Planning a trip to Honolulu in January? You are in luck! The weather is generally good, with an average maximum temperature of +26°C and approximately 6 sunny days. Just be prepared for some rain, as there are usually around 12 rainy days and 77 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flightsin one click on Avionero.
Good to know:
January is usually the coldest month of the year in Honolulu;
Average weather
☀️
+26°C
Avg. max. temperature
+13°C
Min.
+30°C
Max.
77 mm
Total precipitation
72%
Avg. humidity
4 m/s
Avg. wind
6 ☀️
Sunny Days
12 ⛅️
Cloudy
12 🌦
Rainy
Our opinion: Honolulu has good weather in January.
Average temperature in Honolulu in January
Here are the expected maximum, average and minimum temperatures in Honolulu for January based on the historical data.
Last Year
Historical Data
Going from a maximum of +28°C during the day to a minimum of +18°C during the night, the temperature in January averages around +26°C.
The average maximum temperature goes down 10% by the end of the month, compared with the beginning of the month, from +27°C to +26°C.
Is Honolulu warm or cold in January?
Honolulu is typically warm in January.
Maximum temperatures go down compared to the previous month from +27°C to +26°C. The minimum temperature also goes down from +21°C to +20°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
January is the coldest month in Honolulu, here is the comparison with other months:
Water temperature in Honolulu in January
Water in Honolulu in January is Comfortable. It varies from +24°C to +25°C, with an average of +24°C.This is almost similar to the air temperature, which averages +26°C.
The water temperature in January is one of the coldest of the entire year:
The warmest water temperatures in Honolulu are reached in September, when the average sea temperature rises to +27°C. The coldest water temperatures are in March, with an average of +24°C.
Can you swim in Honolulu in January?
The water in Honolulu in January is pretty comfortable (+24°C in average). Ideal for swimming, especially in outdoor pools and open water. Suitable for recreational and casual swimmers.
🦭
Cold
Below +16°C
🏄♂️
Fresh
16°C - 21°C
🏊
Comfortable
21°C - 25°C
👙
Warm
25°C - 28°C
🔥
Very warm
+28°C and up
Don’t forget a large beach towel or two for drying off.
Climate in Honolulu in January
Honolulu weather looks like this, on average, in January and the surrounding months.
December
January
February
Avg. temperature
+27°C
+26°C
+26°C
Min. temperature
+14°C
+13°C
+13°C
Max. temperature
+30°C
+30°C
+30°C
Rainfall
91 mm
77 mm
65 mm
Wind
4 m/s
4 m/s
4 m/s
Avg. water temperature
+25°C
+24°C
+24°C
Humidity
72%
72%
70%
Air pressure
1015 HPa
1015 HPa
1015 HPa
Sunny days
6
6
5
Cloudy days
11
12
11
Rainy days
13
12
12
Snowy days
0
0
0
January weather is still as good as in December.It’s getting colder in January. From +27°C in the day, the average maximum temperature lowers to +26°C.As January arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 91 mm to 77 mm.Humidity levels don’t change as the month goes on, averaging around 72%.The average wind speed doesn’t change much during January, staying around 4 m/s.The amount of sunny days stay about the same, averaging 6 sunny days during the month.
February brings much the same weather, it remains good.
Wind speed in Honolulu in January based on historical data.
Last Year
Historical Data
The average wind speed is 3 m/s getting up to 8 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Honolulu is gradually increasing during January, going from 2 m/s to 3 m/s over the course of the month.
Rain
Amount of rainfall in mm during January in Honolulu based on historical data.
Last Year
Historical Data
Typically, there is a 32% chance of rain on an average day in January, with total rainfall of approximately 77 mm. The maximum amount of rainfall per day is around 29 mm, which is moderate rain.January is a pretty wet month with over 10 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
January is one of the rainiest months in Honolulu, here is a comparison with other months, total mm:
Honolulu wettest month is December, where a typical day has a 42% chance of precipitation and 91 mm of rainfall per day. June, on the other hand, is the driest month with a mere 33% chance of precipitation and 14 mm of rainfall per day.
How was the weather last January in Honolulu?
This is the weather in Honolulu in January 2023:
1 January
☀️
+27°C
2 January
☁️
+26°C
3 January
☁️
+26°C
4 January
🌧️
+26°C
5 January
🌧️
+26°C
6 January
☁️
+26°C
7 January
☀️
+27°C
8 January
☀️
+26°C
9 January
☀️
+26°C
10 January
☁️
+28°C
11 January
☀️
+28°C
12 January
☀️
+26°C
13 January
☀️
+26°C
14 January
☀️
+27°C
15 January
☁️
+26°C
16 January
☁️
+27°C
17 January
☀️
+27°C
18 January
☀️
+28°C
19 January
☀️
+28°C
20 January
☀️
+27°C
21 January
☁️
+28°C
22 January
☁️
+28°C
23 January
☀️
+28°C
24 January
☀️
+27°C
25 January
☀️
+27°C
26 January
☀️
+26°C
27 January
☀️
+25°C
28 January
☀️
+24°C
29 January
🌧️
+23°C
30 January
🌧️
+25°C
31 January
🌧️
+26°C
In January 2023 Honolulu had 18 sunny days, 8 cloudy days, and 5 rainy days. The average maximum temperature was +26°C, with an absolute maximum of +28°C and a minimum of +23°C. The average humidity was 76%, with a maximum of 97% and a minimum of 46%. The average wind speed was 3 m/s, with a maximum of 11 m/s and a minimum of 0 m/s.
Are you planning a trip in January?
Climate Change over Years
This is how Honolulu climate have been changing during last 43 years period.
The climate in Honolulu in January has not changed much over the last 43 years.
The average temperature was the lowest in 1983 (+25°C) and the highest in 1988 (+29°C). The driest year was 1983 with only 113 mm of rainfall, and the wettest year was 1982 with 1336 mm.
FAQ
Frequently asked questions about the weather in Honolulu in January:
Is January a good time to visit Honolulu?
January is a really good time to go to Honolulu. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Honolulu.
Can you sunbathe in Honolulu in January?
January is warm in Honolulu. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.
Can you swim in Honolulu in January?
Yes, the water temperature in Honolulu in January is considered moderate and enjoyable for most people, averaging around +24°C.
Is Honolulu rainy in January?
Honolulu is often rainy in January. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.
Is it sunny in Honolulu in January?
Usually, it’s not very sunny in Honolulu in January, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.
For this page, we’ve looked at the typical weather in Honolulu, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.