Mililani Town in Spring

In spring (March, April and May), Mililani Town sees average daytime highs around 78°F and overnight lows near 69°F, with 4.2 in of rain over about 25 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.

Over the season highs climb from about 76°F in early March to 81°F by late May. The sky is clear or mostly clear about 29% of the time across spring, and the air most often feels humid.

Spring is Mililani Town's 2nd-best season to visit on our travel score. Mililani Town 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 Mililani Town's year-round climate.

Avg daytime high: 78°F; 3rd-warmest season
Avg overnight low: 69°F
Rainfall: 4.2 in; 25 wet days
Avg wind: 11 mph
Travel score: 7.1; 2nd-best season
Months: Mar · Apr · May

← Winter Mililani Town year-round climate Summer →

Spring Summer Fall Winter

Temperature in Mililani Town in Spring

Average highAverage lowShaded bands: 10–90% of days

Over the season highs climb from about 76°F in early March to 81°F by late May.

A typical spring day in Mililani Town reaches about 78°F and drops to 69°F overnight. The warmest of the three months is May, the coolest March.

Mililani Town 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	76° / 67°	1.6	7.3	10.8	7.6
Feb	76° / 67°	1.5	7	11.3	7.5
Mar	76° / 68°	2.1	8.9	11.8	7.2
Apr	78° / 69°	1.0	8.4	12.5	7.0
May	80° / 70°	1.1	8	13	7.0
Jun	82° / 72°	0.9	7.3	13.3	6.9
Jul	82° / 73°	0.8	7.8	13.2	6.6
Aug	83° / 74°	0.9	6.8	12.7	6.3
Sep	83° / 74°	0.8	7	12.1	6.3
Oct	82° / 73°	1.3	7.2	11.5	6.7
Nov	79° / 71°	1.8	7.7	11	7.0
Dec	77° / 69°	1.9	7.2	10.7	7.4

Cloud cover in Spring

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time across spring.

Chance of precipitation in Spring

Any precipitation

Mililani Town gets around 4.2 in of rain over 25 wet days across spring. The line is the day-by-day chance of measurable precipitation.

Humidity in Spring

DryComfortableHumidMuggyOppressiveMiserable

Most of spring feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.

Wind in Spring

Winds average 11 mph across spring.

Sunrise & sunset in Spring

DaylightNight

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

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across spring, about 6.6 kWh/m².

Planning a trip in spring

Hazard calendar for Mililani Town

In seasonPeak

In spring, Mililani Town overlaps its pacific hurricane season. The full year is below, with each hazard's peak months called out.

Mililani Town sits in the eastern Pacific hurricane zone; the season peaks August–September.

Pacific hurricane

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is spring a good time to visit Mililani Town?

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.

7.1

Sightseeing

2nd-best month of the year

6.6

Beach & pool

4th-best month of the year

spring is one of the better times to visit Mililani Town for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Mililani Town in Spring

From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In spring, Mililani Town sees daytime highs around 78°F and nights near 69°F. Pack sun protection. Worth having: light clothes and rain gear. About 25 days see rain.

sun protectionlight clothesrain gear

Sea temperature near Mililani Town 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 at the nearest coast (about 9 mi away) is warmest in September at about 81°F and coldest in February near 76°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	76	76	76	77	78	79	80	81	80	79	77
Comfort	Warm	Warm	Warm	Warm	Warm	Warm	Warm	Warm	Warm	Warm	Warm	Warm

	Sea temperature (°F)	Comfort
Jan	76	Warm
Feb	76	Warm
Mar	76	Warm
Apr	76	Warm
May	77	Warm
Jun	78	Warm
Jul	79	Warm
Aug	80	Warm
Sep	81	Warm
Oct	80	Warm
Nov	79	Warm
Dec	77	Warm

UV index in Mililani Town in Spring

LowModerateHighVery highExtreme

Clear-sky midday UV across spring averages around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mililani Town peaks around July 23 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 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)	6	9	10	11	10	11	12	12	12	9	7	6
Level	High	Very high	Extreme	Extreme	Very high	Extreme	Extreme	Extreme	Extreme	Very high	High	High

	UV index (midday)	Level
Jan	6	High
Feb	9	Very high
Mar	10	Extreme
Apr	11	Extreme
May	10	Very high
Jun	11	Extreme
Jul	12	Extreme
Aug	12	Extreme
Sep	12	Extreme
Oct	9	Very high
Nov	7	High
Dec	6	High

Location & terrain

Where is Mililani Town?

Mililani Town sits at 21.5°N, 158.0°W, 679 ft above sea level, in United States. The nearest listed city is Mililani Mauka, 2.5 mi away.

Topography around Mililani Town

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Mililani Town.

Within 2 miles, the terrain around Mililani Town has only modest variations in elevation — a maximum elevation change of 627 ft around an average of 627 ft above sea level; within 10 miles, very significant variations in elevation — a maximum elevation change of 4,006 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 3,983 ft.

The land around Mililani Town is covered by trees (41%), artificial surfaces (28%) and grassland (26%) within 2 miles, trees (54%) and grassland (28%) within 10 miles, and water (87%) within 50 miles.

2 miles

627 ft

trees 41%

10 miles

4,006 ft

trees 54%

50 miles

3,983 ft

water 87%

treesshrubsgrasslandcroplandartificial surfacesbare terrainwater

← Winter Mililani Town year-round climate Summer →

Spring weather nearby: Mililani Mauka 2.5 mi · Mililani Mauka / Launani Valley 2.5 mi · Schofield-Wheeler 3.1 mi · Wahiawā 3.7 mi · Wahiawā-Whitmore 3.7 mi · Waipahu 4.3 mi · Pearl City 4.3 mi · Schofield Barracks 4.3 mi

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 Mililani Town (21.4504°, -158.015°, elevation 679 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.