Ewa Beach Weather in July (1981–2025)

📍 21.34°N, 158.02°W •
📊

July at a Glance in Ewa Beach

(1981–2025)
Avg High
🔥
27.3°C
Avg Low
❄️
24.4°C
Avg Temp
🌡️
25.9°C
Avg Rain
🌧️
40 mm
Avg Humidity
💧
75%
Avg Wind
🌬️
6.4 m/s
Avg Solar
☀️
7
kWh/m²/day
vs Annual
📈
+1.4°C
temp difference
🌡️Warm afternoons🌙Mild mornings☀️Very sunny🌦️Some rain🌬️Windy😊Comfortable humidity

Ewa Beach July Weather Overview

July is one of the warmer months of the year in Ewa Beach, with average highs near 27.3°C and lows around 24.4°C (mean 25.9°C). It is one of the drier months, averaging 40 mm of rainfall and 75% relative humidity across the period.

Ewa Beach July Temperature History (1981–2025)

Range

July is one of the warmer months of the year in Ewa Beach. Across 45 years of records, the warmest Julys in Ewa Beach were 2015 and 2019 — when the month averaged 27.1°C — while the coldest were 1983 and 1998 at 24.7°C. Typical July days reach 27.3°C with nights near 24.4°C. The long-term trend is warming, about 0.3°C per decade.

1981–1985 vs 2021–2025

Avg Temp25.1°C→26.3°C+1.2°C
Max Temp26.5°C→27.8°C+1.3°C
Min Temp23.7°C→24.8°C+1.1°C

Trend (per decade)

Avg Temp+0.3°C/decade ↗
Max Temp+0.3°C/decade ↗
Min Temp+0.3°C/decade ↗

Distribution of Avg Temp

24.0°C–25.0°C4 yr (9%)
25.0°C–26.0°C21 yr (47%)
26.0°C–27.0°C18 yr (40%)
27.0°C–28.0°C2 yr (4%)

Ewa Beach July Rainfall History (1981–2025)

Range

July is one of the drier months in Ewa Beach, averaging 40 mm of rainfall. The wettest July on record was 1983 with 136 mm, while the driest was 2007 at 4 mm.

Ewa Beach July Humidity History (1981–2025)

Range

Relative humidity in Ewa Beach during July averages 75%. The most humid July was 1982 at 80%, and the least humid was 1988 at 71%.

Ewa Beach July Solar History (1981–2025)

Range

July receives about 7 kWh/m²/day of solar energy in Ewa Beach. The sunniest July was 2004 at 7.4 kWh/m²/day, and the cloudiest was 1986 at 6.2.

Ewa Beach July Wind History (1981–2025)

Range

Average wind speed in Ewa Beach during July is 6.4 m/s. The windiest July was 1989 at 7.1 m/s, while the calmest was 2015 at 5 m/s.

What July Feels Like in Ewa Beach

🌅
Mild
Morning
🌞
Warm
Afternoon
🌆
Mild
Evening
Rain chanceLow
Outdoor comfort★★★★★

How July Ranks in Ewa Beach

🔥4th warmest month of the year
🌵2nd driest month of the year
☀️2nd sunniest month of the year

Ranked against the other 11 months using 1981–2025 averages.

Explore Ewa Beach Weather by Month

Ewa Beach July Averages by Decade

Metric1980s1990s2000s2010s2020sChange
Avg Temp25.3°C25.5°C25.9°C26.2°C26.3°C+1°C
Avg High26.7°C27.0°C27.4°C27.7°C27.9°C+1.2°C
Avg Low23.9°C24.1°C24.4°C24.7°C24.8°C+0.9°C
Avg Rain71 mm16 mm31 mm43 mm42 mm-29 mm

Extreme July Records in Ewa Beach

🔥Warmest July30.2°C2015
🧊Coldest July22.3°C1999
🌧️Wettest July136 mm1983
🏜️Driest July4 mm2007
🌬️Windiest July7.1 m/s1989

Key Insights for July

✅

July temperatures in Ewa Beach have risen by about 1.2°C between 1981–1985 and 2021–2025.

✅

July has ranged from a record low of 22.3°C (1999) to a record high of 30.2°C (2015).

✅

Rainfall in July is one of the drier months, averaging 40 mm, with a wettest year of 136 mm.

Is July a Good Time to Visit Ewa Beach?

A quieter season to visit Ewa Beach

If your dates are flexible, the more temperate months of February and March tend to be the most comfortable for visiting Ewa Beach. That said, July — with days averaging 27.3°C and nights around 24.4°C (mean 25.9°C) and moderate rainfall (40 mm) — can still be rewarding for travellers who don't mind the warmth, and often means fewer crowds.

See Ewa Beach's complete weather history All 12 months side by side, 1981–2025 records, annual trends and long-term averages in one place. View full history →

Ewa Beach Weather in July — In Depth

☀️ July climate overview

July is one of the warmer months of the year in Ewa Beach, with average highs near 27.3°C and lows around 24.4°C (mean 25.9°C). It is one of the drier months, averaging 40 mm of rainfall and 75% relative humidity across the period.

🌧️ Rain, humidity & wind in July

July averages 40 mm of rainfall in Ewa Beach, one of the drier months compared with the rest of the year. The wettest July on record saw 136 mm (1983), and the driest just 4 mm (2007). Humidity sits around 75% and average wind speed is 6.4 m/s, with solar radiation averaging 7 kWh/m²/day.

📈 How July has changed

Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 1.2°C. Daytime highs moved from 26.5°C to 27.8°C and overnight lows from 23.7°C to 24.8°C over the same span.
July Weather in Ewa Beach, Year by Year
🔥 warmest❄️ coldest🌧️ wettest
YearAvg HighAvg TempAvg LowHottest DayColdest DayRainfallHumidityWindSolar
202528.3°C26.7°C25.1°C29.3°C24.4°C14 mm73%6.4 m/s7.3
202428.0°C26.4°C24.8°C28.7°C24.1°C9 mm73%6.6 m/s7.1
202328.1°C26.5°C25.0°C28.8°C23.9°C14 mm73%6.7 m/s7.2
202227.4°C25.9°C24.4°C28.6°C23.8°C61 mm76%7 m/s7.1
202127.4°C26.0°C24.7°C28.1°C24.1°C64 mm76%7 m/s7
202027.9°C26.5°C25.0°C28.9°C24.2°C87 mm75%6.1 m/s7.1
201928.5°C27.1°C25.7°C29.4°C25.0°C31 mm75%6.1 m/s7.2
201827.4°C26.1°C24.7°C28.6°C24.0°C45 mm79%6.4 m/s6.6
201728.1°C26.6°C25.2°C29.0°C24.5°C32 mm75%5.9 m/s7.3
201627.6°C26.2°C24.9°C28.7°C24.3°C127 mm77%6.1 m/s6.9
2015 🔥28.7°C27.1°C25.5°C30.2°C24.3°C45 mm75%5 m/s7.2
201427.9°C26.4°C25.0°C28.8°C24.2°C71 mm75%6.1 m/s7.1
201327.8°C26.1°C24.5°C29.0°C23.3°C27 mm73%5.6 m/s7.1
201226.6°C25.1°C23.6°C27.8°C22.8°C21 mm74%6.8 m/s7.1
201126.9°C25.3°C23.8°C27.7°C23.3°C7 mm74%6.6 m/s7.2
201027.0°C25.5°C23.9°C27.8°C23.3°C27 mm72%6 m/s7
200927.4°C25.9°C24.5°C28.5°C23.3°C40 mm75%6.2 m/s7
200827.8°C26.2°C24.6°C28.6°C24.0°C24 mm73%5.9 m/s7.1
200727.6°C26.1°C24.5°C28.2°C23.8°C4 mm74%6.7 m/s7.3
200627.5°C26.0°C24.5°C28.6°C23.8°C27 mm72%6.6 m/s7.3
200527.3°C25.9°C24.5°C28.0°C23.8°C56 mm74%7 m/s7.2
200428.0°C26.4°C24.8°C29.1°C24.2°C31 mm73%6 m/s7.4
200327.4°C26.0°C24.5°C28.6°C23.7°C47 mm74%6.5 m/s7.1
200227.1°C25.6°C24.0°C29.3°C23.4°C41 mm76%6.6 m/s7.1
200127.3°C25.8°C24.2°C28.4°C23.5°C12 mm73%6.2 m/s7.3
200026.7°C25.3°C24.0°C27.6°C23.3°C31 mm76%6.7 m/s6.9
199926.4°C24.9°C23.5°C27.2°C22.3°C11 mm73%6.9 m/s6.9
199826.2°C24.7°C23.3°C27.2°C22.7°C13 mm72%7 m/s7.1
199727.6°C26.1°C24.6°C29.9°C23.7°C16 mm72%6.7 m/s7.1
199627.4°C26.1°C24.8°C28.4°C24.1°C7 mm74%6.7 m/s7
199527.2°C25.8°C24.3°C28.5°C23.8°C6 mm74%6.7 m/s7
199427.1°C25.8°C24.5°C27.9°C23.8°C16 mm77%7 m/s6.5
199326.9°C25.5°C24.1°C28.3°C23.0°C24 mm74%6.1 m/s6.5
199227.5°C26.0°C24.5°C28.8°C23.9°C10 mm74%6.3 m/s6.7
199126.6°C25.1°C23.6°C28.1°C22.6°C33 mm75%5.9 m/s6.5
199026.8°C25.3°C23.8°C27.8°C23.0°C25 mm75%6.1 m/s6.6
198926.4°C25.2°C23.9°C27.0°C23.2°C76 mm77%7.1 m/s6.4
198827.2°C25.8°C24.3°C28.0°C23.3°C17 mm71%6.6 m/s6.8
198727.1°C25.6°C24.1°C28.2°C23.4°C54 mm76%6 m/s6.7
198626.9°C25.7°C24.4°C27.8°C23.4°C40 mm78%6.4 m/s6.2
198526.3°C24.9°C23.5°C27.6°C22.8°C114 mm78%5.8 m/s6.6
198426.8°C25.3°C23.8°C27.7°C23.1°C51 mm75%5.5 m/s6.9
1983 ❄️ 🌧️26.1°C24.7°C23.4°C26.4°C22.7°C136 mm78%6.9 m/s—
198226.5°C25.3°C24.0°C27.6°C23.1°C114 mm80%6.1 m/s—
198126.9°C25.4°C23.9°C27.7°C22.4°C33 mm75%5.9 m/s—

Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.

Other Cities in Hawaii

Ewa Beach July Weather — FAQ

What is the average temperature in Ewa Beach in July?▼

The average high in July is around 27.3°C with lows near 24.4°C (mean 25.9°C), based on 45 years of NASA POWER data.

Does it rain a lot in Ewa Beach in July?▼

July averages 40 mm of rainfall in Ewa Beach, one of the drier months. The wettest on record was 136 mm in 1983.

What was the hottest July on record in Ewa Beach?▼

The hottest July reached 30.2°C in 2015. The coldest dipped to 22.3°C in 1999.

Has July in Ewa Beach gotten warmer over time?▼

Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 1.2°C. Daytime highs moved from 26.5°C to 27.8°C and overnight lows from 23.7°C to 24.8°C over the same span.

Is July a good time to visit Ewa Beach?▼

July is one of the warmer months of the year in Ewa Beach and one of the drier months, so plan for around 27.3°C daytime highs and 24.4°C at night.

Is July the coldest month in Ewa Beach?▼

Not quite — July is the 9th coolest month in Ewa Beach, averaging 25.9°C.

What should I pack for Ewa Beach in July?▼

For July in Ewa Beach, pack light layers you can adjust through the day, with typical highs of 27.3°C and lows of 24.4°C.

Is Ewa Beach humid in July?▼

Relative humidity in July averages 75% — moderately humid.

How windy is Ewa Beach in July?▼

Average wind speed in July is 6.4 m/s. The windiest July on record averaged 7.1 m/s (1989).

Which July had the most rainfall in Ewa Beach?▼

The wettest July on record was 1983 with 136 mm. On average, July sees 40 mm.

Where does this July weather data come from?▼

All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.

Other Hawaii cities

Explore how the weather in Ewa Beach behaves each July, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for July specifically, along with year-by-year records and how the month has changed over the decades.