Rosarito weather in October

In October, Rosarito sees average daytime highs of 21°C and overnight lows near 17°C, with 13 mm of rain across 2.1 wet days and about 11.2 hours of daylight. It is the 4th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 21°C in the first days to 20°C by the end. The sky is clear or mostly clear about 68% of the time in October, and the air most often feels comfortable.

Daylight stretches from about 11 h 42 min at the start of October to 10 h 42 min by month's end. Set against the rest of the year, October is Rosarito's 5th-clearest and 11th-windiest month. For the whole year in context, see Rosarito's year-round climate.

Daytime high
21°
4th warmest
Overnight low
17°
9th coldest
Rainfall
13 mm
2.1 wet days
Daylight
11 h 12 min
5:58 AM – 5:09 PM
Cloud cover
30%
5th clearest
Wind
10 km/h
11th windiest
Solar energy
4.87 kWh/m²
Travel score
8.2
out of 10

Rosarito is municipal seat of Rosarito, State of Baja California, Mexico.

Founded
1885

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

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 21°C in the first days to 20°C by the end.

A typical October day in Rosarito reaches about 21°C in the afternoon and slips back to 17°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 24°C. Set against its neighbours, October runs about 1°C cooler than September and about 2°C warmer than November.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12218
22218
32118
42118
52117
62117
72117
82117
92117
102117
112117
122117
132117
142117
152117
162117
172117
182117
192117
202117
212016
222016
232016
242016
252016
262016
272016
282016
292016
302016
312016

Rosarito weather by month

How October compares with the rest of the year at a glance. October is the 4th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan16° / 12°565.510.15.9
Feb16° / 12°696.310.85.5
Mar16° / 12°435.211.85.8
Apr17° / 13°183.212.86.6
May18° / 14°71.513.67.3
Jun19° / 16°10.214.18.1
Jul21° / 18°10.213.98.6
Aug22° / 19°00.113.29.0
Sep22° / 18°30.512.28.8
Oct21° / 17°132.111.28.2
Nov19° / 14°203.110.37.4
Dec16° / 12°445.29.96.0

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 68% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 16% of October, with mostly cloudy or overcast conditions the remaining 17%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18812
28812
38812
48812
58812
68713
78713
88713
98713
108713
118515
128515
138515
148515
158317
168317
178317
188218
198119
208119
218020
228020
238020
248020
258020
268020
277921
287921
297921
307921
317921

Chance of precipitation in October

Any precipitation

Rosarito gets around 13 mm of rain over 2.1 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 6% and peaks near 8% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
13
23
34
44
54
64
75
85
95
105
116
126
136
146
156
167
177
187
197
207
218
228
238
248
258
268
278
288
298
308
318

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

Most of October feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, October lands in the comfortable band about 45% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
11034487
21136467
31237456
41338436
51340425
61441405
71542394
81643374
91744363
101845343
111846333
121946323
132047302
142148292
152148282
162248272
172449262
182549252
192648241
202848221
213048211
223248191
233348181
243548161
253748150
263947130
274147120
284346110
29454590
30474580
31494470

Wind in October

Winds average 10 km/h in October.

Across October, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 42 min at the start of October to 10 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 60 minutes over October. Sunrise moves from 5:47 AM to 6:10 AM, and sunset from 5:28 PM to 4:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.75:475:28
211.75:475:26
311.65:485:25
411.65:495:24
511.65:495:22
611.55:505:21
711.55:515:20
811.55:525:19
911.45:525:17
1011.45:535:16
1111.45:545:15
1211.35:555:14
1311.35:555:12
1411.35:565:11
1511.25:575:10
1611.25:585:09
1711.25:585:08
1811.15:595:07
1911.16:005:05
2011.16:015:04
2111.06:025:03
2211.06:025:02
2311.06:035:01
2410.96:045:00
2510.96:054:59
2610.96:064:58
2710.86:064:57
2810.86:074:56
2910.86:084:55
3010.86:094:54
3110.76:104:54

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.87 kWh/m².

For context, solar energy here swings from a low near 3.2 kWh/m² to a high of 7.85 kWh/m² in June across the year — October's 4.87 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.4Bright
45.4Bright
55.4Bright
65.3Bright
75.3Bright
85.2Bright
95.2Bright
105.1Bright
115.1Bright
125.0Bright
135.0Bright
145.0Bright
154.9Bright
164.9Bright
174.8Bright
184.8Bright
194.7Bright
204.7Bright
214.6Bright
224.6Bright
234.6Bright
244.5Bright
254.5Bright
264.5Bright
274.4Bright
284.4Bright
294.3Bright
304.3Bright
314.3Bright
Planning a trip in October

Is October a good time to visit Rosarito?

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

8.2
Sightseeing
4th-best month of the year
4.7
Beach & pool
4th-best month of the year

October is one of the better times to visit Rosarito for general sightseeing.

What to pack for Rosarito in October

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

In October, Rosarito sees daytime highs around 21°C and nights near 17°C. Worth packing: sun protection.

sun protection

Sea temperature near Rosarito in October

The nearest coast averages about 19°C in October — 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 21°C and coldest in February near 15°C.

It's comfortable for a long swim from Jul 18 to Sep 29 — about 2.4 months when the water holds above 20°C.

14°16°18°20°22°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingcomfortable to swim
Sea temperature (°C)Comfort
Jan15Cool
Feb15Cool
Mar16Cool
Apr16Cool
May17Cool
Jun18Cool
Jul20Refreshing
Aug21Refreshing
Sep21Refreshing
Oct19Cool
Nov18Cool
Dec16Cool

UV index in Rosarito in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Rosarito peaks around June 23 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 23UV 11Dec 17UV 3
UV index (midday)Level
Jan4Moderate
Feb5Moderate
Mar5High
Apr8Very high
May8Very high
Jun11Extreme
Jul11Extreme
Aug10Extreme
Sep8Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Rosarito in October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October falls, not just the annual average.

Air quality in Rosarito is worst in October — around 33 µg/m³ PM2.5 (moderate), about 5.4× the cleanest month (May, 6 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateOct 1631 µg/m³May 176 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar10Good
Apr9Good
May6Good
Jun9Good
Jul8Good
Aug9Good
Sep16Moderate
Oct33Moderate
Nov13Moderate
Dec17Moderate
Location & terrain

Where is Rosarito?

Rosarito sits at 32.4°N, 117.0°W, 46 m above sea level, in Mexico. The nearest listed city is Pórticos de San Antonio, 9.0 km away.

Topography around Rosarito

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Rosarito.

Within 3 km, the terrain around Rosarito has only modest variations in elevation — a maximum elevation change of 174 m around an average of 58 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 725 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,966 m.

The land around Rosarito is covered by artificial surfaces (39%) and grassland (37%) within 3 km, water (45%) and grassland (30%) within 16 km, and water (38%) and shrubs (27%) within 80 km.

3 km
174 m
16 km
725 m
80 km
1,966 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Pórticos de San Antonio 9.0 km · Villa del Prado 2da Sección 10 km · La Joya 10 km · Las Delicias 11 km · Tijuana 16 km · Terrazas del Valle 25 km · Imperial Beach 26 km · Chula Vista 31 km

Mexico travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B
120 / 127 V · 60 Hz
Prices
≈ 54% of US
price level, 2025
GDP per capita
$13,889
2025
Happiness
7.0 / 10
World Happiness, 2025
Safe drinking water
43%
of population, 2024
Homicide rate
24.9
per 100k, 2023
Road deaths
12.8
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very low
EF EPI 440
Religion
Catholic 78%no religion 11%other Evangelical Churches 8%Jehovah Witness 1%

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 Rosarito (32.3604°, -117.0464°, elevation 46 m), 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).