Pleasant Hill weather in May

In May, Pleasant Hill sees average daytime highs of 74°F and overnight lows near 52°F, with 0.7 in of rain across 2.9 wet days and about 14 hours of daylight. It is the 6th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 73°F in the first days to 76°F by the end. The sky is clear or mostly clear about 59% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 36 min at the start of May to 14 h 24 min by month's end. Set against the rest of the year, May is Pleasant Hill's 6th-clearest and 3rd-windiest month. For the whole year in context, see Pleasant Hill's year-round climate.

Daytime high
74°
6th warmest
Overnight low
52°
7th coldest
Rainfall
0.7 in
2.9 wet days
Daylight
14 hours
5:03 AM – 7:06 PM
Cloud cover
36%
6th clearest
Wind
8 mph
3rd windiest
Solar energy
7.25 kWh/m²
Travel score
8.5
out of 10

Pleasant Hill is city in Contra Costa County, California, United States.

Density
1,900/km²
people per km²
Founded
1961

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 73°F in the first days to 76°F by the end.

A typical May day in Pleasant Hill reaches about 74°F in the afternoon and slips back to 52°F overnight — a 22°F spread between the day's warmth and the night's chill. On most days the high lands between 65°F and 86°F. Set against its neighbours, May runs about 5°F warmer than April and about 5°F cooler than June.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
17351
27351
37351
47351
57351
67351
77351
87451
97452
107452
117452
127452
137452
147452
157452
167452
177452
187453
197453
207553
217553
227553
237553
247553
257553
267653
277653
287654
297654
307654
317754

Pleasant Hill weather by month

How May compares with the rest of the year at a glance. May is the 6th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan57° / 42°3.78.99.74.2
Feb61° / 44°3.78.710.55.1
Mar65° / 47°2.88.311.76.3
Apr69° / 49°1.34.7137.4
May74° / 52°0.72.9148.5
Jun80° / 55°0.10.814.68.8
Jul82° / 57°0.00.214.48.8
Aug82° / 57°0.10.213.58.7
Sep81° / 56°0.10.412.38.7
Oct75° / 53°0.82.8118.6
Nov65° / 47°1.75.49.96.5
Dec57° / 43°3.38.69.44.3

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 59% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 26%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16733
26931
36931
47030
57030
67030
77030
87030
97030
107129
117129
127129
137228
147228
157327
167426
177426
187426
197426
207525
217624
227624
237723
247723
257723
267921
277921
287921
297921
307921
317921

Chance of precipitation in May

Any precipitation

Pleasant Hill gets around 0.7 in of rain over 2.9 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 9% and peaks near 11% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
111
211
311
411
511
611
710
810
910
1010
1110
1210
1310
1410
1510
169
179
189
199
209
219
229
238
248
257
267
277
286
296
306
316

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 94% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19640
29640
39640
49640
59640
69640
79640
89640
99640
109640
119640
129550
139550
149550
159550
169550
179550
189460
199460
209460
219370
229370
239280
249280
259190
269190
2789101
2889101
2988111
3088111
3189110

Wind in May

Winds average 8 mph in May.

Across May, daily wind ranges from about 7 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
17calm
27light breeze
38light breeze
48light breeze
58light breeze
68light breeze
78light breeze
88light breeze
98light breeze
108light breeze
118light breeze
128light breeze
138light breeze
148light breeze
158light breeze
168light breeze
178light breeze
188light breeze
198light breeze
208light breeze
218light breeze
228light breeze
238light breeze
248light breeze
258light breeze
268light breeze
278light breeze
288light breeze
298light breeze
308light breeze
318light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 36 min at the start of May to 14 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over May. Sunrise moves from 5:19 AM to 4:53 AM, and sunset from 6:52 PM to 7:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.65:196:52
213.65:186:53
313.65:176:54
413.75:156:55
513.75:146:56
613.75:136:57
713.85:126:58
813.85:116:59
913.85:106:59
1013.95:097:00
1113.95:087:01
1213.95:077:02
1314.05:067:03
1414.05:057:04
1514.05:047:05
1614.05:037:06
1714.15:027:07
1814.15:027:08
1914.15:017:08
2014.25:007:09
2114.24:597:10
2214.24:587:11
2314.24:587:12
2414.34:577:13
2514.34:567:13
2614.34:567:14
2714.34:557:15
2814.34:557:16
2914.44:547:17
3014.44:547:17
3114.44:537:18

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.25 kWh/m².

For context, solar energy here swings from a low near 2.14 kWh/m² to a high of 8.05 kWh/m² in June across the year — May's 7.25 kWh/m² falls in the middle.

02468151015202531
Solar energy (kWh/m²)Level
16.9Intense
26.9Intense
36.9Intense
47.0Intense
57.0Intense
67.0Intense
77.0Intense
87.1Intense
97.1Intense
107.1Intense
117.1Intense
127.2Intense
137.2Intense
147.2Intense
157.2Intense
167.3Intense
177.3Intense
187.3Intense
197.3Intense
207.3Intense
217.4Intense
227.4Intense
237.4Intense
247.5Intense
257.5Intense
267.5Intense
277.5Intense
287.6Intense
297.6Intense
307.7Intense
317.7Intense
Planning a trip in May

Is May a good time to visit Pleasant Hill?

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

8.5
Sightseeing
6th-best month of the year
6.9
Beach & pool
6th-best month of the year

May is one of the better times to visit Pleasant Hill for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Pleasant Hill in May

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

In May, Pleasant Hill sees daytime highs around 74°F and nights near 52°F. Pack sun protection. Worth having: light clothes.

sun protectionlight clothes

Sea temperature near Pleasant Hill in May

The nearest coast averages about 53°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 31 mi away) is warmest in September at about 58°F and coldest in April near 53°F.

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

52°54°56°58°60°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°F)Comfort
Jan53Bracing
Feb53Bracing
Mar54Bracing
Apr53Bracing
May53Bracing
Jun54Bracing
Jul56Bracing
Aug58Bracing
Sep58Bracing
Oct57Bracing
Nov55Bracing
Dec54Bracing

UV index in Pleasant Hill in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Pleasant Hill peaks around June 23 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJun 23UV 10Dec 15UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr6High
May8Very high
Jun10Very high
Jul10Very high
Aug10Very high
Sep6High
Oct5High
Nov2Moderate
Dec2Low

Air quality in Pleasant Hill 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 Pleasant Hill is worst in September — around 29 µg/m³ PM2.5 (moderate), about 4.2× the cleanest month (June, 7 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateSep 1829 µg/m³Jun 127 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb13Moderate
Mar13Moderate
Apr10Good
May8Good
Jun7Good
Jul10Good
Aug25Moderate
Sep29Moderate
Oct27Moderate
Nov16Moderate
Dec12Good
Location & terrain

Where is Pleasant Hill?

Pleasant Hill sits at 37.9°N, 122.1°W, 52 ft above sea level, in United States. The nearest listed city is Concord, 2.5 mi away.

Topography around Pleasant Hill

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

Within 2 miles, the terrain around Pleasant Hill has only modest variations in elevation — a maximum elevation change of 469 ft around an average of 95 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 3,819 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 4,449 ft.

The land around Pleasant Hill is covered by artificial surfaces (55%) and trees (40%) within 2 miles, trees (35%) and grassland (34%) within 10 miles, and grassland (29%), trees (23%) and water (20%) within 50 miles.

2 miles
469 ft
10 miles
3,819 ft
50 miles
4,449 ft
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: Concord 2.5 mi · Walnut Creek 3.1 mi · Lafayette 5.6 mi · Martinez 6.2 mi · Bay Point 8.1 mi · Orinda 8.1 mi · Moraga 8.7 mi · Benicia 8.7 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 Pleasant Hill (37.948°, -122.0608°, elevation 52 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).