Lacey weather in May

In May, Lacey sees average daytime highs of 63°F and overnight lows near 48°F, with 2.9 in of rain across 10.7 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 61°F in the first days to 65°F by the end. The sky is clear or mostly clear about 17% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 06 min at the start of May to 15 h 24 min by month's end. Set against the rest of the year, May is Lacey's 6th-clearest and 9th-windiest month. For the whole year in context, see Lacey's year-round climate.

Daytime high: 63°; 5th warmest
Overnight low: 48°; 8th coldest
Rainfall: 2.9 in; 10.7 wet days
Daylight: 14 h 48 min; 4:42 AM – 7:33 PM
Cloud cover: 68%; 6th clearest
Wind: 5 mph; 9th windiest
Solar energy: 5.41 kWh/m²
Travel score: 5.4; out of 10

Lacey is city in Thurston County, Washington, United States.

Density: 1,078/km²; people per km²
Founded: 1966

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

← April Lacey year-round climate June →Best places to visit in May

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 61°F in the first days to 65°F by the end.

A typical May day in Lacey reaches about 63°F in the afternoon and slips back to 48°F overnight — a 15°F spread between the day's warmth and the night's chill. On most days the high lands between 55°F and 74°F. Set against its neighbours, May runs about 6°F warmer than April and about 5°F cooler than June.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°F)	60	60	61	61	61	61	62	62	62	62	62	63	63	63	63	64	64	64	64	64	64	64	65	65	65	65	65	65	65	66	66
Avg low (°F)	46	46	46	46	46	47	47	47	47	47	47	48	48	48	48	48	49	49	49	49	49	49	49	50	50	50	50	50	50	51	51

	Avg high (°F)	Avg low (°F)
1	60	46
2	60	46
3	61	46
4	61	46
5	61	46
6	61	47
7	62	47
8	62	47
9	62	47
10	62	47
11	62	47
12	63	48
13	63	48
14	63	48
15	63	48
16	64	48
17	64	49
18	64	49
19	64	49
20	64	49
21	64	49
22	64	49
23	65	49
24	65	50
25	65	50
26	65	50
27	65	50
28	65	50
29	65	50
30	66	51
31	66	51

Lacey 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.

Month	High / Low (°F)	Rainfall (inches)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	45° / 38°	7.2	17.6	2.6	8.7	0.9
Feb	48° / 38°	5.1	14.1	2.2	10	1.5
Mar	52° / 40°	6.0	17.4	1.3	11.6	2.2
Apr	57° / 43°	4.6	14.8	0.1	13.3	3.4
May	63° / 48°	2.9	10.7	0	14.8	5.4
Jun	68° / 52°	1.8	7.7	0	15.6	6.5
Jul	74° / 56°	0.7	3.5	0	15.3	8.2
Aug	75° / 56°	1.0	4	0	14	8.2
Sep	69° / 53°	2.1	7.3	0	12.4	7.0
Oct	59° / 47°	4.9	12.7	0	10.6	4.3
Nov	50° / 41°	8.0	17.6	0.6	9.1	1.8
Dec	45° / 38°	7.6	16.8	2.5	8.4	0.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% 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 69%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	33	33	34	33	33	34	34	33	32	32	31	31	31	29	29	29	29	28	29	29	29	29	29	31	31	32	32	33	33	33	33
Cloudier (%)	67	67	66	67	67	66	66	67	68	68	69	69	69	71	71	71	71	72	71	71	71	71	71	69	69	68	68	67	67	67	67

	Clearer (%)	Cloudier (%)
1	33	67
2	33	67
3	34	66
4	33	67
5	33	67
6	34	66
7	34	66
8	33	67
9	32	68
10	32	68
11	31	69
12	31	69
13	31	69
14	29	71
15	29	71
16	29	71
17	29	71
18	28	72
19	29	71
20	29	71
21	29	71
22	29	71
23	29	71
24	31	69
25	31	69
26	32	68
27	32	68
28	33	67
29	33	67
30	33	67
31	33	67

Chance of precipitation in May

Any precipitation

Lacey gets around 2.9 in of rain over 10.7 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 35% and peaks near 40% on the wettest days. The odds ease toward the end of the month.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	40	39	39	38	37	37	36	36	36	35	35	35	35	35	35	35	35	35	34	34	34	34	33	33	32	32	31	31	30	30	30

	Rain chance (%)
1	40
2	39
3	39
4	38
5	37
6	37
7	36
8	36
9	36
10	35
11	35
12	35
13	35
14	35
15	35
16	35
17	35
18	35
19	34
20	34
21	34
22	34
23	33
24	33
25	32
26	32
27	31
28	31
29	30
30	30
31	30

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.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Dry (%)	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	98	98	97	97	96	96	96	95	95	95
Comfortable (%)	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	2	2	2	2	3	3	3	4	4	4
Humid (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	1	1	1	1	1	1

	Dry (%)	Comfortable (%)	Humid (%)
1	99	1	0
2	99	1	0
3	99	1	0
4	99	1	0
5	99	1	0
6	99	1	0
7	99	1	0
8	99	1	0
9	99	1	0
10	99	1	0
11	99	1	0
12	99	1	0
13	99	1	0
14	99	1	0
15	99	1	0
16	99	1	0
17	99	1	0
18	99	1	0
19	99	1	0
20	99	1	0
21	99	1	0
22	98	2	0
23	98	2	0
24	97	2	1
25	97	2	1
26	96	3	1
27	96	3	1
28	96	3	1
29	95	4	1
30	95	4	1
31	95	4	1

Wind in May

Winds average 5 mph in May.

Across May, daily wind ranges from about 5 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (mph)	6	6	6	6	6	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (mph)	Feels
1	6	calm
2	6	calm
3	6	calm
4	6	calm
5	6	calm
6	5	calm
7	5	calm
8	5	calm
9	5	calm
10	5	calm
11	5	calm
12	5	calm
13	5	calm
14	5	calm
15	5	calm
16	5	calm
17	5	calm
18	5	calm
19	5	calm
20	5	calm
21	5	calm
22	5	calm
23	5	calm
24	5	calm
25	5	calm
26	5	calm
27	5	calm
28	5	calm
29	5	calm
30	5	calm
31	5	calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 06 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 78 minutes over May. Sunrise moves from 5:04 AM to 4:27 AM, and sunset from 7:13 PM to 7:50 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	14.1	14.2	14.2	14.3	14.3	14.4	14.4	14.5	14.5	14.6	14.6	14.7	14.7	14.8	14.8	14.8	14.9	14.9	15.0	15.0	15.0	15.1	15.1	15.2	15.2	15.2	15.3	15.3	15.3	15.3	15.4
Sunrise (AM)	5:04	5:02	5:01	4:59	4:58	4:56	4:55	4:53	4:52	4:50	4:49	4:47	4:46	4:45	4:43	4:42	4:41	4:40	4:39	4:37	4:36	4:35	4:34	4:33	4:32	4:31	4:31	4:30	4:29	4:28	4:27
Sunset (PM)	7:13	7:14	7:16	7:17	7:18	7:20	7:21	7:22	7:24	7:25	7:26	7:28	7:29	7:30	7:32	7:33	7:34	7:35	7:37	7:38	7:39	7:40	7:41	7:42	7:44	7:45	7:46	7:47	7:48	7:49	7:50

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	14.1	5:04	7:13
2	14.2	5:02	7:14
3	14.2	5:01	7:16
4	14.3	4:59	7:17
5	14.3	4:58	7:18
6	14.4	4:56	7:20
7	14.4	4:55	7:21
8	14.5	4:53	7:22
9	14.5	4:52	7:24
10	14.6	4:50	7:25
11	14.6	4:49	7:26
12	14.7	4:47	7:28
13	14.7	4:46	7:29
14	14.8	4:45	7:30
15	14.8	4:43	7:32
16	14.8	4:42	7:33
17	14.9	4:41	7:34
18	14.9	4:40	7:35
19	15.0	4:39	7:37
20	15.0	4:37	7:38
21	15.0	4:36	7:39
22	15.1	4:35	7:40
23	15.1	4:34	7:41
24	15.2	4:33	7:42
25	15.2	4:32	7:44
26	15.2	4:31	7:45
27	15.3	4:31	7:46
28	15.3	4:30	7:47
29	15.3	4:29	7:48
30	15.3	4:28	7:49
31	15.4	4:27	7:50

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.41 kWh/m².

For context, solar energy here swings from a low near 0.9 kWh/m² to a high of 6.31 kWh/m² in July across the year — May's 5.41 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	5.1	5.2	5.2	5.2	5.3	5.3	5.3	5.3	5.4	5.4	5.4	5.4	5.4	5.4	5.4	5.4	5.4	5.4	5.4	5.4	5.4	5.4	5.4	5.4	5.5	5.5	5.5	5.5	5.5	5.5	5.5
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	5.1	Bright
2	5.2	Bright
3	5.2	Bright
4	5.2	Bright
5	5.3	Bright
6	5.3	Bright
7	5.3	Bright
8	5.3	Bright
9	5.4	Bright
10	5.4	Bright
11	5.4	Bright
12	5.4	Bright
13	5.4	Bright
14	5.4	Bright
15	5.4	Bright
16	5.4	Bright
17	5.4	Bright
18	5.4	Bright
19	5.4	Bright
20	5.4	Bright
21	5.4	Bright
22	5.4	Bright
23	5.4	Bright
24	5.4	Bright
25	5.5	Bright
26	5.5	Bright
27	5.5	Bright
28	5.5	Bright
29	5.5	Bright
30	5.5	Bright
31	5.5	Bright

Planning a trip in May

Hazard calendar for Lacey

In seasonPeak

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

Lacey'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 Lacey?

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

5.4

Sightseeing

5th-best month of the year

1.5

Beach & pool

5th-best month of the year

May is a reasonable time to visit Lacey for sightseeing.

What to pack for Lacey in May

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

In May, Lacey sees daytime highs around 63°F and nights near 48°F. Worth packing: rain gear and sun protection. About 11 days see rain.

rain gearsun protection

UV index in Lacey 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 Lacey peaks around July 17 at about 8 (very high) — sunscreen, a hat and midday shade are essential. 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 8 months of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	1	1	4	5	7	6	8	6	4	3	1	1
Level	Low	Low	Moderate	Moderate	Very high	High	Very high	High	Moderate	Moderate	Low	Low

	UV index (midday)	Level
Jan	1	Low
Feb	1	Low
Mar	4	Moderate
Apr	5	Moderate
May	7	Very high
Jun	6	High
Jul	8	Very high
Aug	6	High
Sep	4	Moderate
Oct	3	Moderate
Nov	1	Low
Dec	1	Low

Location & terrain

Where is Lacey?

Lacey sits at 47.0°N, 122.8°W, 203 ft above sea level, in United States. The nearest listed city is Olympia, 3.7 mi away.

Topography around Lacey

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

Within 2 miles, the terrain around Lacey has only modest variations in elevation — a maximum elevation change of 256 ft around an average of 200 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,293 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 12,067 ft.

The land around Lacey is covered by trees (63%) and artificial surfaces (21%) within 2 miles, trees (62%) within 10 miles, and trees (80%) within 50 miles.

2 miles

256 ft

trees 63%

10 miles

1,293 ft

trees 62%

50 miles

12,067 ft

trees 80%

treesgrasslandcroplandartificial surfaceswater

← April Lacey year-round climate June →Best places to visit in May

May weather nearby: Olympia 3.7 mi · Tumwater 4.3 mi · Lakewood 17 mi · Spanaway 19 mi · University Place 19 mi · Parkland 20 mi · Frederickson 22 mi · Centralia 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

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 Lacey (47.0343°, -122.8232°, elevation 203 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).

	Avg high (°F)	Avg low (°F)
1	60	46
2	60	46
3	61	46
4	61	46
5	61	46
6	61	47
7	62	47
8	62	47
9	62	47
10	62	47
11	62	47
12	63	48
13	63	48
14	63	48
15	63	48
16	64	48
17	64	49
18	64	49
19	64	49
20	64	49
21	64	49
22	64	49
23	65	49
24	65	50
25	65	50
26	65	50
27	65	50
28	65	50
29	65	50
30	66	51
31	66	51

	Clearer (%)	Cloudier (%)
1	33	67
2	33	67
3	34	66
4	33	67
5	33	67
6	34	66
7	34	66
8	33	67
9	32	68
10	32	68
11	31	69
12	31	69
13	31	69
14	29	71
15	29	71
16	29	71
17	29	71
18	28	72
19	29	71
20	29	71
21	29	71
22	29	71
23	29	71
24	31	69
25	31	69
26	32	68
27	32	68
28	33	67
29	33	67
30	33	67
31	33	67

	Rain chance (%)
1	40
2	39
3	39
4	38
5	37
6	37
7	36
8	36
9	36
10	35
11	35
12	35
13	35
14	35
15	35
16	35
17	35
18	35
19	34
20	34
21	34
22	34
23	33
24	33
25	32
26	32
27	31
28	31
29	30
30	30
31	30

	Dry (%)	Comfortable (%)	Humid (%)
1	99	1	0
2	99	1	0
3	99	1	0
4	99	1	0
5	99	1	0
6	99	1	0
7	99	1	0
8	99	1	0
9	99	1	0
10	99	1	0
11	99	1	0
12	99	1	0
13	99	1	0
14	99	1	0
15	99	1	0
16	99	1	0
17	99	1	0
18	99	1	0
19	99	1	0
20	99	1	0
21	99	1	0
22	98	2	0
23	98	2	0
24	97	2	1
25	97	2	1
26	96	3	1
27	96	3	1
28	96	3	1
29	95	4	1
30	95	4	1
31	95	4	1

	Avg high (°F)	Avg low (°F)
1	60	46
2	60	46
3	61	46
4	61	46
5	61	46
6	61	47
7	62	47
8	62	47
9	62	47
10	62	47
11	62	47
12	63	48
13	63	48
14	63	48
15	63	48
16	64	48
17	64	49
18	64	49
19	64	49
20	64	49
21	64	49
22	64	49
23	65	49
24	65	50
25	65	50
26	65	50
27	65	50
28	65	50
29	65	50
30	66	51
31	66	51

	Clearer (%)	Cloudier (%)
1	33	67
2	33	67
3	34	66
4	33	67
5	33	67
6	34	66
7	34	66
8	33	67
9	32	68
10	32	68
11	31	69
12	31	69
13	31	69
14	29	71
15	29	71
16	29	71
17	29	71
18	28	72
19	29	71
20	29	71
21	29	71
22	29	71
23	29	71
24	31	69
25	31	69
26	32	68
27	32	68
28	33	67
29	33	67
30	33	67
31	33	67

	Rain chance (%)
1	40
2	39
3	39
4	38
5	37
6	37
7	36
8	36
9	36
10	35
11	35
12	35
13	35
14	35
15	35
16	35
17	35
18	35
19	34
20	34
21	34
22	34
23	33
24	33
25	32
26	32
27	31
28	31
29	30
30	30
31	30

	Dry (%)	Comfortable (%)	Humid (%)
1	99	1	0
2	99	1	0
3	99	1	0
4	99	1	0
5	99	1	0
6	99	1	0
7	99	1	0
8	99	1	0
9	99	1	0
10	99	1	0
11	99	1	0
12	99	1	0
13	99	1	0
14	99	1	0
15	99	1	0
16	99	1	0
17	99	1	0
18	99	1	0
19	99	1	0
20	99	1	0
21	99	1	0
22	98	2	0
23	98	2	0
24	97	2	1
25	97	2	1
26	96	3	1
27	96	3	1
28	96	3	1
29	95	4	1
30	95	4	1
31	95	4	1

	Avg high (°F)	Avg low (°F)
1	60	46
2	60	46
3	61	46
4	61	46
5	61	46
6	61	47
7	62	47
8	62	47
9	62	47
10	62	47
11	62	47
12	63	48
13	63	48
14	63	48
15	63	48
16	64	48
17	64	49
18	64	49
19	64	49
20	64	49
21	64	49
22	64	49
23	65	49
24	65	50
25	65	50
26	65	50
27	65	50
28	65	50
29	65	50
30	66	51
31	66	51

	Clearer (%)	Cloudier (%)
1	33	67
2	33	67
3	34	66
4	33	67
5	33	67
6	34	66
7	34	66
8	33	67
9	32	68
10	32	68
11	31	69
12	31	69
13	31	69
14	29	71
15	29	71
16	29	71
17	29	71
18	28	72
19	29	71
20	29	71
21	29	71
22	29	71
23	29	71
24	31	69
25	31	69
26	32	68
27	32	68
28	33	67
29	33	67
30	33	67
31	33	67

	Rain chance (%)
1	40
2	39
3	39
4	38
5	37
6	37
7	36
8	36
9	36
10	35
11	35
12	35
13	35
14	35
15	35
16	35
17	35
18	35
19	34
20	34
21	34
22	34
23	33
24	33
25	32
26	32
27	31
28	31
29	30
30	30
31	30

	Dry (%)	Comfortable (%)	Humid (%)
1	99	1	0
2	99	1	0
3	99	1	0
4	99	1	0
5	99	1	0
6	99	1	0
7	99	1	0
8	99	1	0
9	99	1	0
10	99	1	0
11	99	1	0
12	99	1	0
13	99	1	0
14	99	1	0
15	99	1	0
16	99	1	0
17	99	1	0
18	99	1	0
19	99	1	0
20	99	1	0
21	99	1	0
22	98	2	0
23	98	2	0
24	97	2	1
25	97	2	1
26	96	3	1
27	96	3	1
28	96	3	1
29	95	4	1
30	95	4	1
31	95	4	1