Arlington in Spring

In spring (March, April and May), Arlington sees average daytime highs around 56°F and overnight lows near 43°F, with 17.0 in of precipitation over about 48 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.

Over the season highs climb from about 49°F in early March to 64°F by late May. The sky is clear or mostly clear about 18% of the time across spring, and the air most often feels dry.

Spring is Arlington's 3rd-best season to visit on our travel score. For the whole year in context, see Arlington's year-round climate.

Avg daytime high
56°F
3rd-warmest season
Avg overnight low
43°F
Precipitation
17.0 in
48 wet days
Avg wind
5 mph
Travel score
3.4
3rd-best season
Months
Mar · Apr · May

Temperature in Arlington in Spring

Average highAverage lowShaded bands: 10–90% of days

Over the season highs climb from about 49°F in early March to 64°F by late May.

A typical spring day in Arlington reaches about 56°F and drops to 43°F overnight. The warmest of the three months is May, the coolest March.

20°40°60°80°MarAprMay

How spring really feels in Arlington

Once humidity and wind are folded in, spring brings about 0 days that feel above 90°F and 3 that feel at or below 32°F.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
3
wind chill below the day's low

The story in spring is cold — wind chill drags the overnight "feels like" below the raw low.

Arlington 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.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan44° / 36°9.319.15.38.60.6
Feb47° / 36°6.115.54.59.91.2
Mar51° / 38°7.619.63.711.61.9
Apr56° / 42°5.616.4113.43.2
May62° / 47°3.812.10.114.95.0
Jun66° / 51°2.89.8015.86.0
Jul72° / 55°1.35.2015.57.8
Aug73° / 55°1.65.5014.17.8
Sep67° / 50°3.48.8012.46.5
Oct57° / 44°7.214.9010.63.7
Nov48° / 38°10.419.22.291.4
Dec43° / 35°9.319.26.18.20.4

Cloud cover in Spring

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time across spring.

0%25%50%75%100%MarAprMay

Chance of precipitation in Spring

Any precipitationSnow

Arlington gets around 17.0 in of rain and snow over 48 wet days across spring. The line is the day-by-day chance of measurable precipitation.

0%20%40%60%80%MarAprMay

Humidity in Spring

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%MarAprMay

Wind in Spring

Winds average 5 mph across spring.

0246810MarAprMay

Sunrise & sunset in Spring

DaylightNight

Daylight runs from about 10 h 42 min in early March to 15 h 30 min by late May. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMMarAprMay

Solar energy in Spring

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across spring, about 4.2 kWh/m².

0246MarAprMay
Planning a trip in spring

Hazard calendar for Arlington

In seasonPeak

In spring, Arlington overlaps its rainy season season. The full year is below, with each hazard's peak months called out.

Arlington's rainy season runs October–April, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is spring a good time to visit Arlington?

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.

3.4
Sightseeing
3rd-best month of the year
0.4
Beach & pool
3rd-best month of the year

spring is a weaker month for outdoor sightseeing in Arlington.

What to pack for Arlington in Spring

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

In spring, Arlington sees daytime highs around 56°F and nights near 43°F. Pack a warm layer and rain gear. Worth having: sun protection. About 48 days see rain.

a warm layerrain gearsun protection

Sea temperature near Arlington in Spring

The nearest coast averages about 48°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 35 mi away) is warmest in August at about 53°F and coldest in February near 46°F.

The water stays below 68°F all year — cool enough that most swimmers want a wetsuit.

45°50°55°JanFebMarAprMayJunJulAugSepOctNovDecbracing
Sea temperature (°F)Comfort
Jan46Bracing
Feb46Bracing
Mar47Bracing
Apr48Bracing
May50Bracing
Jun52Bracing
Jul53Bracing
Aug53Bracing
Sep53Bracing
Oct50Bracing
Nov49Bracing
Dec47Bracing

UV index in Arlington in Spring

LowModerateHighVery highExtreme

Clear-sky midday UV across spring averages around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Arlington peaks around July 17 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 18 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 17UV 8Dec 18UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar4Moderate
Apr5Moderate
May7High
Jun6High
Jul8Very high
Aug6High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Arlington in Spring

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.

Air quality in Arlington is worst in August — around 20 µg/m³ PM2.5 (moderate), about 3.1× the cleanest month (December, 6 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodGoodModerateGoodModerateGoodAug 2119 µg/m³Dec 157 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb10Good
Mar12Moderate
Apr12Good
May13Moderate
Jun11Good
Jul10Good
Aug20Moderate
Sep18Moderate
Oct11Good
Nov7Good
Dec6Good
Location & terrain

Where is Arlington?

Arlington sits at 48.2°N, 122.1°W, 115 ft above sea level, in United States. The nearest listed city is Marysville, 11 mi away.

Topography around Arlington

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

Within 2 miles, the terrain around Arlington has only modest variations in elevation — a maximum elevation change of 479 ft around an average of 157 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 3,297 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 10,755 ft.

The land around Arlington is covered by trees (51%) and grassland (32%) within 2 miles, trees (76%) within 10 miles, and trees (66%) and water (21%) within 50 miles.

2 miles
479 ft
10 miles
3,297 ft
50 miles
10,755 ft
treesgrasslandcroplandartificial surfacesbare terrainsnow and icewater
Spring weather nearby: Marysville 11 mi · Lake Stevens 13 mi · West Lake Stevens 14 mi · Everett 16 mi · Mount Vernon 18 mi · Mukilteo 19 mi · Eastmont 21 mi · Silver Firs 23 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
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

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 Arlington (48.1987°, -122.1251°, elevation 115 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.