Paso Robles weather in May

In May, Paso Robles sees average daytime highs of 76°F and overnight lows near 51°F, with 0.4 in of rain across 1.6 wet days and about 13.9 hours of daylight. It is the 5th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 74°F in the first days to 78°F by the end. The sky is clear or mostly clear about 69% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 24 min at the start of May to 14 h 12 min by month's end. Set against the rest of the year, May is Paso Robles's 6th-clearest and 2nd-windiest month. For the whole year in context, see Paso Robles's year-round climate.

Daytime high
76°
5th warmest
Overnight low
51°
7th coldest
Rainfall
0.4 in
1.6 wet days
Daylight
13 h 54 min
5:03 AM – 6:55 PM
Cloud cover
28%
6th clearest
Wind
5 mph
2nd windiest
Solar energy
7.76 kWh/m²
Travel score
8.9
out of 10

Paso Robles is city in San Luis Obispo County, California, United States.

Density
539/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 74°F in the first days to 78°F by the end.

A typical May day in Paso Robles reaches about 76°F in the afternoon and slips back to 51°F overnight — a 24°F spread between the day's warmth and the night's chill. On most days the high lands between 65°F and 87°F. Set against its neighbours, May runs about 6°F warmer than April and about 6°F cooler than June.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
17449
27449
37450
47450
57450
67450
77550
87550
97550
107551
117551
127551
137551
147551
157551
167651
177651
187652
197652
207652
217652
227652
237652
247752
257753
267753
277753
287853
297853
307853
317853

Paso Robles 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 daysDaylight (hours)Travel score
Jan59° / 40°3.16.99.95.0
Feb61° / 41°3.17.610.75.3
Mar65° / 44°2.46.211.76.6
Apr69° / 46°0.93.412.97.8
May76° / 51°0.41.613.98.9
Jun82° / 56°0.10.314.48.4
Jul85° / 60°0.00.114.27.3
Aug85° / 60°0.00.213.37.2
Sep82° / 57°0.10.512.28.3
Oct75° / 52°0.61.811.18.9
Nov65° / 44°1.03.210.17.2
Dec59° / 39°2.36.19.65.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 69% 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 18%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17822
27822
37822
47921
57921
67921
77921
87921
97921
108020
118020
128020
138020
148119
158119
168218
178317
188317
198317
208416
218416
228416
238614
248614
258614
268614
278713
288713
298713
308713
318713

Chance of precipitation in May

Any precipitation

Paso Robles gets around 0.4 in of rain over 1.6 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 5% and peaks near 7% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
17
27
36
46
56
66
76
86
96
106
116
126
136
146
156
166
176
186
196
205
215
225
234
244
253
263
273
283
292
302
312

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 96% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1982
2982
3982
4973
5973
6973
7973
8973
9973
10973
11973
12964
13964
14964
15964
16964
17964
18964
19964
20964
21964
22964
23955
24955
25955
26955
27955
28946
29946
30946
31937

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 13 h 24 min at the start of May to 14 h 12 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 5:17 AM to 4:54 AM, and sunset from 6:43 PM to 7:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.45:176:43
213.55:166:44
313.55:156:44
413.55:146:45
513.65:136:46
613.65:126:47
713.65:116:48
813.65:106:49
913.75:096:49
1013.75:086:50
1113.75:076:51
1213.85:066:52
1313.85:056:53
1413.85:046:54
1513.85:046:54
1613.95:036:55
1713.95:026:56
1813.95:016:57
1914.05:016:58
2014.05:006:58
2114.04:596:59
2214.04:587:00
2314.04:587:01
2414.14:577:01
2514.14:577:02
2614.14:567:03
2714.14:567:04
2814.24:557:04
2914.24:557:05
3014.24:547:06
3114.24:547:06

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.76 kWh/m².

For context, solar energy here swings from a low near 2.68 kWh/m² to a high of 8.34 kWh/m² in June across the year — May's 7.76 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.4Intense
27.4Intense
37.4Intense
47.5Intense
57.5Intense
67.5Intense
77.6Intense
87.6Intense
97.6Intense
107.6Intense
117.7Intense
127.7Intense
137.7Intense
147.7Intense
157.8Intense
167.8Intense
177.8Intense
187.8Intense
197.8Intense
207.8Intense
217.9Intense
227.9Intense
237.9Intense
247.9Intense
258.0Intense
268.0Intense
278.0Intense
288.0Intense
298.0Intense
308.1Intense
318.1Intense
Planning a trip in May

Is May a good time to visit Paso Robles?

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

8.9
Sightseeing
1st-best month of the year
7.6
Beach & pool
5th-best month of the year

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

What to pack for Paso Robles in May

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

In May, Paso Robles sees daytime highs around 76°F and nights near 51°F. Pack sun protection. Worth having: light clothes.

sun protectionlight clothes

Sea temperature near Paso Robles in May

The nearest coast averages about 54°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 21 mi away) is warmest in September at about 60°F and coldest in April near 54°F.

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

52°54°56°58°60°62°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°F)Comfort
Jan56Bracing
Feb56Bracing
Mar55Bracing
Apr54Bracing
May54Bracing
Jun56Bracing
Jul58Bracing
Aug59Cool
Sep60Cool
Oct60Cool
Nov58Bracing
Dec57Bracing

UV index in Paso Robles 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 Paso Robles peaks around June 21 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 21UV 11Dec 14UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May8Very high
Jun11Extreme
Jul10Extreme
Aug10Extreme
Sep7Very high
Oct6High
Nov3Moderate
Dec3Moderate

Air quality in Paso Robles 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 Paso Robles is worst in August — around 18 µg/m³ PM2.5 (moderate), about 4.2× the cleanest month (June, 4 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 2017 µg/m³Jun 114 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb7Good
Mar7Good
Apr6Good
May5Good
Jun4Good
Jul10Good
Aug18Moderate
Sep15Moderate
Oct8Good
Nov6Good
Dec6Good
Location & terrain

Where is Paso Robles?

Paso Robles sits at 35.6°N, 120.7°W, 732 ft above sea level, in United States. The nearest listed city is Atascadero, 9.3 mi away.

Topography around Paso Robles

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

Within 2 miles, the terrain around Paso Robles has significant variations in elevation — a maximum elevation change of 876 ft around an average of 899 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,716 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 5,095 ft.

The land around Paso Robles is covered by grassland (42%) and artificial surfaces (37%) within 2 miles, grassland (71%) within 10 miles, and grassland (55%) and water (20%) within 50 miles.

2 miles
876 ft
10 miles
1,716 ft
50 miles
5,095 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Atascadero 9.3 mi · San Luis Obispo 24 mi · Arroyo Grande 35 mi · Coalinga 40 mi · Nipomo 42 mi · Santa Maria 48 mi · Orcutt 55 mi · Greenfield 57 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 Paso Robles (35.6266°, -120.691°, elevation 732 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).