Bainbridge Island weather in May

In May, Bainbridge Island sees average daytime highs of 61°F and overnight lows near 49°F, with 2.6 in of rain across 11.9 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 59°F in the first days to 63°F by the end. The sky is clear or mostly clear about 22% 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 24 min by month's end. Set against the rest of the year, May is Bainbridge Island's 6th-clearest and 9th-windiest month. For the whole year in context, see Bainbridge Island's year-round climate.

Daytime high
61°
5th warmest
Overnight low
49°
8th coldest
Rainfall
2.6 in
11.9 wet days
Daylight
14 h 54 min
4:39 AM – 7:34 PM
Cloud cover
65%
6th clearest
Wind
5 mph
9th windiest
Solar energy
5.31 kWh/m²
Travel score
4.8
out of 10

Bainbridge Island is city in Kitsap County, Washington, United States.

Density
141/km²
people per km²
Founded
1841

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 59°F in the first days to 63°F by the end.

A typical May day in Bainbridge Island reaches about 61°F in the afternoon and slips back to 49°F overnight — a 12°F spread between the day's warmth and the night's chill. On most days the high lands between 54°F and 69°F. Set against its neighbours, May runs about 6°F warmer than April and about 4°F cooler than June.

40°50°60°70°80°151015202531
Avg high (°F)Avg low (°F)
15847
25847
35947
45947
55947
65947
76048
86048
96048
106048
116048
126049
136149
146149
156149
166149
176149
186250
196250
206250
216250
226250
236251
246251
256351
266351
276351
286351
296351
306351
316452

Bainbridge Island 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
Jan46° / 40°6.217.71.98.71.0
Feb48° / 40°4.114.51.49.91.4
Mar51° / 42°4.7170.811.62.1
Apr55° / 45°3.714.80.113.33.1
May61° / 49°2.611.9014.94.8
Jun65° / 53°2.410.3015.75.9
Jul71° / 57°1.36.2015.47.5
Aug72° / 58°1.45.7014.17.7
Sep66° / 55°2.49012.46.4
Oct58° / 49°4.814.9010.63.8
Nov50° / 43°6.917.70.59.11.8
Dec45° / 40°6.617.42.28.30.9

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 16% of May, with mostly cloudy or overcast conditions the remaining 63%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24159
34159
44159
54258
64258
74258
84159
94258
104258
114159
123961
133961
143862
153862
163763
173664
183565
193565
203565
213466
223466
233466
243466
253466
263466
273565
283664
293664
303664
313763

Chance of precipitation in May

Any precipitation

Bainbridge Island gets around 2.6 in of rain over 11.9 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 38% and peaks near 43% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
143
243
342
441
540
640
739
839
939
1038
1138
1238
1338
1438
1538
1638
1738
1838
1938
2038
2138
2238
2337
2437
2537
2637
2736
2836
2936
3036
3136

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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
11000
21000
3991
4991
5991
6991
7991
8991
9991
10991
111000
121000
131000
141000
151000
16991
17991
18991
19991
20991
21991
22991
23982
24982
25982
26982
27982
28982
29982
30973
31973

Wind in May

Winds average 5 mph in May.

Across May, daily wind ranges from about 5 mph on the calmest days to 5 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 12 min at the start of May to 15 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 72 minutes over May. Sunrise moves from 5:01 AM to 4:24 AM, and sunset from 7:13 PM to 7:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.25:017:13
214.25:007:15
314.34:587:16
414.34:567:17
514.44:557:19
614.44:537:20
714.54:527:22
814.54:507:23
914.64:497:24
1014.64:477:26
1114.74:467:27
1214.74:447:28
1314.84:437:30
1414.84:427:31
1514.94:407:32
1614.94:397:34
1715.04:387:35
1815.04:377:36
1915.04:357:37
2015.14:347:39
2115.14:337:40
2215.14:327:41
2315.24:317:42
2415.24:307:43
2515.34:297:45
2615.34:287:46
2715.34:277:47
2815.44:267:48
2915.44:267:49
3015.44:257:50
3115.44:247:51

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.31 kWh/m².

For context, solar energy here swings from a low near 0.86 kWh/m² to a high of 6.07 kWh/m² in July across the year — May's 5.31 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.1Bright
35.1Bright
45.2Bright
55.2Bright
65.2Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.4Bright
315.4Bright
Planning a trip in May

Hazard calendar for Bainbridge Island

In seasonPeak

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

Bainbridge Island'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 Bainbridge Island?

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

4.8
Sightseeing
5th-best month of the year
0.8
Beach & pool
5th-best month of the year

May is a reasonable time to visit Bainbridge Island for sightseeing.

What to pack for Bainbridge Island in May

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

In May, Bainbridge Island sees daytime highs around 61°F and nights near 49°F. Worth packing: a warm layer, rain gear and sun protection. About 12 days see rain.

a warm layerrain gearsun protection

Sea temperature near Bainbridge Island 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 38 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 Bainbridge Island 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 Bainbridge Island 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 Bainbridge Island 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 Bainbridge Island 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 Bainbridge Island?

Bainbridge Island sits at 47.6°N, 122.5°W, 89 ft above sea level, in United States. The nearest listed city is Bremerton, 6.8 mi away.

Topography around Bainbridge Island

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

Within 2 miles, the terrain around Bainbridge Island has only modest variations in elevation — a maximum elevation change of 453 ft around an average of 144 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 623 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 7,589 ft.

The land around Bainbridge Island is covered by trees (64%) and water (26%) within 2 miles, water (44%) and trees (40%) within 10 miles, and trees (70%) within 50 miles.

2 miles
453 ft
10 miles
623 ft
50 miles
7,589 ft
treesgrasslandartificial surfacesbare terrainwater
May weather nearby: Bremerton 6.8 mi · Silverdale 8.1 mi · Seattle 8.7 mi · Columbia City 12 mi · Shoreline 12 mi · Burien 14 mi · Edmonds 14 mi · Mercer Island 14 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 Bainbridge Island (47.6262°, -122.5212°, elevation 89 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).