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Honolulu in April: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Honolulu in April will be like? Take a look at our weather guide for Honolulu, based on historical data.
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April

Weather in Honolulu in April 2025

Good Weather
Warm
☁️
Cloudy
🌊
Comfortable water
Planning a trip to Honolulu in April? You are in luck! The weather is generally good, with an average maximum temperature of +27°C and approximately 4 sunny days. Just be prepared for some rain, as there are usually around 13 rainy days and 28 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero.

Average weather

☀️
+27°C
Avg. max. temperature
+15°C
Min.
+31°C
Max.
28 mm
Total precipitation
69%
Avg. humidity
4 m/s
Avg. wind
4 ☀️
Sunny Days
13 ⛅️
Cloudy
13 🌦
Rainy
Our opinion: Honolulu has good weather in April.

Average temperature in Honolulu in April

Here are the expected maximum, average and minimum temperatures in Honolulu for April based on the historical data.
Last Year
Historical Data

Going from a maximum of +29°C during the day to a minimum of +20°C during the night, the temperature in April averages around +27°C.

The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +27°C to +27°C.

Is Honolulu warm or cold in April?

Honolulu is typically warm in April.

Maximum temperatures go up compared to the previous month from +27°C to +27°C. The minimum temperature also goes up from +20°C to +21°C.

It’s generally warm, but pack a long-sleeve shirt for evenings.

Take a look at how April is compared to other months in Honolulu:

Water temperature in Honolulu in April

Water in Honolulu in April is Comfortable. It varies from +23°C to +26°C, with an average of +25°C. This is almost similar to the air temperature, which averages +27°C.

In April, water temperatures are average relative to the rest of the 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 April?

The water in Honolulu in April is pretty comfortable (+25°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 April

Honolulu weather looks like this, on average, in April and the surrounding months.
MarchAprilMay
Avg. temperature
+27°C+27°C+28°C
Min. temperature
+15°C+15°C+16°C
Max. temperature
+31°C+31°C+32°C
Rainfall
66 mm28 mm29 mm
Wind
4 m/s4 m/s4 m/s
Avg. water temperature
+24°C+25°C+25°C
Humidity
70%69%68%
Air pressure
1016 HPa1017 HPa1016 HPa
Sunny days
544
Cloudy days
121315
Rainy days
131312
Snowy days
000

April weather is still as good as in March. The temperature levels stay the same in the area of +27°C for average maximum temperature during the day. As April arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 66 mm to 28 mm. It feels drier, as humidity decreases from 70% to 69%. The average wind speed doesn’t change much during April, staying around 4 m/s. The days becoming less sunny, going from 5 sunny days in March to 4 in April.

May brings much the same weather, it remains good.

Wind

Wind speed in Honolulu in April based on historical data.
Last Year
Historical Data

The average wind speed is 4 m/s getting up to 7 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 April, going from 2 m/s to 5 m/s over the course of the month.

Rain

Amount of rainfall in mm during April in Honolulu based on historical data.
Last Year
Historical Data
Typically, there is a 77% chance of rain on an average day in April, with total rainfall of approximately 112 mm. The maximum amount of rainfall per day is around 38 mm, which is moderate rain. April is a pretty wet month with over 23 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
Here’s how April is compared with other months in the amount of precipitation, 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 April in Honolulu?

This is the weather in Honolulu in April 2023:
1 April
☁️
+27°C
2 April
☁️
+26°C
3 April
☁️
+27°C
4 April
☁️
+27°C
5 April
☁️
+27°C
6 April
☁️
+28°C
7 April
☁️
+27°C
8 April
☁️
+26°C
9 April
🌧️
+26°C
10 April
🌧️
+27°C
11 April
☁️
+28°C
12 April
☁️
+27°C
13 April
☁️
+27°C
14 April
☀️
+27°C
15 April
☁️
+27°C
16 April
☀️
+28°C
17 April
☀️
+28°C
18 April
☁️
+27°C
19 April
🌧️
+28°C
20 April
☁️
+28°C
21 April
☁️
+29°C
22 April
☀️
+28°C
23 April
☀️
+28°C
24 April
☀️
+28°C
25 April
🌧️
+27°C
26 April
🌧️
+26°C
27 April
🌧️
+26°C
28 April
🌧️
+27°C
29 April
☀️
+28°C
30 April
☀️
+27°C
In April 2023 Honolulu had 8 sunny days, 15 cloudy days, and 7 rainy days. The average maximum temperature was +27°C, with an absolute maximum of +29°C and a minimum of +26°C. The average humidity was 80%, with a maximum of 100% and a minimum of 69%. The average wind speed was 4 m/s, with a maximum of 16 m/s and a minimum of 0 m/s.
Are you planning a trip in April?

Climate Change over Years

This is how Honolulu climate have been changing during last 43 years period.

The climate in Honolulu in April 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 April:

Is April a good time to visit Honolulu?

April 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 April?

April 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 April?

Yes, the water temperature in Honolulu in April is considered moderate and enjoyable for most people, averaging around +25°C.

Is Honolulu rainy in April?

Honolulu is usually dry in April. Plan your packing around outdoor activities and exploring.

Is it sunny in Honolulu in April?

Usually, it’s not very sunny in Honolulu in April, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in USA

Check out the weather for other cities in USA.

Monthly weather in Honolulu

Source of the data

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.