Joint Base Pearl Harbor Hickam in Spring
In spring (March, April and May), Joint Base Pearl Harbor Hickam sees average daytime highs around 75°F and overnight lows near 72°F, with 2.5 in of rain over about 9 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.
Across spring, daytime highs hold fairly steady around 75°F. The sky is clear or mostly clear about 64% of the time across spring, and the air most often feels muggy.
Spring is Joint Base Pearl Harbor Hickam's 2nd-best season to visit on our travel score. Joint Base Pearl Harbor Hickam has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Joint Base Pearl Harbor Hickam's year-round climate.
- Avg daytime high
- 75°F
- 3rd-warmest season
- Avg overnight low
- 72°F
- Rainfall
- 2.5 in
- 9 wet days
- Avg wind
- 15 mph
- Travel score
- 8.5
- 2nd-best season
- Months
- Mar · Apr · May
Temperature in Joint Base Pearl Harbor Hickam in Spring
Across spring, daytime highs hold fairly steady around 75°F.
A typical spring day in Joint Base Pearl Harbor Hickam reaches about 75°F and drops to 72°F overnight. The warmest of the three months is May, the coolest March.
Joint Base Pearl Harbor Hickam weather by month
How the three spring months (March, April and May) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 74° / 71° | 1.4 | 4.4 | 10.8 | 8.3 |
| Feb | 74° / 71° | 1.1 | 4.1 | 11.3 | 8.1 |
| Mar | 74° / 71° | 1.5 | 4.3 | 11.8 | 8.2 |
| Apr | 75° / 72° | 0.4 | 2.1 | 12.5 | 8.7 |
| May | 76° / 73° | 0.5 | 2.4 | 13 | 8.6 |
| Jun | 78° / 75° | 0.3 | 1 | 13.3 | 8.7 |
| Jul | 79° / 76° | 0.2 | 0.9 | 13.2 | 8.6 |
| Aug | 80° / 76° | 0.4 | 1.7 | 12.7 | 8.4 |
| Sep | 80° / 77° | 0.4 | 2.3 | 12.1 | 8.3 |
| Oct | 79° / 76° | 0.8 | 3 | 11.5 | 8.0 |
| Nov | 77° / 75° | 1.5 | 4.1 | 11 | 8.1 |
| Dec | 76° / 73° | 1.9 | 4.6 | 10.7 | 8.3 |
Cloud cover in Spring
The sky is clear or mostly clear about 64% of the time across spring.
Chance of precipitation in Spring
Joint Base Pearl Harbor Hickam gets around 2.5 in of rain over 9 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 15 mph across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 30 min in early March to 13 h 12 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 6.6 kWh/m².
Hazard calendar for Joint Base Pearl Harbor Hickam
In spring, Joint Base Pearl Harbor Hickam overlaps its pacific hurricane season. The full year is below, with each hazard's peak months called out.
Joint Base Pearl Harbor Hickam sits in the eastern Pacific hurricane zone; the season peaks August–September.
Is spring a good time to visit Joint Base Pearl Harbor Hickam?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is one of the better times to visit Joint Base Pearl Harbor Hickam for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Joint Base Pearl Harbor Hickam in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Joint Base Pearl Harbor Hickam sees daytime highs around 75°F and nights near 72°F. Pack sun protection. Worth having: light clothes and a windbreaker. About 9 days see rain.
Sea temperature near Joint Base Pearl Harbor Hickam in Spring
The nearest coast averages about 76°F across spring — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in September at about 80°F and coldest in February near 75°F.
The water stays above 68°F all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 76 | 75 | 75 | 76 | 77 | 78 | 79 | 80 | 80 | 80 | 79 | 77 |
| Comfort | Warm | Warm | Warm | Warm | Warm | Warm | Warm | Warm | Warm | Warm | Warm | Warm |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 76 | Warm |
| Feb | 75 | Warm |
| Mar | 75 | Warm |
| Apr | 76 | Warm |
| May | 77 | Warm |
| Jun | 78 | Warm |
| Jul | 79 | Warm |
| Aug | 80 | Warm |
| Sep | 80 | Warm |
| Oct | 80 | Warm |
| Nov | 79 | Warm |
| Dec | 77 | Warm |
UV index in Joint Base Pearl Harbor Hickam in Spring
Clear-sky midday UV across spring averages around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Joint Base Pearl Harbor Hickam peaks around July 21 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 6 (high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 7 | 9 | 10 | 11 | 10 | 11 | 12 | 12 | 12 | 9 | 7 | 6 |
| Level | High | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | High | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 7 | High |
| Feb | 9 | Very high |
| Mar | 10 | Extreme |
| Apr | 11 | Extreme |
| May | 10 | Extreme |
| Jun | 11 | Extreme |
| Jul | 12 | Extreme |
| Aug | 12 | Extreme |
| Sep | 12 | Extreme |
| Oct | 9 | Very high |
| Nov | 7 | High |
| Dec | 6 | High |
Where is Joint Base Pearl Harbor Hickam?
Joint Base Pearl Harbor Hickam sits at 21.3°N, 157.9°W, 39 ft above sea level, in United States. The nearest listed city is Airport, 1.2 mi away.
Topography around Joint Base Pearl Harbor Hickam
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Joint Base Pearl Harbor Hickam.
Within 2 miles, the terrain around Joint Base Pearl Harbor Hickam has only modest variations in elevation — a maximum elevation change of 269 ft around an average of 20 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,812 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 3,983 ft.
The land around Joint Base Pearl Harbor Hickam is covered by artificial surfaces (42%) and water (27%) within 2 miles, trees (34%) and water (33%) within 10 miles, and water (87%) within 50 miles.
United States travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 100% of US
- price level, 2025
- GDP per capita
- $90,027
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 5.8
- per 100k, 2023
- Road deaths
- 12.7
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Joint Base Pearl Harbor Hickam (21.3491°, -157.9471°, elevation 39 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.