San Clemente weather in January

In January, San Clemente sees average daytime highs of 28°C and overnight lows near 14°C, with 5 mm of rain across 1 wet days and about 14.1 hours of daylight. It is the 1st-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 85% of the time in January, and the air most often feels dry.

Daylight stretches from about 14 h 24 min at the start of January to 13 h 48 min by month's end. Set against the rest of the year, January is San Clemente's 1st-clearest and 3rd-windiest month. For the whole year in context, see San Clemente's year-round climate.

Daytime high
28°
1st warmest
Overnight low
14°
12th coldest
Rainfall
5 mm
1 wet days
Daylight
14 h 12 min
6:51 AM – 9:00 PM
Cloud cover
14%
1st clearest
Wind
9 km/h
3rd windiest
Solar energy
8.75 kWh/m²
Travel score
8.0
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical January day in San Clemente reaches about 28°C in the afternoon and slips back to 14°C overnight — a 15°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 31°C. Set against its neighbours, January runs about 2°C warmer than December and on par with February.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12813
22813
32813
42813
52813
62813
72813
82813
92814
102814
112814
122814
132814
142814
152814
162814
172814
182814
192814
202814
212814
222814
232814
242814
252814
262814
272814
282814
292814
302814
312814

San Clemente weather by month

How January compares with the rest of the year at a glance. January is the 1st-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 14°5114.18.0
Feb28° / 13°80.913.38.5
Mar25° / 12°151.612.38.8
Apr20° / 544.411.17.5
May16° / 1448.410.25.3
Jun14° / 221129.63.7
Jul13° / 16010.29.83.8
Aug15° / 1319.310.74.6
Sep17° / 736.811.86.0
Oct20° / 475.312.97.2
Nov24° / 10°192.413.98.6
Dec27° / 12°171.714.48.6

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 85% of the time in January, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 6% of January, with mostly cloudy or overcast conditions the remaining 8%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1919
2919
3919
4919
5928
6928
7928
8928
9928
10928
11919
12919
13919
14919
15919
16928
17928
18928
19928
20928
21928
22928
23928
24937
25937
26937
27937
28937
29937
30928
31928

Chance of precipitation in January

Any precipitation

San Clemente gets around 5 mm of rain over 1 wet days in January, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 3% and peaks near 4% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
14
24
34
43
53
63
73
83
93
103
113
123
133
143
153
163
173
183
193
203
213
223
233
243
253
263
273
283
293
303
313

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the dry band about 67% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
172271
272271
372271
472271
572271
672271
771272
871272
971272
1070273
1169283
1268284
1368284
1467294
1566295
1665305
1764306
1863316
1963316
2063316
2163316
2262326
2362326
2462326
2563316
2663316
2763316
2864306
2964306
3065296
3165296

Wind in January

Winds average 9 km/h in January.

Across January, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 14 h 24 min at the start of January to 13 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over January. Sunrise moves from 6:38 AM to 7:05 AM, and sunset from 9:00 PM to 8:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.46:389:00
214.46:399:00
314.36:409:00
414.36:409:01
514.36:419:01
614.36:429:01
714.36:439:01
814.36:449:01
914.36:449:01
1014.36:459:01
1114.26:469:01
1214.26:479:01
1314.26:489:00
1414.26:499:00
1514.26:509:00
1614.26:519:00
1714.16:519:00
1814.16:528:59
1914.16:538:59
2014.16:548:59
2114.16:558:58
2214.06:568:58
2314.06:578:58
2414.06:588:57
2514.06:598:57
2613.97:008:56
2713.97:018:56
2813.97:028:55
2913.97:038:55
3013.87:048:54
3113.87:058:53

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 8.75 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.04 kWh/m² to a high of 8.75 kWh/m² in January across the year — January's 8.75 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
19.0Intense
29.0Intense
38.9Intense
48.9Intense
58.9Intense
68.9Intense
78.9Intense
88.9Intense
98.9Intense
108.9Intense
118.8Intense
128.8Intense
138.8Intense
148.8Intense
158.8Intense
168.7Intense
178.7Intense
188.7Intense
198.7Intense
208.6Intense
218.6Intense
228.6Intense
238.6Intense
248.5Intense
258.5Intense
268.5Intense
278.4Intense
288.4Intense
298.4Intense
308.3Intense
318.3Intense
Planning a trip in January

Hazard calendar for San Clemente

In seasonPeak

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

San Clemente's rainy season runs May–August, when most of the year's rain falls.

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

Is January a good time to visit San Clemente?

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

8.0
Sightseeing
5th-best month of the year
9.1
Beach & pool
1st-best month of the year

January is one of the better times to visit San Clemente for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for San Clemente in January

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

In January, San Clemente sees daytime highs around 28°C and nights near 14°C. Pack light clothes and sun protection.

light clothessun protection

UV index in San Clemente in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in San Clemente peaks around January 15 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateVery highExtremeJan 15UV 13Jun 15UV 2
UV index (midday)Level
Jan13Extreme
Feb12Extreme
Mar9Very high
Apr5High
May3Moderate
Jun2Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct8Very high
Nov11Extreme
Dec12Extreme

Air quality in San Clemente in January

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in San Clemente is worst in February — around 26 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 12 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateFeb 1425 µg/m³Dec 1412 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb26Moderate
Mar16Moderate
Apr19Moderate
May25Moderate
Jun21Moderate
Jul22Moderate
Aug21Moderate
Sep20Moderate
Oct16Moderate
Nov15Moderate
Dec12Good
Location & terrain

Where is San Clemente?

San Clemente sits at 35.5°S, 71.5°W, 214 m above sea level, in Chile. The nearest listed city is Colbún, 19 km away.

Topography around San Clemente

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

Within 3 km, the terrain around San Clemente has only modest variations in elevation — a maximum elevation change of 55 m around an average of 204 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 596 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,923 m.

The land around San Clemente is covered by cropland (63%) within 3 km, cropland (45%), trees (25%) and grassland (22%) within 16 km, and trees (38%) and grassland (33%) within 80 km.

3 km
55 m
16 km
596 m
80 km
3,923 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Colbún 19 km · Talca 19 km · San Javier 23 km · Linares 36 km · Molina 51 km · Longaví 51 km · Sagrada Familia 61 km · Curicó 66 km

Chile travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F / L
220 V · 50 Hz
Prices
≈ 48% of US
price level, 2025
GDP per capita
$17,995
2025
Happiness
6.3 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
6.3
per 100k, 2023
Road deaths
14.9
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 517
Religion
Catholic 57%none 26%Evangelical or Protestant 16%other Christians and traditions related to Christ 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 San Clemente (-35.5378°, -71.487°, elevation 214 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. 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).