Monterey weather in January

In January, Monterey sees average daytime highs of 55°F and overnight lows near 51°F, with 4.5 in of rain across 10 wet days and about 9.8 hours of daylight. It is the 8th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 55°F through the month. The sky is clear or mostly clear about 37% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 30 min at the start of January to 10 h 06 min by month's end. Set against the rest of the year, January is Monterey's 12th-clearest and 6th-windiest month. For the whole year in context, see Monterey's year-round climate.

Daytime high
55°
8th warmest
Overnight low
51°
4th coldest
Rainfall
4.5 in
10 wet days
Daylight
9 h 48 min
7:24 AM – 5:10 PM
Cloud cover
54%
12th clearest
Wind
10 mph
6th windiest
Solar energy
2.7 kWh/m²
Travel score
3.6
out of 10

Monterey is city in Monterey County, California, United States.

Density
893/km²
people per km²
Founded
1770

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 55°F through the month.

A typical January day in Monterey reaches about 55°F in the afternoon and slips back to 51°F overnight — a 3°F spread between the day's warmth and the night's chill. On most days the high lands between 51°F and 59°F. Set against its neighbours, January runs on par with December and on par with February.

40°45°50°55°60°151015202531
Avg high (°F)Avg low (°F)
15551
25551
35551
45551
55551
65551
75551
85551
95551
105551
115551
125551
135551
145551
155551
165551
175551
185551
195551
205551
215551
225551
235551
245551
255551
265551
275551
285551
295551
305551
315551

Monterey weather by month

How January compares with the rest of the year at a glance. January is the 8th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan55° / 51°4.5109.83.6
Feb54° / 51°4.59.910.63.3
Mar54° / 51°3.39.211.73.4
Apr54° / 51°1.55.812.93.6
May54° / 52°0.63.313.94.0
Jun55° / 53°0.21.314.54.6
Jul57° / 55°0.00.114.25.2
Aug59° / 56°0.10.313.45.8
Sep60° / 57°0.10.712.26.2
Oct60° / 56°0.92.711.16.0
Nov57° / 54°2.15.8104.7
Dec55° / 52°4.09.69.53.7

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of January, with mostly cloudy or overcast conditions the remaining 49%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
25050
34951
44951
54951
64951
74951
85050
95050
105050
115050
125050
135149
145149
155248
165248
175149
185248
195248
205248
215248
225149
235149
245149
255248
265149
275050
285149
295149
305149
315149

Chance of precipitation in January

Any precipitation

Monterey gets around 4.5 in of rain over 10 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 32% and peaks near 34% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
131
231
331
431
531
631
731
831
931
1031
1131
1231
1331
1432
1532
1633
1733
1833
1934
2034
2134
2234
2334
2434
2534
2634
2733
2833
2933
3032
3132

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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1982
2991
3991
4991
5991
6991
7991
8991
9991
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
21991
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

Wind in January

Winds average 10 mph in January.

Across January, daily wind ranges from about 10 mph on the calmest days to 10 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
110light breeze
210light breeze
310light breeze
410light breeze
510light breeze
610light breeze
710light breeze
810light breeze
910light breeze
1010light breeze
1110light breeze
1210light breeze
1310light breeze
1410light breeze
1510light breeze
1610light breeze
1710light breeze
1810light breeze
1910light breeze
2010light breeze
2110light breeze
2210light breeze
2310light breeze
2410light breeze
2510light breeze
2610light breeze
2710light breeze
2810light breeze
2910light breeze
3010light breeze
3110light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 9 h 30 min at the start of January to 10 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over January. Sunrise moves from 7:25 AM to 7:17 AM, and sunset from 4:57 PM to 5:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.57:254:57
29.57:254:58
39.67:254:58
49.67:254:59
59.67:255:00
69.67:255:01
79.67:255:01
89.67:255:02
99.67:255:03
109.67:255:04
119.77:255:05
129.77:255:06
139.77:255:07
149.77:255:08
159.77:245:09
169.87:245:10
179.87:245:10
189.87:245:11
199.87:235:12
209.87:235:13
219.97:235:14
229.97:225:15
239.97:225:16
249.97:215:17
2510.07:215:18
2610.07:205:20
2710.07:205:21
2810.07:195:22
2910.17:185:23
3010.17:185:24
3110.17:175:25

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.7 kWh/m².

For context, solar energy here swings from a low near 2.49 kWh/m² to a high of 7.79 kWh/m² in June across the year — January's 2.7 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
12.5Moderate
22.5Moderate
32.5Moderate
42.5Moderate
52.5Moderate
62.6Moderate
72.6Moderate
82.6Moderate
92.6Moderate
102.6Moderate
112.6Moderate
122.6Moderate
132.6Moderate
142.6Moderate
152.7Moderate
162.7Moderate
172.7Moderate
182.8Moderate
192.8Moderate
202.8Moderate
212.8Moderate
222.9Moderate
232.9Moderate
242.9Moderate
252.9Moderate
263.0Moderate
273.0Moderate
283.0Moderate
293.1Moderate
303.1Moderate
313.1Moderate
Planning a trip in January

Hazard calendar for Monterey

In seasonPeak

In January, Monterey sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Monterey's rainy season runs November–March, 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 Monterey?

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

3.6
Sightseeing
9th-best month of the year
Beach & pool
never really warm enough

January is a weaker month for outdoor sightseeing in Monterey.

What to pack for Monterey in January

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

In January, Monterey sees daytime highs around 55°F and nights near 51°F. Worth packing: a warm layer and rain gear. About 10 days see rain.

a warm layerrain gear

Sea temperature near Monterey in January

The nearest coast averages about 55°F in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in September at about 58°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°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°F)Comfort
Jan55Bracing
Feb55Bracing
Mar55Bracing
Apr54Bracing
May54Bracing
Jun55Bracing
Jul57Bracing
Aug58Bracing
Sep58Bracing
Oct58Bracing
Nov57Bracing
Dec55Bracing

UV index in Monterey in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Monterey peaks around June 23 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 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 highExtremeVery highHighModerateJun 23UV 10Dec 13UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May8Very high
Jun10Extreme
Jul10Extreme
Aug10Very high
Sep6High
Oct5High
Nov2Moderate
Dec2Moderate

Air quality in Monterey 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 Monterey is worst in August — around 17 µg/m³ PM2.5 (moderate), about 2.9× the cleanest month (June, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 1816 µg/m³Jun 186 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb9Good
Mar8Good
Apr7Good
May7Good
Jun6Good
Jul6Good
Aug17Moderate
Sep11Good
Oct10Good
Nov9Good
Dec6Good
Location & terrain

Where is Monterey?

Monterey sits at 36.6°N, 121.9°W, 26 ft above sea level, in United States. The nearest listed city is Pacific Grove, 1.9 mi away.

Topography around Monterey

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

Within 2 miles, the terrain around Monterey has significant variations in elevation — a maximum elevation change of 843 ft around an average of 197 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,805 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 5,883 ft.

The land around Monterey is covered by trees (37%), artificial surfaces (31%) and water (27%) within 2 miles, water (51%) and trees (28%) within 10 miles, and water (35%), trees (29%) and grassland (25%) within 50 miles.

2 miles
843 ft
10 miles
2,805 ft
50 miles
5,883 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Pacific Grove 1.9 mi · Seaside 2.5 mi · Marina 7.5 mi · Salinas 14 mi · Prunedale 17 mi · Watsonville 23 mi · Big Sur 24 mi · Santa Cruz 27 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 Monterey (36.6002°, -121.8947°, elevation 26 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).