° (2019)
Mean low21°Coldest night 15.5° (2017)
Rain days6 days2-12 by year
Rainfall71mmDaylight 10.9 → 10.8 h
Honolulu's 12 months iBest: December to February
Trip types Beach Finecool seaSightseeing on foot Finemostly dry
Humidity77%11 muggy days
Clear days9 days5 overcast days
Mean wind16 km/h1 windy day
Sea temperature25.6°25.1-26.1° by year (last 6)
Sunrise / sunset (15th)07:01 / 17:52Daylight 10.9 → 10.8 h

Honolulu in December

Mid wet season, with gray skies mixed with showers. The Honolulu Marathon is held on the second Sunday, filling roads and rooms that weekend. Christmas to New Year is the busiest and priciest stretch.

Days averaged 28°C and nights 21°C. Midday was for air conditioning, a cold drink or a long lunch out of the sun. 6 rain days in a typical December: noticeable, but most days stayed dry. Averages hide a lot here: one year saw 2, another 12.

Hurricanes i No tropical storm passed within 300 km in this month over the last 20 years. Hurricanes: July to October

Date by date i

‹ November December 2026 January ›
Sun
Mon
Tue
Wed
Thu
Fri
Sat
Week
1-5rain on 24% of days28° 21°
6-12rain on 16% of days28° 21°
13-19rain on 21% of days28° 21°
20-26rain on 14% of days28° 21°
27-31rain on 22% of days27° 20°

0-5/206-8/209-11/2012-20/20

1-5rain on 24% of days28° 21°
6-12rain on 16% of days28° 21°
13-19rain on 21% of days28° 21°
20-26rain on 14% of days28° 21°
27-31rain on 22% of days27° 20°
Tap another date to change

2006none
2007none
2008none
2009none
2010none
2011none
2012none
20131mm
20141mm
2015none
20162mm
2017none
20181mm
2019none
2020none
2021none
202242mm
20231mm
2024none
20257mm
Holidays in December (2026)
  • December 25 Christmas Day

1 Local public holiday or break (busier, pricier)

Your trip dates, the past 20 years

Trip dates ~

You can also click two dates on the axis. Hover a cell to see that day's rain.
Trip rain days Month rain days
2006
0 d 2 d
2007
3 d 12 d
2008
3 d 11 d
2009
0 d 3 d
2010
2 d 11 d
2011
3 d 3 d
2012
0 d 4 d
2013
0 d 3 d
2014
0 d 3 d
2015
0 d 2 d
2016
3 d 8 d
2017
1 d 7 d
2018
2 d 7 d
2019
1 d 6 d
2020
0 d 3 d
2021
2 d 9 d
2022
0 d 5 d
2023
0 d 5 d
2024
1 d 4 d
2025
1 d 9 d
Years with rain
Tap a date to start, tap another to end. Each cell is that date in one year.
'06'07'08'09'10'11'12'13'14'15'16'17'18'19'20'21'22'23'24'25
of 20
5
5
3
6
5
4
2
3
2
4
4
3
2
2
3
5
4
7
6
4
2
2
1
2
4
5
5
4
5
4
4
Rain days on trip
03302300003121020011

No rain1-9 mm10 mm or more Dates outside your trip are dimmed.

One row per year, one cell per day. 2006 had 2 rain days, 2007 had 12.

Honolulu through the year

MonthHighLowRain daysRainfallSea
JanuaryGood 27°19°5 days35mm 25°
FebruaryGood 27°20°6 days49mm 25°
March 28°20°7 days61mm 25°
April 29°21°6 days36mm 25°
May 29°22°3 days26mm 25°
June 31°23°2 days16mm 26°
July 31°24°3 days15mm 26°
August 32°24°3 days28mm 27°
September 31°24°3 days19mm 27°
October 31°23°5 days36mm 27°
November 29°22°5 days44mm 27°
DecemberGood 28°21°6 days71mm 26°

Common questions

Does it rain a lot in Honolulu in December?

Over the past 20 years December averaged 6 rain days (1 mm or more) out of 31. Individual years ran from 2 in the driest to 12 in the wettest.

What should I wear in Honolulu in December?

Days averaged 28°C and nights 21°C. Pack a compact umbrella, T-shirts, a light layer for the evenings, sunscreen plus a hat, and a swimsuit.

Can you swim in Honolulu in December?

Sea surface temperature averaged 25.6°C in December, comfortable for swimming. Year to year it ranged 25.1-26.1°C. Check local flags for waves and jellyfish on the day.

Is December a good time to visit Honolulu?

On warmth and rain days alone, Honolulu's easiest months were December to February. December ranked 3 of 12, close to the top.

Is Honolulu humid in December?

Mean relative humidity was 77%, with about 11 muggy days (dew point of 20°C or more) in the month.