Oxnard weather in May

In May, Oxnard sees average daytime highs of 67°F and overnight lows near 56°F, with 0.4 in of rain across 1.5 wet days and about 13.8 hours of daylight. It is the 6th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 67°F through the month. The sky is clear or mostly clear about 65% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 18 min at the start of May to 14 h 06 min by month's end. Set against the rest of the year, May is Oxnard's 6th-clearest and 2nd-windiest month. For the whole year in context, see Oxnard's year-round climate.

Daytime high
67°
6th warmest
Overnight low
56°
7th coldest
Rainfall
0.4 in
1.5 wet days
Daylight
13 h 48 min
5:00 AM – 6:46 PM
Cloud cover
33%
6th clearest
Wind
5 mph
2nd windiest
Solar energy
7.64 kWh/m²
Travel score
7.9
out of 10

Oxnard is city in Ventura County, California, United States.

Density
2,041/km²
people per km²
Founded
1903

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 67°F through the month.

A typical May day in Oxnard reaches about 67°F in the afternoon and slips back to 56°F overnight — a 11°F spread between the day's warmth and the night's chill. On most days the high lands between 61°F and 73°F. Set against its neighbours, May runs about 2°F warmer than April and about 3°F cooler than June.

50°60°70°80°151015202531
Avg high (°F)Avg low (°F)
16754
26755
36755
46755
56755
66755
76755
86755
96755
106755
116755
126755
136755
146755
156756
166756
176756
186756
196756
206756
216756
226756
236756
246756
256756
266756
276757
286757
296857
306857
316857

Oxnard 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
Jan61° / 49°3.75.6105.9
Feb61° / 49°3.76.110.75.7
Mar62° / 51°2.65.111.76.3
Apr65° / 52°0.92.812.87.3
May67° / 56°0.41.513.87.9
Jun70° / 59°0.10.314.28.7
Jul74° / 63°0.10.4149.3
Aug75° / 64°0.00.113.39.6
Sep74° / 63°0.10.512.29.3
Oct71° / 59°0.7211.18.5
Nov66° / 54°0.92.810.27.6
Dec61° / 49°2.34.99.86.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 65% 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 19%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17822
27822
37822
47822
57822
67822
77822
87822
97822
107822
117921
128020
138020
148119
158119
168218
178218
188218
198317
208317
218317
228317
238317
248317
258317
268317
278317
288317
298317
308416
318416

Chance of precipitation in May

Any precipitation

Oxnard gets around 0.4 in of rain over 1.5 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 6% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
16
26
36
46
56
66
76
86
96
106
116
126
136
146
156
166
175
185
195
205
215
224
234
244
253
263
273
282
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 76% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19280
29190
390100
489110
588120
687130
786140
885150
984160
1084160
1183170
1281190
1380200
1479210
1578220
1677230
1776240
1875250
1975250
2074260
2171281
2270291
2369301
2468311
2566331
2664342
2762362
2860382
2959392
3056413
3154433

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.

0246810151015202531
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
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 18 min at the start of May to 14 h 06 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 5:13 AM to 4:51 AM, and sunset from 6:34 PM to 6:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:136:34
213.45:126:35
313.45:116:36
413.45:106:37
513.55:096:38
613.55:086:38
713.55:076:39
813.65:066:40
913.65:056:41
1013.65:056:42
1113.65:046:42
1213.75:036:43
1313.75:026:44
1413.75:016:45
1513.85:006:45
1613.85:006:46
1713.84:596:47
1813.84:586:48
1913.84:586:48
2013.94:576:49
2113.94:566:50
2213.94:566:51
2313.94:556:51
2414.04:556:52
2514.04:546:53
2614.04:536:54
2714.04:536:54
2814.04:536:55
2914.14:526:56
3014.14:526:56
3114.14:516:57

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.64 kWh/m².

For context, solar energy here swings from a low near 2.96 kWh/m² to a high of 8.05 kWh/m² in June across the year — May's 7.64 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.4Intense
27.4Intense
37.5Intense
47.5Intense
57.5Intense
67.5Intense
77.5Intense
87.5Intense
97.5Intense
107.6Intense
117.6Intense
127.6Intense
137.6Intense
147.6Intense
157.6Intense
167.6Intense
177.7Intense
187.7Intense
197.7Intense
207.7Intense
217.7Intense
227.7Intense
237.7Intense
247.7Intense
257.8Intense
267.8Intense
277.8Intense
287.8Intense
297.8Intense
307.8Intense
317.8Intense
Planning a trip in May

Is May a good time to visit Oxnard?

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

7.9
Sightseeing
6th-best month of the year
3.7
Beach & pool
6th-best month of the year

May is one of the better times to visit Oxnard for general sightseeing.

What to pack for Oxnard in May

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

In May, Oxnard sees daytime highs around 67°F and nights near 56°F. Pack sun protection.

sun protection

Sea temperature near Oxnard in May

The nearest coast averages about 60°F in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 67°F and coldest in March near 58°F.

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

55°60°65°70°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°F)Comfort
Jan58Bracing
Feb58Bracing
Mar58Bracing
Apr58Bracing
May60Cool
Jun63Cool
Jul66Cool
Aug67Cool
Sep67Cool
Oct65Cool
Nov62Cool
Dec60Cool

UV index in Oxnard in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Oxnard peaks around June 23 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 23UV 10Dec 15UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar5Moderate
Apr7Very high
May8Very high
Jun10Extreme
Jul10Extreme
Aug10Extreme
Sep8Very high
Oct6High
Nov3Moderate
Dec3Moderate

Air quality in Oxnard 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 Oxnard is worst in December — around 78 µg/m³ PM2.5 (unhealthy), about 12.6× the cleanest month (January, 6 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateUnhealthyDec 1670 µg/m³Jan 246 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb7Good
Mar8Good
Apr7Good
May7Good
Jun7Good
Jul11Good
Aug12Good
Sep11Good
Oct8Good
Nov14Moderate
Dec78Unhealthy
Location & terrain

Where is Oxnard?

Oxnard sits at 34.2°N, 119.2°W, 52 ft above sea level, in United States. The nearest listed city is Port Hueneme, 3.7 mi away.

Topography around Oxnard

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

Within 2 miles, the terrain around Oxnard has only modest variations in elevation — a maximum elevation change of 75 ft around an average of 52 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,667 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 8,806 ft.

The land around Oxnard is covered by artificial surfaces (81%) within 2 miles, water (35%) within 10 miles, and water (47%) within 50 miles.

2 miles
75 ft
10 miles
1,667 ft
50 miles
8,806 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Port Hueneme 3.7 mi · Camarillo 8.1 mi · Ventura 8.7 mi · Santa Paula 13 mi · Moorpark 18 mi · Thousand Oaks 19 mi · Fillmore 21 mi · Simi Valley 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
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 Oxnard (34.1975°, -119.177°, 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).