Lake Stevens weather in May

In May, Lake Stevens sees average daytime highs of 63°F and overnight lows near 46°F, with 4.3 in of precipitation across 13 wet days and about 14.9 hours of daylight. It is the 5th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 60°F in the first days to 64°F by the end. The sky is clear or mostly clear about 19% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 12 min at the start of May to 15 h 30 min by month's end. Set against the rest of the year, May is Lake Stevens's 6th-clearest and 8th-windiest month. For the whole year in context, see Lake Stevens's year-round climate.

Daytime high
63°
5th warmest
Overnight low
46°
8th coldest
Precipitation
4.3 in
13 wet days
Daylight
14 h 54 min
4:36 AM – 7:33 PM
Cloud cover
68%
6th clearest
Wind
4 mph
8th windiest
Solar energy
5.22 kWh/m²
Travel score
5.0
out of 10

Lake Stevens is city in Snohomish County, Washington, United States.

Density
1,342/km²
people per km²
Founded
1889

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 60°F in the first days to 64°F by the end.

A typical May day in Lake Stevens reaches about 63°F in the afternoon and slips back to 46°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 53°F and 74°F. Set against its neighbours, May runs about 6°F warmer than April and about 4°F cooler than June.

30°40°50°60°70°80°151015202531
Avg high (°F)Avg low (°F)
16043
26043
36043
46144
56144
66144
76144
86244
96244
106245
116245
126245
136245
146346
156346
166346
176346
186347
196347
206447
216447
226447
236447
246448
256448
266448
276448
286448
296448
306548
316549

How May really feels in Lake Stevens

Once humidity and wind are folded in, May averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

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

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Lake Stevens weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan44° / 35°11.019.55.58.60.6
Feb47° / 35°7.115.74.69.91.3
Mar51° / 37°8.619.83.611.62.0
Apr57° / 41°6.517.10.913.43.2
May63° / 46°4.3130.114.95.0
Jun66° / 50°3.410.7015.85.9
Jul73° / 54°1.66.2015.47.6
Aug73° / 53°1.85.7014.17.8
Sep67° / 49°4.09.2012.46.5
Oct57° / 43°8.715.4010.63.7
Nov48° / 37°12.019.62.191.4
Dec43° / 34°10.619.268.20.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 14% of May, with mostly cloudy or overcast conditions the remaining 67%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13367
23367
33367
43367
53367
63466
73466
83466
93466
103466
113466
123466
133466
143466
153367
163367
173268
183169
193169
203169
213169
223268
233268
243268
253268
263367
273466
283466
293367
303466
313466

Chance of precipitation in May

Any precipitation

Lake Stevens gets around 4.3 in of rain and snow over 13 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 42% and peaks near 50% on the wettest days, and about 0 day brings snow. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
150
249
348
447
546
645
744
843
942
1042
1141
1241
1341
1441
1541
1641
1741
1841
1941
2041
2141
2242
2341
2441
2541
2641
2740
2840
2940
3040
3140

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 98% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1991
2991
3991
4991
5991
6991
7991
8991
9991
10991
11982
12982
13982
14982
15982
16982
17982
18982
19982
20973
21973
22973
23973
24973
25973
26964
27964
28964
29964
30955
31955

Wind in May

Winds average 4 mph in May.

Across May, daily wind ranges from about 4 mph on the calmest days to 4 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 12 min at the start of May to 15 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 78 minutes over May. Sunrise moves from 4:59 AM to 4:21 AM, and sunset from 7:12 PM to 7:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.24:597:12
214.34:577:14
314.34:557:15
414.44:547:17
514.44:527:18
614.54:507:19
714.54:497:21
814.64:477:22
914.64:467:24
1014.74:447:25
1114.74:437:26
1214.84:417:28
1314.84:407:29
1414.94:397:30
1514.94:377:32
1614.94:367:33
1715.04:357:34
1815.04:337:36
1915.14:327:37
2015.14:317:38
2115.24:307:39
2215.24:297:41
2315.24:287:42
2415.34:277:43
2515.34:267:44
2615.34:257:45
2715.44:247:46
2815.44:237:47
2915.44:227:49
3015.54:217:50
3115.54:217:51

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.22 kWh/m².

For context, solar energy here swings from a low near 0.83 kWh/m² to a high of 6.11 kWh/m² in July across the year — May's 5.22 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.9Bright
25.0Bright
35.0Bright
45.0Bright
55.1Bright
65.1Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in May

Hazard calendar for Lake Stevens

In seasonPeak

None of Lake Stevens's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Lake Stevens'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 May a good time to visit Lake Stevens?

Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.0
Sightseeing
5th-best month of the year
1.2
Beach & pool
5th-best month of the year

May is a reasonable time to visit Lake Stevens for sightseeing.

What to pack for Lake Stevens in May

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

In May, Lake Stevens sees daytime highs around 63°F and nights near 46°F. Worth packing: a warm layer, rain gear and sun protection. About 13 days see rain.

a warm layerrain gearsun protection

Sea temperature near Lake Stevens in May

The nearest coast averages about 50°F in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 39 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 Lake Stevens in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Lake Stevens 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 Lake Stevens in May

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Lake Stevens 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 Lake Stevens?

Lake Stevens sits at 48.0°N, 122.1°W, 217 ft above sea level, in United States. The nearest listed city is West Lake Stevens, 2.5 mi away.

Topography around Lake Stevens

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

Within 2 miles, the terrain around Lake Stevens has only modest variations in elevation — a maximum elevation change of 361 ft around an average of 276 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,382 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 10,427 ft.

The land around Lake Stevens is covered by trees (66%) within 2 miles, trees (68%) within 10 miles, and trees (71%) within 50 miles.

2 miles
361 ft
10 miles
2,382 ft
50 miles
10,427 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: West Lake Stevens 2.5 mi · Marysville 5.6 mi · Everett 6.8 mi · Eastmont 9.9 mi · Silver Firs 11 mi · Monroe 12 mi · Mukilteo 12 mi · Mill Creek 12 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 Lake Stevens (48.0151°, -122.0637°, elevation 217 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).