30YearWeather
Honolulu
Honolulu weather and climate - scenic view of Honolulu, United States

Honolulu Weather Forecast

Plan your trip to Honolulu, United States with confidence. Based on 30 years of NASA satellite data, expect average temperatures of 27°C (high) to 23°C (low), with 210mm annual rainfall. The Pacific Ocean averages 26°C for swimming. The best months to visit are January, February, March for optimal weather conditions. Explore daily forecasts for all 365 days.

Avg High
27°C

Peak in September

Avg Low
23°C

Coolest in March

Annual Rainfall
210mm

Heavy in March

Daily Sunshine
8hrs

Peak in dry season

Sea Temperature

Pacific Ocean(Ka Moana Pakipika)

25.7°C

Annual Average

Water Feel
☀️Warm

Perfect for swimming and water sports

Swim Rating
Excellent for swimming

Based on average sea surface temperature

Body of Water
Pacific Ocean

Ka Moana Pakipika

Honolulu coastline

Honolulu Monthly Weather Guide

Click any month to explore daily weather forecasts

Currency

USD

$ United States dollar

Language

English

Driving

Right side

Connect

The area code for Honolulu, and the rest...

Safety

Moderate Safety

GPI: 2.44

Best Time to Visit Honolulu

Location, climate overview & historical trends

United States

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Interactive Google Map

📍 21.3060° N, 157.8580° W

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Honolulu is a prominent destination in United States.

Located at 21.31°N latitude,Honolulu experiences a tropical climate with warm temperatures year-round.

Based on 30 years of data, September is the warmest month (avg. 29°C), while March is the coolest. March sees the most rain (14% chance), making August the driest month.

Historical Climate Trend

30-Year Analysis

+2.22°C

Total over 30 years

+0.74°C

Per decade

Linear regression analysis of historical maximum temperatures for Honolulu, based on 1995-2024 satellite data from NASA POWER.

Best Time to Visit

NASA POWER Data (1991-2021)

January, February, March

Best months to visit

27°C

Avg High

Based on 30 years of NASA satellite data,Honolulu receives approximately 210mm of rainfall annually. These months offer optimal temperatures and minimal rain probability for your visit.

📊 30YearWeather🛰️ NASAView Full Guide →

Climate Trends

EXCLUSIVE

1995-2040 Temperature Trend

+0.3°C
By 2040
Historical (NASA)Projected (CMIP6)
1995← Historical | Projected →2040

1995 Avg

25.8°

2024 Avg

27.8°

2040 Proj

28.1°

Historical Rate

+0.74°C

per decade (observed)

Projected Rate

+0.21°C

per decade (CMIP6)

🌡️ Honolulu has warmed by +2.2°C since 1995. By 2040, an additional +0.3°C is projected (based on CMIP6 rate of 0.207°C/decade), for a total of +2.6°C from 1995 baseline.

NASA POWER (1995-2024) + CMIP6 (CMCC_CM2_VHR4, EC_Earth3P_HR, FGOALS_f3_H, HiRAM_SIT_HR, MRI_AGCM3_2_S, NICAM16_8S)

Travel Intelligence

Exclusive flight analytics & health data for Honolulu

Smart Flight Estimator

Airport-to-Airport Logistics

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Well Connected
60/ 100
Traffic Index

Popular destination

Peak Daily Arrivals

0

slots per day

Peak

May

Low

Jul

Monthly Traffic Distribution

222
Jan
214
Feb
223
Mar
234
Apr
305
May
232
Jun
136
Jul
250
Aug
217
Sep
206
Oct
203
Nov
152
Dec
Traffic Level
Low Season

Key Connections

Los Angeles (LAX)
Kahului (OGG)
Kailua/Kona Kona At Keahole (KOA)
Hilo (ITO)
Lihue (LIH)

Health & Safety Advisory

CDC travel health recommendations

No Requirements

No Special Vaccinations Required

Standard travel precautions apply

Source: CDC Travelers' Health

View Complete Health Guide

Honolulu Climate Data by Month

Historical temperature and precipitation averages

MonthAvg High C)Rain Probability (%)Status
January25°C12%✨ Perfect
February25°C12%✨ Perfect
March25°C14%✨ Perfect
April26°C13%✨ Perfect
May27°C11%✨ Perfect
June28°C4%✨ Perfect
July28°C4%✨ Perfect
August29°C4%😊 Pleasant
September29°C6%😊 Pleasant
October28°C9%✨ Perfect
November27°C8%✨ Perfect
December26°C9%✨ Perfect

Weather in Cities Near Honolulu

Explore climate data for popular destinations within easy reach

Compare weather conditions with nearby destinations for your trip planning

Compare Honolulu Weather vs Popular Destinations

Similar Climate Destinations

Discover destinations with weather similar to Honolulu

Honolulu:Avg 27°C9% rain

These destinations share similar weather patterns with Honolulu. Perfect alternatives if you're looking for the same climate in a different location.

Honolulu Weather FAQ

When is the best time to visit Honolulu?

Honestly, look for months with mild temperatures (20°C-25°C) and low rain chance. Based on historical data, January, February, March are usually great choices.

When is the hottest month in Honolulu?

September is historically the hottest month in Honolulu with average highs of 29°C.

When does it rain the most in Honolulu?

March typically sees the highest probability of rain (14%).

Is Honolulu expensive?

Prices vary by season. The "Perfect" weather months usually coincide with peak tourist season and higher prices, while the rainy or cold months offer better deals.