Covington weather in May

In May, Covington sees average daytime highs of 62°F and overnight lows near 44°F, with 3.8 in of precipitation across 13.3 wet days and about 14.8 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 18% 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 Covington's 6th-clearest and 8th-windiest month. For the whole year in context, see Covington's year-round climate.

Daytime high
62°
5th warmest
Overnight low
44°
8th coldest
Precipitation
3.8 in
13.3 wet days
Daylight
14 h 54 min
4:38 AM – 7:31 PM
Cloud cover
69%
6th clearest
Wind
4 mph
8th windiest
Solar energy
5.31 kWh/m²
Travel score
4.7
out of 10

Covington is city in Washington, United States.

Density
1,244/km²
people per km²
Founded
1997

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 Covington reaches about 62°F in the afternoon and slips back to 44°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 52°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)
15941
25941
35941
46042
56042
66042
76042
86042
96043
106143
116143
126143
136144
146144
156244
166244
176244
186245
196245
206245
216245
226345
236346
246346
256346
266346
276346
286346
296346
306447
316447

How May really feels in Covington

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.

Covington 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° / 34°8.718.86.38.70.6
Feb47° / 34°6.115.64.99.91.1
Mar50° / 35°6.818.95.311.61.9
Apr55° / 39°5.416.71.913.33.0
May62° / 44°3.813.30.214.84.7
Jun65° / 48°2.910.7015.75.8
Jul72° / 52°1.15.5015.37.7
Aug73° / 52°1.35.1014.17.9
Sep67° / 48°3.18.8012.46.5
Oct57° / 42°6.314.60.110.63.7
Nov48° / 36°9.218.52.69.11.4
Dec43° / 33°8.718.56.88.30.3

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 13% of May, with mostly cloudy or overcast conditions the remaining 69%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13169
23268
33268
43268
53268
63268
73367
83367
93367
103367
113367
123367
133169
143070
153070
163070
173070
183070
193070
202971
212971
222971
232971
243070
253070
263070
273070
283070
293169
303169
313169

Chance of precipitation in May

Any precipitationSnow

Covington gets around 3.8 in of rain and snow over 13.3 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 43% 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 (%)Snow chance (%)
1502
2492
3492
4482
5471
6461
7461
8451
9451
10441
11441
12441
13431
14431
15430
16430
17430
18430
19420
20420
21420
22410
23410
24400
25390
26380
27380
28370
29370
30370
31370

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
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
21991
22982
23982
24982
25982
26982
27982
28982
29973
30973
31973

Wind in May

Winds average 4 mph in May.

Across May, daily wind ranges from about 4 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
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 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 5:00 AM to 4:23 AM, and sunset from 7:11 PM to 7:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.25:007:11
214.24:597:12
314.34:577:14
414.34:567:15
514.44:547:16
614.44:527:18
714.54:517:19
814.54:497:21
914.64:487:22
1014.64:467:23
1114.74:457:25
1214.74:447:26
1314.74:427:27
1414.84:417:29
1514.84:407:30
1614.94:387:31
1714.94:377:32
1815.04:367:34
1915.04:357:35
2015.04:347:36
2115.14:327:37
2215.14:317:38
2315.24:307:40
2415.24:297:41
2515.24:287:42
2615.34:287:43
2715.34:277:44
2815.34:267:45
2915.44:257:46
3015.44:247:47
3115.44:237:48

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 0.94 kWh/m² to a high of 6.29 kWh/m² in July across the year — May's 5.31 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
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 Covington

In seasonPeak

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

Covington'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 Covington?

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

4.7
Sightseeing
5th-best month of the year
0.9
Beach & pool
5th-best month of the year

May is a reasonable time to visit Covington for sightseeing.

What to pack for Covington in May

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

In May, Covington sees daytime highs around 62°F and nights near 44°F. Worth packing: a warm layer, rain gear and sun protection. About 13 days see rain.

a warm layerrain gearsun protection

UV index in Covington 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 Covington peaks around July 17 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 17UV 8Dec 17UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5Moderate
May7Very high
Jun6High
Jul9Very high
Aug6High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Covington 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 Covington is worst in September — around 22 µg/m³ PM2.5 (moderate), about 3.4× the cleanest month (December, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodGoodModerateGoodSep 1322 µg/m³Dec 177 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar12Moderate
Apr12Good
May11Good
Jun10Good
Jul10Good
Aug18Moderate
Sep22Moderate
Oct12Good
Nov8Good
Dec7Good
Location & terrain

Where is Covington?

Covington sits at 47.4°N, 122.1°W, 381 ft above sea level, in United States. The nearest listed city is Maple Valley, 4.3 mi away.

Topography around Covington

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

Within 2 miles, the terrain around Covington has only modest variations in elevation — a maximum elevation change of 328 ft around an average of 420 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,818 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 14,350 ft.

The land around Covington is covered by trees (64%) within 2 miles, trees (66%) within 10 miles, and trees (77%) within 50 miles.

2 miles
328 ft
10 miles
1,818 ft
50 miles
14,350 ft
treesgrasslandcroplandartificial surfacesbare terrainsnow and icewater
May weather nearby: Maple Valley 4.3 mi · East Hill-Meridian 4.3 mi · Kent 5.6 mi · Auburn 6.2 mi · Fairwood 6.2 mi · Federal Way 9.3 mi · Renton 9.9 mi · Des Moines 9.9 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 Covington (47.3582°, -122.1222°, elevation 381 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. 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).